+++ /dev/null
-d3 = function() {
- var d3 = {
- version: "3.1.5"
- };
- if (!Date.now) Date.now = function() {
- return +new Date();
- };
- var d3_document = document, d3_window = window;
- try {
- d3_document.createElement("div").style.setProperty("opacity", 0, "");
- } catch (error) {
- var d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
- d3_style_prototype.setProperty = function(name, value, priority) {
- d3_style_setProperty.call(this, name, value + "", priority);
- };
- }
- d3.ascending = function(a, b) {
- return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
- };
- d3.descending = function(a, b) {
- return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
- };
- d3.min = function(array, f) {
- var i = -1, n = array.length, a, b;
- if (arguments.length === 1) {
- while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
- while (++i < n) if ((b = array[i]) != null && a > b) a = b;
- } else {
- while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
- }
- return a;
- };
- d3.max = function(array, f) {
- var i = -1, n = array.length, a, b;
- if (arguments.length === 1) {
- while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
- while (++i < n) if ((b = array[i]) != null && b > a) a = b;
- } else {
- while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
- }
- return a;
- };
- d3.extent = function(array, f) {
- var i = -1, n = array.length, a, b, c;
- if (arguments.length === 1) {
- while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
- while (++i < n) if ((b = array[i]) != null) {
- if (a > b) a = b;
- if (c < b) c = b;
- }
- } else {
- while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
- while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
- if (a > b) a = b;
- if (c < b) c = b;
- }
- }
- return [ a, c ];
- };
- d3.sum = function(array, f) {
- var s = 0, n = array.length, a, i = -1;
- if (arguments.length === 1) {
- while (++i < n) if (!isNaN(a = +array[i])) s += a;
- } else {
- while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
- }
- return s;
- };
- function d3_number(x) {
- return x != null && !isNaN(x);
- }
- d3.mean = function(array, f) {
- var n = array.length, a, m = 0, i = -1, j = 0;
- if (arguments.length === 1) {
- while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
- } else {
- while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
- }
- return j ? m : undefined;
- };
- d3.quantile = function(values, p) {
- var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
- return e ? v + e * (values[h] - v) : v;
- };
- d3.median = function(array, f) {
- if (arguments.length > 1) array = array.map(f);
- array = array.filter(d3_number);
- return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
- };
- d3.bisector = function(f) {
- return {
- left: function(a, x, lo, hi) {
- if (arguments.length < 3) lo = 0;
- if (arguments.length < 4) hi = a.length;
- while (lo < hi) {
- var mid = lo + hi >>> 1;
- if (f.call(a, a[mid], mid) < x) lo = mid + 1; else hi = mid;
- }
- return lo;
- },
- right: function(a, x, lo, hi) {
- if (arguments.length < 3) lo = 0;
- if (arguments.length < 4) hi = a.length;
- while (lo < hi) {
- var mid = lo + hi >>> 1;
- if (x < f.call(a, a[mid], mid)) hi = mid; else lo = mid + 1;
- }
- return lo;
- }
- };
- };
- var d3_bisector = d3.bisector(function(d) {
- return d;
- });
- d3.bisectLeft = d3_bisector.left;
- d3.bisect = d3.bisectRight = d3_bisector.right;
- d3.shuffle = function(array) {
- var m = array.length, t, i;
- while (m) {
- i = Math.random() * m-- | 0;
- t = array[m], array[m] = array[i], array[i] = t;
- }
- return array;
- };
- d3.permute = function(array, indexes) {
- var permutes = [], i = -1, n = indexes.length;
- while (++i < n) permutes[i] = array[indexes[i]];
- return permutes;
- };
- d3.zip = function() {
- if (!(n = arguments.length)) return [];
- for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
- for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
- zip[j] = arguments[j][i];
- }
- }
- return zips;
- };
- function d3_zipLength(d) {
- return d.length;
- }
- d3.transpose = function(matrix) {
- return d3.zip.apply(d3, matrix);
- };
- d3.keys = function(map) {
- var keys = [];
- for (var key in map) keys.push(key);
- return keys;
- };
- d3.values = function(map) {
- var values = [];
- for (var key in map) values.push(map[key]);
- return values;
- };
- d3.entries = function(map) {
- var entries = [];
- for (var key in map) entries.push({
- key: key,
- value: map[key]
- });
- return entries;
- };
- d3.merge = function(arrays) {
- return Array.prototype.concat.apply([], arrays);
- };
- d3.range = function(start, stop, step) {
- if (arguments.length < 3) {
- step = 1;
- if (arguments.length < 2) {
- stop = start;
- start = 0;
- }
- }
- if ((stop - start) / step === Infinity) throw new Error("infinite range");
- var range = [], k = d3_range_integerScale(Math.abs(step)), i = -1, j;
- start *= k, stop *= k, step *= k;
- if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
- return range;
- };
- function d3_range_integerScale(x) {
- var k = 1;
- while (x * k % 1) k *= 10;
- return k;
- }
- function d3_class(ctor, properties) {
- try {
- for (var key in properties) {
- Object.defineProperty(ctor.prototype, key, {
- value: properties[key],
- enumerable: false
- });
- }
- } catch (e) {
- ctor.prototype = properties;
- }
- }
- d3.map = function(object) {
- var map = new d3_Map();
- for (var key in object) map.set(key, object[key]);
- return map;
- };
- function d3_Map() {}
- d3_class(d3_Map, {
- has: function(key) {
- return d3_map_prefix + key in this;
- },
- get: function(key) {
- return this[d3_map_prefix + key];
- },
- set: function(key, value) {
- return this[d3_map_prefix + key] = value;
- },
- remove: function(key) {
- key = d3_map_prefix + key;
- return key in this && delete this[key];
- },
- keys: function() {
- var keys = [];
- this.forEach(function(key) {
- keys.push(key);
- });
- return keys;
- },
- values: function() {
- var values = [];
- this.forEach(function(key, value) {
- values.push(value);
- });
- return values;
- },
- entries: function() {
- var entries = [];
- this.forEach(function(key, value) {
- entries.push({
- key: key,
- value: value
- });
- });
- return entries;
- },
- forEach: function(f) {
- for (var key in this) {
- if (key.charCodeAt(0) === d3_map_prefixCode) {
- f.call(this, key.substring(1), this[key]);
- }
- }
- }
- });
- var d3_map_prefix = "\0", d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
- d3.nest = function() {
- var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
- function map(mapType, array, depth) {
- if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
- var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
- while (++i < n) {
- if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
- values.push(object);
- } else {
- valuesByKey.set(keyValue, [ object ]);
- }
- }
- if (mapType) {
- object = mapType();
- setter = function(keyValue, values) {
- object.set(keyValue, map(mapType, values, depth));
- };
- } else {
- object = {};
- setter = function(keyValue, values) {
- object[keyValue] = map(mapType, values, depth);
- };
- }
- valuesByKey.forEach(setter);
- return object;
- }
- function entries(map, depth) {
- if (depth >= keys.length) return map;
- var array = [], sortKey = sortKeys[depth++];
- map.forEach(function(key, keyMap) {
- array.push({
- key: key,
- values: entries(keyMap, depth)
- });
- });
- return sortKey ? array.sort(function(a, b) {
- return sortKey(a.key, b.key);
- }) : array;
- }
- nest.map = function(array, mapType) {
- return map(mapType, array, 0);
- };
- nest.entries = function(array) {
- return entries(map(d3.map, array, 0), 0);
- };
- nest.key = function(d) {
- keys.push(d);
- return nest;
- };
- nest.sortKeys = function(order) {
- sortKeys[keys.length - 1] = order;
- return nest;
- };
- nest.sortValues = function(order) {
- sortValues = order;
- return nest;
- };
- nest.rollup = function(f) {
- rollup = f;
- return nest;
- };
- return nest;
- };
- d3.set = function(array) {
- var set = new d3_Set();
- if (array) for (var i = 0; i < array.length; i++) set.add(array[i]);
- return set;
- };
- function d3_Set() {}
- d3_class(d3_Set, {
- has: function(value) {
- return d3_map_prefix + value in this;
- },
- add: function(value) {
- this[d3_map_prefix + value] = true;
- return value;
- },
- remove: function(value) {
- value = d3_map_prefix + value;
- return value in this && delete this[value];
- },
- values: function() {
- var values = [];
- this.forEach(function(value) {
- values.push(value);
- });
- return values;
- },
- forEach: function(f) {
- for (var value in this) {
- if (value.charCodeAt(0) === d3_map_prefixCode) {
- f.call(this, value.substring(1));
- }
- }
- }
- });
- d3.behavior = {};
- d3.rebind = function(target, source) {
- var i = 1, n = arguments.length, method;
- while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
- return target;
- };
- function d3_rebind(target, source, method) {
- return function() {
- var value = method.apply(source, arguments);
- return value === source ? target : value;
- };
- }
- d3.dispatch = function() {
- var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
- while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
- return dispatch;
- };
- function d3_dispatch() {}
- d3_dispatch.prototype.on = function(type, listener) {
- var i = type.indexOf("."), name = "";
- if (i >= 0) {
- name = type.substring(i + 1);
- type = type.substring(0, i);
- }
- if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
- if (arguments.length === 2) {
- if (listener == null) for (type in this) {
- if (this.hasOwnProperty(type)) this[type].on(name, null);
- }
