1effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch!function() { 2effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3 = { 3effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch version: "3.4.4" 4effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!Date.now) Date.now = function() { 6effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return +new Date(); 7effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_arraySlice = [].slice, d3_array = function(list) { 9effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_arraySlice.call(list); 10effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 11effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window; 12effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 13effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_array(d3_documentElement.childNodes)[0].nodeType; 14effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } catch (e) { 15effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_array = function(list) { 16effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = list.length, array = new Array(i); 17effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i--) array[i] = list[i]; 18effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return array; 19effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 20effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 21effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 22effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_document.createElement("div").style.setProperty("opacity", 0, ""); 23effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } catch (error) { 24effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; 25effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_element_prototype.setAttribute = function(name, value) { 26effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_element_setAttribute.call(this, name, value + ""); 27effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 28effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_element_prototype.setAttributeNS = function(space, local, value) { 29effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_element_setAttributeNS.call(this, space, local, value + ""); 30effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 31effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_style_prototype.setProperty = function(name, value, priority) { 32effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_style_setProperty.call(this, name, value + "", priority); 33effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 34effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 35effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.ascending = d3_ascending; 36effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ascending(a, b) { 37effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; 38effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 39effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.descending = function(a, b) { 40effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; 41effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 42effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.min = function(array, f) { 43effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = array.length, a, b; 44effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 1) { 45effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = array[i]) != null && a <= a)) a = undefined; 46effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = array[i]) != null && a > b) a = b; 47effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 48effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = f.call(array, array[i], i)) != null && a <= a)) a = undefined; 49effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b; 50effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 51effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a; 52effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 53effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.max = function(array, f) { 54effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = array.length, a, b; 55effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 1) { 56effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = array[i]) != null && a <= a)) a = undefined; 57effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = array[i]) != null && b > a) a = b; 58effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 59effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = f.call(array, array[i], i)) != null && a <= a)) a = undefined; 60effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b; 61effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 62effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a; 63effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 64effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.extent = function(array, f) { 65effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = array.length, a, b, c; 66effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 1) { 67effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = c = array[i]) != null && a <= a)) a = c = undefined; 68effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = array[i]) != null) { 69effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (a > b) a = b; 70effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c < b) c = b; 71effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 72effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 73effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n && !((a = c = f.call(array, array[i], i)) != null && a <= a)) a = undefined; 74effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if ((b = f.call(array, array[i], i)) != null) { 75effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (a > b) a = b; 76effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c < b) c = b; 77effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 78effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 79effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ a, c ]; 80effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 81effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.sum = function(array, f) { 82effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = 0, n = array.length, a, i = -1; 83effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 1) { 84effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (!isNaN(a = +array[i])) s += a; 85effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 86effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a; 87effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 88effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s; 89effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 90effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_number(x) { 91effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x != null && !isNaN(x); 92effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 93effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.mean = function(array, f) { 94effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = array.length, a, m = 0, i = -1, j = 0; 95effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 1) { 96effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j; 97effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 98effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j; 99effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return j ? m : undefined; 101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.quantile = function(values, p) { 103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h; 104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return e ? v + e * (values[h] - v) : v; 105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.median = function(array, f) { 107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length > 1) array = array.map(f); 108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch array = array.filter(d3_number); 109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return array.length ? d3.quantile(array.sort(d3_ascending), .5) : undefined; 110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_bisector(compare) { 112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch left: function(a, x, lo, hi) { 114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) lo = 0; 115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 4) hi = a.length; 116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (lo < hi) { 117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var mid = lo + hi >>> 1; 118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid; 119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return lo; 121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch right: function(a, x, lo, hi) { 123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) lo = 0; 124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 4) hi = a.length; 125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (lo < hi) { 126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var mid = lo + hi >>> 1; 127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; 128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return lo; 130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_bisect = d3_bisector(d3_ascending); 134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.bisectLeft = d3_bisect.left; 135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.bisect = d3.bisectRight = d3_bisect.right; 136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.bisector = function(f) { 137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_bisector(f.length === 1 ? function(d, x) { 138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ascending(f(d), x); 139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : f); 140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.shuffle = function(array) { 142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var m = array.length, t, i; 143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (m) { 144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = Math.random() * m-- | 0; 145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = array[m], array[m] = array[i], array[i] = t; 146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return array; 148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.permute = function(array, indexes) { 150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = indexes.length, permutes = new Array(i); 151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i--) permutes[i] = array[indexes[i]]; 152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return permutes; 153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.pairs = function(array) { 155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); 156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; 157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pairs; 158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.zip = function() { 160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(n = arguments.length)) return []; 161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) { 162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) { 163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zip[j] = arguments[j][i]; 164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zips; 167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_zipLength(d) { 169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.length; 170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.transpose = function(matrix) { 172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.zip.apply(d3, matrix); 173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.keys = function(map) { 175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var keys = []; 176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in map) keys.push(key); 177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return keys; 178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.values = function(map) { 180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var values = []; 181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in map) values.push(map[key]); 182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return values; 183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.entries = function(map) { 185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var entries = []; 186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in map) entries.push({ 187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch key: key, 188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: map[key] 189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return entries; 191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.merge = function(arrays) { 193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arrays.length, m, i = -1, j = 0, merged, array; 194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) j += arrays[i].length; 195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch merged = new Array(j); 196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (--n >= 0) { 197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch array = arrays[n]; 198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m = array.length; 199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (--m >= 0) { 200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch merged[--j] = array[m]; 201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return merged; 204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var abs = Math.abs; 206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.range = function(start, stop, step) { 207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) { 208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch step = 1; 209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stop = start; 211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch start = 0; 212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((stop - start) / step === Infinity) throw new Error("infinite range"); 215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var range = [], k = d3_range_integerScale(abs(step)), i = -1, j; 216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch start *= k, stop *= k, step *= k; 217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k); 218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range; 219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_range_integerScale(x) { 221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = 1; 222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (x * k % 1) k *= 10; 223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return k; 224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_class(ctor, properties) { 226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in properties) { 228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Object.defineProperty(ctor.prototype, key, { 229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: properties[key], 230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enumerable: false 231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } catch (e) { 234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ctor.prototype = properties; 235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.map = function(object) { 238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var map = new d3_Map(); 239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (object instanceof d3_Map) object.forEach(function(key, value) { 240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch map.set(key, value); 241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); else for (var key in object) map.set(key, object[key]); 242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return map; 243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Map() {} 245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_class(d3_Map, { 246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch has: d3_map_has, 247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch get: function(key) { 248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this[d3_map_prefix + key]; 249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch set: function(key, value) { 251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this[d3_map_prefix + key] = value; 252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch remove: d3_map_remove, 254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keys: d3_map_keys, 255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values: function() { 256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var values = []; 257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.forEach(function(key, value) { 258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values.push(value); 259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return values; 261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch entries: function() { 263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var entries = []; 264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.forEach(function(key, value) { 265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch entries.push({ 266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch key: key, 267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: value 268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return entries; 271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size: d3_map_size, 273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch empty: d3_map_empty, 274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forEach: function(f) { 275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) f.call(this, key.substring(1), this[key]); 276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_map_prefix = "\x00", d3_map_prefixCode = d3_map_prefix.charCodeAt(0); 279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_map_has(key) { 280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_map_prefix + key in this; 281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_map_remove(key) { 283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch key = d3_map_prefix + key; 284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return key in this && delete this[key]; 285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_map_keys() { 287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var keys = []; 288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.forEach(function(key) { 289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keys.push(key); 290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return keys; 292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_map_size() { 294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var size = 0; 295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) ++size; 296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return size; 297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_map_empty() { 299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var key in this) if (key.charCodeAt(0) === d3_map_prefixCode) return false; 300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.nest = function() { 303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nest = {}, keys = [], sortKeys = [], sortValues, rollup; 304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function map(mapType, array, depth) { 305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array; 306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values; 307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (values = valuesByKey.get(keyValue = key(object = array[i]))) { 309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values.push(object); 310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch valuesByKey.set(keyValue, [ object ]); 312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (mapType) { 315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object = mapType(); 316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setter = function(keyValue, values) { 317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object.set(keyValue, map(mapType, values, depth)); 318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object = {}; 321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setter = function(keyValue, values) { 322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object[keyValue] = map(mapType, values, depth); 323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch valuesByKey.forEach(setter); 326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return object; 327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function entries(map, depth) { 329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (depth >= keys.length) return map; 330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var array = [], sortKey = sortKeys[depth++]; 331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch map.forEach(function(key, keyMap) { 332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch array.push({ 333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch key: key, 334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values: entries(keyMap, depth) 335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sortKey ? array.sort(function(a, b) { 338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sortKey(a.key, b.key); 339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : array; 340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.map = function(array, mapType) { 342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return map(mapType, array, 0); 343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.entries = function(array) { 345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return entries(map(d3.map, array, 0), 0); 346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.key = function(d) { 348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keys.push(d); 349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nest; 350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.sortKeys = function(order) { 352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sortKeys[keys.length - 1] = order; 353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nest; 354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.sortValues = function(order) { 356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sortValues = order; 357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nest; 358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nest.rollup = function(f) { 360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rollup = f; 361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nest; 362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nest; 364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.set = function(array) { 366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var set = new d3_Set(); 367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]); 368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return set; 369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Set() {} 371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_class(d3_Set, { 372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch has: d3_map_has, 373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch add: function(value) { 374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this[d3_map_prefix + value] = true; 375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value; 376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch remove: function(value) { 378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = d3_map_prefix + value; 379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value in this && delete this[value]; 380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values: d3_map_keys, 382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size: d3_map_size, 383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch empty: d3_map_empty, 384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forEach: function(f) { 385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var value in this) if (value.charCodeAt(0) === d3_map_prefixCode) f.call(this, value.substring(1)); 386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.behavior = {}; 389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.rebind = function(target, source) { 390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 1, n = arguments.length, method; 391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]); 392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return target; 393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rebind(target, source, method) { 395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var value = method.apply(source, arguments); 397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value === source ? target : value; 398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_vendorSymbol(object, name) { 401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (name in object) return name; 402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = name.charAt(0).toUpperCase() + name.substring(1); 403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { 404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var prefixName = d3_vendorPrefixes[i] + name; 405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (prefixName in object) return prefixName; 406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; 409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_noop() {} 410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.dispatch = function() { 411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dispatch = new d3_dispatch(), i = -1, n = arguments.length; 412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); 413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dispatch; 414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_dispatch() {} 416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_dispatch.prototype.on = function(type, listener) { 417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = type.indexOf("."), name = ""; 418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i >= 0) { 419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = type.substring(i + 1); 420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = type.substring(0, i); 421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener); 423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 2) { 424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (listener == null) for (type in this) { 425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (this.hasOwnProperty(type)) this[type].on(name, null); 426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_dispatch_event(dispatch) { 431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var listeners = [], listenerByName = new d3_Map(); 432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function event() { 433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var z = listeners, i = -1, n = z.length, l; 434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (l = z[i].on) l.apply(this, arguments); 435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dispatch; 436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event.on = function(name, listener) { 438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = listenerByName.get(name), i; 439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) return l && l.on; 440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l) { 441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l.on = null; 442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1)); 443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listenerByName.remove(name); 444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (listener) listeners.push(listenerByName.set(name, { 446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch on: listener 447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })); 448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dispatch; 449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return event; 451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = null; 453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_eventPreventDefault() { 454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event.preventDefault(); 455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_eventSource() { 457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var e = d3.event, s; 458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (s = e.sourceEvent) e = s; 459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return e; 460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_eventDispatch(target) { 462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dispatch = new d3_dispatch(), i = 0, n = arguments.length; 463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch); 464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.of = function(thiz, argumentz) { 465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(e1) { 466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var e0 = e1.sourceEvent = d3.event; 468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e1.target = target; 469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = e1; 470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch[e1.type].apply(thiz, argumentz); 471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = e0; 473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dispatch; 477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.requote = function(s) { 479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s.replace(d3_requote_re, "\\$&"); 480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; 482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_subclass = {}.__proto__ ? function(object, prototype) { 483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object.__proto__ = prototype; 484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(object, prototype) { 485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var property in prototype) object[property] = prototype[property]; 486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection(groups) { 488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_subclass(groups, d3_selectionPrototype); 489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return groups; 490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_select = function(s, n) { 492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n.querySelector(s); 493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, d3_selectAll = function(s, n) { 494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n.querySelectorAll(s); 495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, d3_selectMatcher = d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) { 496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selectMatcher.call(n, s); 497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof Sizzle === "function") { 499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_select = function(s, n) { 500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Sizzle(s, n)[0] || null; 501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectAll = Sizzle; 503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectMatches = Sizzle.matchesSelector; 504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.selection = function() { 506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selectionRoot; 507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_selectionPrototype = d3.selection.prototype = []; 509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.select = function(selector) { 510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = [], subgroup, subnode, group, node; 511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selector = d3_selection_selector(selector); 512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.parentNode = (group = this[j]).parentNode; 515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = -1, n = group.length; ++i < n; ) { 516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(subnode = selector.call(node, node.__data__, i, j)); 518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (subnode && "__data__" in node) subnode.__data__ = node.__data__; 519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(null); 521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection(subgroups); 525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_selector(selector) { 527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return typeof selector === "function" ? selector : function() { 528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_select(selector, this); 529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.selectAll = function(selector) { 532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = [], subgroup, node; 533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selector = d3_selection_selectorAll(selector); 534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = -1, n = group.length; ++i < n; ) { 536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j))); 538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.parentNode = node; 539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection(subgroups); 543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_selectorAll(selector) { 545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return typeof selector === "function" ? selector : function() { 546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selectAll(selector, this); 547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_nsPrefix = { 550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch svg: "http://www.w3.org/2000/svg", 551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhtml: "http://www.w3.org/1999/xhtml", 552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xlink: "http://www.w3.org/1999/xlink", 553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xml: "http://www.w3.org/XML/1998/namespace", 554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xmlns: "http://www.w3.org/2000/xmlns/" 555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.ns = { 557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch prefix: d3_nsPrefix, 558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch qualify: function(name) { 559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = name.indexOf(":"), prefix = name; 560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i >= 0) { 561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch prefix = name.substring(0, i); 562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = name.substring(i + 1); 563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_nsPrefix.hasOwnProperty(prefix) ? { 565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch space: d3_nsPrefix[prefix], 566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local: name 567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : name; 568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.attr = function(name, value) { 571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof name === "string") { 573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var node = this.node(); 574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = d3.ns.qualify(name); 575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name); 576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (value in name) this.each(d3_selection_attr(value, name[value])); 578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_attr(name, value)); 581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_attr(name, value) { 583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = d3.ns.qualify(name); 584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrNull() { 585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeAttribute(name); 586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrNullNS() { 588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeAttributeNS(name.space, name.local); 589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrConstant() { 591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttribute(name, value); 592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrConstantNS() { 594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttributeNS(name.space, name.local, value); 595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrFunction() { 597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = value.apply(this, arguments); 598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x == null) this.removeAttribute(name); else this.setAttribute(name, x); 599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrFunctionNS() { 601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = value.apply(this, arguments); 602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x); 603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant; 605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_collapse(s) { 607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s.trim().replace(/\s+/g, " "); 608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.classed = function(name, value) { 610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof name === "string") { 612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1; 613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value = node.classList) { 614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (!value.contains(name[i])) return false; 615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = node.getAttribute("class"); 617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false; 618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (value in name) this.each(d3_selection_classed(value, name[value])); 622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_classed(name, value)); 625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_classedRe(name) { 627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g"); 628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_classes(name) { 630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return name.trim().split(/^|\s+/); 631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_classed(name, value) { 633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = d3_selection_classes(name).map(d3_selection_classedName); 634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = name.length; 635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function classedConstant() { 636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1; 637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) name[i](this, value); 638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function classedFunction() { 640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, x = value.apply(this, arguments); 641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) name[i](this, x); 642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return typeof value === "function" ? classedFunction : classedConstant; 644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_classedName(name) { 646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var re = d3_selection_classedRe(name); 647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(node, value) { 648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c = node.classList) return value ? c.add(name) : c.remove(name); 649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = node.getAttribute("class") || ""; 650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value) { 651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch re.lastIndex = 0; 652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name)); 653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.setAttribute("class", d3_collapse(c.replace(re, " "))); 655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.style = function(name, value, priority) { 659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 3) { 661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof name !== "string") { 662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) value = ""; 663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (priority in name) this.each(d3_selection_style(priority, name[priority], value)); 664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name); 667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch priority = ""; 668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_style(name, value, priority)); 670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_style(name, value, priority) { 672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleNull() { 673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.style.removeProperty(name); 674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleConstant() { 676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.style.setProperty(name, value, priority); 677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleFunction() { 679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = value.apply(this, arguments); 680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority); 681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant; 683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.property = function(name, value) { 685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof name === "string") return this.node()[name]; 687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (value in name) this.each(d3_selection_property(value, name[value])); 688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_property(name, value)); 691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_property(name, value) { 693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function propertyNull() { 694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete this[name]; 695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function propertyConstant() { 697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this[name] = value; 698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function propertyFunction() { 700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = value.apply(this, arguments); 701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x == null) delete this[name]; else this[name] = x; 702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant; 704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.text = function(value) { 706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? this.each(typeof value === "function" ? function() { 707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = value.apply(this, arguments); 708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.textContent = v == null ? "" : v; 709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : value == null ? function() { 710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.textContent = ""; 711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function() { 712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.textContent = value; 713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : this.node().textContent; 714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.html = function(value) { 7164ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch throw "disallowed by chromium security"; 717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? this.each(typeof value === "function" ? function() { 718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = value.apply(this, arguments); 719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.innerHTML = v == null ? "" : v; 720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : value == null ? function() { 721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.innerHTML = ""; 722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function() { 723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.innerHTML = value; 724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : this.node().innerHTML; 725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.append = function(name) { 727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = d3_selection_creator(name); 728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.select(function() { 729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.appendChild(name.apply(this, arguments)); 730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_creator(name) { 733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() { 734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.ownerDocument.createElementNS(name.space, name.local); 735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function() { 736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.ownerDocument.createElementNS(this.namespaceURI, name); 737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.insert = function(name, before) { 740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = d3_selection_creator(name); 741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch before = d3_selection_selector(before); 742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.select(function() { 743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); 744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.remove = function() { 747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(function() { 748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var parent = this.parentNode; 749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent) parent.removeChild(this); 750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.data = function(value, key) { 753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = this.length, group, node; 754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) { 755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = new Array(n = (group = this[0]).length); 756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value[i] = node.__data__; 759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return value; 762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function bind(group, groupData) { 764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData; 765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (key) { 766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue; 767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = -1; ++i < n; ) { 768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keyValue = key.call(node = group[i], node.__data__, i); 769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (nodeByKeyValue.has(keyValue)) { 770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch exitNodes[i] = node; 771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeByKeyValue.set(keyValue, node); 773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keyValues.push(keyValue); 775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = -1; ++i < m; ) { 777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch keyValue = key.call(groupData, nodeData = groupData[i], i); 778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = nodeByKeyValue.get(keyValue)) { 779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch updateNodes[i] = node; 780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__data__ = nodeData; 781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (!dataByKeyValue.has(keyValue)) { 782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enterNodes[i] = d3_selection_dataNode(nodeData); 783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dataByKeyValue.set(keyValue, nodeData); 785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeByKeyValue.remove(keyValue); 786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = -1; ++i < n; ) { 788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (nodeByKeyValue.has(keyValues[i])) { 789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch exitNodes[i] = group[i]; 790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = -1; ++i < n0; ) { 794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = group[i]; 795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeData = groupData[i]; 796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node) { 797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__data__ = nodeData; 798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch updateNodes[i] = node; 799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enterNodes[i] = d3_selection_dataNode(nodeData); 801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < m; ++i) { 804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enterNodes[i] = d3_selection_dataNode(groupData[i]); 805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < n; ++i) { 807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch exitNodes[i] = group[i]; 808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enterNodes.update = updateNodes; 811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode; 812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch enter.push(enterNodes); 813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch update.push(updateNodes); 814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch exit.push(exitNodes); 815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]); 817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof value === "function") { 818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bind(group = this[i], value.call(group, group.parentNode.__data__, i)); 820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bind(group = this[i], value); 824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch update.enter = function() { 827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return enter; 828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch update.exit = function() { 830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return exit; 831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return update; 833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_dataNode(data) { 835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch __data__: data 837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.datum = function(value) { 840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? this.property("__data__", value) : this.property("__data__"); 841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.filter = function(filter) { 843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = [], subgroup, group, node; 844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof filter !== "function") filter = d3_selection_filter(filter); 845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 0, m = this.length; j < m; j++) { 846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.parentNode = (group = this[j]).parentNode; 848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = group.length; i < n; i++) { 849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { 850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(node); 851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection(subgroups); 855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_filter(selector) { 857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selectMatches(this, selector); 859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.order = function() { 862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) { 864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); 866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next = node; 867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.sort = function(comparator) { 873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch comparator = d3_selection_sortComparator.apply(this, arguments); 874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator); 875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.order(); 876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_sortComparator(comparator) { 878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) comparator = d3_ascending; 879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(a, b) { 880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a && b ? comparator(a.__data__, b.__data__) : !a - !b; 881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.each = function(callback) { 884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(this, function(node, i, j) { 885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch callback.call(node, node.__data__, i, j); 886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_each(groups, callback) { 889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 0, m = groups.length; j < m; j++) { 890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) { 891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) callback(node, i, j); 892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return groups; 895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.call = function(callback) { 897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var args = d3_array(arguments); 898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch callback.apply(args[0] = this, args); 899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.empty = function() { 902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !this.node(); 903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.node = function() { 905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 0, m = this.length; j < m; j++) { 906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = 0, n = group.length; i < n; i++) { 907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var node = group[i]; 908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node) return node; 909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return null; 912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.size = function() { 914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = 0; 915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.each(function() { 916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++n; 917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n; 919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_enter(selection) { 921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_subclass(selection, d3_selection_enterPrototype); 922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return selection; 923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_selection_enterPrototype = []; 925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.selection.enter = d3_selection_enter; 926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.selection.enter.prototype = d3_selection_enterPrototype; 927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.append = d3_selectionPrototype.append; 928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.empty = d3_selectionPrototype.empty; 929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.node = d3_selectionPrototype.node; 930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.call = d3_selectionPrototype.call; 931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.size = d3_selectionPrototype.size; 932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.select = function(selector) { 933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = [], subgroup, subnode, upgroup, group, node; 934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch upgroup = (group = this[j]).update; 936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.parentNode = group.parentNode; 938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = -1, n = group.length; ++i < n; ) { 939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j)); 941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subnode.__data__ = node.__data__; 942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(null); 944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection(subgroups); 948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_enterPrototype.insert = function(name, before) { 950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); 951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selectionPrototype.insert.call(this, name, before); 952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_enterInsertBefore(enter) { 954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i0, j0; 955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(d, i, j) { 956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var group = enter[j].update, n = group.length, node; 957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (j != j0) j0 = j, i0 = 0; 958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i >= i0) i0 = i + 1; 959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (!(node = group[i0]) && ++i0 < n) ; 960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return node; 961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.transition = function() { 964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = d3_transitionInherit || { 965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch time: Date.now(), 966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ease: d3_ease_cubicInOut, 967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delay: 0, 968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch duration: 250 969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = -1, n = group.length; ++i < n; ) { 973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) d3_transitionNode(node, i, id, transition); 974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(node); 975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition(subgroups, id); 978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.interrupt = function() { 980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_interrupt); 981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_interrupt() { 983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lock = this.__transition__; 984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lock) ++lock.active; 985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.select = function(node) { 987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ]; 988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch group.parentNode = d3_documentElement; 989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection([ group ]); 990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.selectAll = function(nodes) { 992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes); 993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch group.parentNode = d3_documentElement; 994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection([ group ]); 995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_selectionRoot = d3.select(d3_documentElement); 997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selectionPrototype.on = function(type, listener, capture) { 998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 3) { 1000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof type !== "string") { 1001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) listener = false; 1002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (capture in type) this.each(d3_selection_on(capture, type[capture], listener)); 1003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 1004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) return (n = this.node()["__on" + type]) && n._; 1006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch capture = false; 1007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each(d3_selection_on(type, listener, capture)); 1009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_on(type, listener, capture) { 1011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener; 1012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i > 0) type = type.substring(0, i); 1013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var filter = d3_selection_onFilters.get(type); 1014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (filter) type = filter, wrap = d3_selection_onFilter; 1015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function onRemove() { 1016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = this[name]; 1017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l) { 1018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeEventListener(type, l, l.$); 1019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete this[name]; 1020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function onAdd() { 1023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = wrap(listener, d3_array(arguments)); 1024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch onRemove.call(this); 1025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.addEventListener(type, this[name] = l, l.$ = capture); 1026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l._ = listener; 1027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function removeAll() { 1029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match; 1030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var name in this) { 1031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (match = name.match(re)) { 1032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = this[name]; 1033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeEventListener(match[1], l, l.$); 1034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete this[name]; 1035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll; 1039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_selection_onFilters = d3.map({ 1041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mouseenter: "mouseover", 1042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mouseleave: "mouseout" 1043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_onFilters.forEach(function(k) { 1045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ("on" + k in d3_document) d3_selection_onFilters.remove(k); 1046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_onListener(listener, argumentz) { 1048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(e) { 1049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var o = d3.event; 1050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = e; 1051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch argumentz[0] = this.__data__; 1052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 1053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.apply(this, argumentz); 1054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 1055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = o; 1056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_selection_onFilter(listener, argumentz) { 1060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = d3_selection_onListener(listener, argumentz); 1061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(e) { 1062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var target = this, related = e.relatedTarget; 1063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) { 1064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l.call(target, e); 1065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0; 1069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_event_dragSuppress() { 1070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); 1071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_event_dragSelect) { 1072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var style = d3_documentElement.style, select = style[d3_event_dragSelect]; 1073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch style[d3_event_dragSelect] = "none"; 1074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(suppressClick) { 1076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on(name, null); 1077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_event_dragSelect) style[d3_event_dragSelect] = select; 1078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (suppressClick) { 1079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function off() { 1080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on(click, null); 1081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on(click, function() { 1083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_eventPreventDefault(); 1084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch off(); 1085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, true); 1086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setTimeout(off, 0); 1087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.mouse = function(container) { 1091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_mousePoint(container, d3_eventSource()); 1092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_mousePoint(container, e) { 1094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (e.changedTouches) e = e.changedTouches[0]; 1095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var svg = container.ownerSVGElement || container; 1096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (svg.createSVGPoint) { 1097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = svg.createSVGPoint(); 1098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point.x = e.clientX, point.y = e.clientY; 1099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = point.matrixTransform(container.getScreenCTM().inverse()); 1100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ point.x, point.y ]; 1101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rect = container.getBoundingClientRect(); 1103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ]; 1104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.touches = function(container, touches) { 1106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) touches = d3_eventSource().touches; 1107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return touches ? d3_array(touches).map(function(touch) { 1108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = d3_mousePoint(container, touch); 1109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point.identifier = touch.identifier; 1110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return point; 1111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : []; 1112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.behavior.drag = function() { 1114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend"); 1115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function drag() { 1116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); 1117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function dragstart(id, position, subject, move, end) { 1119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 1120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId); 1121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (origin) { 1122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragOffset = origin.apply(that, arguments); 1123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; 1124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 1125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragOffset = [ 0, 0 ]; 1126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "dragstart" 1129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function moved() { 1131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var position1 = position(parent, dragId), dx, dy; 1132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!position1) return; 1133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = position1[0] - position0[0]; 1134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dy = position1[1] - position0[1]; 1135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragged |= dx | dy; 1136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position0 = position1; 1137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "drag", 1139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: position1[0] + dragOffset[0], 1140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: position1[1] + dragOffset[1], 1141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx: dx, 1142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dy: dy 1143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ended() { 1146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!position(parent, dragId)) return; 1147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragSubject.on(move + dragName, null).on(end + dragName, null); 1148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragRestore(dragged && d3.event.target === target); 1149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "dragend" 1151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch drag.origin = function(x) { 1156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return origin; 1157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin = x; 1158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return drag; 1159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.rebind(drag, event, "on"); 1161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_behavior_dragTouchId() { 1163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.event.changedTouches[0].identifier; 1164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_behavior_dragTouchSubject() { 1166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.event.target; 1167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_behavior_dragMouseSubject() { 1169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_window; 1170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var π = Math.PI, τ = 2 * π, halfπ = π / 2, ε = 1e-6, ε2 = ε * ε, d3_radians = π / 180, d3_degrees = 180 / π; 1172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_sgn(x) { 1173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x > 0 ? 1 : x < 0 ? -1 : 0; 1174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_cross2d(a, b, c) { 1176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); 1177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_acos(x) { 1179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x > 1 ? 