- return this;
- }
- };
- function d3_dispatch_event(dispatch) {
- var listeners = [], listenerByName = new d3_Map();
- function event() {
- var z = listeners, i = -1, n = z.length, l;
- while (++i < n) if (l = z[i].on) l.apply(this, arguments);
- return dispatch;
- }
- event.on = function(name, listener) {
- var l = listenerByName.get(name), i;
- if (arguments.length < 2) return l && l.on;
- if (l) {
- l.on = null;
- listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
- listenerByName.remove(name);
- }
- if (listener) listeners.push(listenerByName.set(name, {
- on: listener
- }));
- return dispatch;
- };
- return event;
- }
- d3.event = null;
- function d3_eventCancel() {
- d3.event.stopPropagation();
- d3.event.preventDefault();
- }
- function d3_eventSource() {
- var e = d3.event, s;
- while (s = e.sourceEvent) e = s;
- return e;
- }
- function d3_eventSuppress(target, type) {
- function off() {
- target.on(type, null);
- }
- target.on(type, function() {
- d3_eventCancel();
- off();
- }, true);
- setTimeout(off, 0);
- }
- function d3_eventDispatch(target) {
- var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
- while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
- dispatch.of = function(thiz, argumentz) {
- return function(e1) {
- try {
- var e0 = e1.sourceEvent = d3.event;
- e1.target = target;
- d3.event = e1;
- dispatch[e1.type].apply(thiz, argumentz);
- } finally {
- d3.event = e0;
- }
- };
- };
- return dispatch;
- }
- d3.mouse = function(container) {
- return d3_mousePoint(container, d3_eventSource());
- };
- var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
- function d3_mousePoint(container, e) {
- var svg = container.ownerSVGElement || container;
- if (svg.createSVGPoint) {
- var point = svg.createSVGPoint();
- if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
- svg = d3.select(d3_document.body).append("svg").style("position", "absolute").style("top", 0).style("left", 0);
- var ctm = svg[0][0].getScreenCTM();
- d3_mouse_bug44083 = !(ctm.f || ctm.e);
- svg.remove();
- }
- if (d3_mouse_bug44083) {
- point.x = e.pageX;
- point.y = e.pageY;
- } else {
- point.x = e.clientX;
- point.y = e.clientY;
- }
- point = point.matrixTransform(container.getScreenCTM().inverse());
- return [ point.x, point.y ];
- }
- var rect = container.getBoundingClientRect();
- return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
- }
- var d3_array = d3_arraySlice;
- function d3_arrayCopy(pseudoarray) {
- var i = -1, n = pseudoarray.length, array = [];
- while (++i < n) array.push(pseudoarray[i]);
- return array;
- }
- function d3_arraySlice(pseudoarray) {
- return Array.prototype.slice.call(pseudoarray);
- }
- try {
- d3_array(d3_document.documentElement.childNodes)[0].nodeType;
- } catch (e) {
- d3_array = d3_arrayCopy;
- }
- var d3_arraySubclass = [].__proto__ ? function(array, prototype) {
- array.__proto__ = prototype;
- } : function(array, prototype) {
- for (var property in prototype) array[property] = prototype[property];
- };
- d3.touches = function(container, touches) {
- if (arguments.length < 2) touches = d3_eventSource().touches;
- return touches ? d3_array(touches).map(function(touch) {
- var point = d3_mousePoint(container, touch);
- point.identifier = touch.identifier;
- return point;
- }) : [];
- };
- d3.behavior.drag = function() {
- var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null;
- function drag() {
- this.on("mousedown.drag", mousedown).on("touchstart.drag", mousedown);
- }
- function mousedown() {
- var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0;
- var w = d3.select(d3_window).on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", dragmove).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", dragend, true);
- if (origin) {
- offset = origin.apply(target, arguments);
- offset = [ offset.x - origin_[0], offset.y - origin_[1] ];
- } else {
- offset = [ 0, 0 ];
- }
- if (touchId == null) d3_eventCancel();
- event_({
- type: "dragstart"
- });
- function point() {
- var p = target.parentNode;
- return touchId != null ? d3.touches(p).filter(function(p) {
- return p.identifier === touchId;
- })[0] : d3.mouse(p);
- }
- function dragmove() {
- if (!target.parentNode) return dragend();
- var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
- moved |= dx | dy;
- origin_ = p;
- d3_eventCancel();
- event_({
- type: "drag",
- x: p[0] + offset[0],
- y: p[1] + offset[1],
- dx: dx,
- dy: dy
- });
- }
- function dragend() {
- event_({
- type: "dragend"
- });
- if (moved) {
- d3_eventCancel();
- if (d3.event.target === eventTarget) d3_eventSuppress(w, "click");
- }
- w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null);
- }
- }
- drag.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- return drag;
- };
- return d3.rebind(drag, event, "on");
- };
- function d3_selection(groups) {
- d3_arraySubclass(groups, d3_selectionPrototype);
- return groups;
- }
- var d3_select = function(s, n) {
- return n.querySelector(s);
- }, d3_selectAll = function(s, n) {
- return n.querySelectorAll(s);
- }, d3_selectRoot = d3_document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function(n, s) {
- return d3_selectMatcher.call(n, s);
- };
- if (typeof Sizzle === "function") {
- d3_select = function(s, n) {
- return Sizzle(s, n)[0] || null;
- };
- d3_selectAll = function(s, n) {
- return Sizzle.uniqueSort(Sizzle(s, n));
- };
- d3_selectMatches = Sizzle.matchesSelector;
- }
- var d3_selectionPrototype = [];
- d3.selection = function() {
- return d3_selectionRoot;
- };
- d3.selection.prototype = d3_selectionPrototype;
- d3_selectionPrototype.select = function(selector) {
- var subgroups = [], subgroup, subnode, group, node;
- if (typeof selector !== "function") selector = d3_selection_selector(selector);
- for (var j = -1, m = this.length; ++j < m; ) {
- subgroups.push(subgroup = []);
- subgroup.parentNode = (group = this[j]).parentNode;
- for (var i = -1, n = group.length; ++i < n; ) {
- if (node = group[i]) {
- subgroup.push(subnode = selector.call(node, node.__data__, i));
- if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
- } else {
- subgroup.push(null);
- }
- }
- }
- return d3_selection(subgroups);
- };
- function d3_selection_selector(selector) {
- return function() {
- return d3_select(selector, this);
- };
- }
- d3_selectionPrototype.selectAll = function(selector) {
- var subgroups = [], subgroup, node;
- if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
- for (var j = -1, m = this.length; ++j < m; ) {
- for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
- if (node = group[i]) {
- subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
- subgroup.parentNode = node;
- }
- }
- }
- return d3_selection(subgroups);
- };
- function d3_selection_selectorAll(selector) {
- return function() {
- return d3_selectAll(selector, this);
- };
- }
- var d3_nsPrefix = {
- svg: "http://www.w3.org/2000/svg",
- xhtml: "http://www.w3.org/1999/xhtml",
- xlink: "http://www.w3.org/1999/xlink",
- xml: "http://www.w3.org/XML/1998/namespace",
- xmlns: "http://www.w3.org/2000/xmlns/"
- };
- d3.ns = {
- prefix: d3_nsPrefix,
- qualify: function(name) {
- var i = name.indexOf(":"), prefix = name;
- if (i >= 0) {
- prefix = name.substring(0, i);
- name = name.substring(i + 1);
- }
- return d3_nsPrefix.hasOwnProperty(prefix) ? {
- space: d3_nsPrefix[prefix],
- local: name
- } : name;
- }
- };
- d3_selectionPrototype.attr = function(name, value) {
- if (arguments.length < 2) {
- if (typeof name === "string") {
- var node = this.node();
- name = d3.ns.qualify(name);
- return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
- }
- for (value in name) this.each(d3_selection_attr(value, name[value]));
- return this;
- }
- return this.each(d3_selection_attr(name, value));
- };
- function d3_selection_attr(name, value) {
- name = d3.ns.qualify(name);
- function attrNull() {
- this.removeAttribute(name);
- }
- function attrNullNS() {
- this.removeAttributeNS(name.space, name.local);
- }
- function attrConstant() {
- this.setAttribute(name, value);
- }
- function attrConstantNS() {
- this.setAttributeNS(name.space, name.local, value);
- }
- function attrFunction() {
- var x = value.apply(this, arguments);
- if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
- }
- function attrFunctionNS() {
- var x = value.apply(this, arguments);
- if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
- }
- return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
- }
- function d3_collapse(s) {
- return s.trim().replace(/\s+/g, " ");
- }
- d3.requote = function(s) {
- return s.replace(d3_requote_re, "\\$&");
- };
- var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
- d3_selectionPrototype.classed = function(name, value) {
- if (arguments.length < 2) {
- if (typeof name === "string") {
- var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
- if (value = node.classList) {
- while (++i < n) if (!value.contains(name[i])) return false;
- } else {
- value = node.getAttribute("class");
- while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
- }
- return true;
- }
- for (value in name) this.each(d3_selection_classed(value, name[value]));
- return this;
- }
- return this.each(d3_selection_classed(name, value));
- };
- function d3_selection_classedRe(name) {
- return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
- }
- function d3_selection_classed(name, value) {
- name = name.trim().split(/\s+/).map(d3_selection_classedName);
- var n = name.length;
- function classedConstant() {
- var i = -1;
- while (++i < n) name[i](this, value);
- }
- function classedFunction() {
- var i = -1, x = value.apply(this, arguments);
- while (++i < n) name[i](this, x);
- }
- return typeof value === "function" ? classedFunction : classedConstant;
- }
- function d3_selection_classedName(name) {
- var re = d3_selection_classedRe(name);
- return function(node, value) {
- if (c = node.classList) return value ? c.add(name) : c.remove(name);
- var c = node.getAttribute("class") || "";
- if (value) {
- re.lastIndex = 0;
- if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
- } else {
- node.setAttribute("class", d3_collapse(c.replace(re, " ")));
- }
- };
- }
- d3_selectionPrototype.style = function(name, value, priority) {
- var n = arguments.length;
- if (n < 3) {
- if (typeof name !== "string") {
- if (n < 2) value = "";
- for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
- return this;
- }
- if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
- priority = "";
- }
- return this.each(d3_selection_style(name, value, priority));
- };
- function d3_selection_style(name, value, priority) {
- function styleNull() {
- this.style.removeProperty(name);
- }
- function styleConstant() {
- this.style.setProperty(name, value, priority);
- }
- function styleFunction() {
- var x = value.apply(this, arguments);
- if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
- }
- return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
- }
- d3_selectionPrototype.property = function(name, value) {
- if (arguments.length < 2) {
- if (typeof name === "string") return this.node()[name];
- for (value in name) this.each(d3_selection_property(value, name[value]));
- return this;
- }
- return this.each(d3_selection_property(name, value));
- };
- function d3_selection_property(name, value) {
- function propertyNull() {
- delete this[name];
- }
- function propertyConstant() {
- this[name] = value;
- }
- function propertyFunction() {
- var x = value.apply(this, arguments);
- if (x == null) delete this[name]; else this[name] = x;
- }
- return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
- }
- d3_selectionPrototype.text = function(value) {
- return arguments.length ? this.each(typeof value === "function" ? function() {
- var v = value.apply(this, arguments);
- this.textContent = v == null ? "" : v;
- } : value == null ? function() {
- this.textContent = "";
- } : function() {
- this.textContent = value;
- }) : this.node().textContent;
- };
- d3_selectionPrototype.html = function(value) {
- return arguments.length ? this.each(typeof value === "function" ? function() {
- var v = value.apply(this, arguments);
- this.innerHTML = v == null ? "" : v;
- } : value == null ? function() {
- this.innerHTML = "";
- } : function() {
- this.innerHTML = value;
- }) : this.node().innerHTML;
- };
- d3_selectionPrototype.append = function(name) {
- name = d3.ns.qualify(name);
- function append() {
- return this.appendChild(d3_document.createElementNS(this.namespaceURI, name));
- }
- function appendNS() {
- return this.appendChild(d3_document.createElementNS(name.space, name.local));
- }
- return this.select(name.local ? appendNS : append);
- };
- d3_selectionPrototype.insert = function(name, before) {
- name = d3.ns.qualify(name);
- if (typeof before !== "function") before = d3_selection_selector(before);
- function insert(d, i) {
- return this.insertBefore(d3_document.createElementNS(this.namespaceURI, name), before.call(this, d, i));
- }
- function insertNS(d, i) {
- return this.insertBefore(d3_document.createElementNS(name.space, name.local), before.call(this, d, i));
- }
- return this.select(name.local ? insertNS : insert);
- };
- d3_selectionPrototype.remove = function() {
- return this.each(function() {
- var parent = this.parentNode;
- if (parent) parent.removeChild(this);
- });
- };
- d3_selectionPrototype.data = function(value, key) {
- var i = -1, n = this.length, group, node;
- if (!arguments.length) {
- value = new Array(n = (group = this[0]).length);
- while (++i < n) {
- if (node = group[i]) {
- value[i] = node.__data__;
- }
- }
- return value;
- }
- function bind(group, groupData) {
- 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;
- if (key) {
- var nodeByKeyValue = new d3_Map(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue;
- for (i = -1; ++i < n; ) {
- keyValue = key.call(node = group[i], node.__data__, i);
- if (nodeByKeyValue.has(keyValue)) {
- exitNodes[i] = node;
- } else {
- nodeByKeyValue.set(keyValue, node);
- }
- keyValues.push(keyValue);
- }
- for (i = -1; ++i < m; ) {
- keyValue = key.call(groupData, nodeData = groupData[i], i);
- if (node = nodeByKeyValue.get(keyValue)) {
- updateNodes[i] = node;
- node.__data__ = nodeData;
- } else if (!dataByKeyValue.has(keyValue)) {
- enterNodes[i] = d3_selection_dataNode(nodeData);
- }
- dataByKeyValue.set(keyValue, nodeData);
- nodeByKeyValue.remove(keyValue);
- }
- for (i = -1; ++i < n; ) {
- if (nodeByKeyValue.has(keyValues[i])) {
- exitNodes[i] = group[i];
- }
- }
- } else {
- for (i = -1; ++i < n0; ) {
- node = group[i];
- nodeData = groupData[i];
- if (node) {
- node.__data__ = nodeData;
- updateNodes[i] = node;
- } else {
- enterNodes[i] = d3_selection_dataNode(nodeData);
- }
- }
- for (;i < m; ++i) {
- enterNodes[i] = d3_selection_dataNode(groupData[i]);
- }
- for (;i < n; ++i) {
- exitNodes[i] = group[i];
- }
- }
- enterNodes.update = updateNodes;
- enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
- enter.push(enterNodes);
- update.push(updateNodes);
- exit.push(exitNodes);
- }
- var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
- if (typeof value === "function") {
- while (++i < n) {
- bind(group = this[i], value.call(group, group.parentNode.__data__, i));
- }
- } else {
- while (++i < n) {
- bind(group = this[i], value);
- }
- }
- update.enter = function() {
- return enter;
- };
- update.exit = function() {
- return exit;
- };
- return update;
- };
- function d3_selection_dataNode(data) {
- return {
- __data__: data
- };
- }
- d3_selectionPrototype.datum = function(value) {
- return arguments.length ? this.property("__data__", value) : this.property("__data__");
- };
- d3_selectionPrototype.filter = function(filter) {
- var subgroups = [], subgroup, group, node;
- if (typeof filter !== "function") filter = d3_selection_filter(filter);
- for (var j = 0, m = this.length; j < m; j++) {
- subgroups.push(subgroup = []);
- subgroup.parentNode = (group = this[j]).parentNode;
- for (var i = 0, n = group.length; i < n; i++) {
- if ((node = group[i]) && filter.call(node, node.__data__, i)) {
- subgroup.push(node);
- }
- }
- }
- return d3_selection(subgroups);
- };
- function d3_selection_filter(selector) {
- return function() {
- return d3_selectMatches(this, selector);
- };
- }
- d3_selectionPrototype.order = function() {
- for (var j = -1, m = this.length; ++j < m; ) {
- for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
- if (node = group[i]) {
- if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
- next = node;
- }
- }
- }
- return this;
- };
- d3_selectionPrototype.sort = function(comparator) {
- comparator = d3_selection_sortComparator.apply(this, arguments);
- for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
- return this.order();
- };
- function d3_selection_sortComparator(comparator) {
- if (!arguments.length) comparator = d3.ascending;
- return function(a, b) {
- return !a - !b || comparator(a.__data__, b.__data__);
- };
- }
- function d3_noop() {}
- d3_selectionPrototype.on = function(type, listener, capture) {
- var n = arguments.length;
- if (n < 3) {
- if (typeof type !== "string") {
- if (n < 2) listener = false;
- for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
- return this;
- }
- if (n < 2) return (n = this.node()["__on" + type]) && n._;
- capture = false;
- }
- return this.each(d3_selection_on(type, listener, capture));
- };
- function d3_selection_on(type, listener, capture) {
- var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
- if (i > 0) type = type.substring(0, i);
- var filter = d3_selection_onFilters.get(type);
- if (filter) type = filter, wrap = d3_selection_onFilter;
- function onRemove() {
- var l = this[name];
- if (l) {
- this.removeEventListener(type, l, l.$);
- delete this[name];
- }
- }
- function onAdd() {
- var l = wrap(listener, d3_array(arguments));
- onRemove.call(this);
- this.addEventListener(type, this[name] = l, l.$ = capture);
- l._ = listener;
- }
- function removeAll() {
- var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
- for (var name in this) {
- if (match = name.match(re)) {
- var l = this[name];
- this.removeEventListener(match[1], l, l.$);
- delete this[name];
- }
- }
- }
- return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
- }
- var d3_selection_onFilters = d3.map({
- mouseenter: "mouseover",
- mouseleave: "mouseout"
- });
- d3_selection_onFilters.forEach(function(k) {
- if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
- });
- function d3_selection_onListener(listener, argumentz) {
- return function(e) {
- var o = d3.event;
- d3.event = e;
- argumentz[0] = this.__data__;
- try {
- listener.apply(this, argumentz);
- } finally {
- d3.event = o;
- }
- };
- }
- function d3_selection_onFilter(listener, argumentz) {
- var l = d3_selection_onListener(listener, argumentz);
- return function(e) {
- var target = this, related = e.relatedTarget;
- if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
- l.call(target, e);
- }
- };
- }
- d3_selectionPrototype.each = function(callback) {
- return d3_selection_each(this, function(node, i, j) {
- callback.call(node, node.__data__, i, j);
- });
- };
- function d3_selection_each(groups, callback) {
- for (var j = 0, m = groups.length; j < m; j++) {
- for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
- if (node = group[i]) callback(node, i, j);