0 : x < -1 ? π : Math.acos(x); 1180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_asin(x) { 1182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); 1183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_sinh(x) { 1185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ((x = Math.exp(x)) - 1 / x) / 2; 1186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_cosh(x) { 1188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ((x = Math.exp(x)) + 1 / x) / 2; 1189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_tanh(x) { 1191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ((x = Math.exp(2 * x)) - 1) / (x + 1); 1192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_haversin(x) { 1194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (x = Math.sin(x / 2)) * x; 1195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; 1197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateZoom = function(p0, p1) { 1198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2]; 1199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ; 1200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function interpolate(t) { 1201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = t * S; 1202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dr) { 1203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); 1204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; 1205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ]; 1207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate.duration = S * 1e3; 1209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return interpolate; 1210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.behavior.zoom = function() { 1212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var view = { 1213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: 0, 1214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: 0, 1215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: 1 1216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, translate0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; 1217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function zoom(g) { 1218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on(mousemove, mousewheelreset).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); 1219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.event = function(g) { 1221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.each(function() { 1222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dispatch = event.of(this, arguments), view1 = view; 1223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_transitionInheritId) { 1224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.select(this).transition().each("start.zoom", function() { 1225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view = this.__chart__ || { 1226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: 0, 1227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: 0, 1228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: 1 1229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).tween("zoom:zoom", function() { 1232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = size[0], dy = size[1], cx = dx / 2, cy = dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); 1233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 1234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = i(t), k = dx / l[2]; 1235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.__chart__ = view = { 1236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: cx - l[0] * k, 1237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: cy - l[1] * k, 1238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: k 1239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).each("end.zoom", function() { 1243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 1246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.__chart__ = view; 1247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.translate = function(_) { 1254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ view.x, view.y ]; 1255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view = { 1256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: +_[0], 1257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: +_[1], 1258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: view.k 1259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rescale(); 1261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.scale = function(_) { 1264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return view.k; 1265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view = { 1266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: view.x, 1267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: view.y, 1268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: +_ 1269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rescale(); 1271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.scaleExtent = function(_) { 1274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return scaleExtent; 1275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; 1276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.center = function(_) { 1279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return center; 1280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch center = _ && [ +_[0], +_[1] ]; 1281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.size = function(_) { 1284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 1285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = _ && [ +_[0], +_[1] ]; 1286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.x = function(z) { 1289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x1; 1290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x1 = z; 1291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = z.copy(); 1292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view = { 1293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: 0, 1294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: 0, 1295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: 1 1296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoom.y = function(z) { 1300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y1; 1301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y1 = z; 1302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = z.copy(); 1303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view = { 1304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: 0, 1305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: 0, 1306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k: 1 1307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zoom; 1309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function location(p) { 1311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; 1312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(l) { 1314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; 1315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scaleTo(s) { 1317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); 1318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function translateTo(p, l) { 1320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l = point(l); 1321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view.x += p[0] - l[0]; 1322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch view.y += p[1] - l[1]; 1323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function rescale() { 1325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1) x1.domain(x0.range().map(function(x) { 1326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (x - view.x) / view.k; 1327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).map(x0.invert)); 1328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y1) y1.domain(y0.range().map(function(y) { 1329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (y - view.y) / view.k; 1330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).map(y0.invert)); 1331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function zoomstarted(dispatch) { 1333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "zoomstart" 1335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function zoomed(dispatch) { 1338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rescale(); 1339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "zoom", 1341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale: view.k, 1342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translate: [ view.x, view.y ] 1343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function zoomended(dispatch) { 1346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch({ 1347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "zoomend" 1348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function mousedowned() { 1351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(); 1352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_interrupt.call(that); 1353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function moved() { 1355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragged = 1; 1356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translateTo(d3.mouse(that), location0); 1357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ended() { 1360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.on(mousemove, d3_window === that ? mousewheelreset : null).on(mouseup, null); 1361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragRestore(dragged && d3.event.target === target); 1362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function touchstarted() { 1366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, target = d3.select(d3.event.target).on(touchmove, moved).on(touchend, ended), subject = d3.select(that).on(mousedown, null).on(touchstart, started), dragRestore = d3_event_dragSuppress(); 1367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_interrupt.call(that); 1368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch started(); 1369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function relocate() { 1371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var touches = d3.touches(that); 1372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale0 = view.k; 1373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch touches.forEach(function(t) { 1374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t.identifier in locations0) locations0[t.identifier] = location(t); 1375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return touches; 1377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function started() { 1379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var changed = d3.event.changedTouches; 1380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = changed.length; i < n; ++i) { 1381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch locations0[changed[i].identifier] = null; 1382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var touches = relocate(), now = Date.now(); 1384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (touches.length === 1) { 1385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (now - touchtime < 500) { 1386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = touches[0], l = locations0[p.identifier]; 1387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scaleTo(view.k * 2); 1388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translateTo(p, l); 1389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_eventPreventDefault(); 1390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch touchtime = now; 1393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (touches.length > 1) { 1394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; 1395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch distance0 = dx * dx + dy * dy; 1396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function moved() { 1399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var touches = d3.touches(that), p0, l0, p1, l1; 1400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { 1401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p1 = touches[i]; 1402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l1 = locations0[p1.identifier]) { 1403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l0) break; 1404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = p1, l0 = l1; 1405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l1) { 1408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); 1409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; 1410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; 1411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scaleTo(scale1 * scale0); 1412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch touchtime = null; 1414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translateTo(p0, l0); 1415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ended() { 1418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3.event.touches.length) { 1419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var changed = d3.event.changedTouches; 1420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = changed.length; i < n; ++i) { 1421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete locations0[changed[i].identifier]; 1422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var identifier in locations0) { 1424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return void relocate(); 1425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target.on(zoomName, null); 1428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.on(mousedown, mousedowned).on(touchstart, touchstarted); 1429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragRestore(); 1430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function mousewheeled() { 1434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dispatch = event.of(this, arguments); 1435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 1436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mousewheelTimer = setTimeout(function() { 1438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mousewheelTimer = null; 1439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 50); 1441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_eventPreventDefault(); 1442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = center || d3.mouse(this); 1443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!translate0) translate0 = location(point); 1444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); 1445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translateTo(point, translate0); 1446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function mousewheelreset() { 1449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translate0 = null; 1450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function dblclicked() { 1452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dispatch = event.of(this, arguments), p = d3.mouse(this), l = location(p), k = Math.log(view.k) / Math.LN2; 1453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomstarted(dispatch); 1454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1)); 1455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch translateTo(p, l); 1456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomed(dispatch); 1457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zoomended(dispatch); 1458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.rebind(zoom, event, "on"); 1460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_behavior_zoomInfinity = [ 0, Infinity ]; 1462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { 1463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); 1464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { 1465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.event.wheelDelta; 1466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, "mousewheel") : (d3_behavior_zoomDelta = function() { 1467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -d3.event.detail; 1468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, "MozMousePixelScroll"); 1469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Color() {} 1470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_Color.prototype.toString = function() { 1471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.rgb() + ""; 1472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.hsl = function(h, s, l) { 1474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l); 1475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_hsl(h, s, l) { 1477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_Hsl(h, s, l); 1478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Hsl(h, s, l) { 1480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.h = h; 1481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.s = s; 1482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.l = l; 1483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_hslPrototype = d3_Hsl.prototype = new d3_Color(); 1485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hslPrototype.brighter = function(k) { 1486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = Math.pow(.7, arguments.length ? k : 1); 1487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hsl(this.h, this.s, this.l / k); 1488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hslPrototype.darker = function(k) { 1490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = Math.pow(.7, arguments.length ? k : 1); 1491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hsl(this.h, this.s, k * this.l); 1492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hslPrototype.rgb = function() { 1494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hsl_rgb(this.h, this.s, this.l); 1495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_hsl_rgb(h, s, l) { 1497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var m1, m2; 1498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; 1499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s; 1500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l = l < 0 ? 0 : l > 1 ? 1 : l; 1501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m2 = l <= .5 ? l * (1 + s) : l + s - l * s; 1502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m1 = 2 * l - m2; 1503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function v(h) { 1504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (h > 360) h -= 360; else if (h < 0) h += 360; 1505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (h < 60) return m1 + (m2 - m1) * h / 60; 1506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (h < 180) return m2; 1507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60; 1508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return m1; 1509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function vv(h) { 1511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.round(v(h) * 255); 1512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb(vv(h + 120), vv(h), vv(h - 120)); 1514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.hcl = function(h, c, l) { 1516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length === 1 ? h instanceof d3_Hcl ? d3_hcl(h.h, h.c, h.l) : h instanceof d3_Lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : d3_hcl(+h, +c, +l); 1517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_hcl(h, c, l) { 1519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_Hcl(h, c, l); 1520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Hcl(h, c, l) { 1522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.h = h; 1523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.c = c; 1524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.l = l; 1525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_hclPrototype = d3_Hcl.prototype = new d3_Color(); 1527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hclPrototype.brighter = function(k) { 1528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); 1529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hclPrototype.darker = function(k) { 1531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1))); 1532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_hclPrototype.rgb = function() { 1534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hcl_lab(this.h, this.c, this.l).rgb(); 1535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_hcl_lab(h, c, l) { 1537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(h)) h = 0; 1538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(c)) c = 0; 1539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); 1540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.lab = function(l, a, b) { 1542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b); 1543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_lab(l, a, b) { 1545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_Lab(l, a, b); 1546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Lab(l, a, b) { 1548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.l = l; 1549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.a = a; 1550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.b = b; 1551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_lab_K = 18; 1553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883; 1554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_labPrototype = d3_Lab.prototype = new d3_Color(); 1555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_labPrototype.brighter = function(k) { 1556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); 1557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_labPrototype.darker = function(k) { 1559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); 1560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_labPrototype.rgb = function() { 1562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab_rgb(this.l, this.a, this.b); 1563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_lab_rgb(l, a, b) { 1565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200; 1566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = d3_lab_xyz(x) * d3_lab_X; 1567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = d3_lab_xyz(y) * d3_lab_Y; 1568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch z = d3_lab_xyz(z) * d3_lab_Z; 1569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z)); 1570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_lab_hcl(l, a, b) { 1572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return l > 0 ? d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : d3_hcl(NaN, NaN, l); 1573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_lab_xyz(x) { 1575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037; 1576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_xyz_lab(x) { 1578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29; 1579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_xyz_rgb(r) { 1581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055)); 1582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.rgb = function(r, g, b) { 1584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b); 1585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgbNumber(value) { 1587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb(value >> 16, value >> 8 & 255, value & 255); 1588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgbString(value) { 1590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgbNumber(value) + ""; 1591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb(r, g, b) { 1593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_Rgb(r, g, b); 1594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_Rgb(r, g, b) { 1596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.r = r; 1597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.g = g; 1598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.b = b; 1599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color(); 1601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgbPrototype.brighter = function(k) { 1602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = Math.pow(.7, arguments.length ? k : 1); 1603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = this.r, g = this.g, b = this.b, i = 30; 1604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!r && !g && !b) return d3_rgb(i, i, i); 1605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r && r < i) r = i; 1606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (g && g < i) g = i; 1607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (b && b < i) b = i; 1608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb(Math.min(255, ~~(r / k)), Math.min(255, ~~(g / k)), Math.min(255, ~~(b / k))); 1609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgbPrototype.darker = function(k) { 1611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = Math.pow(.7, arguments.length ? k : 1); 1612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb(~~(k * this.r), ~~(k * this.g), ~~(k * this.b)); 1613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgbPrototype.hsl = function() { 1615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_rgb_hsl(this.r, this.g, this.b); 1616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgbPrototype.toString = function() { 1618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b); 1619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_hex(v) { 1621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16); 1622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_parse(format, rgb, hsl) { 1624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = 0, g = 0, b = 0, m1, m2, color; 1625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m1 = /([a-z]+)\((.*)\)/i.exec(format); 1626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m1) { 1627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m2 = m1[2].split(","); 1628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch switch (m1[1]) { 1629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "hsl": 1630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 1631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100); 1632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 1634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "rgb": 1635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 1636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2])); 1637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b); 1641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.substring(1), 16))) { 1642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (format.length === 4) { 1643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = (color & 3840) >> 4; 1644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = r >> 4 | r; 1645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g = color & 240; 1646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g = g >> 4 | g; 1647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = color & 15; 1648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = b << 4 | b; 1649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (format.length === 7) { 1650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = (color & 16711680) >> 16; 1651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g = (color & 65280) >> 8; 1652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = color & 255; 1653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rgb(r, g, b); 1656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_hsl(r, g, b) { 1658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2; 1659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d) { 1660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = l < .5 ? d / (max + min) : d / (2 - max - min); 1661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4; 1662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch h *= 60; 1663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 1664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch h = NaN; 1665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = l > 0 && l < 1 ? 0 : h; 1666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hsl(h, s, l); 1668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_lab(r, g, b) { 1670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = d3_rgb_xyz(r); 1671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g = d3_rgb_xyz(g); 1672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = d3_rgb_xyz(b); 1673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z); 1674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z)); 1675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_xyz(r) { 1677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4); 1678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_rgb_parseNumber(c) { 1680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var f = parseFloat(c); 1681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f; 1682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_rgb_names = d3.map({ 1684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch aliceblue: 15792383, 1685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch antiquewhite: 16444375, 1686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch aqua: 65535, 1687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch aquamarine: 8388564, 1688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch azure: 15794175, 1689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch beige: 16119260, 1690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bisque: 16770244, 1691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch black: 0, 1692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch blanchedalmond: 16772045, 1693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch blue: 255, 1694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch blueviolet: 9055202, 1695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brown: 10824234, 1696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch burlywood: 14596231, 1697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cadetblue: 6266528, 1698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chartreuse: 8388352, 1699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chocolate: 13789470, 1700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coral: 16744272, 1701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cornflowerblue: 6591981, 1702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cornsilk: 16775388, 1703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch crimson: 14423100, 1704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cyan: 65535, 1705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkblue: 139, 1706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkcyan: 35723, 1707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkgoldenrod: 12092939, 1708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkgray: 11119017, 1709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkgreen: 25600, 1710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkgrey: 11119017, 1711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkkhaki: 12433259, 1712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkmagenta: 9109643, 1713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkolivegreen: 5597999, 1714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkorange: 16747520, 1715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkorchid: 10040012, 1716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkred: 9109504, 1717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darksalmon: 15308410, 1718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkseagreen: 9419919, 1719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkslateblue: 4734347, 1720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkslategray: 3100495, 1721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkslategrey: 3100495, 1722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkturquoise: 52945, 1723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch darkviolet: 9699539, 1724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch deeppink: 16716947, 1725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch deepskyblue: 49151, 1726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dimgray: 6908265, 1727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dimgrey: 6908265, 1728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dodgerblue: 2003199, 1729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch firebrick: 11674146, 1730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floralwhite: 16775920, 1731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forestgreen: 2263842, 1732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch fuchsia: 16711935, 1733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gainsboro: 14474460, 1734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ghostwhite: 16316671, 1735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gold: 16766720, 1736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch goldenrod: 14329120, 1737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gray: 8421504, 1738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch green: 32768, 1739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch greenyellow: 11403055, 1740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grey: 8421504, 1741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch honeydew: 15794160, 1742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hotpink: 16738740, 1743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch indianred: 13458524, 1744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch indigo: 4915330, 1745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ivory: 16777200, 1746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch khaki: 15787660, 1747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lavender: 15132410, 1748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lavenderblush: 16773365, 1749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lawngreen: 8190976, 1750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lemonchiffon: 16775885, 1751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightblue: 11393254, 1752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightcoral: 15761536, 1753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightcyan: 14745599, 1754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightgoldenrodyellow: 16448210, 1755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightgray: 13882323, 1756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightgreen: 9498256, 1757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightgrey: 13882323, 1758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightpink: 16758465, 1759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightsalmon: 16752762, 1760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightseagreen: 2142890, 1761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightskyblue: 8900346, 1762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightslategray: 7833753, 1763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightslategrey: 7833753, 1764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightsteelblue: 11584734, 1765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lightyellow: 16777184, 1766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lime: 65280, 1767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch limegreen: 3329330, 1768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linen: 16445670, 1769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch magenta: 16711935, 1770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch maroon: 8388608, 1771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumaquamarine: 6737322, 1772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumblue: 205, 1773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumorchid: 12211667, 1774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumpurple: 9662683, 1775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumseagreen: 3978097, 1776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumslateblue: 8087790, 1777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumspringgreen: 64154, 1778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumturquoise: 4772300, 1779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mediumvioletred: 13047173, 1780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch midnightblue: 1644912, 1781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mintcream: 16121850, 1782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mistyrose: 16770273, 1783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch moccasin: 16770229, 1784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch navajowhite: 16768685, 1785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch navy: 128, 1786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch oldlace: 16643558, 1787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch olive: 8421376, 1788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch olivedrab: 7048739, 1789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch orange: 16753920, 1790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch orangered: 16729344, 1791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch orchid: 14315734, 1792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch palegoldenrod: 15657130, 1793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch palegreen: 10025880, 1794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch paleturquoise: 11529966, 1795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch palevioletred: 14381203, 1796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch papayawhip: 16773077, 1797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch peachpuff: 16767673, 1798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch peru: 13468991, 1799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pink: 16761035, 1800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch plum: 14524637, 1801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch powderblue: 11591910, 1802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch purple: 8388736, 1803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch red: 16711680, 1804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rosybrown: 12357519, 1805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch royalblue: 4286945, 1806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch saddlebrown: 9127187, 1807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch salmon: 16416882, 1808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sandybrown: 16032864, 1809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch seagreen: 3050327, 1810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch seashell: 16774638, 1811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sienna: 10506797, 1812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch silver: 12632256, 1813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch skyblue: 8900331, 1814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch slateblue: 6970061, 1815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch slategray: 7372944, 1816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch slategrey: 7372944, 1817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch snow: 16775930, 1818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch springgreen: 65407, 1819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch steelblue: 4620980, 1820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tan: 13808780, 1821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch teal: 32896, 1822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch thistle: 14204888, 1823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tomato: 16737095, 1824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch turquoise: 4251856, 1825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch violet: 15631086, 1826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch wheat: 16113331, 1827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch white: 16777215, 1828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch whitesmoke: 16119285, 1829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yellow: 16776960, 1830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yellowgreen: 10145074 1831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgb_names.forEach(function(key, value) { 1833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_rgb_names.set(key, d3_rgbNumber(value)); 1834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_functor(v) { 1836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return typeof v === "function" ? v : function() { 1837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v; 1838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.functor = d3_functor; 1841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_identity(d) { 1842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d; 1843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.xhr = d3_xhrType(d3_identity); 1845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_xhrType(response) { 1846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(url, mimeType, callback) { 1847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 1848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mimeType = null; 1849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_xhr(url, mimeType, response, callback); 1850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_xhr(url, mimeType, response, callback) { 1853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; 1854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); 1855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { 1856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch request.readyState > 3 && respond(); 1857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function respond() { 1859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var status = request.status, result; 1860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!status && request.responseText || status >= 200 && status < 300 || status === 304) { 1861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 1862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch result = response.call(xhr, request); 1863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } catch (e) { 1864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.error.call(xhr, e); 1865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 1866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.load.call(xhr, result); 1868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 1869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.error.call(xhr, request); 1870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch request.onprogress = function(event) { 1873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var o = d3.event; 1874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = event; 1875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 1876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.progress.call(xhr, request); 1877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 1878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.event = o; 1879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.header = function(name, value) { 1882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch name = (name + "").toLowerCase(); 1883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) return headers[name]; 1884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value == null) delete headers[name]; else headers[name] = value + ""; 1885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.mimeType = function(value) { 1888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return mimeType; 1889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mimeType = value == null ? null : value + ""; 1890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.responseType = function(value) { 1893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return responseType; 1894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch responseType = value; 1895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.response = function(value) { 1898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch response = value; 1899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch [ "get", "post" ].forEach(function(method) { 1902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr[method] = function() { 1903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments))); 1904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.send = function(method, data, callback) { 1907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length === 2 && typeof data === "function") callback = data, data = null; 1908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch request.open(method, url, true); 1909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*"; 1910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]); 1911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType); 1912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (responseType != null) request.responseType = responseType; 1913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (callback != null) xhr.on("error", callback).on("load", function(request) { 1914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch callback(null, request); 1915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dispatch.beforesend.call(xhr, request); 1917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch request.send(data == null ? null : data); 1918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.abort = function() { 1921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch request.abort(); 1922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.rebind(xhr, dispatch, "on"); 1925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback)); 1926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_xhr_fixCallback(callback) { 1928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return callback.length === 1 ? function(error, request) { 1929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch callback(error == null ? request : null); 1930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : callback; 1931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.dsv = function(delimiter, mimeType) { 1933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0); 1934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function dsv(url, row, callback) { 1935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) callback = row, row = null; 1936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback); 1937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xhr.row = function(_) { 1938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; 1939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return xhr; 1941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function response(request) { 1943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dsv.parse(request.responseText); 1944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function typedResponse(f) { 1946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(request) { 1947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dsv.parse(request.responseText, f); 1948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dsv.parse = function(text, f) { 1951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var o; 1952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dsv.parseRows(text, function(row, i) { 1953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o) return o(row, i - 1); 1954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = new Function("d", "return {" + row.map(function(name, i) { 1955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return JSON.stringify(name) + ": d[" + i + "]"; 1956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).join(",") + "}"); 1957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = f ? function(row, i) { 1958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f(a(row), i); 1959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : a; 1960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 1961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 1962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dsv.parseRows = function(text, f) { 1963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol; 1964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function token() { 1965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (I >= N) return EOF; 1966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (eol) return eol = false, EOL; 1967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var j = I; 1968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (text.charCodeAt(j) === 34) { 1969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = j; 1970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i++ < N) { 1971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (text.charCodeAt(i) === 34) { 1972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (text.charCodeAt(i + 1) !== 34) break; 1973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++i; 1974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch I = i + 2; 1977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = text.charCodeAt(i + 1); 1978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c === 13) { 1979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch eol = true; 1980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (text.charCodeAt(i + 2) === 10) ++I; 1981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (c === 10) { 1982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch eol = true; 1983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return text.substring(j + 1, i).replace(/""/g, '"'); 1985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (I < N) { 1987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = text.charCodeAt(I++), k = 1; 1988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c === 10) eol = true; else if (c === 13) { 1989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch eol = true; 1990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (text.charCodeAt(I) === 10) ++I, ++k; 1991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (c !== delimiterCode) continue; 1992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return text.substring(j, I - k); 1993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return text.substring(j); 1995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 1996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while ((t = token()) !== EOF) { 1997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = []; 1998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (t !== EOL && t !== EOF) { 1999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.push(t); 2000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = token(); 2001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (f && !(a = f(a, n++))) continue; 2003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rows.push(a); 2004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rows; 2006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dsv.format = function(rows) { 2008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (Array.isArray(rows[0])) return dsv.formatRows(rows); 2009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var fieldSet = new d3_Set(), fields = []; 2010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rows.forEach(function(row) { 2011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var field in row) { 2012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!fieldSet.has(field)) { 2013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch fields.push(fieldSet.add(field)); 2014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { 2018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return fields.map(function(field) { 2019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return formatValue(row[field]); 2020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).join(delimiter); 2021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })).join("\n"); 2022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dsv.formatRows = function(rows) { 2024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rows.map(formatRow).join("\n"); 2025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function formatRow(row) { 2027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return row.map(formatValue).join(delimiter); 2028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function formatValue(text) { 2030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; 2031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return dsv; 2033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.csv = d3.dsv(",", "text/csv"); 2035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.tsv = d3.dsv(" ", "text/tab-separated-values"); 2036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.touch = function(container, touches, identifier) { 2037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; 2038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { 2039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((touch = touches[i]).identifier === identifier) { 2040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_mousePoint(container, touch); 2041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) { 2045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setTimeout(callback, 17); 2046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.timer = function(callback, delay, then) { 2048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 2049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) delay = 0; 2050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 3) then = Date.now(); 2051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var time = then + delay, timer = { 2052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c: callback, 2053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: time, 2054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch f: false, 2055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n: null 2056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; 2058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_queueTail = timer; 2059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!d3_timer_interval) { 2060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_timeout = clearTimeout(d3_timer_timeout); 2061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_interval = 1; 2062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_frame(d3_timer_step); 2063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_timer_step() { 2066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var now = d3_timer_mark(), delay = d3_timer_sweep() - now; 2067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (delay > 24) { 2068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isFinite(delay)) { 2069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clearTimeout(d3_timer_timeout); 2070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_timeout = setTimeout(d3_timer_step, delay); 2071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_interval = 0; 2073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_interval = 1; 2075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_frame(d3_timer_step); 2076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.timer.flush = function() { 2079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_mark(); 2080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_sweep(); 2081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_timer_mark() { 2083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var now = Date.now(); 2084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_active = d3_timer_queueHead; 2085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (d3_timer_active) { 2086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t); 2087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_active = d3_timer_active.n; 2088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return now; 2090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_timer_sweep() { 2092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t0, t1 = d3_timer_queueHead, time = Infinity; 2093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (t1) { 2094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t1.f) { 2095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; 2096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t1.t < time) time = t1.t; 2098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t1 = (t0 = t1).n; 2099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_timer_queueTail = t0; 2102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return time; 2103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_format_precision(x, p) { 2105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); 2106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.round = function(x, n) { 2108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); 2109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix); 2111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.formatPrefix = function(value, precision) { 2112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0; 2113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value) { 2114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value < 0) value *= -1; 2115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (precision) value = d3.round(value, d3_format_precision(value, precision)); 2116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10); 2117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3)); 2118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_formatPrefixes[8 + i / 3]; 2120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_formatPrefix(d, i) { 2122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = Math.pow(10, abs(8 - i) * 3); 2123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 2124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale: i > 8 ? function(d) { 2125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d / k; 2126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(d) { 2127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d * k; 2128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch symbol: d 2130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_locale_numberFormat(locale) { 2133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping ? function(value) { 2134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = value.length, t = [], j = 0, g = locale_grouping[0]; 2135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i > 0 && g > 0) { 2136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t.push(value.substring(i -= g, i + g)); 2137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g = locale_grouping[j = (j + 1) % locale_grouping.length]; 2138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t.reverse().join(locale_thousands); 2140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : d3_identity; 2141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(specifier) { 2142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false; 2143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (precision) precision = +precision.substring(1); 2144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (zfill || fill === "0" && align === "=") { 2145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zfill = fill = "0"; 2146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch align = "="; 2147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (comma) width -= Math.floor((width - 1) / 4); 2148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch switch (type) { 2150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "n": 2151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch comma = true; 2152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = "g"; 2153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 2154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "%": 2156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale = 100; 2157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch suffix = "%"; 2158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = "f"; 2159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 2160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "p": 2162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale = 100; 2163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch suffix = "%"; 2164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = "r"; 2165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 2166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "b": 2168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "o": 2169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "x": 2170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "X": 2171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (symbol === "#") prefix = "0" + type.toLowerCase(); 2172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "c": 2174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "d": 2175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch integer = true; 2176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch precision = 0; 2177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 2178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 2179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "s": 2180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale = -1; 2181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = "r"; 2182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 2183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; 2185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (type == "r" && !precision) type = "g"; 2186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (precision != null) { 2187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); 2188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = d3_format_types.get(type) || d3_format_typeDefault; 2190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var zcomma = zfill && comma; 2191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(value) { 2192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var fullSuffix = suffix; 2193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (integer && value % 1) return ""; 2194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign; 2195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (scale < 0) { 2196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var unit = d3.formatPrefix(value, precision); 2197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = unit.scale(value); 2198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch fullSuffix = unit.symbol + suffix; 2199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value *= scale; 2201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = type(value, precision); 2203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = value.lastIndexOf("."), before = i < 0 ? value : value.substring(0, i), after = i < 0 ? "" : locale_decimal + value.substring(i + 1); 2204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!zfill && comma) before = formatGroup(before); 2205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; 2206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (zcomma) before = formatGroup(padding + before); 2207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch negative += prefix; 2208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = before + after; 2209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; 2210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i; 2214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_format_types = d3.map({ 2215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b: function(x) { 2216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toString(2); 2217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c: function(x) { 2219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return String.fromCharCode(x); 2220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o: function(x) { 2222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toString(8); 2223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: function(x) { 2225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toString(16); 2226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch X: function(x) { 2228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toString(16).toUpperCase(); 2229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g: function(x, p) { 2231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toPrecision(p); 2232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: function(x, p) { 2234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toExponential(p); 2235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch f: function(x, p) { 2237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.toFixed(p); 2238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r: function(x, p) { 2240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p)))); 2241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_format_typeDefault(x) { 2244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x + ""; 2245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time = d3.time = {}, d3_date = Date; 2247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_date_utc() { 2248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); 2249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date_utc.prototype = { 2251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getDate: function() { 2252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCDate(); 2253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getDay: function() { 2255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCDay(); 2256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getFullYear: function() { 2258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCFullYear(); 2259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getHours: function() { 2261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCHours(); 2262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getMilliseconds: function() { 2264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCMilliseconds(); 2265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getMinutes: function() { 2267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCMinutes(); 2268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getMonth: function() { 2270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCMonth(); 2271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getSeconds: function() { 2273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getUTCSeconds(); 2274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getTime: function() { 2276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.getTime(); 2277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch getTimezoneOffset: function() { 2279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 0; 2280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch valueOf: function() { 2282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this._.valueOf(); 2283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setDate: function() { 2285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCDate.apply(this._, arguments); 2286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setDay: function() { 2288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCDay.apply(this._, arguments); 2289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setFullYear: function() { 2291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCFullYear.apply(this._, arguments); 2292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setHours: function() { 2294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCHours.apply(this._, arguments); 2295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setMilliseconds: function() { 2297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); 2298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setMinutes: function() { 2300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCMinutes.apply(this._, arguments); 2301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setMonth: function() { 2303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCMonth.apply(this._, arguments); 2304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setSeconds: function() { 2306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setUTCSeconds.apply(this._, arguments); 2307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch setTime: function() { 2309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_prototype.setTime.apply(this._, arguments); 2310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_prototype = Date.prototype; 2313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_interval(local, step, number) { 2314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function round(date) { 2315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d0 = local(date), d1 = offset(d0, 1); 2316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date - d0 < d1 - date ? d0 : d1; 2317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ceil(date) { 2319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch step(date = local(new d3_date(date - 1)), 1); 2320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 2321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function offset(date, k) { 