- }
- }
- return groups;
- }
- d3_selectionPrototype.call = function(callback) {
- var args = d3_array(arguments);
- callback.apply(args[0] = this, args);
- return this;
- };
- d3_selectionPrototype.empty = function() {
- return !this.node();
- };
- d3_selectionPrototype.node = function() {
- for (var j = 0, m = this.length; j < m; j++) {
- for (var group = this[j], i = 0, n = group.length; i < n; i++) {
- var node = group[i];
- if (node) return node;
- }
- }
- return null;
- };
- function d3_selection_enter(selection) {
- d3_arraySubclass(selection, d3_selection_enterPrototype);
- return selection;
- }
- var d3_selection_enterPrototype = [];
- d3.selection.enter = d3_selection_enter;
- d3.selection.enter.prototype = d3_selection_enterPrototype;
- d3_selection_enterPrototype.append = d3_selectionPrototype.append;
- d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
- d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
- d3_selection_enterPrototype.node = d3_selectionPrototype.node;
- d3_selection_enterPrototype.select = function(selector) {
- var subgroups = [], subgroup, subnode, upgroup, group, node;
- for (var j = -1, m = this.length; ++j < m; ) {
- upgroup = (group = this[j]).update;
- subgroups.push(subgroup = []);
- subgroup.parentNode = group.parentNode;
- for (var i = -1, n = group.length; ++i < n; ) {
- if (node = group[i]) {
- subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
- subnode.__data__ = node.__data__;
- } else {
- subgroup.push(null);
- }
- }
- }
- return d3_selection(subgroups);
- };
- d3_selectionPrototype.transition = function() {
- var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit);
- transition.time = Date.now();
- for (var j = -1, m = this.length; ++j < m; ) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
- if (node = group[i]) d3_transitionNode(node, i, id, transition);
- subgroup.push(node);
- }
- }
- return d3_transition(subgroups, id);
- };
- var d3_selectionRoot = d3_selection([ [ d3_document ] ]);
- d3_selectionRoot[0].parentNode = d3_selectRoot;
- d3.select = function(selector) {
- return typeof selector === "string" ? d3_selectionRoot.select(selector) : d3_selection([ [ selector ] ]);
- };
- d3.selectAll = function(selector) {
- return typeof selector === "string" ? d3_selectionRoot.selectAll(selector) : d3_selection([ d3_array(selector) ]);
- };
- d3.behavior.zoom = function() {
- var translate = [ 0, 0 ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, "zoom"), x0, x1, y0, y1, touchtime;
- function zoom() {
- this.on("mousedown.zoom", mousedown).on("mousemove.zoom", mousemove).on(d3_behavior_zoomWheel + ".zoom", mousewheel).on("dblclick.zoom", dblclick).on("touchstart.zoom", touchstart).on("touchmove.zoom", touchmove).on("touchend.zoom", touchstart);
- }
- zoom.translate = function(x) {
- if (!arguments.length) return translate;
- translate = x.map(Number);
- rescale();
- return zoom;
- };
- zoom.scale = function(x) {
- if (!arguments.length) return scale;
- scale = +x;
- rescale();
- return zoom;
- };
- zoom.scaleExtent = function(x) {
- if (!arguments.length) return scaleExtent;
- scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
- return zoom;
- };
- zoom.x = function(z) {
- if (!arguments.length) return x1;
- x1 = z;
- x0 = z.copy();
- translate = [ 0, 0 ];
- scale = 1;
- return zoom;
- };
- zoom.y = function(z) {
- if (!arguments.length) return y1;
- y1 = z;
- y0 = z.copy();
- translate = [ 0, 0 ];
- scale = 1;
- return zoom;
- };
- function location(p) {
- return [ (p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale ];
- }
- function point(l) {
- return [ l[0] * scale + translate[0], l[1] * scale + translate[1] ];
- }
- function scaleTo(s) {
- scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
- }
- function translateTo(p, l) {
- l = point(l);
- translate[0] += p[0] - l[0];
- translate[1] += p[1] - l[1];
- }
- function rescale() {
- if (x1) x1.domain(x0.range().map(function(x) {
- return (x - translate[0]) / scale;
- }).map(x0.invert));
- if (y1) y1.domain(y0.range().map(function(y) {
- return (y - translate[1]) / scale;
- }).map(y0.invert));
- }
- function dispatch(event) {
- rescale();
- d3.event.preventDefault();
- event({
- type: "zoom",
- scale: scale,
- translate: translate
- });
- }
- function mousedown() {
- var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(d3_window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup), l = location(d3.mouse(target));
- d3_window.focus();
- d3_eventCancel();
- function mousemove() {
- moved = 1;
- translateTo(d3.mouse(target), l);
- dispatch(event_);
- }
- function mouseup() {
- if (moved) d3_eventCancel();
- w.on("mousemove.zoom", null).on("mouseup.zoom", null);
- if (moved && d3.event.target === eventTarget) d3_eventSuppress(w, "click.zoom");
- }
- }
- function mousewheel() {
- if (!translate0) translate0 = location(d3.mouse(this));
- scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
- translateTo(d3.mouse(this), translate0);
- dispatch(event.of(this, arguments));
- }
- function mousemove() {
- translate0 = null;
- }
- function dblclick() {
- var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2;
- scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
- translateTo(p, l);
- dispatch(event.of(this, arguments));
- }
- function touchstart() {
- var touches = d3.touches(this), now = Date.now();
- scale0 = scale;
- translate0 = {};
- touches.forEach(function(t) {
- translate0[t.identifier] = location(t);
- });
- d3_eventCancel();
- if (touches.length === 1) {
- if (now - touchtime < 500) {
- var p = touches[0], l = location(touches[0]);
- scaleTo(scale * 2);
- translateTo(p, l);
- dispatch(event.of(this, arguments));
- }
- touchtime = now;
- }
- }
- function touchmove() {
- var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
- if (p1 = touches[1]) {
- var p1, l1 = translate0[p1.identifier];
- p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
- l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
- scaleTo(d3.event.scale * scale0);
- }
- translateTo(p0, l0);
- touchtime = null;
- dispatch(event.of(this, arguments));
- }
- return d3.rebind(zoom, event, "on");
- };
- var d3_behavior_zoomInfinity = [ 0, Infinity ];
- var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
- return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
- }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
- return d3.event.wheelDelta;
- }, "mousewheel") : (d3_behavior_zoomDelta = function() {
- return -d3.event.detail;
- }, "MozMousePixelScroll");
- function d3_Color() {}
- d3_Color.prototype.toString = function() {
- return this.rgb() + "";
- };
- d3.hsl = function(h, s, l) {
- 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);
- };
- function d3_hsl(h, s, l) {
- return new d3_Hsl(h, s, l);
- }
- function d3_Hsl(h, s, l) {
- this.h = h;
- this.s = s;
- this.l = l;
- }
- var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
- d3_hslPrototype.brighter = function(k) {
- k = Math.pow(.7, arguments.length ? k : 1);
- return d3_hsl(this.h, this.s, this.l / k);
- };
- d3_hslPrototype.darker = function(k) {
- k = Math.pow(.7, arguments.length ? k : 1);
- return d3_hsl(this.h, this.s, k * this.l);
- };
- d3_hslPrototype.rgb = function() {
- return d3_hsl_rgb(this.h, this.s, this.l);
- };
- function d3_hsl_rgb(h, s, l) {
- var m1, m2;
- h = h % 360;
- if (h < 0) h += 360;
- s = s < 0 ? 0 : s > 1 ? 1 : s;
- l = l < 0 ? 0 : l > 1 ? 1 : l;
- m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
- m1 = 2 * l - m2;
- function v(h) {
- if (h > 360) h -= 360; else if (h < 0) h += 360;
- if (h < 60) return m1 + (m2 - m1) * h / 60;
- if (h < 180) return m2;
- if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
- return m1;
- }
- function vv(h) {
- return Math.round(v(h) * 255);
- }
- return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
- }
- var π = Math.PI, ε = 1e-6, d3_radians = π / 180, d3_degrees = 180 / π;
- function d3_sgn(x) {
- return x > 0 ? 1 : x < 0 ? -1 : 0;
- }
- function d3_acos(x) {
- return Math.acos(Math.max(-1, Math.min(1, x)));
- }
- function d3_asin(x) {
- return x > 1 ? π / 2 : x < -1 ? -π / 2 : Math.asin(x);
- }
- function d3_sinh(x) {
- return (Math.exp(x) - Math.exp(-x)) / 2;
- }
- function d3_cosh(x) {
- return (Math.exp(x) + Math.exp(-x)) / 2;
- }
- function d3_haversin(x) {
- return (x = Math.sin(x / 2)) * x;
- }
- d3.hcl = function(h, c, l) {
- 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);
- };
- function d3_hcl(h, c, l) {
- return new d3_Hcl(h, c, l);
- }
- function d3_Hcl(h, c, l) {
- this.h = h;
- this.c = c;
- this.l = l;
- }
- var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
- d3_hclPrototype.brighter = function(k) {
- return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
- };
- d3_hclPrototype.darker = function(k) {
- return d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
- };
- d3_hclPrototype.rgb = function() {
- return d3_hcl_lab(this.h, this.c, this.l).rgb();
- };
- function d3_hcl_lab(h, c, l) {
- return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
- }
- d3.lab = function(l, a, b) {
- 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);
- };
- function d3_lab(l, a, b) {
- return new d3_Lab(l, a, b);
- }
- function d3_Lab(l, a, b) {
- this.l = l;
- this.a = a;
- this.b = b;
- }
- var d3_lab_K = 18;
- var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
- var d3_labPrototype = d3_Lab.prototype = new d3_Color();
- d3_labPrototype.brighter = function(k) {
- return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
- };
- d3_labPrototype.darker = function(k) {
- return d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
- };
- d3_labPrototype.rgb = function() {
- return d3_lab_rgb(this.l, this.a, this.b);
- };
- function d3_lab_rgb(l, a, b) {
- var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
- x = d3_lab_xyz(x) * d3_lab_X;
- y = d3_lab_xyz(y) * d3_lab_Y;
- z = d3_lab_xyz(z) * d3_lab_Z;
- 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));
- }
- function d3_lab_hcl(l, a, b) {
- return d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l);
- }
- function d3_lab_xyz(x) {
- return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
- }
- function d3_xyz_lab(x) {
- return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
- }
- function d3_xyz_rgb(r) {
- return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
- }
- d3.rgb = function(r, g, b) {
- 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);
- };
- function d3_rgb(r, g, b) {
- return new d3_Rgb(r, g, b);
- }
- function d3_Rgb(r, g, b) {
- this.r = r;
- this.g = g;
- this.b = b;
- }
- var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
- d3_rgbPrototype.brighter = function(k) {
- k = Math.pow(.7, arguments.length ? k : 1);
- var r = this.r, g = this.g, b = this.b, i = 30;
- if (!r && !g && !b) return d3_rgb(i, i, i);
- if (r && r < i) r = i;
- if (g && g < i) g = i;
- if (b && b < i) b = i;
- return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
- };
- d3_rgbPrototype.darker = function(k) {
- k = Math.pow(.7, arguments.length ? k : 1);
- return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(k * this.b));
- };
- d3_rgbPrototype.hsl = function() {
- return d3_rgb_hsl(this.r, this.g, this.b);
- };
- d3_rgbPrototype.toString = function() {
- return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
- };
- function d3_rgb_hex(v) {
- return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
- }
- function d3_rgb_parse(format, rgb, hsl) {
- var r = 0, g = 0, b = 0, m1, m2, name;
- m1 = /([a-z]+)\((.*)\)/i.exec(format);
- if (m1) {
- m2 = m1[2].split(",");
- switch (m1[1]) {
- case "hsl":
- {
- return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
- }
-
- case "rgb":
- {
- return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
- }
- }
- }
- if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
- if (format != null && format.charAt(0) === "#") {
- if (format.length === 4) {
- r = format.charAt(1);
- r += r;
- g = format.charAt(2);
- g += g;
- b = format.charAt(3);
- b += b;
- } else if (format.length === 7) {
- r = format.substring(1, 3);
- g = format.substring(3, 5);
- b = format.substring(5, 7);
- }
- r = parseInt(r, 16);
- g = parseInt(g, 16);
- b = parseInt(b, 16);
- }
- return rgb(r, g, b);
- }
- function d3_rgb_hsl(r, g, b) {
- 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;
- if (d) {
- s = l < .5 ? d / (max + min) : d / (2 - max - min);
- 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;
- h *= 60;
- } else {
- s = h = 0;
- }
- return d3_hsl(h, s, l);
- }
- function d3_rgb_lab(r, g, b) {
- r = d3_rgb_xyz(r);
- g = d3_rgb_xyz(g);
- b = d3_rgb_xyz(b);
- 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);
- return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
- }
- function d3_rgb_xyz(r) {
- return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
- }
- function d3_rgb_parseNumber(c) {
- var f = parseFloat(c);
- return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
- }
- var d3_rgb_names = d3.map({
- aliceblue: "#f0f8ff",
- antiquewhite: "#faebd7",
- aqua: "#00ffff",
- aquamarine: "#7fffd4",
- azure: "#f0ffff",
- beige: "#f5f5dc",
- bisque: "#ffe4c4",
- black: "#000000",
- blanchedalmond: "#ffebcd",
- blue: "#0000ff",
- blueviolet: "#8a2be2",
- brown: "#a52a2a",
- burlywood: "#deb887",
- cadetblue: "#5f9ea0",
- chartreuse: "#7fff00",
- chocolate: "#d2691e",
- coral: "#ff7f50",
- cornflowerblue: "#6495ed",
- cornsilk: "#fff8dc",
- crimson: "#dc143c",
- cyan: "#00ffff",
- darkblue: "#00008b",
- darkcyan: "#008b8b",
- darkgoldenrod: "#b8860b",
- darkgray: "#a9a9a9",
- darkgreen: "#006400",
- darkgrey: "#a9a9a9",
- darkkhaki: "#bdb76b",
- darkmagenta: "#8b008b",
- darkolivegreen: "#556b2f",
- darkorange: "#ff8c00",
- darkorchid: "#9932cc",
- darkred: "#8b0000",
- darksalmon: "#e9967a",
- darkseagreen: "#8fbc8f",
- darkslateblue: "#483d8b",
- darkslategray: "#2f4f4f",
- darkslategrey: "#2f4f4f",
- darkturquoise: "#00ced1",
- darkviolet: "#9400d3",
- deeppink: "#ff1493",
- deepskyblue: "#00bfff",
- dimgray: "#696969",
- dimgrey: "#696969",
- dodgerblue: "#1e90ff",
- firebrick: "#b22222",
- floralwhite: "#fffaf0",
- forestgreen: "#228b22",
- fuchsia: "#ff00ff",
- gainsboro: "#dcdcdc",
- ghostwhite: "#f8f8ff",
- gold: "#ffd700",
- goldenrod: "#daa520",
- gray: "#808080",
- green: "#008000",
- greenyellow: "#adff2f",
- grey: "#808080",
- honeydew: "#f0fff0",
- hotpink: "#ff69b4",
- indianred: "#cd5c5c",
- indigo: "#4b0082",
- ivory: "#fffff0",
- khaki: "#f0e68c",
- lavender: "#e6e6fa",
- lavenderblush: "#fff0f5",
- lawngreen: "#7cfc00",
- lemonchiffon: "#fffacd",
- lightblue: "#add8e6",
- lightcoral: "#f08080",
- lightcyan: "#e0ffff",
- lightgoldenrodyellow: "#fafad2",
- lightgray: "#d3d3d3",
- lightgreen: "#90ee90",
- lightgrey: "#d3d3d3",
- lightpink: "#ffb6c1",
- lightsalmon: "#ffa07a",
- lightseagreen: "#20b2aa",
- lightskyblue: "#87cefa",
- lightslategray: "#778899",
- lightslategrey: "#778899",
- lightsteelblue: "#b0c4de",
- lightyellow: "#ffffe0",
- lime: "#00ff00",
- limegreen: "#32cd32",
- linen: "#faf0e6",
- magenta: "#ff00ff",
- maroon: "#800000",
- mediumaquamarine: "#66cdaa",
- mediumblue: "#0000cd",
- mediumorchid: "#ba55d3",
- mediumpurple: "#9370db",
- mediumseagreen: "#3cb371",
- mediumslateblue: "#7b68ee",
- mediumspringgreen: "#00fa9a",
- mediumturquoise: "#48d1cc",
- mediumvioletred: "#c71585",
- midnightblue: "#191970",
- mintcream: "#f5fffa",
- mistyrose: "#ffe4e1",
- moccasin: "#ffe4b5",
- navajowhite: "#ffdead",
- navy: "#000080",
- oldlace: "#fdf5e6",
- olive: "#808000",
- olivedrab: "#6b8e23",
- orange: "#ffa500",
- orangered: "#ff4500",
- orchid: "#da70d6",
- palegoldenrod: "#eee8aa",
- palegreen: "#98fb98",
- paleturquoise: "#afeeee",
- palevioletred: "#db7093",
- papayawhip: "#ffefd5",
- peachpuff: "#ffdab9",
- peru: "#cd853f",
- pink: "#ffc0cb",
- plum: "#dda0dd",
- powderblue: "#b0e0e6",
- purple: "#800080",
- red: "#ff0000",
- rosybrown: "#bc8f8f",
- royalblue: "#4169e1",
- saddlebrown: "#8b4513",
- salmon: "#fa8072",
- sandybrown: "#f4a460",
- seagreen: "#2e8b57",
- seashell: "#fff5ee",
- sienna: "#a0522d",
- silver: "#c0c0c0",
- skyblue: "#87ceeb",
- slateblue: "#6a5acd",
- slategray: "#708090",
- slategrey: "#708090",
- snow: "#fffafa",
- springgreen: "#00ff7f",
- steelblue: "#4682b4",
- tan: "#d2b48c",
- teal: "#008080",
- thistle: "#d8bfd8",
- tomato: "#ff6347",
- turquoise: "#40e0d0",
- violet: "#ee82ee",
- wheat: "#f5deb3",
- white: "#ffffff",
- whitesmoke: "#f5f5f5",
- yellow: "#ffff00",
- yellowgreen: "#9acd32"
- });
- d3_rgb_names.forEach(function(key, value) {
- d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
- });
- function d3_functor(v) {
- return typeof v === "function" ? v : function() {
- return v;
- };
- }
- d3.functor = d3_functor;
- function d3_identity(d) {
- return d;
- }
- d3.xhr = function(url, mimeType, callback) {
- var xhr = {}, dispatch = d3.dispatch("progress", "load", "error"), headers = {}, response = d3_identity, request = new (d3_window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
- "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
- request.readyState > 3 && respond();
- };
- function respond() {
- var s = request.status;
- !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : dispatch.error.call(xhr, request);
- }
- request.onprogress = function(event) {
- var o = d3.event;
- d3.event = event;
- try {
- dispatch.progress.call(xhr, request);
- } finally {
- d3.event = o;
- }
- };
- xhr.header = function(name, value) {
- name = (name + "").toLowerCase();
- if (arguments.length < 2) return headers[name];
- if (value == null) delete headers[name]; else headers[name] = value + "";
- return xhr;
- };
- xhr.mimeType = function(value) {
- if (!arguments.length) return mimeType;
- mimeType = value == null ? null : value + "";
- return xhr;
- };
- xhr.response = function(value) {
- response = value;
- return xhr;
- };
- [ "get", "post" ].forEach(function(method) {
- xhr[method] = function() {
- return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
- };
- });
- xhr.send = function(method, data, callback) {
- if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
- request.open(method, url, true);
- if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
- if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
- if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
- if (callback != null) xhr.on("error", callback).on("load", function(request) {
- callback(null, request);
- });
- request.send(data == null ? null : data);
- return xhr;
- };
- xhr.abort = function() {
- request.abort();
- return xhr;
- };
- d3.rebind(xhr, dispatch, "on");
- if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,
- mimeType = null;
- return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
- };
- function d3_xhr_fixCallback(callback) {
- return callback.length === 1 ? function(error, request) {
- callback(error == null ? request : null);
- } : callback;
- }
- function d3_dsv(delimiter, mimeType) {
- var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
- function dsv(url, row, callback) {
- if (arguments.length < 3) callback = row, row = null;
- var xhr = d3.xhr(url, mimeType, callback);
- xhr.row = function(_) {
- return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
- };
- return xhr.row(row);
- }
- function response(request) {