2323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch step(date = new d3_date(+date), k); 2324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 2325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function range(t0, t1, dt) { 2327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var time = ceil(t0), times = []; 2328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dt > 1) { 2329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (time < t1) { 2330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(number(time) % dt)) times.push(new Date(+time)); 2331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch step(time, 1); 2332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (time < t1) times.push(new Date(+time)), step(time, 1); 2335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return times; 2337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function range_utc(t0, t1, dt) { 2339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 2340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = d3_date_utc; 2341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var utc = new d3_date_utc(); 2342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc._ = t0; 2343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range(utc, t1, dt); 2344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 2345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = Date; 2346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local.floor = local; 2349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local.round = round; 2350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local.ceil = ceil; 2351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local.offset = offset; 2352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch local.range = range; 2353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var utc = local.utc = d3_time_interval_utc(local); 2354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc.floor = utc; 2355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc.round = d3_time_interval_utc(round); 2356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc.ceil = d3_time_interval_utc(ceil); 2357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc.offset = d3_time_interval_utc(offset); 2358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc.range = range_utc; 2359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return local; 2360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_interval_utc(method) { 2362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(date, k) { 2363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 2364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = d3_date_utc; 2365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var utc = new d3_date_utc(); 2366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc._ = date; 2367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return method(utc, k)._; 2368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 2369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = Date; 2370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.year = d3_time_interval(function(date) { 2374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date = d3_time.day(date); 2375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setMonth(0, 1); 2376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 2377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 2378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setFullYear(date.getFullYear() + offset); 2379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 2380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getFullYear(); 2381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.years = d3_time.year.range; 2383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.years.utc = d3_time.year.utc.range; 2384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.day = d3_time_interval(function(date) { 2385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var day = new d3_date(2e3, 0); 2386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate()); 2387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return day; 2388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 2389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setDate(date.getDate() + offset); 2390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 2391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getDate() - 1; 2392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.days = d3_time.day.range; 2394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.days.utc = d3_time.day.utc.range; 2395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.dayOfYear = function(date) { 2396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var year = d3_time.year(date); 2397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5); 2398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { 2400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = 7 - i; 2401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var interval = d3_time[day] = d3_time_interval(function(date) { 2402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7); 2403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 2404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 2405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setDate(date.getDate() + Math.floor(offset) * 7); 2406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 2407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var day = d3_time.year(date).getDay(); 2408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i); 2409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time[day + "s"] = interval.range; 2411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time[day + "s"].utc = interval.utc.range; 2412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time[day + "OfYear"] = function(date) { 2413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var day = d3_time.year(date).getDay(); 2414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7); 2415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.week = d3_time.sunday; 2418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.weeks = d3_time.sunday.range; 2419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.weeks.utc = d3_time.sunday.utc.range; 2420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.weekOfYear = d3_time.sundayOfYear; 2421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_locale_timeFormat(locale) { 2422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; 2423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_format(template) { 2424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = template.length; 2425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function format(date) { 2426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var string = [], i = -1, j = 0, c, p, f; 2427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 2428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (template.charCodeAt(i) === 37) { 2429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch string.push(template.substring(j, i)); 2430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i); 2431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p); 2432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch string.push(c); 2433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j = i + 1; 2434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch string.push(template.substring(j, i)); 2437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return string.join(""); 2438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format.parse = function(string) { 2440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d = { 2441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: 1900, 2442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m: 0, 2443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d: 1, 2444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch H: 0, 2445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch M: 0, 2446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch S: 0, 2447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch L: 0, 2448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Z: null 2449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, i = d3_time_parse(d, template, string, 0); 2450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i != string.length) return null; 2451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ("p" in d) d.H = d.H % 12 + d.p * 12; 2452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); 2453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) { 2454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setFullYear(d.y, 0, 1); 2455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); 2456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else date.setFullYear(d.y, d.m, d.d); 2457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setHours(d.H + Math.floor(d.Z / 100), d.M + d.Z % 100, d.S, d.L); 2458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return localZ ? date._ : date; 2459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format.toString = function() { 2461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return template; 2462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return format; 2464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parse(date, template, string, j) { 2466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c, p, t, i = 0, n = template.length, m = string.length; 2467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i < n) { 2468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (j >= m) return -1; 2469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = template.charCodeAt(i++); 2470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c === 37) { 2471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = template.charAt(i++); 2472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; 2473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!p || (j = p(date, string, j)) < 0) return -1; 2474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (c != string.charCodeAt(j++)) { 2475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -1; 2476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return j; 2479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_format.utc = function(template) { 2481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var local = d3_time_format(template); 2482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function format(date) { 2483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 2484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = d3_date_utc; 2485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var utc = new d3_date(); 2486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch utc._ = date; 2487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return local(utc); 2488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 2489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = Date; 2490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format.parse = function(string) { 2493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch try { 2494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = d3_date_utc; 2495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var date = local.parse(string); 2496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date && date._; 2497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } finally { 2498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_date = Date; 2499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format.toString = local.toString; 2502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return format; 2503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; 2505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); 2506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch locale_periods.forEach(function(p, i) { 2507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_periodLookup.set(p.toLowerCase(), i); 2508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_formats = { 2510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: function(d) { 2511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return locale_shortDays[d.getDay()]; 2512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch A: function(d) { 2514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return locale_days[d.getDay()]; 2515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b: function(d) { 2517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return locale_shortMonths[d.getMonth()]; 2518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch B: function(d) { 2520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return locale_months[d.getMonth()]; 2521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c: d3_time_format(locale_dateTime), 2523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d: function(d, p) { 2524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getDate(), p, 2); 2525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: function(d, p) { 2527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getDate(), p, 2); 2528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch H: function(d, p) { 2530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getHours(), p, 2); 2531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch I: function(d, p) { 2533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getHours() % 12 || 12, p, 2); 2534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j: function(d, p) { 2536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3); 2537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch L: function(d, p) { 2539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getMilliseconds(), p, 3); 2540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m: function(d, p) { 2542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getMonth() + 1, p, 2); 2543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch M: function(d, p) { 2545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getMinutes(), p, 2); 2546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p: function(d) { 2548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return locale_periods[+(d.getHours() >= 12)]; 2549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch S: function(d, p) { 2551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getSeconds(), p, 2); 2552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch U: function(d, p) { 2554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2); 2555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w: function(d) { 2557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getDay(); 2558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch W: function(d, p) { 2560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2); 2561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_time_format(locale_date), 2563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch X: d3_time_format(locale_time), 2564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: function(d, p) { 2565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getFullYear() % 100, p, 2); 2566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Y: function(d, p) { 2568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_formatPad(d.getFullYear() % 1e4, p, 4); 2569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Z: d3_time_zone, 2571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "%": function() { 2572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "%"; 2573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_parsers = { 2576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: d3_time_parseWeekdayAbbrev, 2577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch A: d3_time_parseWeekday, 2578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b: d3_time_parseMonthAbbrev, 2579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch B: d3_time_parseMonth, 2580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c: d3_time_parseLocaleFull, 2581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d: d3_time_parseDay, 2582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: d3_time_parseDay, 2583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch H: d3_time_parseHour24, 2584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch I: d3_time_parseHour24, 2585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j: d3_time_parseDayOfYear, 2586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch L: d3_time_parseMilliseconds, 2587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m: d3_time_parseMonthNumber, 2588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch M: d3_time_parseMinutes, 2589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p: d3_time_parseAmPm, 2590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch S: d3_time_parseSeconds, 2591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch U: d3_time_parseWeekNumberSunday, 2592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w: d3_time_parseWeekdayNumber, 2593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch W: d3_time_parseWeekNumberMonday, 2594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_time_parseLocaleDate, 2595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch X: d3_time_parseLocaleTime, 2596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: d3_time_parseYear, 2597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Y: d3_time_parseFullYear, 2598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Z: d3_time_parseZone, 2599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "%": d3_time_parseLiteralPercent 2600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseWeekdayAbbrev(date, string, i) { 2602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_dayAbbrevRe.lastIndex = 0; 2603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_dayAbbrevRe.exec(string.substring(i)); 2604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; 2605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseWeekday(date, string, i) { 2607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_dayRe.lastIndex = 0; 2608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_dayRe.exec(string.substring(i)); 2609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; 2610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseMonthAbbrev(date, string, i) { 2612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_monthAbbrevRe.lastIndex = 0; 2613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_monthAbbrevRe.exec(string.substring(i)); 2614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; 2615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseMonth(date, string, i) { 2617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_monthRe.lastIndex = 0; 2618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_monthRe.exec(string.substring(i)); 2619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; 2620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseLocaleFull(date, string, i) { 2622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_parse(date, d3_time_formats.c.toString(), string, i); 2623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseLocaleDate(date, string, i) { 2625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_parse(date, d3_time_formats.x.toString(), string, i); 2626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseLocaleTime(date, string, i) { 2628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_parse(date, d3_time_formats.X.toString(), string, i); 2629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseAmPm(date, string, i) { 2631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_periodLookup.get(string.substring(i, i += 2).toLowerCase()); 2632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n == null ? -1 : (date.p = n, i); 2633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_format; 2635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_formatPads = { 2637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "-": "", 2638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch _: " ", 2639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "0": "0" 2640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; 2641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_formatPad(value, fill, width) { 2642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; 2643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); 2644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_formatRe(names) { 2646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i"); 2647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_formatLookup(names) { 2649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var map = new d3_Map(), i = -1, n = names.length; 2650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) map.set(names[i].toLowerCase(), i); 2651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return map; 2652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseWeekdayNumber(date, string, i) { 2654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 1)); 2656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.w = +n[0], i + n[0].length) : -1; 2657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseWeekNumberSunday(date, string, i) { 2659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i)); 2661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.U = +n[0], i + n[0].length) : -1; 2662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseWeekNumberMonday(date, string, i) { 2664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i)); 2666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.W = +n[0], i + n[0].length) : -1; 2667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseFullYear(date, string, i) { 2669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 4)); 2671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.y = +n[0], i + n[0].length) : -1; 2672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseYear(date, string, i) { 2674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; 2677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseZone(date, string, i) { 2679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return /^[+-]\d{4}$/.test(string = string.substring(i, i + 5)) ? (date.Z = +string, 2680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i + 5) : -1; 2681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_expandYear(d) { 2683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d + (d > 68 ? 1900 : 2e3); 2684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseMonthNumber(date, string, i) { 2686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.m = n[0] - 1, i + n[0].length) : -1; 2689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseDay(date, string, i) { 2691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.d = +n[0], i + n[0].length) : -1; 2694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseDayOfYear(date, string, i) { 2696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 3)); 2698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.j = +n[0], i + n[0].length) : -1; 2699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseHour24(date, string, i) { 2701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.H = +n[0], i + n[0].length) : -1; 2704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseMinutes(date, string, i) { 2706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.M = +n[0], i + n[0].length) : -1; 2709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseSeconds(date, string, i) { 2711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 2)); 2713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.S = +n[0], i + n[0].length) : -1; 2714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseMilliseconds(date, string, i) { 2716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_numberRe.lastIndex = 0; 2717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_numberRe.exec(string.substring(i, i + 3)); 2718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? (date.L = +n[0], i + n[0].length) : -1; 2719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_zone(d) { 2721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(abs(z) / 60), zm = abs(z) % 60; 2722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); 2723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_parseLiteralPercent(date, string, i) { 2725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_percentRe.lastIndex = 0; 2726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = d3_time_percentRe.exec(string.substring(i, i + 1)); 2727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return n ? i + n[0].length : -1; 2728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_formatMulti(formats) { 2730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = formats.length, i = -1; 2731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) formats[i][0] = this(formats[i][0]); 2732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(date) { 2733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, f = formats[i]; 2734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (!f[1](date)) f = formats[++i]; 2735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f[0](date); 2736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.locale = function(locale) { 2739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 2740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch numberFormat: d3_locale_numberFormat(locale), 2741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch timeFormat: d3_locale_timeFormat(locale) 2742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_locale_enUS = d3.locale({ 2745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch decimal: ".", 2746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch thousands: ",", 2747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grouping: [ 3 ], 2748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch currency: [ "$", "" ], 2749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dateTime: "%a %b %e %X %Y", 2750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date: "%m/%d/%Y", 2751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch time: "%H:%M:%S", 2752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch periods: [ "AM", "PM" ], 2753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], 2754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], 2755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], 2756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] 2757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 2758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.format = d3_locale_enUS.numberFormat; 2759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo = {}; 2760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_adder() {} 2761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_adder.prototype = { 2762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s: 0, 2763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: 0, 2764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch add: function(y) { 2765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_adderSum(y, this.t, d3_adderTemp); 2766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_adderSum(d3_adderTemp.s, this.s, this); 2767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; 2768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch reset: function() { 2770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.s = this.t = 0; 2771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch valueOf: function() { 2773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.s; 2774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_adderTemp = new d3_adder(); 2777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_adderSum(a, b, o) { 2778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = o.s = a + b, bv = x - a, av = x - bv; 2779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.t = a - av + (b - bv); 2780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream = function(object, listener) { 2782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { 2783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamObjectType[object.type](object, listener); 2784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamGeometry(object, listener); 2786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_streamGeometry(geometry, listener) { 2789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { 2790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamGeometryType[geometry.type](geometry, listener); 2791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_streamObjectType = { 2794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Feature: function(feature, listener) { 2795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamGeometry(feature.geometry, listener); 2796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch FeatureCollection: function(object, listener) { 2798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var features = object.features, i = -1, n = features.length; 2799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); 2800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_streamGeometryType = { 2803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Sphere: function(object, listener) { 2804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.sphere(); 2805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Point: function(object, listener) { 2807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object = object.coordinates; 2808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(object[0], object[1], object[2]); 2809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch MultiPoint: function(object, listener) { 2811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var coordinates = object.coordinates, i = -1, n = coordinates.length; 2812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); 2813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch LineString: function(object, listener) { 2815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamLine(object.coordinates, listener, 0); 2816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch MultiLineString: function(object, listener) { 2818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var coordinates = object.coordinates, i = -1, n = coordinates.length; 2819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0); 2820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Polygon: function(object, listener) { 2822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_streamPolygon(object.coordinates, listener); 2823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch MultiPolygon: function(object, listener) { 2825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var coordinates = object.coordinates, i = -1, n = coordinates.length; 2826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_geo_streamPolygon(coordinates[i], listener); 2827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch GeometryCollection: function(object, listener) { 2829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var geometries = object.geometries, i = -1, n = geometries.length; 2830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_geo_streamGeometry(geometries[i], listener); 2831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_streamLine(coordinates, listener, closed) { 2834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = coordinates.length - closed, coordinate; 2835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 2836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]); 2837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 2838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_streamPolygon(coordinates, listener) { 2840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = coordinates.length; 2841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonStart(); 2842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1); 2843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonEnd(); 2844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.area = function(object) { 2846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaSum = 0; 2847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, d3_geo_area); 2848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_areaSum; 2849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder(); 2851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_area = { 2852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: function() { 2853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaSum += 4 * π; 2854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_noop, 2856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_noop, 2857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_noop, 2858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 2859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaRingSum.reset(); 2860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.lineStart = d3_geo_areaRingStart; 2861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 2863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var area = 2 * d3_geo_areaRingSum; 2864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaSum += area < 0 ? 4 * π + area : area; 2865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop; 2866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_areaRingStart() { 2869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ00, φ00, λ0, cosφ0, sinφ0; 2870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.point = function(λ, φ) { 2871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.point = nextPoint; 2872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 2873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sinφ0 = Math.sin(φ); 2874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(λ, φ) { 2876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 2877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ = φ * d3_radians / 2 + π / 4; 2878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); 2879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaRingSum.add(Math.atan2(v, u)); 2880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; 2881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.lineEnd = function() { 2883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nextPoint(λ00, φ00); 2884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesian(spherical) { 2887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ); 2888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ]; 2889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesianDot(a, b) { 2891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; 2892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesianCross(a, b) { 2894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ]; 2895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesianAdd(a, b) { 2897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[0] += b[0]; 2898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[1] += b[1]; 2899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[2] += b[2]; 2900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesianScale(vector, k) { 2902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ vector[0] * k, vector[1] * k, vector[2] * k ]; 2903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_cartesianNormalize(d) { 2905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); 2906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d[0] /= l; 2907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d[1] /= l; 2908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d[2] /= l; 2909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_spherical(cartesian) { 2911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; 2912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_sphericalEqual(a, b) { 2914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; 2915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.bounds = function() { 2917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; 2918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var bound = { 2919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 2920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: lineStart, 2921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 2922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 2923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.point = ringPoint; 2924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.lineStart = ringStart; 2925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.lineEnd = ringEnd; 2926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dλSum = 0; 2927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.polygonStart(); 2928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 2929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 2930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.polygonEnd(); 2931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.point = point; 2932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.lineStart = lineStart; 2933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.lineEnd = lineEnd; 2934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; 2935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range[0] = λ0, range[1] = λ1; 2936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 2938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(λ, φ) { 2939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranges.push(range = [ λ0 = λ, λ1 = λ ]); 2940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ < φ0) φ0 = φ; 2941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ > φ1) φ1 = φ; 2942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function linePoint(λ, φ) { 2944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); 2945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (p0) { 2946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); 2947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianNormalize(inflection); 2948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch inflection = d3_geo_spherical(inflection); 2949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; 2950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { 2951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var φi = inflection[1] * d3_degrees; 2952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φi > φ1) φ1 = φi; 2953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { 2954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var φi = -inflection[1] * d3_degrees; 2955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φi < φ0) φ0 = φi; 2956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ < φ0) φ0 = φ; 2958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ > φ1) φ1 = φ; 2959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (antimeridian) { 2961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ < λ_) { 2962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; 2963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; 2965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ1 >= λ0) { 2968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ < λ0) λ0 = λ; 2969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ > λ1) λ1 = λ; 2970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ > λ_) { 2972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; 2973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; 2975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 2979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point(λ, φ); 2980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = p, λ_ = λ; 2982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineStart() { 2984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.point = linePoint; 2985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 2987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range[0] = λ0, range[1] = λ1; 2988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound.point = point; 2989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = null; 2990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringPoint(λ, φ) { 2992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (p0) { 2993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dλ = λ - λ_; 2994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; 2995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else λ__ = λ, φ__ = φ; 2996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.point(λ, φ); 2997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linePoint(λ, φ); 2998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 2999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringStart() { 3000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.lineStart(); 3001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringEnd() { 3003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ringPoint(λ__, φ__); 3004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_area.lineEnd(); 3005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(dλSum) > ε) λ0 = -(λ1 = 180); 3006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range[0] = λ0, range[1] = λ1; 3007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = null; 3008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function angle(λ0, λ1) { 3010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; 3011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function compareRanges(a, b) { 3013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a[0] - b[0]; 3014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function withinRange(x, range) { 3016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; 3017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(feature) { 3019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ1 = λ1 = -(λ0 = φ0 = Infinity); 3020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranges = []; 3021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(feature, bound); 3022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = ranges.length; 3023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n) { 3024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranges.sort(compareRanges); 3025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { 3026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = ranges[i]; 3027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (withinRange(b[0], a) || withinRange(b[1], a)) { 3028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; 3029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; 3030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch merged.push(a = b); 3032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var best = -Infinity, dλ; 3035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { 3036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = merged[i]; 3037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; 3038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranges = range = null; 3041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; 3042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }(); 3044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.centroid = function(object) { 3045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; 3046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, d3_geo_centroid); 3047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; 3048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m < ε2) { 3049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; 3050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; 3051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m = x * x + y * y + z * z; 3052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m < ε2) return [ NaN, NaN ]; 3053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; 3055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; 3057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_centroid = { 3058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: d3_noop, 3059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_geo_centroidPoint, 3060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_geo_centroidLineStart, 3061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_geo_centroidLineEnd, 3062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.lineStart = d3_geo_centroidRingStart; 3064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.lineStart = d3_geo_centroidLineStart; 3067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_centroidPoint(λ, φ) { 3070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 3071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ *= d3_radians); 3072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); 3073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_centroidPointXYZ(x, y, z) { 3075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++d3_geo_centroidW0; 3076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; 3077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; 3078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; 3079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_centroidLineStart() { 3081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0, y0, z0; 3082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = function(λ, φ) { 3083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 3084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ *= d3_radians); 3085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = cosφ * Math.cos(λ); 3086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = cosφ * Math.sin(λ); 3087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch z0 = Math.sin(φ); 3088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = nextPoint; 3089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidPointXYZ(x0, y0, z0); 3090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(λ, φ) { 3092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 3093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); 3094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidW1 += w; 3095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX1 += w * (x0 + (x0 = x)); 3096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY1 += w * (y0 + (y0 = y)); 3097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ1 += w * (z0 + (z0 = z)); 3098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidPointXYZ(x0, y0, z0); 3099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_centroidLineEnd() { 3102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = d3_geo_centroidPoint; 3103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_centroidRingStart() { 3105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ00, φ00, x0, y0, z0; 3106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = function(λ, φ) { 3107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ00 = λ, φ00 = φ; 3108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = nextPoint; 3109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 3110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ *= d3_radians); 3111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = cosφ * Math.cos(λ); 3112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = cosφ * Math.sin(λ); 3113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch z0 = Math.sin(φ); 3114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidPointXYZ(x0, y0, z0); 3115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.lineEnd = function() { 3117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nextPoint(λ00, φ00); 3118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; 3119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroid.point = d3_geo_centroidPoint; 3120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(λ, φ) { 3122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ *= d3_radians; 3123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); 3124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX2 += v * cx; 3125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY2 += v * cy; 3126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ2 += v * cz; 3127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidW1 += w; 3128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX1 += w * (x0 + (x0 = x)); 3129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY1 += w * (y0 + (y0 = y)); 3130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ1 += w * (z0 + (z0 = z)); 3131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidPointXYZ(x0, y0, z0); 3132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_true() { 3135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 3136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) { 3138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subject = [], clip = []; 3139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments.forEach(function(segment) { 3140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((n = segment.length - 1) <= 0) return; 3141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n, p0 = segment[0], p1 = segment[n]; 3142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_geo_sphericalEqual(p0, p1)) { 3143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]); 3145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 3147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); 3149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.o = b; 3150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.push(a); 3151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.push(b); 3152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); 3153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = new d3_geo_clipPolygonIntersection(p1, null, a, true); 3154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.o = b; 3155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.push(a); 3156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.push(b); 3157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 3158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.sort(compare); 3159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_clipPolygonLinkCircular(subject); 3160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_clipPolygonLinkCircular(clip); 3161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!subject.length) return; 3162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { 3163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip[i].e = entry = !entry; 3164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var start = subject[0], points, point; 3166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (1) { 3167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var current = start, isSubject = true; 3168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (current.v) if ((current = current.n) === start) return; 3169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points = current.z; 3170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch do { 3172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch current.v = current.o.v = true; 3173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (current.e) { 3174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isSubject) { 3175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); 3176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(current.x, current.n.x, 1, listener); 3178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch current = current.n; 3180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isSubject) { 3182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points = current.p.z; 3183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); 3184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(current.x, current.p.x, -1, listener); 3186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch current = current.p; 3188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch current = current.o; 3190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points = current.z; 3191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch isSubject = !isSubject; 3192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } while (!current.v); 3193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipPolygonLinkCircular(array) { 3197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(n = array.length)) return; 3198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n, i = 0, a = array[0], b; 3199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 3200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.n = b = array[i]; 3201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b.p = a; 3202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = b; 3203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.n = b = array[0]; 3205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b.p = a; 3206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipPolygonIntersection(point, points, other, entry) { 3208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.x = point; 3209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.z = points; 3210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.o = other; 3211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.e = entry; 3212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.v = false; 3213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.n = this.p = null; 3214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { 3216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(rotate, listener) { 3217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); 3218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var clip = { 3219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 3220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: lineStart, 3221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 3222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = pointRing; 3224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.lineStart = ringStart; 3225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.lineEnd = ringEnd; 3226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = []; 3227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygon = []; 3228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonStart(); 3229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = point; 3232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.lineStart = lineStart; 3233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.lineEnd = lineEnd; 3234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = d3.merge(segments); 3235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); 3236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (segments.length) { 3237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); 3238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (clipStartInside) { 3239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(null, null, 1, listener); 3241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonEnd(); 3244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = polygon = null; 3245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: function() { 3247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonStart(); 3248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(null, null, 1, listener); 3250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonEnd(); 3252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(λ, φ) { 3255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = rotate(λ, φ); 3256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); 3257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointLine(λ, φ) { 3259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = rotate(λ, φ); 3260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.point(point[0], point[1]); 3261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineStart() { 3263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = pointLine; 3264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.lineStart(); 3265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 3267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = point; 3268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.lineEnd(); 3269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var segments; 3271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygon, ring; 3272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointRing(λ, φ) { 3273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ring.push([ λ, φ ]); 3274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = rotate(λ, φ); 3275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ringListener.point(point[0], point[1]); 3276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringStart() { 3278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ringListener.lineStart(); 3279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ring = []; 3280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringEnd() { 3282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointRing(ring[0][0], ring[0][1]); 3283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ringListener.lineEnd(); 3284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length; 3285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ring.pop(); 3286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygon.push(ring); 3287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ring = null; 3288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!n) return; 3289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (clean & 1) { 3290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segment = ringSegments[0]; 3291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = segment.length - 1, i = -1, point; 3292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) listener.point((point = segment[i])[0], point[1]); 3294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 3296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); 3298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments.push(ringSegments.filter(d3_geo_clipSegmentLength1)); 3299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return clip; 3301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipSegmentLength1(segment) { 3304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return segment.length > 1; 3305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipBufferListener() { 3307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lines = [], line; 3308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 3309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lines.push(line = []); 3311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(λ, φ) { 3313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.push([ λ, φ ]); 3314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_noop, 3316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer: function() { 3317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var buffer = lines; 3318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lines = []; 3319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line = null; 3320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return buffer; 3321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rejoin: function() { 3323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); 3324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipSort(a, b) { 3328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); 3329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pointInPolygon(point, polygon) { 3331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; 3332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaRingSum.reset(); 3333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0, n = polygon.length; i < n; ++i) { 3334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ring = polygon[i], m = ring.length; 3335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!m) continue; 3336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; 3337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (true) { 3338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (j === m) j = 0; 3339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = ring[j]; 3340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; 3341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); 3342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polarAngle += antimeridian ? dλ + sdλ * τ : dλ; 3343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { 3344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); 3345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianNormalize(arc); 3346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var intersection = d3_geo_cartesianCross(meridianNormal, arc); 3347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianNormalize(intersection); 3348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); 3349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { 3350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch winding += antimeridian ^ dλ >= 0 ? 1 : -1; 3351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!j++) break; 3354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; 3355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1; 3358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); 3360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipAntimeridianLine(listener) { 3361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean; 3362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 3363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 1; 3366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(λ1, φ1) { 3368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0); 3369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(dλ - π) < ε) { 3370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); 3371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(sλ0, φ0); 3372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(sλ1, φ0); 3375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(λ1, φ0); 3376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 0; 3377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (sλ0 !== sλ1 && dλ >= π) { 3378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; 3379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε; 3380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1); 3381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(sλ0, φ0); 3382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(sλ1, φ0); 3385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 0; 3386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(λ0 = λ1, φ0 = φ1); 3388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sλ0 = sλ1; 3389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: function() { 3391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = φ0 = NaN; 3393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean: function() { 3395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 2 - clean; 3396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) { 3400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1); 3401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2; 3402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) { 3404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var φ; 3405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (from == null) { 3406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ = direction * halfπ; 3407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(-π, φ); 3408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(0, φ); 3409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(π, φ); 3410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(π, 0); 3411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(π, -φ); 3412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(0, -φ); 3413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(-π, -φ); 3414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(-π, 0); 3415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(-π, φ); 3416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (abs(from[0] - to[0]) > ε) { 3417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = from[0] < to[0] ? π : -π; 3418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ = direction * s / 2; 3419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(-s, φ); 3420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(0, φ); 3421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(s, φ); 3422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(to[0], to[1]); 3424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipCircle(radius) { 3427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); 3428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); 3429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function visible(λ, φ) { 3430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.cos(λ) * Math.cos(φ) > cr; 3431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function clipLine(listener) { 3433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point0, c0, v0, v00, clean; 3434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 3435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v00 = v0 = false; 3437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 1; 3438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(λ, φ) { 3440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0; 3441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!point0 && (v00 = v0 = v)) listener.lineStart(); 3442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v !== v0) { 3443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point2 = intersect(point0, point1); 3444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) { 3445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point1[0] += ε; 3446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point1[1] += ε; 3447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v = visible(point1[0], point1[1]); 3448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v !