- return dsv.parse(request.responseText);
- }
- function typedResponse(f) {
- return function(request) {
- return dsv.parse(request.responseText, f);
- };
- }
- dsv.parse = function(text, f) {
- var o;
- return dsv.parseRows(text, function(row, i) {
- if (o) return o(row, i - 1);
- var a = new Function("d", "return {" + row.map(function(name, i) {
- return JSON.stringify(name) + ": d[" + i + "]";
- }).join(",") + "}");
- o = f ? function(row, i) {
- return f(a(row), i);
- } : a;
- });
- };
- dsv.parseRows = function(text, f) {
- var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
- function token() {
- if (I >= N) return EOF;
- if (eol) return eol = false, EOL;
- var j = I;
- if (text.charCodeAt(j) === 34) {
- var i = j;
- while (i++ < N) {
- if (text.charCodeAt(i) === 34) {
- if (text.charCodeAt(i + 1) !== 34) break;
- ++i;
- }
- }
- I = i + 2;
- var c = text.charCodeAt(i + 1);
- if (c === 13) {
- eol = true;
- if (text.charCodeAt(i + 2) === 10) ++I;
- } else if (c === 10) {
- eol = true;
- }
- return text.substring(j + 1, i).replace(/""/g, '"');
- }
- while (I < N) {
- var c = text.charCodeAt(I++), k = 1;
- if (c === 10) eol = true; else if (c === 13) {
- eol = true;
- if (text.charCodeAt(I) === 10) ++I, ++k;
- } else if (c !== delimiterCode) continue;
- return text.substring(j, I - k);
- }
- return text.substring(j);
- }
- while ((t = token()) !== EOF) {
- var a = [];
- while (t !== EOL && t !== EOF) {
- a.push(t);
- t = token();
- }
- if (f && !(a = f(a, n++))) continue;
- rows.push(a);
- }
- return rows;
- };
- dsv.format = function(rows) {
- if (Array.isArray(rows[0])) return dsv.formatRows(rows);
- var fieldSet = new d3_Set(), fields = [];
- rows.forEach(function(row) {
- for (var field in row) {
- if (!fieldSet.has(field)) {
- fields.push(fieldSet.add(field));
- }
- }
- });
- return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
- return fields.map(function(field) {
- return formatValue(row[field]);
- }).join(delimiter);
- })).join("\n");
- };
- dsv.formatRows = function(rows) {
- return rows.map(formatRow).join("\n");
- };
- function formatRow(row) {
- return row.map(formatValue).join(delimiter);
- }
- function formatValue(text) {
- return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
- }
- return dsv;
- }
- d3.csv = d3_dsv(",", "text/csv");
- d3.tsv = d3_dsv(" ", "text/tab-separated-values");
- var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
- d3.timer = function(callback, delay, then) {
- if (arguments.length < 3) {
- if (arguments.length < 2) delay = 0; else if (!isFinite(delay)) return;
- then = Date.now();
- }
- var timer = d3_timer_byId[callback.id];
- if (timer && timer.callback === callback) {
- timer.then = then;
- timer.delay = delay;
- } else d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = {
- callback: callback,
- then: then,
- delay: delay,
- next: d3_timer_queue
- };
- if (!d3_timer_interval) {
- d3_timer_timeout = clearTimeout(d3_timer_timeout);
- d3_timer_interval = 1;
- d3_timer_frame(d3_timer_step);
- }
- };
- function d3_timer_step() {
- var elapsed, now = Date.now(), t1 = d3_timer_queue;
- while (t1) {
- elapsed = now - t1.then;
- if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
- t1 = t1.next;
- }
- var delay = d3_timer_flush() - now;
- if (delay > 24) {
- if (isFinite(delay)) {
- clearTimeout(d3_timer_timeout);
- d3_timer_timeout = setTimeout(d3_timer_step, delay);
- }
- d3_timer_interval = 0;
- } else {
- d3_timer_interval = 1;
- d3_timer_frame(d3_timer_step);
- }
- }
- d3.timer.flush = function() {
- var elapsed, now = Date.now(), t1 = d3_timer_queue;
- while (t1) {
- elapsed = now - t1.then;
- if (!t1.delay) t1.flush = t1.callback(elapsed);
- t1 = t1.next;
- }
- d3_timer_flush();
- };
- function d3_timer_flush() {
- var t0 = null, t1 = d3_timer_queue, then = Infinity;
- while (t1) {
- if (t1.flush) {
- delete d3_timer_byId[t1.callback.id];
- t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
- } else {
- then = Math.min(then, t1.then + t1.delay);
- t1 = (t0 = t1).next;
- }
- }
- return then;
- }
- var d3_timer_frame = d3_window.requestAnimationFrame || d3_window.webkitRequestAnimationFrame || d3_window.mozRequestAnimationFrame || d3_window.oRequestAnimationFrame || d3_window.msRequestAnimationFrame || function(callback) {
- setTimeout(callback, 17);
- };
- var d3_format_decimalPoint = ".", d3_format_thousandsSeparator = ",", d3_format_grouping = [ 3, 3 ];
- var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
- d3.formatPrefix = function(value, precision) {
- var i = 0;
- if (value) {
- if (value < 0) value *= -1;
- if (precision) value = d3.round(value, d3_format_precision(value, precision));
- i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
- i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
- }
- return d3_formatPrefixes[8 + i / 3];
- };
- function d3_formatPrefix(d, i) {
- var k = Math.pow(10, Math.abs(8 - i) * 3);
- return {
- scale: i > 8 ? function(d) {
- return d / k;
- } : function(d) {
- return d * k;
- },
- symbol: d
- };
- }
- d3.round = function(x, n) {
- return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
- };
- d3.format = function(specifier) {
- var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "", basePrefix = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = "", integer = false;
- if (precision) precision = +precision.substring(1);
- if (zfill || fill === "0" && align === "=") {
- zfill = fill = "0";
- align = "=";
- if (comma) width -= Math.floor((width - 1) / 4);
- }
- switch (type) {
- case "n":
- comma = true;
- type = "g";
- break;
-
- case "%":
- scale = 100;
- suffix = "%";
- type = "f";
- break;
-
- case "p":
- scale = 100;
- suffix = "%";
- type = "r";
- break;
-
- case "b":
- case "o":
- case "x":
- case "X":
- if (basePrefix) basePrefix = "0" + type.toLowerCase();
-
- case "c":
- case "d":
- integer = true;
- precision = 0;
- break;
-
- case "s":
- scale = -1;
- type = "r";
- break;
- }
- if (basePrefix === "#") basePrefix = "";
- if (type == "r" && !precision) type = "g";
- if (precision != null) {
- 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));
- }
- type = d3_format_types.get(type) || d3_format_typeDefault;
- var zcomma = zfill && comma;
- return function(value) {
- if (integer && value % 1) return "";
- var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign;
- if (scale < 0) {
- var prefix = d3.formatPrefix(value, precision);
- value = prefix.scale(value);
- suffix = prefix.symbol;
- } else {
- value *= scale;
- }
- value = type(value, precision);
- if (!zfill && comma) value = d3_format_group(value);
- var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
- if (zcomma) value = d3_format_group(padding + value);
- if (d3_format_decimalPoint) value.replace(".", d3_format_decimalPoint);
- negative += basePrefix;
- 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)) + suffix;
- };
- };
- var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
- var d3_format_types = d3.map({
- b: function(x) {
- return x.toString(2);
- },
- c: function(x) {
- return String.fromCharCode(x);
- },
- o: function(x) {
- return x.toString(8);
- },
- x: function(x) {
- return x.toString(16);
- },
- X: function(x) {
- return x.toString(16).toUpperCase();
- },
- g: function(x, p) {
- return x.toPrecision(p);
- },
- e: function(x, p) {
- return x.toExponential(p);
- },
- f: function(x, p) {
- return x.toFixed(p);
- },
- r: function(x, p) {
- 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))));
- }
- });
- function d3_format_precision(x, p) {
- return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
- }
- function d3_format_typeDefault(x) {
- return x + "";
- }
- var d3_format_group = d3_identity;
- if (d3_format_grouping) {
- var d3_format_groupingLength = d3_format_grouping.length;
- d3_format_group = function(value) {
- var i = value.lastIndexOf("."), f = i >= 0 ? "." + value.substring(i + 1) : (i = value.length,
- ""), t = [], j = 0, g = d3_format_grouping[0];
- while (i > 0 && g > 0) {
- t.push(value.substring(i -= g, i + g));
- g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
- }
- return t.reverse().join(d3_format_thousandsSeparator || "") + f;
- };
- }
- d3.geo = {};
- d3.geo.stream = function(object, listener) {
- if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
- d3_geo_streamObjectType[object.type](object, listener);
- } else {
- d3_geo_streamGeometry(object, listener);
- }
- };
- function d3_geo_streamGeometry(geometry, listener) {
- if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
- d3_geo_streamGeometryType[geometry.type](geometry, listener);
- }
- }
- var d3_geo_streamObjectType = {
- Feature: function(feature, listener) {
- d3_geo_streamGeometry(feature.geometry, listener);
- },
- FeatureCollection: function(object, listener) {
- var features = object.features, i = -1, n = features.length;
- while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
- }
- };
- var d3_geo_streamGeometryType = {
- Sphere: function(object, listener) {
- listener.sphere();
- },
- Point: function(object, listener) {
- var coordinate = object.coordinates;
- listener.point(coordinate[0], coordinate[1]);
- },
- MultiPoint: function(object, listener) {
- var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate;
- while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
- },
- LineString: function(object, listener) {
- d3_geo_streamLine(object.coordinates, listener, 0);
- },
- MultiLineString: function(object, listener) {
- var coordinates = object.coordinates, i = -1, n = coordinates.length;
- while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
- },
- Polygon: function(object, listener) {
- d3_geo_streamPolygon(object.coordinates, listener);
- },
- MultiPolygon: function(object, listener) {
- var coordinates = object.coordinates, i = -1, n = coordinates.length;
- while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
- },
- GeometryCollection: function(object, listener) {
- var geometries = object.geometries, i = -1, n = geometries.length;
- while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
- }
- };
- function d3_geo_streamLine(coordinates, listener, closed) {
- var i = -1, n = coordinates.length - closed, coordinate;
- listener.lineStart();
- while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
- listener.lineEnd();
- }
- function d3_geo_streamPolygon(coordinates, listener) {
- var i = -1, n = coordinates.length;
- listener.polygonStart();
- while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
- listener.polygonEnd();
- }
- d3.geo.area = function(object) {
- d3_geo_areaSum = 0;
- d3.geo.stream(object, d3_geo_area);
- return d3_geo_areaSum;
- };
- var d3_geo_areaSum, d3_geo_areaRingU, d3_geo_areaRingV;
- var d3_geo_area = {
- sphere: function() {
- d3_geo_areaSum += 4 * π;
- },
- point: d3_noop,
- lineStart: d3_noop,
- lineEnd: d3_noop,
- polygonStart: function() {
- d3_geo_areaRingU = 1, d3_geo_areaRingV = 0;
- d3_geo_area.lineStart = d3_geo_areaRingStart;
- },
- polygonEnd: function() {
- var area = 2 * Math.atan2(d3_geo_areaRingV, d3_geo_areaRingU);
- d3_geo_areaSum += area < 0 ? 4 * π + area : area;
- d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
- }
- };
- function d3_geo_areaRingStart() {
- var λ00, φ00, λ0, cosφ0, sinφ0;
- d3_geo_area.point = function(λ, φ) {
- d3_geo_area.point = nextPoint;
- λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4),
- sinφ0 = Math.sin(φ);
- };
- function nextPoint(λ, φ) {
- λ *= d3_radians;
- φ = φ * d3_radians / 2 + π / 4;
- var dλ = λ - λ0, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u0 = d3_geo_areaRingU, v0 = d3_geo_areaRingV, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ);
- d3_geo_areaRingU = u0 * u - v0 * v;
- d3_geo_areaRingV = v0 * u + u0 * v;
- λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
- }
- d3_geo_area.lineEnd = function() {
- nextPoint(λ00, φ00);
- };
- }
- d3.geo.bounds = d3_geo_bounds(d3_identity);
- function d3_geo_bounds(projectStream) {
- var x0, y0, x1, y1;
- var bound = {
- point: boundPoint,
- lineStart: d3_noop,
- lineEnd: d3_noop,
- polygonStart: function() {
- bound.lineEnd = boundPolygonLineEnd;
- },
- polygonEnd: function() {
- bound.point = boundPoint;
- }
- };
- function boundPoint(x, y) {
- if (x < x0) x0 = x;
- if (x > x1) x1 = x;
- if (y < y0) y0 = y;
- if (y > y1) y1 = y;
- }
- function boundPolygonLineEnd() {
- bound.point = bound.lineEnd = d3_noop;
- }
- return function(feature) {
- y1 = x1 = -(x0 = y0 = Infinity);
- d3.geo.stream(feature, projectStream(bound));
- return [ [ x0, y0 ], [ x1, y1 ] ];
- };
- }
- d3.geo.centroid = function(object) {
- d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- d3.geo.stream(object, d3_geo_centroid);
- var m;
- if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) {
- return [ Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees, Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees ];
- }
- };
- var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ;
- var d3_geo_centroid = {
- sphere: function() {
- if (d3_geo_centroidDimension < 2) {
- d3_geo_centroidDimension = 2;
- d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- }
- },
- point: d3_geo_centroidPoint,
- lineStart: d3_geo_centroidLineStart,
- lineEnd: d3_geo_centroidLineEnd,
- polygonStart: function() {
- if (d3_geo_centroidDimension < 2) {
- d3_geo_centroidDimension = 2;
- d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- }
- d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
- },
- polygonEnd: function() {
- d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
- }
- };
- function d3_geo_centroidPoint(λ, φ) {
- if (d3_geo_centroidDimension) return;
- ++d3_geo_centroidW;
- λ *= d3_radians;
- var cosφ = Math.cos(φ *= d3_radians);
- d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW;
- d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW;
- d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW;
- }
- function d3_geo_centroidRingStart() {
- var λ00, φ00;
- d3_geo_centroidDimension = 1;
- d3_geo_centroidLineStart();
- d3_geo_centroidDimension = 2;
- var linePoint = d3_geo_centroid.point;
- d3_geo_centroid.point = function(λ, φ) {
- linePoint(λ00 = λ, φ00 = φ);
- };
- d3_geo_centroid.lineEnd = function() {
- d3_geo_centroid.point(λ00, φ00);
- d3_geo_centroidLineEnd();
- d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
- };
- }
- function d3_geo_centroidLineStart() {
- var x0, y0, z0;
- if (d3_geo_centroidDimension > 1) return;
- if (d3_geo_centroidDimension < 1) {
- d3_geo_centroidDimension = 1;
- d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- }
- d3_geo_centroid.point = function(λ, φ) {
- λ *= d3_radians;
- var cosφ = Math.cos(φ *= d3_radians);
- x0 = cosφ * Math.cos(λ);
- y0 = cosφ * Math.sin(λ);
- z0 = Math.sin(φ);
- d3_geo_centroid.point = nextPoint;
- };
- function nextPoint(λ, φ) {
- λ *= d3_radians;
- 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);
- d3_geo_centroidW += w;
- d3_geo_centroidX += w * (x0 + (x0 = x));
- d3_geo_centroidY += w * (y0 + (y0 = y));
- d3_geo_centroidZ += w * (z0 + (z0 = z));
- }
- }
- function d3_geo_centroidLineEnd() {
- d3_geo_centroid.point = d3_geo_centroidPoint;
- }
- function d3_geo_cartesian(spherical) {
- var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
- return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
- }
- function d3_geo_cartesianDot(a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
- }
- function d3_geo_cartesianCross(a, b) {
- 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] ];
- }
- function d3_geo_cartesianAdd(a, b) {
- a[0] += b[0];
- a[1] += b[1];
- a[2] += b[2];
- }
- function d3_geo_cartesianScale(vector, k) {
- return [ vector[0] * k, vector[1] * k, vector[2] * k ];
- }
- function d3_geo_cartesianNormalize(d) {
- var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
- d[0] /= l;
- d[1] /= l;
- d[2] /= l;
- }
- function d3_true() {
- return true;
- }
- function d3_geo_spherical(cartesian) {
- return [ Math.atan2(cartesian[1], cartesian[0]), Math.asin(Math.max(-1, Math.min(1, cartesian[2]))) ];
- }
- function d3_geo_sphericalEqual(a, b) {
- return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε;
- }
- function d3_geo_clipPolygon(segments, compare, inside, interpolate, listener) {
- var subject = [], clip = [];
- segments.forEach(function(segment) {
- if ((n = segment.length - 1) <= 0) return;
- var n, p0 = segment[0], p1 = segment[n];
- if (d3_geo_sphericalEqual(p0, p1)) {
- listener.lineStart();
- for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
- listener.lineEnd();
- return;
- }
- var a = {
- point: p0,
- points: segment,
- other: null,
- visited: false,
- entry: true,
- subject: true
- }, b = {
- point: p0,
- points: [ p0 ],
- other: a,
- visited: false,
- entry: false,
- subject: false
- };
- a.other = b;
- subject.push(a);
- clip.push(b);
- a = {
- point: p1,
- points: [ p1 ],
- other: null,
- visited: false,
- entry: false,
- subject: true
- };
- b = {
- point: p1,
- points: [ p1 ],
- other: a,
- visited: false,
- entry: true,
- subject: false
- };
- a.other = b;
- subject.push(a);
- clip.push(b);
- });
- clip.sort(compare);
- d3_geo_clipPolygonLinkCircular(subject);
- d3_geo_clipPolygonLinkCircular(clip);
- if (!subject.length) return;
- if (inside) for (var i = 1, e = !inside(clip[0].point), n = clip.length; i < n; ++i) {
- clip[i].entry = e = !e;
- }
- var start = subject[0], current, points, point;
- while (1) {
- current = start;
- while (current.visited) if ((current = current.next) === start) return;
- points = current.points;
- listener.lineStart();
- do {
- current.visited = current.other.visited = true;
- if (current.entry) {
- if (current.subject) {
- for (var i = 0; i < points.length; i++) listener.point((point = points[i])[0], point[1]);
- } else {
- interpolate(current.point, current.next.point, 1, listener);
- }
- current = current.next;
- } else {
- if (current.subject) {
- points = current.prev.points;
- for (var i = points.length; --i >= 0; ) listener.point((point = points[i])[0], point[1]);
- } else {
- interpolate(current.point, current.prev.point, -1, listener);
- }
- current = current.prev;
- }
- current = current.other;
- points = current.points;
- } while (!current.visited);
- listener.lineEnd();
- }
- }
- function d3_geo_clipPolygonLinkCircular(array) {
- if (!(n = array.length)) return;
- var n, i = 0, a = array[0], b;
- while (++i < n) {
- a.next = b = array[i];
- b.prev = a;
- a = b;
- }
- a.next = b = array[0];
- b.prev = a;
- }
- function d3_geo_clip(pointVisible, clipLine, interpolate) {
- return function(listener) {
- var line = clipLine(listener);
- var clip = {
- point: point,
- lineStart: lineStart,
- lineEnd: lineEnd,
- polygonStart: function() {
- clip.point = pointRing;
- clip.lineStart = ringStart;
- clip.lineEnd = ringEnd;
- invisible = false;
- invisibleArea = visibleArea = 0;
- segments = [];
- listener.polygonStart();
- },
- polygonEnd: function() {
- clip.point = point;
- clip.lineStart = lineStart;
- clip.lineEnd = lineEnd;
- segments = d3.merge(segments);
- if (segments.length) {
- d3_geo_clipPolygon(segments, d3_geo_clipSort, null, interpolate, listener);
- } else if (visibleArea < -ε || invisible && invisibleArea < -ε) {
- listener.lineStart();
- interpolate(null, null, 1, listener);
- listener.lineEnd();
- }
- listener.polygonEnd();
- segments = null;
- },
- sphere: function() {