== v0) { 3451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 0; 3452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v) { 3453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point2 = intersect(point1, point0); 3455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(point2[0], point2[1]); 3456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point2 = intersect(point0, point1); 3458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(point2[0], point2[1]); 3459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point0 = point2; 3462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (notHemisphere && point0 && smallRadius ^ v) { 3463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t; 3464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(c & c0) && (t = intersect(point1, point0, true))) { 3465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = 0; 3466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (smallRadius) { 3467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(t[0][0], t[0][1]); 3469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(t[1][0], t[1][1]); 3470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(t[1][0], t[1][1]); 3473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(t[0][0], t[0][1]); 3476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) { 3480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(point1[0], point1[1]); 3481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point0 = point1, v0 = v, c0 = c; 3483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: function() { 3485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v0) listener.lineEnd(); 3486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point0 = null; 3487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean: function() { 3489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return clean | (v00 && v0) << 1; 3490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function intersect(a, b, two) { 3494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b); 3495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2; 3496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!determinant) return !two && a; 3497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2); 3498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianAdd(A, B); 3499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1); 3500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t2 < 0) return; 3501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu); 3502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianAdd(q, A); 3503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q = d3_geo_spherical(q); 3504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!two) return q; 3505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z; 3506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z; 3507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε; 3508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z; 3509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) { 3510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var q1 = d3_geo_cartesianScale(u, (-w + t) / uu); 3511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianAdd(q1, A); 3512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ q, d3_geo_spherical(q1) ]; 3513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function code(λ, φ) { 3516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = smallRadius ? radius : π - radius, code = 0; 3517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (λ < -r) code |= 1; else if (λ > r) code |= 2; 3518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ < -r) code |= 4; else if (φ > r) code |= 8; 3519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return code; 3520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_clipLine(x0, y0, x1, y1) { 3523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(line) { 3524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; 3525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = x0 - ax; 3526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dx && r > 0) return; 3527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r /= dx; 3528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dx < 0) { 3529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t0) return; 3530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t1) t1 = r; 3531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (dx > 0) { 3532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t1) return; 3533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t0) t0 = r; 3534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = x1 - ax; 3536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dx && r < 0) return; 3537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r /= dx; 3538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dx < 0) { 3539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t1) return; 3540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t0) t0 = r; 3541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (dx > 0) { 3542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t0) return; 3543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t1) t1 = r; 3544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = y0 - ay; 3546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dy && r > 0) return; 3547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r /= dy; 3548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dy < 0) { 3549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t0) return; 3550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t1) t1 = r; 3551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (dy > 0) { 3552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t1) return; 3553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t0) t0 = r; 3554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = y1 - ay; 3556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dy && r < 0) return; 3557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r /= dy; 3558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dy < 0) { 3559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t1) return; 3560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > t0) t0 = r; 3561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (dy > 0) { 3562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t0) return; 3563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < t1) t1 = r; 3564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t0 > 0) line.a = { 3566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: ax + t0 * dx, 3567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: ay + t0 * dy 3568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t1 < 1) line.b = { 3570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: ax + t1 * dx, 3571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: ay + t1 * dy 3572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 3574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_clipExtentMAX = 1e9; 3577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.clipExtent = function() { 3578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0, y0, x1, y1, stream, clip, clipExtent = { 3579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream: function(output) { 3580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (stream) stream.valid = false; 3581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream = clip(output); 3582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.valid = true; 3583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 3584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent: function(_) { 3586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; 3587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); 3588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (stream) stream.valid = false, stream = null; 3589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return clipExtent; 3590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); 3593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_clipExtent(x0, y0, x1, y1) { 3595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(listener) { 3596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; 3597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var clip = { 3598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 3599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: lineStart, 3600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 3601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener = bufferListener; 3603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = []; 3604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygon = []; 3605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = true; 3606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener = listener_; 3609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = d3.merge(segments); 3610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; 3611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (inside || visible) { 3612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonStart(); 3613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (inside) { 3614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(null, null, 1, listener); 3616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineEnd(); 3617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (visible) { 3619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); 3620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.polygonEnd(); 3622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments = polygon = ring = null; 3624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function insidePolygon(p) { 3627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var wn = 0, n = polygon.length, y = p[1]; 3628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 0; i < n; ++i) { 3629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) { 3630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = v[j]; 3631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (a[1] <= y) { 3632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; 3633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; 3635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = b; 3637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return wn !== 0; 3640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function interpolate(from, to, direction, listener) { 3642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = 0, a1 = 0; 3643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) { 3644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch do { 3645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); 3646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } while ((a = (a + direction + 4) % 4) !== a1); 3647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(to[0], to[1]); 3649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointVisible(x, y) { 3652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x0 <= x && x <= x1 && y0 <= y && y <= y1; 3653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(x, y) { 3655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (pointVisible(x, y)) listener.point(x, y); 3656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x__, y__, v__, x_, y_, v_, first, clean; 3658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineStart() { 3659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = linePoint; 3660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (polygon) polygon.push(ring = []); 3661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch first = true; 3662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v_ = false; 3663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x_ = y_ = NaN; 3664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 3666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (segments) { 3667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linePoint(x__, y__); 3668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v__ && v_) bufferListener.rejoin(); 3669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments.push(bufferListener.buffer()); 3670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clip.point = point; 3672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v_) listener.lineEnd(); 3673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function linePoint(x, y) { 3675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); 3676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); 3677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = pointVisible(x, y); 3678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (polygon) ring.push([ x, y ]); 3679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (first) { 3680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x__ = x, y__ = y, v__ = v; 3681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch first = false; 3682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v) { 3683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(x, y); 3685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 3687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v && v_) listener.point(x, y); else { 3688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var l = { 3689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: { 3690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x_, 3691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y_ 3692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b: { 3694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x, 3695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y 3696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (clipLine(l)) { 3699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!v_) { 3700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(l.a.x, l.a.y); 3702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(l.b.x, l.b.y); 3704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!v) listener.lineEnd(); 3705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = false; 3706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (v) { 3707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.lineStart(); 3708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point(x, y); 3709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clean = false; 3710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x_ = x, y_ = y, v_ = v; 3714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return clip; 3716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function corner(p, direction) { 3718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; 3719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function compare(a, b) { 3721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return comparePoints(a.x, b.x); 3722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function comparePoints(a, b) { 3724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ca = corner(a, 1), cb = corner(b, 1); 3725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0]; 3726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_compose(a, b) { 3729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function compose(x, y) { 3730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x = a(x, y), b(x[0], x[1]); 3731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (a.invert && b.invert) compose.invert = function(x, y) { 3733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x = b.invert(x, y), x && a.invert(x[0], x[1]); 3734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return compose; 3736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_conic(projectAt) { 3738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1); 3739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p.parallels = function(_) { 3740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ]; 3741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180); 3742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return p; 3744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_conicEqualArea(φ0, φ1) { 3746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n; 3747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function forward(λ, φ) { 3748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n; 3749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ]; 3750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forward.invert = function(x, y) { 3752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ0_y = ρ0 - y; 3753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ]; 3754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return forward; 3756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.conicEqualArea = function() { 3758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_conic(d3_geo_conicEqualArea); 3759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_conicEqualArea; 3760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.albers = function() { 3761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); 3762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.albersUsa = function() { 3764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lower48 = d3.geo.albers(); 3765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); 3766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); 3767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point, pointStream = { 3768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(x, y) { 3769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = [ x, y ]; 3770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, lower48Point, alaskaPoint, hawaiiPoint; 3772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function albersUsa(coordinates) { 3773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = coordinates[0], y = coordinates[1]; 3774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = null; 3775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); 3776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return point; 3777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch albersUsa.invert = function(coordinates) { 3779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; 3780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); 3781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch albersUsa.stream = function(stream) { 3783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); 3784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 3785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(x, y) { 3786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.point(x, y); 3787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.point(x, y); 3788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.point(x, y); 3789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: function() { 3791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.sphere(); 3792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.sphere(); 3793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.sphere(); 3794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.lineStart(); 3797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.lineStart(); 3798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.lineStart(); 3799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: function() { 3801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.lineEnd(); 3802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.lineEnd(); 3803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.lineEnd(); 3804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.polygonStart(); 3807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.polygonStart(); 3808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.polygonStart(); 3809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Stream.polygonEnd(); 3812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaStream.polygonEnd(); 3813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiStream.polygonEnd(); 3814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch albersUsa.precision = function(_) { 3818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return lower48.precision(); 3819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48.precision(_); 3820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaska.precision(_); 3821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaii.precision(_); 3822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return albersUsa; 3823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch albersUsa.scale = function(_) { 3825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return lower48.scale(); 3826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48.scale(_); 3827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaska.scale(_ * .35); 3828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaii.scale(_); 3829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return albersUsa.translate(lower48.translate()); 3830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch albersUsa.translate = function(_) { 3832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return lower48.translate(); 3833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = lower48.scale(), x = +_[0], y = +_[1]; 3834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; 3835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; 3836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; 3837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return albersUsa; 3838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return albersUsa.scale(1070); 3840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = { 3842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_noop, 3843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_noop, 3844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_noop, 3845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathAreaPolygon = 0; 3847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart; 3848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop; 3851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2); 3852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathAreaRingStart() { 3855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x00, y00, x0, y0; 3856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathArea.point = function(x, y) { 3857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathArea.point = nextPoint; 3858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x00 = x0 = x, y00 = y0 = y; 3859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(x, y) { 3861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathAreaPolygon += y0 * x - x0 * y; 3862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = x, y0 = y; 3863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathArea.lineEnd = function() { 3865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nextPoint(x00, y00); 3866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; 3869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_pathBounds = { 3870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_geo_pathBoundsPoint, 3871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_noop, 3872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_noop, 3873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: d3_noop, 3874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: d3_noop 3875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathBoundsPoint(x, y) { 3877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; 3878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; 3879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; 3880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; 3881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathBuffer() { 3883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = []; 3884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var stream = { 3885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 3886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = pointLineStart; 3888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 3890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd = lineEndPolygon; 3892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd = lineEnd; 3895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = point; 3896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointRadius: function(_) { 3898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointCircle = d3_geo_pathBufferCircle(_); 3899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 3900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch result: function() { 3902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (buffer.length) { 3903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var result = buffer.join(""); 3904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer = []; 3905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return result; 3906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(x, y) { 3910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer.push("M", x, ",", y, pointCircle); 3911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointLineStart(x, y) { 3913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer.push("M", x, ",", y); 3914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = pointLine; 3915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointLine(x, y) { 3917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer.push("L", x, ",", y); 3918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 3920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = point; 3921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEndPolygon() { 3923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch buffer.push("Z"); 3924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 3926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathBufferCircle(radius) { 3928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; 3929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_pathCentroid = { 3931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_geo_pathCentroidPoint, 3932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_geo_pathCentroidLineStart, 3933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_geo_pathCentroidLineEnd, 3934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart; 3936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; 3939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart; 3940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd; 3941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathCentroidPoint(x, y) { 3944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX0 += x; 3945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY0 += y; 3946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++d3_geo_centroidZ0; 3947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathCentroidLineStart() { 3949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0, y0; 3950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = function(x, y) { 3951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = nextPoint; 3952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroidPoint(x0 = x, y0 = y); 3953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(x, y) { 3955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); 3956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX1 += z * (x0 + x) / 2; 3957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY1 += z * (y0 + y) / 2; 3958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ1 += z; 3959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroidPoint(x0 = x, y0 = y); 3960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathCentroidLineEnd() { 3963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; 3964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathCentroidRingStart() { 3966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x00, y00, x0, y0; 3967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = function(x, y) { 3968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.point = nextPoint; 3969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); 3970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(x, y) { 3972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); 3973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX1 += z * (x0 + x) / 2; 3974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY1 += z * (y0 + y) / 2; 3975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ1 += z; 3976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch z = y0 * x - x0 * y; 3977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX2 += z * (x0 + x); 3978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidY2 += z * (y0 + y); 3979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidZ2 += z * 3; 3980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroidPoint(x0 = x, y0 = y); 3981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathCentroid.lineEnd = function() { 3983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nextPoint(x00, y00); 3984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 3985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 3986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathContext(context) { 3987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var pointRadius = 4.5; 3988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var stream = { 3989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 3990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 3991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = pointLineStart; 3992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 3994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 3995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd = lineEndPolygon; 3996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 3997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 3998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd = lineEnd; 3999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = point; 4000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointRadius: function(_) { 4002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointRadius = _; 4003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 4004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch result: d3_noop 4006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(x, y) { 4008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch context.moveTo(x, y); 4009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch context.arc(x, y, pointRadius, 0, τ); 4010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointLineStart(x, y) { 4012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch context.moveTo(x, y); 4013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = pointLine; 4014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pointLine(x, y) { 4016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch context.lineTo(x, y); 4017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 4019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point = point; 4020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEndPolygon() { 4022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch context.closePath(); 4023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 4025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_resample(project) { 4027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; 4028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function resample(stream) { 4029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (maxDepth ? resampleRecursive : resampleNone)(stream); 4030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function resampleNone(stream) { 4032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_transformPoint(stream, function(x, y) { 4033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = project(x, y); 4034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point(x[0], x[1]); 4035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function resampleRecursive(stream) { 4038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; 4039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var resample = { 4040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 4041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: lineStart, 4042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: lineEnd, 4043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 4044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.polygonStart(); 4045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.lineStart = ringStart; 4046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 4048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.polygonEnd(); 4049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.lineStart = lineStart; 4050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function point(x, y) { 4053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = project(x, y); 4054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point(x[0], x[1]); 4055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineStart() { 4057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = NaN; 4058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.point = linePoint; 4059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineStart(); 4060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function linePoint(λ, φ) { 4062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ); 4063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); 4064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point(x0, y0); 4065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lineEnd() { 4067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.point = point; 4068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd(); 4069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringStart() { 4071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart(); 4072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.point = ringPoint; 4073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.lineEnd = ringEnd; 4074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringPoint(λ, φ) { 4076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; 4077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.point = linePoint; 4078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function ringEnd() { 4080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream); 4081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.lineEnd = lineEnd; 4082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd(); 4083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return resample; 4085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) { 4087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy; 4088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d2 > 4 * δ2 && depth--) { 4089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; 4090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { 4091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream); 4092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point(x2, y2); 4093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream); 4094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resample.precision = function(_) { 4098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return Math.sqrt(δ2); 4099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch maxDepth = (δ2 = _ * _) > 0 && 16; 4100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return resample; 4101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return resample; 4103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.path = function() { 4105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; 4106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function path(object) { 4107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (object) { 4108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); 4109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); 4110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, cacheStream); 4111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return contextStream.result(); 4113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.area = function(object) { 4115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathAreaSum = 0; 4116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, projectStream(d3_geo_pathArea)); 4117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_pathAreaSum; 4118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.centroid = function(object) { 4120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; 4121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); 4122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; 4123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.bounds = function(object) { 4125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); 4126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, projectStream(d3_geo_pathBounds)); 4127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; 4128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.projection = function(_) { 4130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return projection; 4131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; 4132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.context = function(_) { 4135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return context; 4136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); 4137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); 4138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.pointRadius = function(_) { 4141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return pointRadius; 4142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); 4143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path; 4144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function reset() { 4146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cacheStream = null; 4147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path; 4148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.projection(d3.geo.albersUsa()).context(null); 4150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_pathProjectStream(project) { 4152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var resample = d3_geo_resample(function(x, y) { 4153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return project([ x * d3_degrees, y * d3_degrees ]); 4154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(stream) { 4156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projectionRadians(resample(stream)); 4157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.transform = function(methods) { 4160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream: function(stream) { 4162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var transform = new d3_geo_transform(stream); 4163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var k in methods) transform[k] = methods[k]; 4164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return transform; 4165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_transform(stream) { 4169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream = stream; 4170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_transform.prototype = { 4172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(x, y) { 4173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.point(x, y); 4174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: function() { 4176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.sphere(); 4177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 4179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.lineStart(); 4180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: function() { 4182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.lineEnd(); 4183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 4185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.polygonStart(); 4186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 4188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.stream.polygonEnd(); 4189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_transformPoint(stream, point) { 4192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: point, 4194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: function() { 4195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.sphere(); 4196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: function() { 4198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineStart(); 4199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: function() { 4201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.lineEnd(); 4202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: function() { 4204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.polygonStart(); 4205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 4206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: function() { 4207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.polygonEnd(); 4208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.projection = d3_geo_projection; 4212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.projectionMutator = d3_geo_projectionMutator; 4213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_projection(project) { 4214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projectionMutator(function() { 4215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return project; 4216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })(); 4217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_projectionMutator(projectAt) { 4219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) { 4220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = project(x, y); 4221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x[0] * k + δx, δy - x[1] * k ]; 4222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream; 4223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function projection(point) { 4224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = projectRotate(point[0] * d3_radians, point[1] * d3_radians); 4225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ point[0] * k + δx, δy - point[1] * k ]; 4226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function invert(point) { 4228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k); 4229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return point && [ point[0] * d3_degrees, point[1] * d3_degrees ]; 4230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.stream = function(output) { 4232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (stream) stream.valid = false; 4233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); 4234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.valid = true; 4235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stream; 4236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.clipAngle = function(_) { 4238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return clipAngle; 4239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); 4240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return invalidate(); 4241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.clipExtent = function(_) { 4243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return clipExtent; 4244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clipExtent = _; 4245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; 4246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return invalidate(); 4247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.scale = function(_) { 4249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return k; 4250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = +_; 4251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.translate = function(_) { 4254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ x, y ]; 4255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = +_[0]; 4256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = +_[1]; 4257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.center = function(_) { 4260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ]; 4261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ = _[0] % 360 * d3_radians; 4262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch φ = _[1] % 360 * d3_radians; 4263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.rotate = function(_) { 4266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ]; 4267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch δλ = _[0] % 360 * d3_radians; 4268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch δφ = _[1] % 360 * d3_radians; 4269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0; 4270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.rebind(projection, projectResample, "precision"); 4273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function reset() { 4274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project); 4275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var center = project(λ, φ); 4276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch δx = x - center[0] * k; 4277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch δy = y + center[1] * k; 4278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return invalidate(); 4279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function invalidate() { 4281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (stream) stream.valid = false, stream = null; 4282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return projection; 4283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 4285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch project = projectAt.apply(this, arguments); 4286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.invert = project.invert && invert; 4287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return reset(); 4288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_projectionRadians(stream) { 4291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_transformPoint(stream, function(x, y) { 4292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stream.point(x * d3_radians, y * d3_radians); 4293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_equirectangular(λ, φ) { 4296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ λ, φ ]; 4297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.equirectangular = function() { 4299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_equirectangular); 4300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular; 4301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.rotation = function(rotate) { 4302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0); 4303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function forward(coordinates) { 4304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians); 4305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; 4306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forward.invert = function(coordinates) { 4308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians); 4309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates; 4310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return forward; 4312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_identityRotation(λ, φ) { 4314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; 4315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_identityRotation.invert = d3_geo_equirectangular; 4317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_rotation(δλ, δφ, δγ) { 4318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation; 4319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_forwardRotationλ(δλ) { 4321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(λ, φ) { 4322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; 4323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_rotationλ(δλ) { 4326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rotation = d3_geo_forwardRotationλ(δλ); 4327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rotation.invert = d3_geo_forwardRotationλ(-δλ); 4328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rotation; 4329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_rotationφγ(δφ, δγ) { 4331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ); 4332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function rotation(λ, φ) { 4333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ; 4334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ]; 4335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rotation.invert = function(λ, φ) { 4337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ; 4338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ]; 4339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rotation; 4341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.circle = function() { 4343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var origin = [ 0, 0 ], angle, precision = 6, interpolate; 4344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function circle() { 4345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = []; 4346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate(null, null, 1, { 4347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: function(x, y) { 4348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ring.push(x = rotate(x, y)); 4349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x[0] *= d3_degrees, x[1] *= d3_degrees; 4350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "Polygon", 4354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates: [ ring ] 4355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.origin = function(x) { 4358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return origin; 4359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin = x; 4360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return circle; 4361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.angle = function(x) { 4363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return angle; 4364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians); 4365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return circle; 4366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.precision = function(_) { 4368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return precision; 4369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians); 4370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return circle; 4371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return circle.angle(90); 4373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_circleInterpolate(radius, precision) { 4375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cr = Math.cos(radius), sr = Math.sin(radius); 4376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(from, to, direction, listener) { 4377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var step = direction * precision; 4378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (from != null) { 4379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch from = d3_geo_circleAngle(cr, from); 4380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch to = d3_geo_circleAngle(cr, to); 4381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (direction > 0 ? from < to : from > to) from += direction * τ; 4382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 4383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch from = radius + direction * τ; 4384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch to = radius - .5 * step; 4385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) { 4387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]); 4388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_circleAngle(cr, point) { 4392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = d3_geo_cartesian(point); 4393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[0] -= cr; 4394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_cartesianNormalize(a); 4395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var angle = d3_acos(-a[1]); 4396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI); 4397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.distance = function(a, b) { 4399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t; 4400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ); 4401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.graticule = function() { 4403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5; 4404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function graticule() { 4405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "MultiLineString", 4407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates: lines() 4408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function lines() { 4411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) { 4412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return abs(x % DX) > ε; 4413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { 4414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return abs(y % DY) > ε; 4415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).map(y)); 4416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.lines = function() { 4418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return lines().map(function(coordinates) { 4419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "LineString", 4421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates: coordinates 4422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.outline = function() { 4426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "Polygon", 4428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ] 4429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.extent = function(_) { 4432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return graticule.minorExtent(); 4433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule.majorExtent(_).minorExtent(_); 4434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.majorExtent = function(_) { 4436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ]; 4437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch X0 = +_[0][0], X1 = +_[1][0]; 4438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Y0 = +_[0][1], Y1 = +_[1][1]; 4439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (X0 > X1) _ = X0, X0 = X1, X1 = _; 4440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; 4441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule.precision(precision); 4442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.minorExtent = function(_) { 4444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; 4445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = +_[0][0], x1 = +_[1][0]; 4446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = +_[0][1], y1 = +_[1][1]; 4447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x0 > x1) _ = x0, x0 = x1, x1 = _; 4448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y0 > y1) _ = y0, y0 = y1, y1 = _; 4449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule.precision(precision); 4450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.step = function(_) { 4452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return graticule.minorStep(); 4453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule.majorStep(_).minorStep(_); 4454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.majorStep = function(_) { 4456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ DX, DY ]; 4457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch DX = +_[0], DY = +_[1]; 4458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule; 4459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.minorStep = function(_) { 4461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ dx, dy ]; 4462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = +_[0], dy = +_[1]; 4463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule; 4464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch graticule.precision = function(_) { 4466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return precision; 4467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch precision = +_; 4468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = d3_geo_graticuleX(y0, y1, 90); 4469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = d3_geo_graticuleY(x0, x1, precision); 4470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch X = d3_geo_graticuleX(Y0, Y1, 90); 4471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Y = d3_geo_graticuleY(X0, X1, precision); 4472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule; 4473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]); 4475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_graticuleX(y0, y1, dy) { 4477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var y = d3.range(y0, y1 - ε, dy).concat(y1); 4478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 4479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y.map(function(y) { 4480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x, y ]; 4481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_graticuleY(x0, x1, dx) { 4485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3.range(x0, x1 - ε, dx).concat(x1); 4486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(y) { 4487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x.map(function(x) { 4488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x, y ]; 4489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_source(d) { 4493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.source; 4494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_target(d) { 4496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.target; 4497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.greatArc = function() { 4499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var source = d3_source, source_, target = d3_target, target_; 4500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function greatArc() { 4501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 4502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "LineString", 4503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ] 4504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch greatArc.distance = function() { 4507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments)); 4508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch greatArc.source = function(_) { 4510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return source; 4511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source = _, source_ = typeof _ === "function" ? null : _; 4512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return greatArc; 4513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch greatArc.target = function(_) { 4515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return target; 4516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = _, target_ = typeof _ === "function" ? null : _; 4517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return greatArc; 4518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch greatArc.precision = function() { 4520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? greatArc : 0; 4521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return greatArc; 4523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.interpolate = function(source, target) { 4525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians); 4526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_interpolate(x0, y0, x1, y1) { 4528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d); 4529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var interpolate = d ? function(t) { 4530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1; 4531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ]; 4532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function() { 4533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x0 * d3_degrees, y0 * d3_degrees ]; 4534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate.distance = d; 4536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return interpolate; 4537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.length = function(object) { 4539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_lengthSum = 0; 4540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geo.stream(object, d3_geo_length); 4541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_lengthSum; 4542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_lengthSum; 4544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_length = { 4545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sphere: d3_noop, 4546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: d3_noop, 4547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineStart: d3_geo_lengthLineStart, 4548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnd: d3_noop, 4549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonStart: d3_noop, 4550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygonEnd: d3_noop 4551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_lengthLineStart() { 4553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var λ0, sinφ0, cosφ0; 4554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_length.point = function(λ, φ) { 4555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ); 4556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_length.point = nextPoint; 4557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_length.lineEnd = function() { 4559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_length.point = d3_geo_length.lineEnd = d3_noop; 4560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function nextPoint(λ, φ) { 4562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t); 4563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ); 4564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ; 4565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_azimuthal(scale, angle) { 4568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function azimuthal(λ, φ) { 4569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ); 4570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ]; 4571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch azimuthal.invert = function(x, y) { 4573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c); 4574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ]; 4575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return azimuthal; 4577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) { 4579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.sqrt(2 / (1 + cosλcosφ)); 4580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(ρ) { 4581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 2 * Math.asin(ρ / 2); 4582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.azimuthalEqualArea = function() { 4584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_azimuthalEqualArea); 4585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_azimuthalEqualArea; 4586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) { 4587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = Math.acos(cosλcosφ); 4588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return c && c / Math.sin(c); 4589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, d3_identity); 4590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.azimuthalEquidistant = function() { 4591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_azimuthalEquidistant); 4592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_azimuthalEquidistant; 4593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_conicConformal(φ0, φ1) { 4594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ0 = Math.cos(φ0), t = function(φ) { 4595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.tan(π / 4 + φ / 2); 4596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n; 4597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!n) return d3_geo_mercator; 4598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function forward(λ, φ) { 4599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (F > 0) { 4600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ < -halfπ + ε) φ = -halfπ + ε; 4601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 4602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (φ > halfπ - ε) φ = halfπ - ε; 4603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ = F / Math.pow(t(φ), n); 4605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ]; 4606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forward.invert = function(x, y) { 4608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y); 4609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ]; 4610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return forward; 4612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.conicConformal = function() { 4614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_conic(d3_geo_conicConformal); 4615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_conicConformal; 4616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_conicEquidistant(φ0, φ1) { 4617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0; 4618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(n) < ε) return d3_geo_equirectangular; 4619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function forward(λ, φ) { 4620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ = G - φ; 4621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ]; 4622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch forward.invert = function(x, y) { 4624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ρ0_y = G - y; 4625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ]; 4626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return forward; 4628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.conicEquidistant = function() { 4630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_conic(d3_geo_conicEquidistant); 4631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_conicEquidistant; 4632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) { 4633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 / cosλcosφ; 4634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, Math.atan); 4635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.gnomonic = function() { 4636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_gnomonic); 4637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_gnomonic; 4638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_mercator(λ, φ) { 4639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ]; 4640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_mercator.invert = function(x, y) { 4642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ]; 4643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_mercatorProjection(project) { 4645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto; 4646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m.scale = function() { 4647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = scale.apply(m, arguments); 4648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v === m ? clipAuto ? m.clipExtent(null) : m : v; 4649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m.translate = function() { 4651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = translate.apply(m, arguments); 4652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v === m ? clipAuto ? m.clipExtent(null) : m : v; 4653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m.clipExtent = function(_) { 4655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var v = clipExtent.apply(m, arguments); 4656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (v === m) { 4657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (clipAuto = _ == null) { 4658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = π * scale(), t = translate(); 4659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]); 4660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (clipAuto) { 4662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v = null; 4663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v; 4665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return m.clipExtent(null); 4667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.mercator = function() { 4669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_mercatorProjection(d3_geo_mercator); 4670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_mercator; 4671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_orthographic = d3_geo_azimuthal(function() { 4672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1; 4673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, Math.asin); 4674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.orthographic = function() { 4675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_orthographic); 4676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_orthographic; 4677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) { 4678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 / (1 + cosλcosφ); 4679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(ρ) { 4680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 2 * Math.atan(ρ); 4681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 4682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.stereographic = function() { 4683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geo_projection(d3_geo_stereographic); 4684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_stereographic; 4685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geo_transverseMercator(λ, φ) { 4686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; 4687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geo_transverseMercator.invert = function(x, y) { 4689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; 4690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (d3.geo.transverseMercator = function() { 4692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; 4693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.center = function(_) { 4694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ -_[1], _[0] ]); 4695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection.rotate = function(_) { 4697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 4698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch [ _[0], _[1], _[2] - 90 ]); 4699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return projection.rotate([ 0, 0 ]); 4701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).raw = d3_geo_transverseMercator; 4702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom = {}; 4703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_pointX(d) { 4704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d[0]; 4705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_pointY(d) { 4707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d[1]; 4708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom.hull = function(vertices) { 4710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_geom_pointX, y = d3_geom_pointY; 4711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length) return hull(vertices); 4712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function hull(data) { 4713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (data.length < 3) return []; 4714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; 4715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; i++) { 4716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); 4717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.sort(d3_geom_hullOrder); 4719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); 4720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); 4721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; 4722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); 4723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); 4724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return polygon; 4725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hull.x = function(_) { 4727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (x = _, hull) : x; 4728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hull.y = function(_) { 4730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (y = _, hull) : y; 4731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hull; 4733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_hullUpper(points) { 4735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = points.length, hull = [ 0, 1 ], hs = 2; 4736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 2; i < n; i++) { 4737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; 4738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hull[hs++] = i; 4739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hull.slice(0, hs); 4741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_hullOrder(a, b) { 4743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a[0] - b[0] || a[1] - b[1]; 4744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom.polygon = function(coordinates) { 4746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_subclass(coordinates, d3_geom_polygonPrototype); 4747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return coordinates; 4748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; 4750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_polygonPrototype.area = function() { 4751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = this.length, a, b = this[n - 1], area = 0; 4752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 4753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = b; 4754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = this[i]; 4755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area += a[1] * b[0] - a[0] * b[1]; 4756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area * .5; 4758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_polygonPrototype.centroid = function(k) { 4760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; 4761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) k = -1 / (6 * this.area()); 4762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 4763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = b; 4764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = this[i]; 4765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = a[0] * b[1] - b[0] * a[1]; 4766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += (a[0] + b[0]) * c; 4767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y += (a[1] + b[1]) * c; 4768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x * k, y * k ]; 4770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_polygonPrototype.clip = function(subject) { 4772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; 4773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 4774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch input = subject.slice(); 4775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.length = 0; 4776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = this[i]; 4777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = input[(m = input.length - closed) - 1]; 4778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j = -1; 4779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < m) { 4780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d = input[j]; 4781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_geom_polygonInside(d, a, b)) { 4782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!d3_geom_polygonInside(c, a, b)) { 4783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.push(d3_geom_polygonIntersect(c, d, a, b)); 4784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.push(d); 4786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (d3_geom_polygonInside(c, a, b)) { 4787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subject.push(d3_geom_polygonIntersect(c, d, a, b)); 4788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = d; 4790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (closed) subject.push(subject[0]); 4792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = b; 4793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return subject; 4795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_polygonInside(p, a, b) { 4797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]); 4798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_polygonIntersect(c, d, a, b) { 4800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21); 4801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x1 + ua * x21, y1 + ua * y21 ]; 4802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_polygonClosed(coordinates) { 4804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = coordinates[0], b = coordinates[coordinates.length - 1]; 4805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !(a[0] - b[0] || a[1] - b[1]); 4806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; 4808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiBeach() { 4809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackNode(this); 4810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.edge = this.site = this.circle = null; 4811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCreateBeach(site) { 4813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); 4814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch beach.site = site; 4815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return beach; 4816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiDetachBeach(beach) { 4818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(beach); 4819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeaches.remove(beach); 4820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeachPool.push(beach); 4821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackNode(beach); 4822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRemoveBeach(beach) { 4824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { 4825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x, 4826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y 4827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, previous = beach.P, next = beach.N, disappearing = [ beach ]; 4828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachBeach(beach); 4829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lArc = previous; 4830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { 4831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch previous = lArc.P; 4832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch disappearing.unshift(lArc); 4833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachBeach(lArc); 4834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = previous; 4835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch disappearing.unshift(lArc); 4837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(lArc); 4838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rArc = next; 4839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { 4840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next = rArc.N; 4841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch disappearing.push(rArc); 4842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachBeach(rArc); 4843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = next; 4844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch disappearing.push(rArc); 4846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(rArc); 4847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nArcs = disappearing.length, iArc; 4848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (iArc = 1; iArc < nArcs; ++iArc) { 4849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = disappearing[iArc]; 4850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = disappearing[iArc - 1]; 4851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); 4852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = disappearing[0]; 4854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = disappearing[nArcs - 1]; 4855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); 4856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(lArc); 4857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(rArc); 4858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiAddBeach(site) { 4860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; 4861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (node) { 4862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; 4863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dxl > ε) node = node.L; else { 4864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); 4865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dxr > ε) { 4866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!node.R) { 4867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = node; 4868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 4869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = node.R; 4871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 4872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dxl > -ε) { 4873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = node.P; 4874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = node; 4875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (dxr > -ε) { 4876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = node; 4877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = node.N; 4878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 4879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lArc = rArc = node; 4880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 4882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var newArc = d3_geom_voronoiCreateBeach(site); 4886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeaches.insert(lArc, newArc); 4887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!lArc && !rArc) return; 4888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lArc === rArc) { 4889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(lArc); 4890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc = d3_geom_voronoiCreateBeach(lArc.site); 4891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeaches.insert(newArc, rArc); 4892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); 4893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(lArc); 4894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(rArc); 4895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 4896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!rArc) { 4898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); 4899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 4900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(lArc); 4902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiDetachCircle(rArc); 4903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { 4904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: (cy * hb - by * hc) / d + ax, 4905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: (bx * hc - cx * hb) / d + ay 4906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); 4908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); 4909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); 4910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(lArc); 4911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAttachCircle(rArc); 4912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiLeftBreakPoint(arc, directrix) { 4914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; 4915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!pby2) return rfocx; 4916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lArc = arc.P; 4917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!lArc) return -Infinity; 4918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch site = lArc.site; 4919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; 4920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!plby2) return lfocx; 4921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; 4922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; 4923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (rfocx + lfocx) / 2; 4924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRightBreakPoint(arc, directrix) { 4926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rArc = arc.N; 4927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); 4928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var site = arc.site; 4929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return site.y === directrix ? site.x : Infinity; 4930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCell(site) { 4932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.site = site; 4933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.edges = []; 4934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCell.prototype.prepare = function() { 4936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; 4937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (iHalfEdge--) { 4938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge = halfEdges[iHalfEdge].edge; 4939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); 4940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); 4942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return halfEdges.length; 4943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 4944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCloseCells(extent) { 4945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; 4946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (iCell--) { 4947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cell = cells[iCell]; 4948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!cell || !cell.prepare()) continue; 4949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch halfEdges = cell.edges; 4950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nHalfEdges = halfEdges.length; 4951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch iHalfEdge = 0; 4952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (iHalfEdge < nHalfEdges) { 4953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; 4954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; 4955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { 4956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { 4957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x0, 4958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: abs(x2 - x0) < ε ? y2 : y1 4959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : abs(y3 - y1) < ε && x1 - x3 > ε ? { 4960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: abs(y2 - y1) < ε ? x2 : x1, 4961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y1 4962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : abs(x3 - x1) < ε && y3 - y0 > ε ? { 4963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x1, 4964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: abs(x2 - x1) < ε ? y2 : y0 4965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : abs(y3 - y0) < ε && x3 - x0 > ε ? { 4966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: abs(y2 - y0) < ε ? x2 : x0, 4967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y0 4968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : null), cell.site, null)); 4969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++nHalfEdges; 4970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiHalfEdgeOrder(a, b) { 4975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b.angle - a.angle; 4976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCircle() { 4978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackNode(this); 4979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.x = this.y = this.arc = this.site = this.cy = null; 4980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 4981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiAttachCircle(arc) { 4982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lArc = arc.P, rArc = arc.N; 4983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!lArc || !rArc) return; 4984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; 4985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lSite === rSite) return; 4986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; 4987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d = 2 * (ax * cy - ay * cx); 4988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d >= -ε2) return; 4989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; 4990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); 4991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.arc = arc; 4992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.site = cSite; 4993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.x = x + bx; 4994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.y = cy + Math.sqrt(x * x + y * y); 4995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle.cy = cy; 4996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.circle = circle; 4997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var before = null, node = d3_geom_voronoiCircles._; 4998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (node) { 4999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { 5000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node.L) node = node.L; else { 5001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch before = node.P; 5002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 5003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node.R) node = node.R; else { 5006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch before = node; 5007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 5008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCircles.insert(before, circle); 5012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!before) d3_geom_voronoiFirstCircle = circle; 5013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiDetachCircle(arc) { 5015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var circle = arc.circle; 5016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (circle) { 5017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; 5018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCircles.remove(circle); 5019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCirclePool.push(circle); 5020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackNode(circle); 5021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.circle = null; 5022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiClipEdges(extent) { 5025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; 5026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i--) { 5027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e = edges[i]; 5028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { 5029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e.a = e.b = null; 5030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edges.splice(i, 1); 5031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiConnectEdge(edge, extent) { 5035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var vb = edge.b; 5036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (vb) return true; 5037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; 5038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ry === ly) { 5039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (fx < x0 || fx >= x1) return; 5040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lx > rx) { 5041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: fx, 5043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y0 5044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.y >= y1) return; 5045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: fx, 5047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y1 5048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: fx, 5052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y1 5053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.y < y0) return; 5054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: fx, 5056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y0 5057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch fm = (lx - rx) / (ry - ly); 5061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch fb = fy - fm * fx; 5062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (fm < -1 || fm > 1) { 5063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lx > rx) { 5064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: (y0 - fb) / fm, 5066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y0 5067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.y >= y1) return; 5068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: (y1 - fb) / fm, 5070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y1 5071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: (y1 - fb) / fm, 5075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y1 5076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.y < y0) return; 5077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: (y0 - fb) / fm, 5079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y0 5080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ly < ry) { 5084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x0, 5086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: fm * x0 + fb 5087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.x >= x1) return; 5088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x1, 5090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: fm * x1 + fb 5091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!va) va = { 5094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x1, 5095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: fm * x1 + fb 5096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; else if (va.x < x0) return; 5097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vb = { 5098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x0, 5099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: fm * x0 + fb 5100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.a = va; 5105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.b = vb; 5106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 5107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiEdge(lSite, rSite) { 5109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.l = lSite; 5110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.r = rSite; 5111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.a = this.b = null; 5112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { 5114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var edge = new d3_geom_voronoiEdge(lSite, rSite); 5115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiEdges.push(edge); 5116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); 5117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); 5118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); 5119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); 5120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return edge; 5121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { 5123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var edge = new d3_geom_voronoiEdge(lSite, null); 5124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.a = va; 5125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.b = vb; 5126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiEdges.push(edge); 5127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return edge; 5128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { 5130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!edge.a && !edge.b) { 5131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.a = vertex; 5132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.l = lSite; 5133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.r = rSite; 5134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (edge.l === rSite) { 5135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.b = vertex; 5136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edge.a = vertex; 5138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { 5141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var va = edge.a, vb = edge.b; 5142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.edge = edge; 5143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.site = lSite; 5144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); 5145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiHalfEdge.prototype = { 5147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch start: function() { 5148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.edge.l === this.site ? this.edge.a : this.edge.b; 5149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch end: function() { 5151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.edge.l === this.site ? this.edge.b : this.edge.a; 5152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRedBlackTree() { 5155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this._ = null; 5156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRedBlackNode(node) { 5158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.U = node.C = node.L = node.R = node.P = node.N = null; 5159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackTree.prototype = { 5161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insert: function(after, node) { 5162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var parent, grandpa, uncle; 5163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (after) { 5164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.P = after; 5165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.N = after.N; 5166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (after.N) after.N.P = node; 5167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after.N = node; 5168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (after.R) { 5169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = after.R; 5170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (after.L) after = after.L; 5171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after.L = node; 5172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after.R = node; 5174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = after; 5176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (this._) { 5177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = d3_geom_voronoiRedBlackFirst(this._); 5178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.P = null; 5179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.N = after; 5180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after.P = after.L = node; 5181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = after; 5182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.P = node.N = null; 5184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this._ = node; 5185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = null; 5186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.L = node.R = null; 5188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.U = parent; 5189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.C = true; 5190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = node; 5191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (parent && parent.C) { 5192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grandpa = parent.U; 5193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent === grandpa.L) { 5194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch uncle = grandpa.R; 5195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (uncle && uncle.C) { 5196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = uncle.C = false; 5197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grandpa.C = true; 5198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = grandpa; 5199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (after === parent.R) { 5201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateLeft(this, parent); 5202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = parent; 5203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = after.U; 5204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = false; 5206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grandpa.C = true; 5207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateRight(this, grandpa); 5208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch uncle = grandpa.L; 5211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (uncle && uncle.C) { 5212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = uncle.C = false; 5213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grandpa.C = true; 5214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = grandpa; 5215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (after === parent.L) { 5217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateRight(this, parent); 5218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch after = parent; 5219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = after.U; 5220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = false; 5222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch grandpa.C = true; 5223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateLeft(this, grandpa); 5224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = after.U; 5227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this._.C = false; 5229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch remove: function(node) { 5231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node.N) node.N.P = node.P; 5232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node.P) node.P.N = node.N; 5233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.N = node.P = null; 5234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var parent = node.U, sibling, left = node.L, right = node.R, next, red; 5235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); 5236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent) { 5237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent.L === node) parent.L = next; else parent.R = next; 5238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this._ = next; 5240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (left && right) { 5242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch red = next.C; 5243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next.C = node.C; 5244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next.L = left; 5245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch left.U = next; 5246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (next !== right) { 5247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = next.U; 5248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next.U = node.U; 5249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = next.R; 5250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.L = node; 5251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next.R = right; 5252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch right.U = next; 5253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch next.U = parent; 5255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = next; 5256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = next.R; 5257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch red = node.C; 5260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = next; 5261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node) node.U = parent; 5263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (red) return; 5264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node && node.C) { 5265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.C = false; 5266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return; 5267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch do { 5269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node === this._) break; 5270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node === parent.L) { 5271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.R; 5272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sibling.C) { 5273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = false; 5274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = true; 5275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateLeft(this, parent); 5276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.R; 5277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { 5279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!sibling.R || !sibling.R.C) { 5280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.L.C = false; 5281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = true; 5282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateRight(this, sibling); 5283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.R; 5284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = parent.C; 5286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = sibling.R.C = false; 5287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateLeft(this, parent); 5288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = this._; 5289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 5290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.L; 5293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sibling.C) { 5294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = false; 5295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = true; 5296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateRight(this, parent); 5297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.L; 5298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { 5300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!sibling.L || !sibling.L.C) { 5301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.R.C = false; 5302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = true; 5303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateLeft(this, sibling); 5304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling = parent.L; 5305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = parent.C; 5307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent.C = sibling.L.C = false; 5308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRedBlackRotateRight(this, parent); 5309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = this._; 5310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 5311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sibling.C = true; 5314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = parent; 5315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = parent.U; 5316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } while (!node.C); 5317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node) node.C = false; 5318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRedBlackRotateLeft(tree, node) { 5321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = node, q = node.R, parent = p.U; 5322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent) { 5323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent.L === p) parent.L = q; else parent.R = q; 5324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tree._ = q; 5326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.U = parent; 5328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p.U = q; 5329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p.R = q.L; 5330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (p.R) p.R.U = p; 5331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.L = p; 5332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRedBlackRotateRight(tree, node) { 5334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = node, q = node.L, parent = p.U; 5335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent) { 5336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (parent.L === p) parent.L = q; else parent.R = q; 5337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tree._ = q; 5339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.U = parent; 5341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p.U = q; 5342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p.L = q.R; 5343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (p.L) p.L.U = p; 5344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.R = p; 5345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiRedBlackFirst(node) { 5347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (node.L) node = node.L; 5348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return node; 5349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoi(sites, bbox) { 5351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; 5352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiEdges = []; 5353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCells = new Array(sites.length); 5354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); 5355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); 5356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (true) { 5357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle = d3_geom_voronoiFirstCircle; 5358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { 5359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (site.x !== x0 || site.y !== y0) { 5360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); 5361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiAddBeach(site); 5362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = site.x, y0 = site.y; 5363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch site = sites.pop(); 5365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (circle) { 5366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiRemoveBeach(circle.arc); 5367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 5369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); 5372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var diagram = { 5373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cells: d3_geom_voronoiCells, 5374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch edges: d3_geom_voronoiEdges 5375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; 5377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagram; 5378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiVertexOrder(a, b) { 5380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b.y - a.y || b.x - a.x; 5381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom.voronoi = function(points) { 5383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; 5384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (points) return voronoi(points); 5385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function voronoi(data) { 5386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; 5387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { 5388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { 5389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = e.start(); 5390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ s.x, s.y ]; 5391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; 5392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch polygon.point = data[i]; 5393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return polygons; 5395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function sites(data) { 5397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return data.map(function(d, i) { 5398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 5399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: Math.round(fx(d, i) / ε) * ε, 5400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: Math.round(fy(d, i) / ε) * ε, 5401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: i 5402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.links = function(data) { 5406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { 5407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return edge.l && edge.r; 5408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).map(function(edge) { 5409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 5410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source: data[edge.l.i], 5411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target: data[edge.r.i] 5412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.triangles = function(data) { 5416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var triangles = []; 5417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { 5418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; 5419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < m) { 5420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e0 = e1; 5421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s0 = s1; 5422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e1 = edges[j].edge; 5423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s1 = e1.l === site ? e1.r : e1.l; 5424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { 5425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch triangles.push([ data[i], data[s0.i], data[s1.i] ]); 5426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return triangles; 5430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.x = function(_) { 5432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; 5433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.y = function(_) { 5435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; 5436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.clipExtent = function(_) { 5438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; 5439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; 5440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return voronoi; 5441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch voronoi.size = function(_) { 5443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; 5444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); 5445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return voronoi; 5447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; 5449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_voronoiTriangleArea(a, b, c) { 5450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); 5451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom.delaunay = function(vertices) { 5453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.geom.voronoi().triangles(vertices); 5454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.geom.quadtree = function(points, x1, y1, x2, y2) { 5456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_geom_pointX, y = d3_geom_pointY, compat; 5457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compat = arguments.length) { 5458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = d3_geom_quadtreeCompatX; 5459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = d3_geom_quadtreeCompatY; 5460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compat === 3) { 5461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y2 = y1; 5462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x2 = x1; 5463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y1 = x1 = 0; 5464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return quadtree(points); 5466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function quadtree(data) { 5468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_; 5469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1 != null) { 5470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2; 5471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x2_ = y2_ = -(x1_ = y1_ = Infinity); 5473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xs = [], ys = []; 5474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n = data.length; 5475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compat) for (i = 0; i < n; ++i) { 5476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d = data[i]; 5477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d.x < x1_) x1_ = d.x; 5478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d.y < y1_) y1_ = d.y; 5479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d.x > x2_) x2_ = d.x; 5480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d.y > y2_) y2_ = d.y; 5481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xs.push(d.x); 5482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ys.push(d.y); 5483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else for (i = 0; i < n; ++i) { 5484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x_ = +fx(d = data[i], i), y_ = +fy(d, i); 5485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x_ < x1_) x1_ = x_; 5486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y_ < y1_) y1_ = y_; 5487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x_ > x2_) x2_ = x_; 5488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y_ > y2_) y2_ = y_; 5489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xs.push(x_); 5490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ys.push(y_); 5491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = x2_ - x1_, dy = y2_ - y1_; 5494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy; 5495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function insert(n, d, x, y, x1, y1, x2, y2) { 5496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(x) || isNaN(y)) return; 5497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n.leaf) { 5498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nx = n.x, ny = n.y; 5499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (nx != null) { 5500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(nx - x) + abs(ny - y) < .01) { 5501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insertChild(n, d, x, y, x1, y1, x2, y2); 5502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nPoint = n.point; 5504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n.x = n.y = n.point = null; 5505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insertChild(n, nPoint, nx, ny, x1, y1, x2, y2); 5506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insertChild(n, d, x, y, x1, y1, x2, y2); 5507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n.x = x, n.y = y, n.point = d; 5510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insertChild(n, d, x, y, x1, y1, x2, y2); 5513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function insertChild(n, d, x, y, x1, y1, x2, y2) { 5516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = x >= sx, bottom = y >= sy, i = (bottom << 1) + right; 5517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n.leaf = false; 5518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); 5519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (right) x1 = sx; else x2 = sx; 5520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (bottom) y1 = sy; else y2 = sy; 5521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insert(n, d, x, y, x1, y1, x2, y2); 5522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var root = d3_geom_quadtreeNode(); 5524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.add = function(d) { 5525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_); 5526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.visit = function(f) { 5528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_); 5529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 5531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1 == null) { 5532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 5533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_); 5534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch --i; 5536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else data.forEach(root.add); 5537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xs = ys = data = d = null; 5538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return root; 5539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quadtree.x = function(_) { 5541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (x = _, quadtree) : x; 5542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quadtree.y = function(_) { 5544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? (y = _, quadtree) : y; 5545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quadtree.extent = function(_) { 5547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; 5548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 5549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y2 = +_[1][1]; 5550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return quadtree; 5551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quadtree.size = function(_) { 5553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; 5554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1]; 5555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return quadtree; 5556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return quadtree; 5558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_quadtreeCompatX(d) { 5560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.x; 5561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_quadtreeCompatY(d) { 5563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.y; 5564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_quadtreeNode() { 5566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 5567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch leaf: true, 5568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodes: [], 5569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point: null, 5570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: null, 5571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: null 5572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) { 5575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!f(node, x1, y1, x2, y2)) { 5576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes; 5577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy); 5578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy); 5579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2); 5580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2); 5581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateRgb = d3_interpolateRgb; 5584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateRgb(a, b) { 5585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = d3.rgb(a); 5586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = d3.rgb(b); 5587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab; 5588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t)); 5590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateObject = d3_interpolateObject; 5593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateObject(a, b) { 5594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = {}, c = {}, k; 5595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (k in a) { 5596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (k in b) { 5597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i[k] = d3_interpolate(a[k], b[k]); 5598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c[k] = a[k]; 5600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (k in b) { 5603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(k in a)) { 5604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c[k] = b[k]; 5605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (k in i) c[k] = i[k](t); 5609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return c; 5610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateNumber = d3_interpolateNumber; 5613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateNumber(a, b) { 5614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b -= a = +a; 5615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a + b * t; 5617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateString = d3_interpolateString; 5620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateString(a, b) { 5621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o; 5622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = a + "", b = b + ""; 5623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_interpolate_number.lastIndex = 0; 5624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; m = d3_interpolate_number.exec(b); ++i) { 5625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m.index) s.push(b.substring(s0, s1 = m.index)); 5626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.push({ 5627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: s.length, 5628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: m[0] 5629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push(null); 5631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s0 = d3_interpolate_number.lastIndex; 5632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s0 < b.length) s.push(b.substring(s0)); 5634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) { 5635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = q[i]; 5636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o.x == m[0]) { 5637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o.i) { 5638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s[o.i + 1] == null) { 5639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i - 1] += o.x; 5640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.splice(o.i, 1); 5641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = i + 1; j < n; ++j) q[j].i--; 5642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i - 1] += o.x + s[o.i + 1]; 5644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.splice(o.i, 2); 5645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = i + 1; j < n; ++j) q[j].i -= 2; 5646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s[o.i + 1] == null) { 5649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i] = o.x; 5650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i] = o.x + s[o.i + 1]; 5652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.splice(o.i + 1, 1); 5653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = i + 1; j < n; ++j) q[j].i--; 5654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.splice(i, 1); 5657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n--; 5658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i--; 5659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x = d3_interpolateNumber(parseFloat(m[0]), parseFloat(o.x)); 5661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (i < n) { 5664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = q.pop(); 5665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s[o.i + 1] == null) { 5666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i] = o.x; 5667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s[o.i] = o.x + s[o.i + 1]; 5669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.splice(o.i + 1, 1); 5670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n--; 5672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s.length === 1) { 5674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s[0] == null ? (o = q[0].x, function(t) { 5675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return o(t) + ""; 5676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }) : function() { 5677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b; 5678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t); 5682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s.join(""); 5683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; 5686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolate = d3_interpolate; 5687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolate(a, b) { 5688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = d3.interpolators.length, f; 5689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ; 5690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f; 5691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolators = [ function(a, b) { 5693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t = typeof b; 5694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_Color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); 5695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ]; 5696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateArray = d3_interpolateArray; 5697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateArray(a, b) { 5698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i; 5699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i])); 5700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < na; ++i) c[i] = a[i]; 5701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < nb; ++i) c[i] = b[i]; 5702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n0; ++i) c[i] = x[i](t); 5704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return c; 5705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_ease_default = function() { 5708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_identity; 5709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_ease = d3.map({ 5711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear: d3_ease_default, 5712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch poly: d3_ease_poly, 5713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad: function() { 5714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_quad; 5715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cubic: function() { 5717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_cubic; 5718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sin: function() { 5720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_sin; 5721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch exp: function() { 5723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_exp; 5724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle: function() { 5726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_circle; 5727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 5728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch elastic: d3_ease_elastic, 5729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch back: d3_ease_back, 5730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bounce: function() { 5731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_bounce; 5732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_ease_mode = d3.map({ 5735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "in": d3_identity, 5736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch out: d3_ease_reverse, 5737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "in-out": d3_ease_reflect, 5738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "out-in": function(f) { 5739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_reflect(d3_ease_reverse(f)); 5740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.ease = function(name) { 5743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in"; 5744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = d3_ease.get(t) || d3_ease_default; 5745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m = d3_ease_mode.get(m) || d3_identity; 5746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1)))); 5747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_clamp(f) { 5749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t <= 0 ? 0 : t >= 1 ? 1 : f(t); 5751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_reverse(f) { 5754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 - f(1 - t); 5756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_reflect(f) { 5759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t)); 5761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_quad(t) { 5764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t * t; 5765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_cubic(t) { 5767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t * t * t; 5768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_cubicInOut(t) { 5770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t <= 0) return 0; 5771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t >= 1) return 1; 5772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t2 = t * t, t3 = t2 * t; 5773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75); 5774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_poly(e) { 5776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.pow(t, e); 5778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_sin(t) { 5781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 - Math.cos(t * halfπ); 5782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_exp(t) { 5784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.pow(2, 10 * (t - 1)); 5785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_circle(t) { 5787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 - Math.sqrt(1 - t * t); 5788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_elastic(a, p) { 5790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s; 5791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) p = .45; 5792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4; 5793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p); 5795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_back(s) { 5798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!s) s = 1.70158; 5799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t * t * ((s + 1) * t - s); 5801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_ease_bounce(t) { 5804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375; 5805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateHcl = d3_interpolateHcl; 5807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateHcl(a, b) { 5808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = d3.hcl(a); 5809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = d3.hcl(b); 5810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al; 5811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; 5812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; 5813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + ""; 5815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateHsl = d3_interpolateHsl; 5818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateHsl(a, b) { 5819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = d3.hsl(a); 5820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = d3.hsl(b); 5821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; 5822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; 5823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; 5824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + ""; 5826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateLab = d3_interpolateLab; 5829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateLab(a, b) { 5830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = d3.lab(a); 5831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = d3.lab(b); 5832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab; 5833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + ""; 5835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateRound = d3_interpolateRound; 5838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateRound(a, b) { 5839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b -= a; 5840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.round(a + b * t); 5842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.transform = function(string) { 5845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); 5846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (d3.transform = function(string) { 5847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (string != null) { 5848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.setAttribute("transform", string); 5849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t = g.transform.baseVal.consolidate(); 5850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_transform(t ? t.matrix : d3_transformIdentity); 5852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })(string); 5853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transform(m) { 5855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0; 5856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r0[0] * r1[1] < r1[0] * r0[1]) { 5857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r0[0] *= -1; 5858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r0[1] *= -1; 5859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch kx *= -1; 5860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch kz *= -1; 5861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees; 5863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.translate = [ m.e, m.f ]; 5864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.scale = [ kx, ky ]; 5865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0; 5866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transform.prototype.toString = function() { 5868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")"; 5869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transformDot(a, b) { 5871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a[0] * b[0] + a[1] * b[1]; 5872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transformNormalize(a) { 5874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = Math.sqrt(d3_transformDot(a, a)); 5875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (k) { 5876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[0] /= k; 5877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[1] /= k; 5878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return k; 5880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transformCombine(a, b, k) { 5882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[0] += k * b[0]; 5883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a[1] += k * b[1]; 5884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a; 5885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_transformIdentity = { 5887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: 1, 5888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b: 0, 5889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c: 0, 5890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d: 1, 5891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: 0, 5892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch f: 0 5893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.interpolateTransform = d3_interpolateTransform; 5895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_interpolateTransform(a, b) { 5896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale; 5897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ta[0] != tb[0] || ta[1] != tb[1]) { 5898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push("translate(", null, ",", null, ")"); 5899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.push({ 5900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: 1, 5901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(ta[0], tb[0]) 5902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, { 5903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: 3, 5904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(ta[1], tb[1]) 5905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (tb[0] || tb[1]) { 5907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push("translate(" + tb + ")"); 5908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 5909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push(""); 5910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ra != rb) { 5912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; 5913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.push({ 5914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: s.push(s.pop() + "rotate(", null, ")") - 2, 5915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(ra, rb) 5916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (rb) { 5918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push(s.pop() + "rotate(" + rb + ")"); 5919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (wa != wb) { 5921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.push({ 5922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: s.push(s.pop() + "skewX(", null, ")") - 2, 5923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(wa, wb) 5924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (wb) { 5926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push(s.pop() + "skewX(" + wb + ")"); 5927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (ka[0] != kb[0] || ka[1] != kb[1]) { 5929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n = s.push(s.pop() + "scale(", null, ",", null, ")"); 5930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.push({ 5931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: n - 4, 5932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(ka[0], kb[0]) 5933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, { 5934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: n - 2, 5935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: d3_interpolateNumber(ka[1], kb[1]) 5936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 5937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (kb[0] != 1 || kb[1] != 1) { 5938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.push(s.pop() + "scale(" + kb + ")"); 5939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n = q.length; 5941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 5942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, o; 5943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) s[(o = q[i]).i] = o.x(t); 5944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s.join(""); 5945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_uninterpolateNumber(a, b) { 5948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = b - (a = +a) ? 1 / (b - a) : 0; 5949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 5950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (x - a) * b; 5951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_uninterpolateClamp(a, b) { 5954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = b - (a = +a) ? 1 / (b - a) : 0; 5955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 5956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.max(0, Math.min(1, (x - a) * b)); 5957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout = {}; 5960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.bundle = function() { 5961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(links) { 5962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var paths = [], i = -1, n = links.length; 5963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) paths.push(d3_layout_bundlePath(links[i])); 5964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return paths; 5965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 5967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_bundlePath(link) { 5968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ]; 5969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (start !== lca) { 5970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch start = start.parent; 5971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.push(start); 5972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = points.length; 5974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (end !== lca) { 5975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.splice(k, 0, end); 5976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch end = end.parent; 5977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points; 5979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_bundleAncestors(node) { 5981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ancestors = [], parent = node.parent; 5982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (parent != null) { 5983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestors.push(node); 5984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = parent; 5985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch parent = parent.parent; 5986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestors.push(node); 5988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ancestors; 5989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_bundleLeastCommonAncestor(a, b) { 5991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (a === b) return a; 5992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null; 5993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (aNode === bNode) { 5994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sharedNode = aNode; 5995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch aNode = aNodes.pop(); 5996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bNode = bNodes.pop(); 5997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 5998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sharedNode; 5999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.chord = function() { 6001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords; 6002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function relayout() { 6003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j; 6004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords = []; 6005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch groups = []; 6006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = 0, i = -1; 6007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = 0, j = -1; 6009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < n) { 6010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += matrix[i][j]; 6011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch groupSums.push(x); 6013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroupIndex.push(d3.range(n)); 6014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k += x; 6015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sortGroups) { 6017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch groupIndex.sort(function(a, b) { 6018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sortGroups(groupSums[a], groupSums[b]); 6019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sortSubgroups) { 6022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroupIndex.forEach(function(d, i) { 6023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.sort(function(a, b) { 6024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sortSubgroups(matrix[i][a], matrix[i][b]); 6025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch k = (τ - padding * n) / k; 6029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = 0, i = -1; 6030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = x, j = -1; 6032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < n) { 6033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k; 6034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups[di + "-" + dj] = { 6035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch index: di, 6036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subindex: dj, 6037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle: a0, 6038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle: a1, 6039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: v 6040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch groups[di] = { 6043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch index: di, 6044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle: x0, 6045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle: x, 6046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: (x - x0) / k 6047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += padding; 6049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 6051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j = i - 1; 6053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < n) { 6054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i]; 6055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (source.value || target.value) { 6056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords.push(source.value < target.value ? { 6057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source: target, 6058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target: source 6059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : { 6060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source: source, 6061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target: target 6062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sortChords) resort(); 6067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function resort() { 6069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords.sort(function(a, b) { 6070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2); 6071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.matrix = function(x) { 6074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return matrix; 6075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n = (matrix = x) && matrix.length; 6076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords = groups = null; 6077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.padding = function(x) { 6080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return padding; 6081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch padding = x; 6082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords = groups = null; 6083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.sortGroups = function(x) { 6086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sortGroups; 6087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sortGroups = x; 6088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords = groups = null; 6089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.sortSubgroups = function(x) { 6092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sortSubgroups; 6093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sortSubgroups = x; 6094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chords = null; 6095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.sortChords = function(x) { 6098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sortChords; 6099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sortChords = x; 6100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (chords) resort(); 6101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.chords = function() { 6104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!chords) relayout(); 6105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chords; 6106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.groups = function() { 6108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!groups) relayout(); 6109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return groups; 6110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 6112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.force = function() { 6114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges; 6115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function repulse(node) { 6116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(quad, x1, _, x2) { 6117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (quad.point !== node) { 6118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy; 6119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dw * dw / theta2 < dn) { 6120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dn < chargeDistance2) { 6121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = quad.charge / dn; 6122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.px -= dx * k; 6123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.py -= dy * k; 6124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 6126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (quad.point && dn && dn < chargeDistance2) { 6128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = quad.pointCharge / dn; 6129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.px -= dx * k; 6130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.py -= dy * k; 6131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !quad.charge; 6134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.tick = function() { 6137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((alpha *= .99) < .005) { 6138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event.end({ 6139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "end", 6140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alpha: alpha = 0 6141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 6143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y; 6145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < m; ++i) { 6146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = links[i]; 6147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = o.source; 6148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = o.target; 6149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = t.x - s.x; 6150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = t.y - s.y; 6151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (l = x * x + y * y) { 6152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l; 6153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x *= l; 6154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y *= l; 6155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t.x -= x * (k = s.weight / (t.weight + s.weight)); 6156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t.y -= y * k; 6157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.x += x * (k = 1 - k); 6158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s.y += y * k; 6159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (k = alpha * gravity) { 6162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = size[0] / 2; 6163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = size[1] / 2; 6164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 6165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (k) while (++i < n) { 6166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = nodes[i]; 6167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x += (x - o.x) * k; 6168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.y += (y - o.y) * k; 6169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (charge) { 6172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges); 6173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 6174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(o = nodes[i]).fixed) { 6176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch q.visit(repulse(o)); 6177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 6181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = nodes[i]; 6183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o.fixed) { 6184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x = o.px; 6185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.y = o.py; 6186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 6187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x -= (o.px - (o.px = o.x)) * friction; 6188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.y -= (o.py - (o.py = o.y)) * friction; 6189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event.tick({ 6192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "tick", 6193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alpha: alpha 6194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.nodes = function(x) { 6197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return nodes; 6198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodes = x; 6199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.links = function(x) { 6202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return links; 6203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch links = x; 6204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.size = function(x) { 6207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 6208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = x; 6209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.linkDistance = function(x) { 6212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return linkDistance; 6213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linkDistance = typeof x === "function" ? x : +x; 6214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.distance = force.linkDistance; 6217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.linkStrength = function(x) { 6218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return linkStrength; 6219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linkStrength = typeof x === "function" ? x : +x; 6220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.friction = function(x) { 6223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return friction; 6224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch friction = +x; 6225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.charge = function(x) { 6228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return charge; 6229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch charge = typeof x === "function" ? x : +x; 6230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.chargeDistance = function(x) { 6233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return Math.sqrt(chargeDistance2); 6234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chargeDistance2 = x * x; 6235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.gravity = function(x) { 6238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return gravity; 6239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch gravity = +x; 6240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.theta = function(x) { 6243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return Math.sqrt(theta2); 6244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch theta2 = x * x; 6245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.alpha = function(x) { 6248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return alpha; 6249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = +x; 6250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (alpha) { 6251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x > 0) alpha = x; else alpha = 0; 6252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (x > 0) { 6253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event.start({ 6254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "start", 6255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch alpha: alpha = x 6256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.timer(force.tick); 6258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force; 6260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.start = function() { 6262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o; 6263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; ++i) { 6264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (o = nodes[i]).index = i; 6265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.weight = 0; 6266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < m; ++i) { 6268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = links[i]; 6269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof o.source == "number") o.source = nodes[o.source]; 6270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof o.target == "number") o.target = nodes[o.target]; 6271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++o.source.weight; 6272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++o.target.weight; 6273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; ++i) { 6275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = nodes[i]; 6276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(o.x)) o.x = position("x", w); 6277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(o.y)) o.y = position("y", h); 6278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(o.px)) o.px = o.x; 6279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isNaN(o.py)) o.py = o.y; 6280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch distances = []; 6282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance; 6283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch strengths = []; 6284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength; 6285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch charges = []; 6286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge; 6287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function position(dimension, size) { 6288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!neighbors) { 6289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch neighbors = new Array(n); 6290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < n; ++j) { 6291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch neighbors[j] = []; 6292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) { 6294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var o = links[j]; 6295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch neighbors[o.source.index].push(o.target); 6296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch neighbors[o.target.index].push(o.source); 6297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var candidates = neighbors[i], j = -1, m = candidates.length, x; 6300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x; 6301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.random() * size; 6302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force.resume(); 6304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.resume = function() { 6306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force.alpha(.1); 6307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.stop = function() { 6309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return force.alpha(0); 6310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.drag = function() { 6312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend); 6313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return drag; 6314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag); 6315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function dragmove(d) { 6317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.px = d3.event.x, d.py = d3.event.y; 6318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch force.resume(); 6319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.rebind(force, event, "on"); 6321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_forceDragstart(d) { 6323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.fixed |= 2; 6324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_forceDragend(d) { 6326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.fixed &= ~6; 6327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_forceMouseover(d) { 6329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.fixed |= 4; 6330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.px = d.x, d.py = d.y; 6331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_forceMouseout(d) { 6333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.fixed &= ~4; 6334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_forceAccumulate(quad, alpha, charges) { 6336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cx = 0, cy = 0; 6337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.charge = 0; 6338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!quad.leaf) { 6339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = quad.nodes, n = nodes.length, i = -1, c; 6340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = nodes[i]; 6342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (c == null) continue; 6343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_forceAccumulate(c, alpha, charges); 6344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.charge += c.charge; 6345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cx += c.charge * c.cx; 6346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cy += c.charge * c.cy; 6347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (quad.point) { 6350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!quad.leaf) { 6351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.point.x += Math.random() - .5; 6352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.point.y += Math.random() - .5; 6353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = alpha * charges[quad.point.index]; 6355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.charge += quad.pointCharge = k; 6356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cx += k * quad.point.x; 6357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cy += k * quad.point.y; 6358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.cx = cx / quad.charge; 6360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch quad.cy = cy / quad.charge; 6361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity; 6363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.hierarchy = function() { 6364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; 6365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function recurse(node, depth, nodes) { 6366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var childs = children.call(hierarchy, node, depth); 6367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.depth = depth; 6368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodes.push(node); 6369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (childs && (n = childs.length)) { 6370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n, c = node.children = new Array(n), v = 0, j = depth + 1, d; 6371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d = c[i] = recurse(childs[i], j, nodes); 6373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.parent = node; 6374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v += d.value; 6375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sort) c.sort(sort); 6377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value) node.value = v; 6378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 6379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete node.children; 6380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value) { 6381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.value = +value.call(hierarchy, node, depth) || 0; 6382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return node; 6385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function revalue(node, depth) { 6387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children, v = 0; 6388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n, j = depth + 1; 6390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) v += revalue(children[i], j); 6391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (value) { 6392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v = +value.call(hierarchy, node, depth) || 0; 6393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value) node.value = v; 6395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return v; 6396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function hierarchy(d) { 6398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = []; 6399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch recurse(d, 0, nodes); 6400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 6401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hierarchy.sort = function(x) { 6403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sort; 6404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sort = x; 6405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hierarchy; 6406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hierarchy.children = function(x) { 6408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return children; 6409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch children = x; 6410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hierarchy; 6411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hierarchy.value = function(x) { 6413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return value; 6414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = x; 6415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hierarchy; 6416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch hierarchy.revalue = function(root) { 6418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch revalue(root, 0); 6419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return root; 6420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return hierarchy; 6422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_hierarchyRebind(object, hierarchy) { 6424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.rebind(object, hierarchy, "sort", "children", "value"); 6425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object.nodes = object; 6426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch object.links = d3_layout_hierarchyLinks; 6427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return object; 6428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_hierarchyChildren(d) { 6430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.children; 6431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_hierarchyValue(d) { 6433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.value; 6434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_hierarchySort(a, b) { 6436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b.value - a.value; 6437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_hierarchyLinks(nodes) { 6439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.merge(nodes.map(function(parent) { 6440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (parent.children || []).map(function(child) { 6441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 6442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source: parent, 6443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target: child 6444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })); 6447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.partition = function() { 6449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ]; 6450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function position(node, x, dx, dy) { 6451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 6452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = x; 6453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = node.depth * dy; 6454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.dx = dx; 6455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.dy = dy; 6456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n, c, d; 6458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = node.value ? dx / node.value : 0; 6459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position(c = children[i], x, d = c.value * dx, dy); 6461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += d; 6462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function depth(node) { 6466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children, d = 0; 6467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n; 6469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d = Math.max(d, depth(children[i])); 6470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 + d; 6472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function partition(d, i) { 6474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = hierarchy.call(this, d, i); 6475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position(nodes[0], 0, size[0], size[1] / depth(nodes[0])); 6476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 6477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch partition.size = function(x) { 6479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 6480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = x; 6481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return partition; 6482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_hierarchyRebind(partition, hierarchy); 6484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.pie = function() { 6486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ; 6487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pie(data) { 6488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var values = data.map(function(d, i) { 6489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return +value.call(pie, d, i); 6490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle); 6492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a) / d3.sum(values); 6493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var index = d3.range(data.length); 6494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) { 6495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return values[j] - values[i]; 6496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(i, j) { 6497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return sort(data[i], data[j]); 6498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var arcs = []; 6500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch index.forEach(function(i) { 6501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d; 6502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arcs[i] = { 6503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch data: data[i], 6504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value: d = values[i], 6505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle: a, 6506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle: a += d * k 6507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arcs; 6510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pie.value = function(x) { 6512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return value; 6513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value = x; 6514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pie; 6515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pie.sort = function(x) { 6517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sort; 6518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sort = x; 6519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pie; 6520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pie.startAngle = function(x) { 6522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return startAngle; 6523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle = x; 6524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pie; 6525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pie.endAngle = function(x) { 6527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return endAngle; 6528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle = x; 6529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pie; 6530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pie; 6532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_layout_pieSortByValue = {}; 6534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.stack = function() { 6535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY; 6536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function stack(data, index) { 6537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var series = data.map(function(d, i) { 6538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return values.call(stack, d, i); 6539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var points = series.map(function(d) { 6541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.map(function(v, i) { 6542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ x.call(stack, v, i), y.call(stack, v, i) ]; 6543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var orders = order.call(stack, points, index); 6546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch series = d3.permute(series, orders); 6547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points = d3.permute(points, orders); 6548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var offsets = offset.call(stack, points, index); 6549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = series.length, m = series[0].length, i, j, o; 6550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) { 6551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch out.call(stack, series[0][j], o = offsets[j], points[0][j][1]); 6552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 1; i < n; ++i) { 6553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]); 6554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return data; 6557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.values = function(x) { 6559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return values; 6560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch values = x; 6561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.order = function(x) { 6564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return order; 6565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault; 6566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.offset = function(x) { 6569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return offset; 6570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero; 6571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.x = function(z) { 6574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x; 6575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = z; 6576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.y = function(z) { 6579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y; 6580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = z; 6581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stack.out = function(z) { 6584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return out; 6585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch out = z; 6586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stack; 6589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackX(d) { 6591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.x; 6592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackY(d) { 6594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.y; 6595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackOut(d, y0, y) { 6597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.y0 = y0; 6598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.y = y; 6599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_layout_stackOrders = d3.map({ 6601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "inside-out": function(data) { 6602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) { 6603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return max[a] - max[b]; 6604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }), top = 0, bottom = 0, tops = [], bottoms = []; 6605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; ++i) { 6606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j = index[i]; 6607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (top < bottom) { 6608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch top += sums[j]; 6609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tops.push(j); 6610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 6611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bottom += sums[j]; 6612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bottoms.push(j); 6613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return bottoms.reverse().concat(tops); 6616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 6617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch reverse: function(data) { 6618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range(data.length).reverse(); 6619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 6620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "default": d3_layout_stackOrderDefault 6621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_layout_stackOffsets = d3.map({ 6623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch silhouette: function(data) { 6624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = []; 6625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) { 6626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; 6627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o > max) max = o; 6628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sums.push(o); 6629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) { 6631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0[j] = (max - sums[j]) / 2; 6632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y0; 6634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 6635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch wiggle: function(data) { 6636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = []; 6637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0[0] = o = o0 = 0; 6638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 1; j < m; ++j) { 6639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1]; 6640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) { 6641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) { 6642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s3 += (data[k][j][1] - data[k][j - 1][1]) / dx; 6643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s2 += s3 * data[i][j][1]; 6645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0[j] = o -= s1 ? s2 / s1 * dx : 0; 6647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o < o0) o0 = o; 6648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) y0[j] -= o0; 6650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y0; 6651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 6652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch expand: function(data) { 6653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = []; 6654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) { 6655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0, o = 0; i < n; i++) o += data[i][j][1]; 6656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k; 6657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = 0; j < m; ++j) y0[j] = 0; 6659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y0; 6660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 6661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch zero: d3_layout_stackOffsetZero 6662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackOrderDefault(data) { 6664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range(data.length); 6665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackOffsetZero(data) { 6667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var j = -1, m = data[0].length, y0 = []; 6668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j < m) y0[j] = 0; 6669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y0; 6670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackMaxIndex(array) { 6672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 1, j = 0, v = array[0][1], k, n = array.length; 6673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < n; ++i) { 6674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((k = array[i][1]) > v) { 6675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j = i; 6676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch v = k; 6677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return j; 6680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackReduceSum(d) { 6682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.reduce(d3_layout_stackSum, 0); 6683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_stackSum(p, d) { 6685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return p + d[1]; 6686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.histogram = function() { 6688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges; 6689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function histogram(data, i) { 6690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x; 6691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < m) { 6692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin = bins[i] = []; 6693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]); 6694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin.y = 0; 6695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m > 0) { 6697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 6698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = values[i]; 6700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x >= range[0] && x <= range[1]) { 6701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin = bins[d3.bisect(thresholds, x, 1, m) - 1]; 6702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin.y += k; 6703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bin.push(data[i]); 6704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return bins; 6708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch histogram.value = function(x) { 6710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return valuer; 6711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch valuer = x; 6712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return histogram; 6713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch histogram.range = function(x) { 6715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return ranger; 6716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranger = d3_functor(x); 6717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return histogram; 6718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch histogram.bins = function(x) { 6720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return binner; 6721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch binner = typeof x === "number" ? function(range) { 6722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_histogramBinFixed(range, x); 6723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : d3_functor(x); 6724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return histogram; 6725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch histogram.frequency = function(x) { 6727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return frequency; 6728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch frequency = !!x; 6729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return histogram; 6730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return histogram; 6732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_histogramBinSturges(range, values) { 6734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1)); 6735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_histogramBinFixed(range, n) { 6737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = -1, b = +range[0], m = (range[1] - b) / n, f = []; 6738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++x <= n) f[x] = m * x + b; 6739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f; 6740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_histogramRange(values) { 6742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ d3.min(values), d3.max(values) ]; 6743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.tree = function() { 6745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; 6746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function tree(d, i) { 6747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = hierarchy.call(this, d, i), root = nodes[0]; 6748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function firstWalk(node, previousSibling) { 6749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children, layout = node._tree; 6750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1; 6752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child = children[i]; 6754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch firstWalk(child, previousChild); 6755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestor = apportion(child, previousChild, ancestor); 6756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch previousChild = child; 6757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeShift(node); 6759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim); 6760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (previousSibling) { 6761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling); 6762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch layout.mod = layout.prelim - midpoint; 6763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 6764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch layout.prelim = midpoint; 6765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 6767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (previousSibling) { 6768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling); 6769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function secondWalk(node, x) { 6773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = node._tree.prelim + x; 6774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 6775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n; 6777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += node._tree.mod; 6778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch secondWalk(children[i], x); 6780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function apportion(node, previousSibling, ancestor) { 6784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (previousSibling) { 6785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, shift; 6786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) { 6787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vom = d3_layout_treeLeft(vom); 6788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vop = d3_layout_treeRight(vop); 6789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vop._tree.ancestor = node; 6790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip); 6791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (shift > 0) { 6792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift); 6793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sip += shift; 6794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sop += shift; 6795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sim += vim._tree.mod; 6797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sip += vip._tree.mod; 6798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch som += vom._tree.mod; 6799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sop += vop._tree.mod; 6800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (vim && !d3_layout_treeRight(vop)) { 6802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vop._tree.thread = vim; 6803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vop._tree.mod += sim - sop; 6804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (vip && !d3_layout_treeLeft(vom)) { 6806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vom._tree.thread = vip; 6807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch vom._tree.mod += sip - som; 6808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestor = node; 6809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ancestor; 6812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, function(node, previousSibling) { 6814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node._tree = { 6815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestor: node, 6816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch prelim: 0, 6817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mod: 0, 6818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch change: 0, 6819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch shift: 0, 6820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch number: previousSibling ? previousSibling._tree.number + 1 : 0 6821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch firstWalk(root); 6824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch secondWalk(root, -root._tree.prelim); 6825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1; 6826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, nodeSize ? function(node) { 6827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x *= size[0]; 6828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = node.depth * size[1]; 6829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete node._tree; 6830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(node) { 6831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = (node.x - x0) / (x1 - x0) * size[0]; 6832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = node.depth / y1 * size[1]; 6833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete node._tree; 6834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 6836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tree.separation = function(x) { 6838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return separation; 6839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch separation = x; 6840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return tree; 6841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tree.size = function(x) { 6843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return nodeSize ? null : size; 6844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeSize = (size = x) == null; 6845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return tree; 6846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tree.nodeSize = function(x) { 6848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return nodeSize ? size : null; 6849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeSize = (size = x) != null; 6850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return tree; 6851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_hierarchyRebind(tree, hierarchy); 6853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeSeparation(a, b) { 6855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a.parent == b.parent ? 1 : 2; 6856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeLeft(node) { 6858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 6859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return children && children.length ? children[0] : node._tree.thread; 6860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeRight(node) { 6862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children, n; 6863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return children && (n = children.length) ? children[n - 1] : node._tree.thread; 6864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeSearch(node, compare) { 6866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 6867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var child, n, i = -1; 6869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) { 6871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = child; 6872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return node; 6876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeRightmost(a, b) { 6878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a.x - b.x; 6879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeLeftmost(a, b) { 6881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b.x - a.x; 6882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeDeepest(a, b) { 6884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a.depth - b.depth; 6885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeVisitAfter(node, callback) { 6887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function visit(node, previousSibling) { 6888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 6889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && (n = children.length)) { 6890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var child, previousChild = null, i = -1, n; 6891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 6892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child = children[i]; 6893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch visit(child, previousChild); 6894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch previousChild = child; 6895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch callback(node, previousSibling); 6898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch visit(node, null); 6900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeShift(node) { 6902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var shift = 0, change = 0, children = node.children, i = children.length, child; 6903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (--i >= 0) { 6904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child = children[i]._tree; 6905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child.prelim += shift; 6906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child.mod += shift; 6907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch shift += child.shift + (change += child.change); 6908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeMove(ancestor, node, shift) { 6911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestor = ancestor._tree; 6912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node = node._tree; 6913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var change = shift / (node.number - ancestor.number); 6914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ancestor.change += change; 6915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.change -= change; 6916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.shift += shift; 6917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.prelim += shift; 6918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.mod += shift; 6919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treeAncestor(vim, node, ancestor) { 6921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor; 6922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.pack = function() { 6924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; 6925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pack(d, i) { 6926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { 6927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return radius; 6928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.x = root.y = 0; 6930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, function(d) { 6931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.r = +r(d.value); 6932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, d3_layout_packSiblings); 6934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (padding) { 6935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; 6936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, function(d) { 6937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.r += dr; 6938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, d3_layout_packSiblings); 6940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, function(d) { 6941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d.r -= dr; 6942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 6943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); 6945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 6946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pack.size = function(_) { 6948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 6949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = _; 6950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pack; 6951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pack.radius = function(_) { 6953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return radius; 6954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch radius = _ == null || typeof _ === "function" ? _ : +_; 6955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pack; 6956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pack.padding = function(_) { 6958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return padding; 6959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch padding = +_; 6960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pack; 6961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_hierarchyRebind(pack, hierarchy); 6963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 6964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packSort(a, b) { 6965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a.value - b.value; 6966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packInsert(a, b) { 6968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var c = a._pack_next; 6969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a._pack_next = b; 6970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b._pack_prev = a; 6971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b._pack_next = c; 6972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c._pack_prev = b; 6973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packSplice(a, b) { 6975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a._pack_next = b; 6976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b._pack_prev = a; 6977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packIntersects(a, b) { 6979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r; 6980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return .999 * dr * dr > dx * dx + dy * dy; 6981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packSiblings(node) { 6983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(nodes = node.children) || !(n = nodes.length)) return; 6984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n; 6985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function bound(node) { 6986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xMin = Math.min(node.x - node.r, xMin); 6987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xMax = Math.max(node.x + node.r, xMax); 6988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yMin = Math.min(node.y - node.r, yMin); 6989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yMax = Math.max(node.y + node.r, yMax); 6990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 6991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodes.forEach(d3_layout_packLink); 6992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = nodes[0]; 6993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.x = -a.r; 6994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a.y = 0; 6995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound(a); 6996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n > 1) { 6997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = nodes[1]; 6998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b.x = b.r; 6999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b.y = 0; 7000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound(b); 7001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n > 2) { 7002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = nodes[2]; 7003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packPlace(a, b, c); 7004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound(c); 7005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packInsert(a, c); 7006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a._pack_prev = c; 7007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packInsert(c, b); 7008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = a._pack_next; 7009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 3; i < n; i++) { 7010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packPlace(a, b, c = nodes[i]); 7011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var isect = 0, s1 = 1, s2 = 1; 7012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = b._pack_next; j !== b; j = j._pack_next, s1++) { 7013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_layout_packIntersects(j, c)) { 7014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch isect = 1; 7015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 7016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isect == 1) { 7019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) { 7020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_layout_packIntersects(k, c)) { 7021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 7022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isect) { 7026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b); 7027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i--; 7028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_packInsert(a, c); 7030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = c; 7031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bound(c); 7032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0; 7037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; i < n; i++) { 7038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c = nodes[i]; 7039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.x -= cx; 7040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.y -= cy; 7041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y)); 7042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.r = cr; 7044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodes.forEach(d3_layout_packUnlink); 7045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packLink(node) { 7047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node._pack_next = node._pack_prev = node; 7048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packUnlink(node) { 7050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete node._pack_next; 7051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delete node._pack_prev; 7052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packTransform(node, x, y, k) { 7054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 7055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = x += k * node.x; 7056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = y += k * node.y; 7057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.r *= k; 7058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children) { 7059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = children.length; 7060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) d3_layout_packTransform(children[i], x, y, k); 7061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_packPlace(a, b, c) { 7064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y; 7065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (db && (dx || dy)) { 7066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var da = b.r + c.r, dc = dx * dx + dy * dy; 7067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch da *= da; 7068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch db *= db; 7069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); 7070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.x = a.x + x * dx + y * dy; 7071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.y = a.y + x * dy - y * dx; 7072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.x = a.x + db; 7074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch c.y = a.y; 7075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.cluster = function() { 7078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; 7079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function cluster(d, i) { 7080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; 7081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, function(node) { 7082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 7083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && children.length) { 7084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = d3_layout_clusterX(children); 7085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = d3_layout_clusterY(children); 7086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = previousNode ? x += separation(node, previousNode) : 0; 7088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = 0; 7089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch previousNode = node; 7090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2; 7093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_layout_treeVisitAfter(root, nodeSize ? function(node) { 7094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = (node.x - root.x) * size[0]; 7095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = (root.y - node.y) * size[1]; 7096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(node) { 7097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.x = (node.x - x0) / (x1 - x0) * size[0]; 7098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1]; 7099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 7101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cluster.separation = function(x) { 7103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return separation; 7104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch separation = x; 7105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return cluster; 7106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cluster.size = function(x) { 7108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return nodeSize ? null : size; 7109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeSize = (size = x) == null; 7110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return cluster; 7111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cluster.nodeSize = function(x) { 7113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return nodeSize ? size : null; 7114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nodeSize = (size = x) != null; 7115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return cluster; 7116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_hierarchyRebind(cluster, hierarchy); 7118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_clusterY(children) { 7120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1 + d3.max(children, function(child) { 7121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return child.y; 7122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_clusterX(children) { 7125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return children.reduce(function(x, child) { 7126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x + child.x; 7127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 0) / children.length; 7128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_clusterLeft(node) { 7130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 7131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return children && children.length ? d3_layout_clusterLeft(children[0]) : node; 7132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_clusterRight(node) { 7134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children, n; 7135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node; 7136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.layout.treemap = function() { 7138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5)); 7139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(children, k) { 7140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = children.length, child, area; 7141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 7142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area = (child = children[i]).value * (k < 0 ? 0 : k); 7143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch child.area = isNaN(area) || area <= 0 ? 0 : area; 7144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function squarify(node) { 7147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 7148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && children.length) { 7149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n; 7150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale(remaining, rect.dx * rect.dy / node.value); 7151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.area = 0; 7152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while ((n = remaining.length) > 0) { 7153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.push(child = remaining[n - 1]); 7154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.area += child.area; 7155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (mode !== "squarify" || (score = worst(row, u)) <= best) { 7156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch remaining.pop(); 7157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch best = score; 7158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.area -= row.pop().area; 7160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position(row, u, rect, false); 7161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch u = Math.min(rect.dx, rect.dy); 7162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.length = row.area = 0; 7163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch best = Infinity; 7164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (row.length) { 7167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position(row, u, rect, true); 7168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.length = row.area = 0; 7169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch children.forEach(squarify); 7171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function stickify(node) { 7174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var children = node.children; 7175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (children && children.length) { 7176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rect = pad(node), remaining = children.slice(), child, row = []; 7177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale(remaining, rect.dx * rect.dy / node.value); 7178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.area = 0; 7179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (child = remaining.pop()) { 7180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.push(child); 7181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.area += child.area; 7182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (child.z != null) { 7183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length); 7184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch row.length = row.area = 0; 7185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch children.forEach(stickify); 7188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function worst(row, u) { 7191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length; 7192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 7193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!(r = row[i].area)) continue; 7194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r < rmin) rmin = r; 7195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (r > rmax) rmax = r; 7196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s *= s; 7198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch u *= u; 7199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity; 7200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function position(row, u, rect, flush) { 7202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o; 7203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (u == rect.dx) { 7204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (flush || v > rect.dy) v = rect.dy; 7205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 7206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = row[i]; 7207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x = x; 7208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.y = y; 7209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.dy = v; 7210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0); 7211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.z = true; 7213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.dx += rect.x + rect.dx - x; 7214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rect.y += v; 7215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rect.dy -= v; 7216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (flush || v > rect.dx) v = rect.dx; 7218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 7219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o = row[i]; 7220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.x = x; 7221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.y = y; 7222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.dx = v; 7223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0); 7224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.z = false; 7226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch o.dy += rect.y + rect.dy - y; 7227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rect.x += v; 7228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rect.dx -= v; 7229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function treemap(d) { 7232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var nodes = stickies || hierarchy(d), root = nodes[0]; 7233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.x = 0; 7234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.y = 0; 7235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.dx = size[0]; 7236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch root.dy = size[1]; 7237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (stickies) hierarchy.revalue(root); 7238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale([ root ], root.dx * root.dy / root.value); 7239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (stickies ? stickify : squarify)(root); 7240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (sticky) stickies = nodes; 7241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return nodes; 7242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.size = function(x) { 7244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 7245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = x; 7246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.padding = function(x) { 7249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return padding; 7250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function padFunction(node) { 7251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = x.call(treemap, node, node.depth); 7252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p); 7253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function padConstant(node) { 7255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_treemapPad(node, x); 7256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var type; 7258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 7259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch padConstant) : padConstant; 7260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.round = function(x) { 7263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return round != Number; 7264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch round = x ? Math.round : Number; 7265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.sticky = function(x) { 7268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return sticky; 7269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sticky = x; 7270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch stickies = null; 7271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.ratio = function(x) { 7274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return ratio; 7275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ratio = x; 7276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch treemap.mode = function(x) { 7279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return mode; 7280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mode = x + ""; 7281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return treemap; 7282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_layout_hierarchyRebind(treemap, hierarchy); 7284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treemapPadNull(node) { 7286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 7287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: node.x, 7288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: node.y, 7289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx: node.dx, 7290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dy: node.dy 7291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_layout_treemapPad(node, padding) { 7294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2]; 7295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dx < 0) { 7296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x += dx / 2; 7297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = 0; 7298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dy < 0) { 7300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y += dy / 2; 7301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dy = 0; 7302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 7304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: x, 7305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: y, 7306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx: dx, 7307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dy: dy 7308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.random = { 7311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch normal: function(µ, σ) { 7312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 7313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) σ = 1; 7314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 1) µ = 0; 7315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 7316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x, y, r; 7317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch do { 7318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = Math.random() * 2 - 1; 7319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = Math.random() * 2 - 1; 7320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = x * x + y * y; 7321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } while (!r || r > 1); 7322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r); 7323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 7325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch logNormal: function() { 7326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var random = d3.random.normal.apply(d3, arguments); 7327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 7328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.exp(random()); 7329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 7331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bates: function(m) { 7332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var random = d3.random.irwinHall(m); 7333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 7334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return random() / m; 7335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 7337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch irwinHall: function(m) { 7338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 7339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var s = 0, j = 0; j < m; j++) s += Math.random(); 7340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return s; 7341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale = {}; 7345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scaleExtent(domain) { 7346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var start = domain[0], stop = domain[domain.length - 1]; 7347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return start < stop ? [ start, stop ] : [ stop, start ]; 7348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scaleRange(scale) { 7350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range()); 7351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_bilinear(domain, range, uninterpolate, interpolate) { 7353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]); 7354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 7355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return i(u(x)); 7356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_nice(domain, nice) { 7359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx; 7360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1 < x0) { 7361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = i0, i0 = i1, i1 = dx; 7362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dx = x0, x0 = x1, x1 = dx; 7363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain[i0] = nice.floor(x0); 7365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain[i1] = nice.ceil(x1); 7366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return domain; 7367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_niceStep(step) { 7369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return step ? { 7370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floor: function(x) { 7371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.floor(x / step) * step; 7372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 7373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ceil: function(x) { 7374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return Math.ceil(x / step) * step; 7375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : d3_scale_niceIdentity; 7377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_scale_niceIdentity = { 7379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floor: d3_identity, 7380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ceil: d3_identity 7381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_polylinear(domain, range, uninterpolate, interpolate) { 7383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1; 7384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (domain[k] < domain[0]) { 7385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = domain.slice().reverse(); 7386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = range.slice().reverse(); 7387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++j <= k) { 7389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch u.push(uninterpolate(domain[j - 1], domain[j])); 7390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i.push(interpolate(range[j - 1], range[j])); 7391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 7393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var j = d3.bisect(domain, x, 1, k) - 1; 7394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return i[j](u[j](x)); 7395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.linear = function() { 7398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false); 7399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linear(domain, range, interpolate, clamp) { 7401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var output, input; 7402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function rescale() { 7403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber; 7404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch output = linear(domain, range, uninterpolate, interpolate); 7405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch input = linear(range, domain, uninterpolate, d3_interpolate); 7406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return output(x); 7410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invert = function(y) { 7412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return input(y); 7413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = x.map(Number); 7417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.range = function(x) { 7420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return range; 7421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = x; 7422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangeRound = function(x) { 7425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale.range(x).interpolate(d3_interpolateRound); 7426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.clamp = function(x) { 7428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return clamp; 7429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch clamp = x; 7430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.interpolate = function(x) { 7433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return interpolate; 7434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolate = x; 7435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.ticks = function(m) { 7438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTicks(domain, m); 7439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.tickFormat = function(m, format) { 7441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTickFormat(domain, m, format); 7442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.nice = function(m) { 7444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_scale_linearNice(domain, m); 7445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linear(domain, range, interpolate, clamp); 7449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearRebind(scale, linear) { 7453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp"); 7454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearNice(domain, m) { 7456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); 7457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearTickRange(domain, m) { 7459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (m == null) m = 10; 7460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step; 7461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2; 7462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent[0] = Math.ceil(extent[0] / step) * step; 7463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent[1] = Math.floor(extent[1] / step) * step + step * .5; 7464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent[2] = step; 7465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return extent; 7466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearTicks(domain, m) { 7468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range.apply(d3, d3_scale_linearTickRange(domain, m)); 7469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearTickFormat(domain, m, format) { 7471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var range = d3_scale_linearTickRange(domain, m); 7472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (format) { 7473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var match = d3_format_re.exec(format); 7474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch match.shift(); 7475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (match[8] === "s") { 7476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); 7477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); 7478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch match[8] = "f"; 7479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format = d3.format(match.join("")); 7480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(d) { 7481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return format(prefix.scale(d)) + prefix.symbol; 7482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); 7485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format = match.join(""); 7486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch format = ",." + d3_scale_linearPrecision(range[2]) + "f"; 7488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.format(format); 7490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_scale_linearFormatSignificant = { 7492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s: 1, 7493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g: 1, 7494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p: 1, 7495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r: 1, 7496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: 1 7497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearPrecision(value) { 7499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -Math.floor(Math.log(value) / Math.LN10 + .01); 7500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_linearFormatPrecision(type, range) { 7502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p = d3_scale_linearPrecision(range[2]); 7503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; 7504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.log = function() { 7506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); 7507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_log(linear, base, positive, domain) { 7509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function log(x) { 7510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); 7511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function pow(x) { 7513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return positive ? Math.pow(base, x) : -Math.pow(base, -x); 7514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return linear(log(x)); 7517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invert = function(x) { 7519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return pow(linear.invert(x)); 7520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch positive = x[0] >= 0; 7524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain((domain = x.map(Number)).map(log)); 7525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.base = function(_) { 7528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return base; 7529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch base = +_; 7530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain(domain.map(log)); 7531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.nice = function() { 7534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); 7535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain(niced); 7536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = niced.map(pow); 7537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.ticks = function() { 7540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; 7541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (isFinite(j - i)) { 7542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (positive) { 7543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); 7544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ticks.push(pow(i)); 7545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 7546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ticks.push(pow(i)); 7547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); 7548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (i = 0; ticks[i] < u; i++) {} 7550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (j = ticks.length; ticks[j - 1] > v; j--) {} 7551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ticks = ticks.slice(i, j); 7552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return ticks; 7554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.tickFormat = function(n, format) { 7556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return d3_scale_logFormat; 7557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); 7558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, 7559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch Math.floor), e; 7560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(d) { 7561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d / pow(f(log(d) + e)) <= k ? format(d) : ""; 7562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_log(linear.copy(), base, positive, domain); 7566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearRebind(scale, linear); 7568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { 7570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floor: function(x) { 7571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -Math.ceil(-x); 7572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 7573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ceil: function(x) { 7574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return -Math.floor(-x); 7575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.pow = function() { 7578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); 7579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_pow(linear, exponent, domain) { 7581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent); 7582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return linear(powp(x)); 7584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invert = function(x) { 7586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return powb(linear.invert(x)); 7587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain((domain = x.map(Number)).map(powp)); 7591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.ticks = function(m) { 7594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTicks(domain, m); 7595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.tickFormat = function(m, format) { 7597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTickFormat(domain, m, format); 7598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.nice = function(m) { 7600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale.domain(d3_scale_linearNice(domain, m)); 7601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.exponent = function(x) { 7603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return exponent; 7604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch powp = d3_scale_powPow(exponent = x); 7605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch powb = d3_scale_powPow(1 / exponent); 7606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain(domain.map(powp)); 7607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_pow(linear.copy(), exponent, domain); 7611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearRebind(scale, linear); 7613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_powPow(e) { 7615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(x) { 7616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e); 7617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.sqrt = function() { 7620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.scale.pow().exponent(.5); 7621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.ordinal = function() { 7623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_ordinal([], { 7624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: "range", 7625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: [ [] ] 7626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_ordinal(domain, ranger) { 7629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var index, range, rangeBand; 7630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length]; 7632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function steps(start, step) { 7634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range(domain.length).map(function(i) { 7635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return start + step * i; 7636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = []; 7641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch index = new d3_Map(); 7642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = -1, n = x.length, xi; 7643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi)); 7644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale[ranger.t].apply(scale, ranger.a); 7645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.range = function(x) { 7647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return range; 7648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = x; 7649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rangeBand = 0; 7650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranger = { 7651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: "range", 7652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: arguments 7653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangePoints = function(x, padding) { 7657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) padding = 0; 7658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding); 7659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step); 7660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rangeBand = 0; 7661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranger = { 7662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: "rangePoints", 7663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: arguments 7664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangeBands = function(x, padding, outerPadding) { 7668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) padding = 0; 7669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) outerPadding = padding; 7670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding); 7671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = steps(start + step * outerPadding, step); 7672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (reverse) range.reverse(); 7673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rangeBand = step * (1 - padding); 7674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranger = { 7675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: "rangeBands", 7676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: arguments 7677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangeRoundBands = function(x, padding, outerPadding) { 7681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) padding = 0; 7682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) outerPadding = padding; 7683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding)), error = stop - start - (domain.length - padding) * step; 7684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = steps(start + Math.round(error / 2), step); 7685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (reverse) range.reverse(); 7686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch rangeBand = Math.round(step * (1 - padding)); 7687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ranger = { 7688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t: "rangeRoundBands", 7689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a: arguments 7690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangeBand = function() { 7694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rangeBand; 7695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.rangeExtent = function() { 7697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scaleExtent(ranger.a[0]); 7698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_ordinal(domain, ranger); 7701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale.domain(domain); 7703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.category10 = function() { 7705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.scale.ordinal().range(d3_category10); 7706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.category20 = function() { 7708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.scale.ordinal().range(d3_category20); 7709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.category20b = function() { 7711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.scale.ordinal().range(d3_category20b); 7712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.category20c = function() { 7714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.scale.ordinal().range(d3_category20c); 7715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); 7717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); 7718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); 7719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); 7720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.quantile = function() { 7721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_quantile([], []); 7722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_quantile(domain, range) { 7724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var thresholds; 7725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function rescale() { 7726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var k = 0, q = range.length; 7727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch thresholds = []; 7728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q); 7729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)]; 7733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = x.filter(function(d) { 7737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !isNaN(d); 7738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).sort(d3_ascending); 7739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.range = function(x) { 7742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return range; 7743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = x; 7744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.quantiles = function() { 7747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return thresholds; 7748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invertExtent = function(y) { 7750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = range.indexOf(y); 7751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; 7752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_quantile(domain, range); 7755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.quantize = function() { 7759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_quantize(0, 1, [ 0, 1 ]); 7760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_quantize(x0, x1, range) { 7762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var kx, i; 7763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))]; 7765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function rescale() { 7767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch kx = range.length / (x1 - x0); 7768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = range.length - 1; 7769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 7772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return [ x0, x1 ]; 7773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = +x[0]; 7774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x1 = +x[x.length - 1]; 7775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.range = function(x) { 7778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return range; 7779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = x; 7780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invertExtent = function(y) { 7783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = range.indexOf(y); 7784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = y < 0 ? NaN : y / kx + x0; 7785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ y, y + 1 / kx ]; 7786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_quantize(x0, x1, range); 7789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return rescale(); 7791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.threshold = function() { 7793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_threshold([ .5 ], [ 0, 1 ]); 7794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_threshold(domain, range) { 7796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 7797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x <= x) return range[d3.bisect(domain, x)]; 7798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(_) { 7800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = _; 7802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.range = function(_) { 7805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return range; 7806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = _; 7807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invertExtent = function(y) { 7810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = range.indexOf(y); 7811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ domain[y - 1], domain[y] ]; 7812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 7814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_threshold(domain, range); 7815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 7817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.scale.identity = function() { 7819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_identity([ 0, 1 ]); 7820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_scale_identity(domain) { 7822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function identity(x) { 7823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return +x; 7824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch identity.invert = identity; 7826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch identity.domain = identity.range = function(x) { 7827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return domain; 7828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch domain = x.map(identity); 7829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return identity; 7830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch identity.ticks = function(m) { 7832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTicks(domain, m); 7833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch identity.tickFormat = function(m, format) { 7835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearTickFormat(domain, m, format); 7836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch identity.copy = function() { 7838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_identity(domain); 7839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return identity; 7841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg = {}; 7843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.arc = function() { 7844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; 7845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function arc() { 7846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, 7847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a0 = a1, a1 = da), a1 - a0), df = da < π ? "0" : "1", c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1); 7848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return da >= d3_svg_arcMax ? r0 ? "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "M0," + r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + -r0 + "A" + r0 + "," + r0 + " 0 1,0 0," + r0 + "Z" : "M0," + r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + -r1 + "A" + r1 + "," + r1 + " 0 1,1 0," + r1 + "Z" : r0 ? "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L" + r0 * c1 + "," + r0 * s1 + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0 + "Z" : "M" + r1 * c0 + "," + r1 * s0 + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1 + "L0,0" + "Z"; 7849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.innerRadius = function(v) { 7851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return innerRadius; 7852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch innerRadius = d3_functor(v); 7853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arc; 7854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.outerRadius = function(v) { 7856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return outerRadius; 7857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch outerRadius = d3_functor(v); 7858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arc; 7859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.startAngle = function(v) { 7861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return startAngle; 7862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle = d3_functor(v); 7863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arc; 7864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.endAngle = function(v) { 7866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return endAngle; 7867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle = d3_functor(v); 7868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arc; 7869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch arc.centroid = function() { 7871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset; 7872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ Math.cos(a) * r, Math.sin(a) * r ]; 7873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arc; 7875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_arcOffset = -halfπ, d3_svg_arcMax = τ - ε; 7877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_arcInnerRadius(d) { 7878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.innerRadius; 7879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_arcOuterRadius(d) { 7881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.outerRadius; 7882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_arcStartAngle(d) { 7884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.startAngle; 7885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_arcEndAngle(d) { 7887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.endAngle; 7888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_line(projection) { 7890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7; 7891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function line(data) { 7892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y); 7893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function segment() { 7894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments.push("M", interpolate(projection(points), tension)); 7895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 7897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (defined.call(this, d = data[i], i)) { 7898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]); 7899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (points.length) { 7900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segment(); 7901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points = []; 7902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (points.length) segment(); 7905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return segments.length ? segments.join("") : null; 7906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.x = function(_) { 7908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x; 7909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = _; 7910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.y = function(_) { 7913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y; 7914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = _; 7915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.defined = function(_) { 7918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return defined; 7919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch defined = _; 7920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.interpolate = function(_) { 7923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return interpolateKey; 7924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; 7925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.tension = function(_) { 7928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tension; 7929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tension = _; 7930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 7933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.line = function() { 7935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_line(d3_identity); 7936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 7937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_lineInterpolators = d3.map({ 7938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear: d3_svg_lineLinear, 7939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "linear-closed": d3_svg_lineLinearClosed, 7940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch step: d3_svg_lineStep, 7941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "step-before": d3_svg_lineStepBefore, 7942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "step-after": d3_svg_lineStepAfter, 7943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch basis: d3_svg_lineBasis, 7944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "basis-open": d3_svg_lineBasisOpen, 7945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "basis-closed": d3_svg_lineBasisClosed, 7946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bundle: d3_svg_lineBundle, 7947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cardinal: d3_svg_lineCardinal, 7948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "cardinal-open": d3_svg_lineCardinalOpen, 7949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "cardinal-closed": d3_svg_lineCardinalClosed, 7950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch monotone: d3_svg_lineMonotone 7951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineInterpolators.forEach(function(key, value) { 7953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value.key = key; 7954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch value.closed = /-closed$/.test(key); 7955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 7956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineLinear(points) { 7957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points.join("L"); 7958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineLinearClosed(points) { 7960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_lineLinear(points) + "Z"; 7961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineStep(points) { 7963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; 7964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); 7965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n > 1) path.push("H", p[0]); 7966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 7967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineStepBefore(points) { 7969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; 7970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]); 7971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 7972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineStepAfter(points) { 7974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; 7975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]); 7976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 7977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineCardinalOpen(points, tension) { 7979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension)); 7980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineCardinalClosed(points, tension) { 7982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 7983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension)); 7984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineCardinal(points, tension) { 7986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension)); 7987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineHermite(points, tangents) { 7989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) { 7990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_lineLinear(points); 7991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1; 7993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (quad) { 7994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1]; 7995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = points[1]; 7996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = 2; 7997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 7998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (tangents.length > 1) { 7999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = tangents[1]; 8000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p = points[pi]; 8001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi++; 8002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; 8003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var i = 2; i < tangents.length; i++, pi++) { 8004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p = points[pi]; 8005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = tangents[i]; 8006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1]; 8007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (quad) { 8010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lp = points[pi]; 8011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1]; 8012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path; 8014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineCardinalTangents(points, tension) { 8016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length; 8017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 8018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0 = p1; 8019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p1 = p2; 8020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p2 = points[i]; 8021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]); 8022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return tangents; 8024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineBasis(points) { 8026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (points.length < 3) return d3_svg_lineLinear(points); 8027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; 8028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.push(points[n - 1]); 8029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i <= n) { 8030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = points[i]; 8031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.shift(); 8032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.push(pi[0]); 8033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.shift(); 8034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.push(pi[1]); 8035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineBasisBezier(path, px, py); 8036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points.pop(); 8038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.push("L", pi); 8039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 8040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineBasisOpen(points) { 8042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (points.length < 4) return d3_svg_lineLinear(points); 8043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ]; 8044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < 3) { 8045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = points[i]; 8046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.push(pi[0]); 8047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.push(pi[1]); 8048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)); 8050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch --i; 8051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 8052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = points[i]; 8053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.shift(); 8054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.push(pi[0]); 8055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.shift(); 8056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.push(pi[1]); 8057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineBasisBezier(path, px, py); 8058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 8060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineBasisClosed(points) { 8062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = []; 8063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < 4) { 8064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = points[i % n]; 8065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.push(pi[0]); 8066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.push(pi[1]); 8067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; 8069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch --i; 8070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < m) { 8071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pi = points[i % n]; 8072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.shift(); 8073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch px.push(pi[0]); 8074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.shift(); 8075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch py.push(pi[1]); 8076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineBasisBezier(path, px, py); 8077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return path.join(""); 8079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineBundle(points, tension) { 8081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = points.length - 1; 8082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n) { 8083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t; 8084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i <= n) { 8085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p = points[i]; 8086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch t = i / n; 8087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx); 8088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy); 8089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_lineBasis(points); 8092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineDot4(a, b) { 8094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; 8095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ]; 8097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineBasisBezier(path, x, y) { 8098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y)); 8099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineSlope(p0, p1) { 8101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (p1[1] - p0[1]) / (p1[0] - p0[0]); 8102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineFiniteDifferences(points) { 8104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1); 8105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < j) { 8106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2; 8107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m[i] = d; 8109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return m; 8110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineMonotoneTangents(points) { 8112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1; 8113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < j) { 8114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d = d3_svg_lineSlope(points[i], points[i + 1]); 8115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (abs(d) < ε) { 8116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m[i] = m[i + 1] = 0; 8117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = m[i] / d; 8119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch b = m[i + 1] / d; 8120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = a * a + b * b; 8121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (s > 9) { 8122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = d * 3 / Math.sqrt(s); 8123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m[i] = s * a; 8124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch m[i + 1] = s * b; 8125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i = -1; 8129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i <= j) { 8130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i])); 8131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tangents.push([ s || 0, m[i] * s || 0 ]); 8132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return tangents; 8134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineMonotone(points) { 8136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points)); 8137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.line.radial = function() { 8139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var line = d3_svg_line(d3_svg_lineRadial); 8140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.radius = line.x, delete line.x; 8141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch line.angle = line.y, delete line.y; 8142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return line; 8143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_lineRadial(points) { 8145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point, i = -1, n = points.length, r, a; 8146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 8147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point = points[i]; 8148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r = point[0]; 8149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a = point[1] + d3_svg_arcOffset; 8150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point[0] = r * Math.cos(a); 8151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point[1] = r * Math.sin(a); 8152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return points; 8154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_area(projection) { 8156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; 8157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function area(data) { 8158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() { 8159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x; 8160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : d3_functor(x1), fy1 = y0 === y1 ? function() { 8161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return y; 8162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : d3_functor(y1), x, y; 8163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function segment() { 8164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z"); 8165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (++i < n) { 8167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (defined.call(this, d = data[i], i)) { 8168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]); 8169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]); 8170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (points0.length) { 8171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch segment(); 8172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points0 = []; 8173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch points1 = []; 8174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (points0.length) segment(); 8177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return segments.length ? segments.join("") : null; 8178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.x = function(_) { 8180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x1; 8181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = x1 = _; 8182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.x0 = function(_) { 8185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x0; 8186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = _; 8187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.x1 = function(_) { 8190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x1; 8191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x1 = _; 8192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.y = function(_) { 8195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y1; 8196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = y1 = _; 8197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.y0 = function(_) { 8200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y0; 8201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = _; 8202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.y1 = function(_) { 8205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y1; 8206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y1 = _; 8207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.defined = function(_) { 8210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return defined; 8211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch defined = _; 8212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.interpolate = function(_) { 8215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return interpolateKey; 8216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key; 8217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch interpolateReverse = interpolate.reverse || interpolate; 8218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch L = interpolate.closed ? "M" : "L"; 8219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.tension = function(_) { 8222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tension; 8223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tension = _; 8224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter; 8229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore; 8230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.area = function() { 8231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_area(d3_identity); 8232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.area.radial = function() { 8234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var area = d3_svg_area(d3_svg_lineRadial); 8235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.radius = area.x, delete area.x; 8236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.innerRadius = area.x0, delete area.x0; 8237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.outerRadius = area.x1, delete area.x1; 8238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.angle = area.y, delete area.y; 8239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.startAngle = area.y0, delete area.y0; 8240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch area.endAngle = area.y1, delete area.y1; 8241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return area; 8242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.chord = function() { 8244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle; 8245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function chord(d, i) { 8246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i); 8247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z"; 8248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function subgroup(self, f, d, i) { 8250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset; 8251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return { 8252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r: r, 8253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a0: a0, 8254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch a1: a1, 8255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p0: [ r * Math.cos(a0), r * Math.sin(a0) ], 8256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p1: [ r * Math.cos(a1), r * Math.sin(a1) ] 8257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function equals(a, b) { 8260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a.a0 == b.a0 && a.a1 == b.a1; 8261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function arc(r, p, a) { 8263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p; 8264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function curve(r0, p0, r1, p1) { 8266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "Q 0,0 " + p1; 8267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.radius = function(v) { 8269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return radius; 8270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch radius = d3_functor(v); 8271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.source = function(v) { 8274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return source; 8275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source = d3_functor(v); 8276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8278effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.target = function(v) { 8279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return target; 8280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = d3_functor(v); 8281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8282effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.startAngle = function(v) { 8284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return startAngle; 8285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch startAngle = d3_functor(v); 8286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch chord.endAngle = function(v) { 8289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return endAngle; 8290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch endAngle = d3_functor(v); 8291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return chord; 8294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_chordRadius(d) { 8296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.radius; 8297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8298effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.diagonal = function() { 8299effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection; 8300effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function diagonal(d, i) { 8301effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, { 8302effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: p0.x, 8303effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: m 8304effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, { 8305effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: p3.x, 8306effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: m 8307effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, p3 ]; 8308effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch p = p.map(projection); 8309effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3]; 8310effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8311effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch diagonal.source = function(x) { 8312effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return source; 8313effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch source = d3_functor(x); 8314effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagonal; 8315effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8316effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch diagonal.target = function(x) { 8317effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return target; 8318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch target = d3_functor(x); 8319effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagonal; 8320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8321effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch diagonal.projection = function(x) { 8322effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return projection; 8323effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch projection = x; 8324effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagonal; 8325effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8326effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagonal; 8327effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8328effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_diagonalProjection(d) { 8329effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ d.x, d.y ]; 8330effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8331effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.diagonal.radial = function() { 8332effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection; 8333effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch diagonal.projection = function(x) { 8334effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection; 8335effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8336effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return diagonal; 8337effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8338effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_diagonalRadialProjection(projection) { 8339effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 8340effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset; 8341effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ r * Math.cos(a), r * Math.sin(a) ]; 8342effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8343effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8344effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.symbol = function() { 8345effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var type = d3_svg_symbolType, size = d3_svg_symbolSize; 8346effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function symbol(d, i) { 8347effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i)); 8348effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8349effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch symbol.type = function(x) { 8350effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return type; 8351effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type = d3_functor(x); 8352effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return symbol; 8353effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8354effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch symbol.size = function(x) { 8355effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return size; 8356effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch size = d3_functor(x); 8357effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return symbol; 8358effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8359effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return symbol; 8360effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8361effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_symbolSize() { 8362effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 64; 8363effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8364effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_symbolType() { 8365effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "circle"; 8366effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8367effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_symbolCircle(size) { 8368effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = Math.sqrt(size / π); 8369effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z"; 8370effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8371effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_symbols = d3.map({ 8372effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch circle: d3_svg_symbolCircle, 8373effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch cross: function(size) { 8374effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = Math.sqrt(size / 5) / 2; 8375effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z"; 8376effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 8377effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch diamond: function(size) { 8378effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30; 8379effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z"; 8380effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 8381effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch square: function(size) { 8382effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var r = Math.sqrt(size) / 2; 8383effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z"; 8384effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 8385effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "triangle-down": function(size) { 8386effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; 8387effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z"; 8388effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 8389effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch "triangle-up": function(size) { 8390effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2; 8391effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z"; 8392effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8393effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8394effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.symbolTypes = d3_svg_symbols.keys(); 8395effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians); 8396effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transition(groups, id) { 8397effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_subclass(groups, d3_transitionPrototype); 8398effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch groups.id = id; 8399effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return groups; 8400effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8401effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; 8402effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.call = d3_selectionPrototype.call; 8403effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.empty = d3_selectionPrototype.empty; 8404effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.node = d3_selectionPrototype.node; 8405effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.size = d3_selectionPrototype.size; 8406effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.transition = function(selection) { 8407effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition(); 8408effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8409effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.transition.prototype = d3_transitionPrototype; 8410effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.select = function(selector) { 8411effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id, subgroups = [], subgroup, subnode, node; 8412effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selector = d3_selection_selector(selector); 8413effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 8414effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 8415effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = -1, n = group.length; ++i < n; ) { 8416effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) { 8417effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ("__data__" in node) subnode.__data__ = node.__data__; 8418effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionNode(subnode, i, id, node.__transition__[id]); 8419effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(subnode); 8420effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8421effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(null); 8422effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8423effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8424effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8425effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition(subgroups, id); 8426effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8427effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.selectAll = function(selector) { 8428effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition; 8429effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selector = d3_selection_selectorAll(selector); 8430effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = -1, m = this.length; ++j < m; ) { 8431effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = -1, n = group.length; ++i < n; ) { 8432effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 8433effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition = node.__transition__[id]; 8434effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subnodes = selector.call(node, node.__data__, i, j); 8435effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 8436effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var k = -1, o = subnodes.length; ++k < o; ) { 8437effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (subnode = subnodes[k]) d3_transitionNode(subnode, k, id, transition); 8438effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(subnode); 8439effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8440effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8441effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8442effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8443effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition(subgroups, id); 8444effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8445effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.filter = function(filter) { 8446effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var subgroups = [], subgroup, group, node; 8447effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof filter !== "function") filter = d3_selection_filter(filter); 8448effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 0, m = this.length; j < m; j++) { 8449effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 8450effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = 0, n = group.length; i < n; i++) { 8451effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if ((node = group[i]) && filter.call(node, node.__data__, i, j)) { 8452effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(node); 8453effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8454effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8455effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8456effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition(subgroups, this.id); 8457effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8458effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.tween = function(name, tween) { 8459effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id; 8460effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) return this.node().__transition__[id].tween.get(name); 8461effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(this, tween == null ? function(node) { 8462effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].tween.remove(name); 8463effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : function(node) { 8464effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].tween.set(name, tween); 8465effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8466effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8467effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transition_tween(groups, name, value, tween) { 8468effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = groups.id; 8469effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { 8470effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j))); 8471effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : (value = tween(value), function(node) { 8472effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].tween.set(name, value); 8473effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })); 8474effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8475effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.attr = function(nameNS, value) { 8476effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 8477effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (value in nameNS) this.attr(value, nameNS[value]); 8478effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 8479effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8480effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); 8481effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrNull() { 8482effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeAttribute(name); 8483effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8484effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrNullNS() { 8485effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.removeAttributeNS(name.space, name.local); 8486effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8487effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrTween(b) { 8488effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b == null ? attrNull : (b += "", function() { 8489effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = this.getAttribute(name), i; 8490effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a !== b && (i = interpolate(a, b), function(t) { 8491effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttribute(name, i(t)); 8492effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8493effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8494effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8495effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrTweenNS(b) { 8496effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b == null ? attrNullNS : (b += "", function() { 8497effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = this.getAttributeNS(name.space, name.local), i; 8498effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a !== b && (i = interpolate(a, b), function(t) { 8499effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttributeNS(name.space, name.local, i(t)); 8500effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8501effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8502effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8503effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); 8504effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8505effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.attrTween = function(nameNS, tween) { 8506effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var name = d3.ns.qualify(nameNS); 8507effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrTween(d, i) { 8508effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var f = tween.call(this, d, i, this.getAttribute(name)); 8509effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f && function(t) { 8510effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttribute(name, f(t)); 8511effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8512effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8513effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function attrTweenNS(d, i) { 8514effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local)); 8515effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f && function(t) { 8516effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.setAttributeNS(name.space, name.local, f(t)); 8517effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8518effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8519effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween); 8520effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8521effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.style = function(name, value, priority) { 8522effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 8523effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 3) { 8524effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof name !== "string") { 8525effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (n < 2) value = ""; 8526effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (priority in name) this.style(priority, name[priority], value); 8527effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 8528effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8529effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch priority = ""; 8530effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8531effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleNull() { 8532effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.style.removeProperty(name); 8533effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8534effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleString(b) { 8535effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return b == null ? styleNull : (b += "", function() { 8536effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i; 8537effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return a !== b && (i = d3_interpolate(a, b), function(t) { 8538effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.style.setProperty(name, i(t), priority); 8539effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8540effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8541effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8542effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition_tween(this, "style." + name, value, styleString); 8543effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8544effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.styleTween = function(name, tween, priority) { 8545effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 3) priority = ""; 8546effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function styleTween(d, i) { 8547effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name)); 8548effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return f && function(t) { 8549effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.style.setProperty(name, f(t), priority); 8550effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8551effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8552effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.tween("style." + name, styleTween); 8553effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8554effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.text = function(value) { 8555effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition_tween(this, "text", value, d3_transition_text); 8556effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8557effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transition_text(b) { 8558effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (b == null) b = ""; 8559effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function() { 8560effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.textContent = b; 8561effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8562effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8563effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.remove = function() { 8564effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this.each("end.transition", function() { 8565effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var p; 8566effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (this.__transition__.count < 2 && (p = this.parentNode)) p.removeChild(this); 8567effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8568effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8569effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.ease = function(value) { 8570effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id; 8571effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 1) return this.node().__transition__[id].ease; 8572effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof value !== "function") value = d3.ease.apply(d3, arguments); 8573effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(this, function(node) { 8574effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].ease = value; 8575effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8576effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8577effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.delay = function(value) { 8578effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id; 8579effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 1) return this.node().__transition__[id].delay; 8580effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { 8581effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].delay = +value.call(node, node.__data__, i, j); 8582effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : (value = +value, function(node) { 8583effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].delay = value; 8584effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })); 8585effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8586effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.duration = function(value) { 8587effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id; 8588effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 1) return this.node().__transition__[id].duration; 8589effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { 8590effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j)); 8591effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : (value = Math.max(1, value), function(node) { 8592effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch node.__transition__[id].duration = value; 8593effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch })); 8594effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8595effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.each = function(type, listener) { 8596effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id = this.id; 8597effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (arguments.length < 2) { 8598effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; 8599effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionInheritId = id; 8600effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_each(this, function(node, i, j) { 8601effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionInherit = node.__transition__[id]; 8602effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type.call(node, node.__data__, i, j); 8603effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8604effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionInherit = inherit; 8605effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionInheritId = inheritId; 8606effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8607effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_selection_each(this, function(node) { 8608effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var transition = node.__transition__[id]; 8609effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch (transition.event || (transition.event = d3.dispatch("start", "end"))).on(type, listener); 8610effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8611effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8612effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return this; 8613effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8614effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionPrototype.transition = function() { 8615effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition; 8616effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var j = 0, m = this.length; j < m; j++) { 8617effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroups.push(subgroup = []); 8618effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch for (var group = this[j], i = 0, n = group.length; i < n; i++) { 8619effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (node = group[i]) { 8620effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition = Object.create(node.__transition__[id0]); 8621effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition.delay += transition.duration; 8622effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_transitionNode(node, i, id1, transition); 8623effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8624effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch subgroup.push(node); 8625effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8626effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8627effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_transition(subgroups, id1); 8628effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8629effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_transitionNode(node, i, id, inherit) { 8630effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lock = node.__transition__ || (node.__transition__ = { 8631effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch active: 0, 8632effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch count: 0 8633effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }), transition = lock[id]; 8634effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!transition) { 8635effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var time = inherit.time; 8636effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition = lock[id] = { 8637effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tween: new d3_Map(), 8638effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch time: time, 8639effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ease: inherit.ease, 8640effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch delay: inherit.delay, 8641effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch duration: inherit.duration 8642effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8643effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ++lock.count; 8644effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.timer(function(elapsed) { 8645effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d = node.__data__, ease = transition.ease, delay = transition.delay, duration = transition.duration, timer = d3_timer_active, tweened = []; 8646effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch timer.t = delay + time; 8647effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (delay <= elapsed) return start(elapsed - delay); 8648effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch timer.c = start; 8649effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function start(elapsed) { 8650effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lock.active > id) return stop(); 8651effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lock.active = id; 8652effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition.event && transition.event.start.call(node, d, i); 8653effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition.tween.forEach(function(key, value) { 8654effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (value = value.call(node, d, i)) { 8655effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tweened.push(value); 8656effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8657effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8658effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.timer(function() { 8659effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch timer.c = tick(elapsed || 1) ? d3_true : tick; 8660effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1; 8661effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 0, time); 8662effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8663effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function tick(elapsed) { 8664effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (lock.active !== id) return stop(); 8665effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var t = elapsed / duration, e = ease(t), n = tweened.length; 8666effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (n > 0) { 8667effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tweened[--n].call(node, e); 8668effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8669effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (t >= 1) { 8670effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch transition.event && transition.event.end.call(node, d, i); 8671effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return stop(); 8672effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8673effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8674effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function stop() { 8675effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (--lock.count) delete lock[id]; else delete node.__transition__; 8676effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return 1; 8677effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8678effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 0, time); 8679effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8680effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8681effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.axis = function() { 8682effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; 8683effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function axis(g) { 8684effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.each(function() { 8685effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var g = d3.select(this); 8686effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); 8687effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickTransform; 8688effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 8689effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.transition(path)); 8690effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickEnter.append("line"); 8691effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickEnter.append("text"); 8692effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"); 8693effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch switch (orient) { 8694effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "bottom": 8695effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 8696effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickTransform = d3_svg_axisX; 8697effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnter.attr("y2", innerTickSize); 8698effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textEnter.attr("y", Math.max(innerTickSize, 0) + tickPadding); 8699effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineUpdate.attr("x2", 0).attr("y2", innerTickSize); 8700effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textUpdate.attr("x", 0).attr("y", Math.max(innerTickSize, 0) + tickPadding); 8701effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch text.attr("dy", ".71em").style("text-anchor", "middle"); 8702effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize); 8703effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 8704effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8705effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 8706effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "top": 8707effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 8708effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickTransform = d3_svg_axisX; 8709effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnter.attr("y2", -innerTickSize); 8710effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textEnter.attr("y", -(Math.max(innerTickSize, 0) + tickPadding)); 8711effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineUpdate.attr("x2", 0).attr("y2", -innerTickSize); 8712effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textUpdate.attr("x", 0).attr("y", -(Math.max(innerTickSize, 0) + tickPadding)); 8713effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch text.attr("dy", "0em").style("text-anchor", "middle"); 8714effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize); 8715effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 8716effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8717effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 8718effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "left": 8719effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 8720effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickTransform = d3_svg_axisY; 8721effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnter.attr("x2", -innerTickSize); 8722effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textEnter.attr("x", -(Math.max(innerTickSize, 0) + tickPadding)); 8723effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineUpdate.attr("x2", -innerTickSize).attr("y2", 0); 8724effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textUpdate.attr("x", -(Math.max(innerTickSize, 0) + tickPadding)).attr("y", 0); 8725effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch text.attr("dy", ".32em").style("text-anchor", "end"); 8726effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize); 8727effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 8728effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8729effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 8730effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch case "right": 8731effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch { 8732effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickTransform = d3_svg_axisY; 8733effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineEnter.attr("x2", innerTickSize); 8734effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textEnter.attr("x", Math.max(innerTickSize, 0) + tickPadding); 8735effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch lineUpdate.attr("x2", innerTickSize).attr("y2", 0); 8736effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch textUpdate.attr("x", Math.max(innerTickSize, 0) + tickPadding).attr("y", 0); 8737effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch text.attr("dy", ".32em").style("text-anchor", "start"); 8738effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize); 8739effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch break; 8740effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8741effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8742effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (scale1.rangeBand) { 8743effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x = scale1, dx = x.rangeBand() / 2; 8744effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale0 = scale1 = function(d) { 8745effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x(d) + dx; 8746effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8747effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (scale0.rangeBand) { 8748effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale0 = scale1; 8749effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8750effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickExit.call(tickTransform, scale1); 8751effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8752effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickEnter.call(tickTransform, scale0); 8753effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickUpdate.call(tickTransform, scale1); 8754effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8755effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8756effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.scale = function(x) { 8757effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return scale; 8758effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale = x; 8759effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8760effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8761effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.orient = function(x) { 8762effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return orient; 8763effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient; 8764effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8765effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8766effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.ticks = function() { 8767effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tickArguments_; 8768effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickArguments_ = arguments; 8769effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8770effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8771effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.tickValues = function(x) { 8772effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tickValues; 8773effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickValues = x; 8774effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8775effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8776effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.tickFormat = function(x) { 8777effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tickFormat_; 8778effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickFormat_ = x; 8779effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8780effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8781effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.tickSize = function(x) { 8782effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var n = arguments.length; 8783effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!n) return innerTickSize; 8784effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch innerTickSize = +x; 8785effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch outerTickSize = +arguments[n - 1]; 8786effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8787effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8788effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.innerTickSize = function(x) { 8789effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return innerTickSize; 8790effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch innerTickSize = +x; 8791effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8792effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8793effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.outerTickSize = function(x) { 8794effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return outerTickSize; 8795effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch outerTickSize = +x; 8796effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8797effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8798effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.tickPadding = function(x) { 8799effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return tickPadding; 8800effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch tickPadding = +x; 8801effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8802effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8803effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch axis.tickSubdivide = function() { 8804effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return arguments.length && axis; 8805effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8806effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return axis; 8807effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8808effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { 8809effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch top: 1, 8810effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch right: 1, 8811effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch bottom: 1, 8812effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch left: 1 8813effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8814effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_axisX(selection, x) { 8815effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selection.attr("transform", function(d) { 8816effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "translate(" + x(d) + ",0)"; 8817effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8818effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8819effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_svg_axisY(selection, y) { 8820effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch selection.attr("transform", function(d) { 8821effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "translate(0," + y(d) + ")"; 8822effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8823effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8824effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.svg.brush = function() { 8825effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; 8826effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function brush(g) { 8827effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.each(function() { 8828effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); 8829effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var background = g.selectAll(".background").data([ 0 ]); 8830effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); 8831effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); 8832effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var resize = g.selectAll(".resize").data(resizes, d3_identity); 8833effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resize.exit().remove(); 8834effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resize.enter().append("g").attr("class", function(d) { 8835effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "resize " + d; 8836effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).style("cursor", function(d) { 8837effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_svg_brushCursor[d]; 8838effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).append("rect").attr("x", function(d) { 8839effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return /[ew]$/.test(d) ? -3 : null; 8840effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).attr("y", function(d) { 8841effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return /^[ns]/.test(d) ? -3 : null; 8842effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).attr("width", 6).attr("height", 6).style("visibility", "hidden"); 8843effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resize.style("display", brush.empty() ? "none" : null); 8844effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; 8845effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x) { 8846effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = d3_scaleRange(x); 8847effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); 8848effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redrawX(gUpdate); 8849effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8850effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y) { 8851effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range = d3_scaleRange(y); 8852effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); 8853effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redrawY(gUpdate); 8854effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8855effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redraw(gUpdate); 8856effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8857effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8858effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.event = function(g) { 8859effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.each(function() { 8860effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var event_ = event.of(this, arguments), extent1 = { 8861effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x: xExtent, 8862effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y: yExtent, 8863effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch i: xExtentDomain, 8864effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch j: yExtentDomain 8865effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, extent0 = this.__chart__ || extent1; 8866effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.__chart__ = extent1; 8867effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3_transitionInheritId) { 8868effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.select(this).transition().each("start.brush", function() { 8869effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtentDomain = extent0.i; 8870effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yExtentDomain = extent0.j; 8871effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtent = extent0.x; 8872effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yExtent = extent0.y; 8873effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8874effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushstart" 8875effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8876effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).tween("brush:brush", function() { 8877effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); 8878effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtentDomain = yExtentDomain = null; 8879effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return function(t) { 8880effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtent = extent1.x = xi(t); 8881effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yExtent = extent1.y = yi(t); 8882effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8883effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brush", 8884effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mode: "resize" 8885effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8886effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8887effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }).each("end.brush", function() { 8888effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtentDomain = extent1.i; 8889effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yExtentDomain = extent1.j; 8890effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8891effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brush", 8892effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mode: "resize" 8893effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8894effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8895effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushend" 8896effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8897effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8898effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8899effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8900effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushstart" 8901effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8902effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8903effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brush", 8904effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mode: "resize" 8905effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8906effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8907effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushend" 8908effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8909effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8910effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8911effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 8912effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function redraw(g) { 8913effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.selectAll(".resize").attr("transform", function(d) { 8914effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; 8915effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8916effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8917effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function redrawX(g) { 8918effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.select(".extent").attr("x", xExtent[0]); 8919effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); 8920effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8921effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function redrawY(g) { 8922effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.select(".extent").attr("y", yExtent[0]); 8923effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); 8924effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8925effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function brushstart() { 8926effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset; 8927effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup); 8928effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3.event.changedTouches) { 8929effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); 8930effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 8931effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); 8932effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8933effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.interrupt().selectAll("*").interrupt(); 8934effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dragging) { 8935effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[0] = xExtent[0] - origin[0]; 8936effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[1] = yExtent[0] - origin[1]; 8937effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (resizing) { 8938effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); 8939effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; 8940effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[0] = xExtent[ex]; 8941effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[1] = yExtent[ey]; 8942effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (d3.event.altKey) center = origin.slice(); 8943effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.style("pointer-events", "none").selectAll(".resize").style("display", null); 8944effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.select("body").style("cursor", eventTarget.style("cursor")); 8945effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8946effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushstart" 8947effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8948effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brushmove(); 8949effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function keydown() { 8950effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3.event.keyCode == 32) { 8951effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dragging) { 8952effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch center = null; 8953effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[0] -= xExtent[1]; 8954effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[1] -= yExtent[1]; 8955effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragging = 2; 8956effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8957effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_eventPreventDefault(); 8958effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8959effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8960effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function keyup() { 8961effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3.event.keyCode == 32 && dragging == 2) { 8962effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[0] += xExtent[1]; 8963effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[1] += yExtent[1]; 8964effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragging = 0; 8965effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_eventPreventDefault(); 8966effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8967effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8968effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function brushmove() { 8969effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var point = d3.mouse(target), moved = false; 8970effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (offset) { 8971effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point[0] += offset[0]; 8972effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch point[1] += offset[1]; 8973effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8974effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!dragging) { 8975effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (d3.event.altKey) { 8976effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; 8977effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[0] = xExtent[+(point[0] < center[0])]; 8978effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch origin[1] = yExtent[+(point[1] < center[1])]; 8979effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else center = null; 8980effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8981effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (resizingX && move1(point, x, 0)) { 8982effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redrawX(g); 8983effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch moved = true; 8984effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8985effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (resizingY && move1(point, y, 1)) { 8986effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redrawY(g); 8987effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch moved = true; 8988effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8989effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (moved) { 8990effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch redraw(g); 8991effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 8992effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brush", 8993effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch mode: dragging ? "move" : "resize" 8994effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 8995effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8996effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 8997effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function move1(point, scale, i) { 8998effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; 8999effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dragging) { 9000effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r0 -= position; 9001effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch r1 -= size + position; 9002effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9003effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i]; 9004effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (dragging) { 9005effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch max = (min += position) + size; 9006effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 9007effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min)); 9008effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (position < min) { 9009effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch max = min; 9010effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch min = position; 9011effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 9012effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch max = position; 9013effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9014effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9015effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (extent[0] != min || extent[1] != max) { 9016effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (i) yExtentDomain = null; else xExtentDomain = null; 9017effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent[0] = min; 9018effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch extent[1] = max; 9019effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return true; 9020effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9021effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9022effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function brushend() { 9023effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brushmove(); 9024effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null); 9025effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.select("body").style("cursor", null); 9026effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null); 9027effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch dragRestore(); 9028effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch event_({ 9029effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch type: "brushend" 9030effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9031effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9032effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9033effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.x = function(z) { 9034effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x; 9035effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x = z; 9036effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resizes = d3_svg_brushResizes[!x << 1 | !y]; 9037effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return brush; 9038effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9039effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.y = function(z) { 9040effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return y; 9041effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y = z; 9042effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch resizes = d3_svg_brushResizes[!x << 1 | !y]; 9043effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return brush; 9044effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9045effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.clamp = function(z) { 9046effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; 9047effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; 9048effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return brush; 9049effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9050effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.extent = function(z) { 9051effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var x0, x1, y0, y1, t; 9052effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) { 9053effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x) { 9054effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (xExtentDomain) { 9055effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = xExtentDomain[0], x1 = xExtentDomain[1]; 9056effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 9057effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = xExtent[0], x1 = xExtent[1]; 9058effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); 9059effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1 < x0) t = x0, x0 = x1, x1 = t; 9060effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9061effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9062effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y) { 9063effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (yExtentDomain) { 9064effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = yExtentDomain[0], y1 = yExtentDomain[1]; 9065effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 9066effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = yExtent[0], y1 = yExtent[1]; 9067effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1); 9068effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y1 < y0) t = y0, y0 = y1, y1 = t; 9069effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9070effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9071effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ]; 9072effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9073effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x) { 9074effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch x0 = z[0], x1 = z[1]; 9075effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y) x0 = x0[0], x1 = x1[0]; 9076effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtentDomain = [ x0, x1 ]; 9077effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x.invert) x0 = x(x0), x1 = x(x1); 9078effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x1 < x0) t = x0, x0 = x1, x1 = t; 9079effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; 9080effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9081effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y) { 9082effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch y0 = z[0], y1 = z[1]; 9083effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (x) y0 = y0[1], y1 = y1[1]; 9084effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch yExtentDomain = [ y0, y1 ]; 9085effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y.invert) y0 = y(y0), y1 = y(y1); 9086effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y1 < y0) t = y0, y0 = y1, y1 = t; 9087effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; 9088effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9089effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return brush; 9090effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9091effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.clear = function() { 9092effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!brush.empty()) { 9093effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; 9094effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch xExtentDomain = yExtentDomain = null; 9095effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9096effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return brush; 9097effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9098effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch brush.empty = function() { 9099effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1]; 9100effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9101effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.rebind(brush, event, "on"); 9102effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9103effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_brushCursor = { 9104effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch n: "ns-resize", 9105effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch e: "ew-resize", 9106effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch s: "ns-resize", 9107effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch w: "ew-resize", 9108effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch nw: "nwse-resize", 9109effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ne: "nesw-resize", 9110effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch se: "nwse-resize", 9111effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch sw: "nesw-resize" 9112effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9113effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ]; 9114effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; 9115effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_formatUtc = d3_time_format.utc; 9116effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ"); 9117effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso; 9118effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_formatIsoNative(date) { 9119effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.toISOString(); 9120effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9121effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_formatIsoNative.parse = function(string) { 9122effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var date = new Date(string); 9123effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return isNaN(date) ? null : date; 9124effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9125effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_formatIsoNative.toString = d3_time_formatIso.toString; 9126effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.second = d3_time_interval(function(date) { 9127effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_date(Math.floor(date / 1e3) * 1e3); 9128effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 9129effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setTime(date.getTime() + Math.floor(offset) * 1e3); 9130effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 9131effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getSeconds(); 9132effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9133effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.seconds = d3_time.second.range; 9134effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.seconds.utc = d3_time.second.utc.range; 9135effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.minute = d3_time_interval(function(date) { 9136effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_date(Math.floor(date / 6e4) * 6e4); 9137effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 9138effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setTime(date.getTime() + Math.floor(offset) * 6e4); 9139effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 9140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getMinutes(); 9141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9142effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.minutes = d3_time.minute.range; 9143effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.minutes.utc = d3_time.minute.utc.range; 9144effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.hour = d3_time_interval(function(date) { 9145effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var timezone = date.getTimezoneOffset() / 60; 9146effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5); 9147effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 9148effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setTime(date.getTime() + Math.floor(offset) * 36e5); 9149effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 9150effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getHours(); 9151effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9152effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.hours = d3_time.hour.range; 9153effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.hours.utc = d3_time.hour.utc.range; 9154effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.month = d3_time_interval(function(date) { 9155effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date = d3_time.day(date); 9156effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setDate(1); 9157effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 9158effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date, offset) { 9159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch date.setMonth(date.getMonth() + offset); 9160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, function(date) { 9161effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date.getMonth(); 9162effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9163effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.months = d3_time.month.range; 9164effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.months.utc = d3_time.month.utc.range; 9165effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_scale(linear, methods, format) { 9166effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function scale(x) { 9167effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return linear(x); 9168effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9169effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.invert = function(x) { 9170effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_scaleDate(linear.invert(x)); 9171effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9172effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.domain = function(x) { 9173effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (!arguments.length) return linear.domain().map(d3_time_scaleDate); 9174effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch linear.domain(x); 9175effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale; 9176effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9177effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function tickMethod(extent, count) { 9178effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); 9179effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { 9180effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d / 31536e6; 9181effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; 9182effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9183effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.nice = function(interval, skip) { 9184effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); 9185effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (method) interval = method[0], skip = method[1]; 9186effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function skipped(date) { 9187effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; 9188effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9189effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return scale.domain(d3_scale_nice(domain, skip > 1 ? { 9190effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floor: function(date) { 9191effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); 9192effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 9193effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 9194effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ceil: function(date) { 9195effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); 9196effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return date; 9197effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9198effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } : interval)); 9199effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9200effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.ticks = function(interval, skip) { 9201effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { 9202effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range: interval 9203effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, skip ]; 9204effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (method) interval = method[0], skip = method[1]; 9205effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); 9206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9207effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.tickFormat = function() { 9208effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return format; 9209effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9210effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scale.copy = function() { 9211effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_scale(linear.copy(), methods, format); 9212effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9213effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_scale_linearRebind(scale, linear); 9214effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9215effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_time_scaleDate(t) { 9216effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return new Date(t); 9217effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9218effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ]; 9219effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ]; 9220effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { 9221effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getMilliseconds(); 9222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ ":%S", function(d) { 9223effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getSeconds(); 9224effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%I:%M", function(d) { 9225effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getMinutes(); 9226effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%I %p", function(d) { 9227effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getHours(); 9228effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%a %d", function(d) { 9229effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getDay() && d.getDate() != 1; 9230effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%b %d", function(d) { 9231effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getDate() != 1; 9232effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%B", function(d) { 9233effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getMonth(); 9234effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%Y", d3_true ] ]); 9235effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleMilliseconds = { 9236effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range: function(start, stop, step) { 9237effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); 9238effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }, 9239effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch floor: d3_identity, 9240effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch ceil: d3_identity 9241effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9242effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_scaleLocalMethods.year = d3_time.year; 9243effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.scale = function() { 9244effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat); 9245effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9246effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) { 9247effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return [ m[0].utc, m[1] ]; 9248effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9249effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { 9250effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCMilliseconds(); 9251effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ ":%S", function(d) { 9252effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCSeconds(); 9253effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%I:%M", function(d) { 9254effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCMinutes(); 9255effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%I %p", function(d) { 9256effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCHours(); 9257effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%a %d", function(d) { 9258effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCDay() && d.getUTCDate() != 1; 9259effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%b %d", function(d) { 9260effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCDate() != 1; 9261effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%B", function(d) { 9262effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d.getUTCMonth(); 9263effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } ], [ "%Y", d3_true ] ]); 9264effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time_scaleUtcMethods.year = d3_time.year.utc; 9265effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3_time.scale.utc = function() { 9266effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); 9267effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9268effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.text = d3_xhrType(function(request) { 9269effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return request.responseText; 9270effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9271effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.json = function(url, callback) { 9272effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_xhr(url, "application/json", d3_json, callback); 9273effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9274effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_json(request) { 9275effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return JSON.parse(request.responseText); 9276effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9277effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.html = function(url, callback) { 92784ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch throw "disallowed by chromium security"; 9279effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return d3_xhr(url, "text/html", d3_html, callback); 9280effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }; 9281effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch function d3_html(request) { 92824ad1aa43a48567659193a298fad74f55e00b3dd9Ben Murdoch throw "disallowed by chromium security"; 9283effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch var range = d3_document.createRange(); 9284effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch range.selectNode(d3_document.body); 9285effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return range.createContextualFragment(request.responseText); 9286effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9287effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch d3.xml = d3_xhrType(function(request) { 9288effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return request.responseXML; 9289effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch }); 9290effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch if (typeof define === "function" && define.amd) { 9291effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch define(d3); 9292effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else if (typeof module === "object" && module.exports) { 9293effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch module.exports = d3; 9294effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } else { 9295effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch this.d3 = d3; 9296effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch } 9297effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch}();