- listener.polygonStart();
- listener.lineStart();
- interpolate(null, null, 1, listener);
- listener.lineEnd();
- listener.polygonEnd();
- }
- };
- function point(λ, φ) {
- if (pointVisible(λ, φ)) listener.point(λ, φ);
- }
- function pointLine(λ, φ) {
- line.point(λ, φ);
- }
- function lineStart() {
- clip.point = pointLine;
- line.lineStart();
- }
- function lineEnd() {
- clip.point = point;
- line.lineEnd();
- }
- var segments, visibleArea, invisibleArea, invisible;
- var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), ring;
- function pointRing(λ, φ) {
- ringListener.point(λ, φ);
- ring.push([ λ, φ ]);
- }
- function ringStart() {
- ringListener.lineStart();
- ring = [];
- }
- function ringEnd() {
- pointRing(ring[0][0], ring[0][1]);
- ringListener.lineEnd();
- var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
- if (!n) {
- invisible = true;
- invisibleArea += d3_geo_clipAreaRing(ring, -1);
- ring = null;
- return;
- }
- ring = null;
- if (clean & 1) {
- segment = ringSegments[0];
- visibleArea += d3_geo_clipAreaRing(segment, 1);
- var n = segment.length - 1, i = -1, point;
- listener.lineStart();
- while (++i < n) listener.point((point = segment[i])[0], point[1]);
- listener.lineEnd();
- return;
- }
- if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
- segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
- }
- return clip;
- };
- }
- function d3_geo_clipSegmentLength1(segment) {
- return segment.length > 1;
- }
- function d3_geo_clipBufferListener() {
- var lines = [], line;
- return {
- lineStart: function() {
- lines.push(line = []);
- },
- point: function(λ, φ) {
- line.push([ λ, φ ]);
- },
- lineEnd: d3_noop,
- buffer: function() {
- var buffer = lines;
- lines = [];
- line = null;
- return buffer;
- },
- rejoin: function() {
- if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
- }
- };
- }
- function d3_geo_clipAreaRing(ring, invisible) {
- if (!(n = ring.length)) return 0;
- var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y;
- while (++i < n) {
- p = ring[i];
- cosφ = Math.cos(φ = p[1]);
- x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ));
- y = 1 - invisible * Math.cos(λ) * cosφ;
- if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε) continue;
- if (Math.abs(y) < ε || Math.abs(y0) < ε) {} else if (Math.abs(Math.abs(x - x0) - π) < ε) {
- if (y + y0 > 2) area += 4 * (x - x0);
- } else if (Math.abs(y0 - 2) < ε) area += 4 * (x - x1); else area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y);
- x1 = x0, x0 = x, y0 = y;
- }
- return area;
- }
- function d3_geo_clipSort(a, b) {
- return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]);
- }
- var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate);
- function d3_geo_clipAntimeridianLine(listener) {
- var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
- return {
- lineStart: function() {
- listener.lineStart();
- clean = 1;
- },
- point: function(λ1, φ1) {
- var sλ1 = λ1 > 0 ? π : -π, dλ = Math.abs(λ1 - λ0);
- if (Math.abs(dλ - π) < ε) {
- listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
- listener.point(sλ0, φ0);
- listener.lineEnd();
- listener.lineStart();
- listener.point(sλ1, φ0);
- listener.point(λ1, φ0);
- clean = 0;
- } else if (sλ0 !== sλ1 && dλ >= π) {
- if (Math.abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
- if (Math.abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
- φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
- listener.point(sλ0, φ0);
- listener.lineEnd();
- listener.lineStart();
- listener.point(sλ1, φ0);
- clean = 0;
- }
- listener.point(λ0 = λ1, φ0 = φ1);
- sλ0 = sλ1;
- },
- lineEnd: function() {
- listener.lineEnd();
- λ0 = φ0 = NaN;
- },
- clean: function() {
- return 2 - clean;
- }
- };
- }
- function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
- var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
- return Math.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;
- }
- function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
- var φ;
- if (from == null) {
- φ = direction * π / 2;
- listener.point(-π, φ);
- listener.point(0, φ);
- listener.point(π, φ);
- listener.point(π, 0);
- listener.point(π, -φ);
- listener.point(0, -φ);
- listener.point(-π, -φ);
- listener.point(-π, 0);
- listener.point(-π, φ);
- } else if (Math.abs(from[0] - to[0]) > ε) {
- var s = (from[0] < to[0] ? 1 : -1) * π;
- φ = direction * s / 2;
- listener.point(-s, φ);
- listener.point(0, φ);
- listener.point(s, φ);
- } else {
- listener.point(to[0], to[1]);
- }
- }
- function d3_geo_clipCircle(radius) {
- var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = Math.abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
- return d3_geo_clip(visible, clipLine, interpolate);
- function visible(λ, φ) {
- return Math.cos(λ) * Math.cos(φ) > cr;
- }
- function clipLine(listener) {
- var point0, c0, v0, v00, clean;
- return {
- lineStart: function() {
- v00 = v0 = false;
- clean = 1;
- },
- point: function(λ, φ) {
- 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;
- if (!point0 && (v00 = v0 = v)) listener.lineStart();
- if (v !== v0) {
- point2 = intersect(point0, point1);
- if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
- point1[0] += ε;
- point1[1] += ε;
- v = visible(point1[0], point1[1]);
- }
- }
- if (v !== v0) {
- clean = 0;
- if (v) {
- listener.lineStart();
- point2 = intersect(point1, point0);
- listener.point(point2[0], point2[1]);
- } else {
- point2 = intersect(point0, point1);
- listener.point(point2[0], point2[1]);
- listener.lineEnd();
- }
- point0 = point2;
- } else if (notHemisphere && point0 && smallRadius ^ v) {
- var t;
- if (!(c & c0) && (t = intersect(point1, point0, true))) {
- clean = 0;
- if (smallRadius) {
- listener.lineStart();
- listener.point(t[0][0], t[0][1]);
- listener.point(t[1][0], t[1][1]);
- listener.lineEnd();
- } else {
- listener.point(t[1][0], t[1][1]);
- listener.lineEnd();
- listener.lineStart();
- listener.point(t[0][0], t[0][1]);
- }
- }
- }
- if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
- listener.point(point1[0], point1[1]);
- }
- point0 = point1, v0 = v, c0 = c;
- },
- lineEnd: function() {
- if (v0) listener.lineEnd();
- point0 = null;
- },
- clean: function() {
- return clean | (v00 && v0) << 1;
- }
- };
- }
- function intersect(a, b, two) {
- var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
- var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
- if (!determinant) return !two && a;
- 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);
- d3_geo_cartesianAdd(A, B);
- 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);
- if (t2 < 0) return;
- var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
- d3_geo_cartesianAdd(q, A);
- q = d3_geo_spherical(q);
- if (!two) return q;
- var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
- if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
- var δλ = λ1 - λ0, polar = Math.abs(δλ - π) < ε, meridian = polar || δλ < ε;
- if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
- if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (Math.abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
- var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
- d3_geo_cartesianAdd(q1, A);
- return [ q, d3_geo_spherical(q1) ];
- }
- }
- function code(λ, φ) {
- var r = smallRadius ? radius : π - radius, code = 0;
- if (λ < -r) code |= 1; else if (λ > r) code |= 2;
- if (φ < -r) code |= 4; else if (φ > r) code |= 8;
- return code;
- }
- }
- var d3_geo_clipViewMAX = 1e9;
- function d3_geo_clipView(x0, y0, x1, y1) {
- return function(listener) {
- var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), segments, polygon, ring;
- var clip = {
- point: point,
- lineStart: lineStart,
- lineEnd: lineEnd,
- polygonStart: function() {
- listener = bufferListener;
- segments = [];
- polygon = [];
- },
- polygonEnd: function() {
- listener = listener_;
- if ((segments = d3.merge(segments)).length) {
- listener.polygonStart();
- d3_geo_clipPolygon(segments, compare, inside, interpolate, listener);
- listener.polygonEnd();
- } else if (insidePolygon([ x0, y0 ])) {
- listener.polygonStart(), listener.lineStart();
- interpolate(null, null, 1, listener);
- listener.lineEnd(), listener.polygonEnd();
- }
- segments = polygon = ring = null;
- }
- };
- function inside(point) {
- var a = corner(point, -1), i = insidePolygon([ a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0 ]);
- return i;
- }
- function insidePolygon(p) {
- var wn = 0, n = polygon.length, y = p[1];
- for (var i = 0; i < n; ++i) {
- for (var j = 1, v = polygon[i], m = v.length, a = v[0]; j < m; ++j) {
- b = v[j];
- if (a[1] <= y) {
- if (b[1] > y && isLeft(a, b, p) > 0) ++wn;
- } else {
- if (b[1] <= y && isLeft(a, b, p) < 0) --wn;
- }
- a = b;
- }
- }
- return wn !== 0;
- }
- function isLeft(a, b, c) {
- return (b[0] - a[0]) * (c[1] - a[1]) - (c[0] - a[0]) * (b[1] - a[1]);
- }
- function interpolate(from, to, direction, listener) {
- var a = 0, a1 = 0;
- if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
- do {
- listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
- } while ((a = (a + direction + 4) % 4) !== a1);
- } else {
- listener.point(to[0], to[1]);
- }
- }
- function visible(x, y) {
- return x0 <= x && x <= x1 && y0 <= y && y <= y1;
- }
- function point(x, y) {
- if (visible(x, y)) listener.point(x, y);
- }
- var x__, y__, v__, x_, y_, v_, first;
- function lineStart() {
- clip.point = linePoint;
- if (polygon) polygon.push(ring = []);
- first = true;
- v_ = false;
- x_ = y_ = NaN;
- }
- function lineEnd() {
- if (segments) {
- linePoint(x__, y__);
- if (v__ && v_) bufferListener.rejoin();
- segments.push(bufferListener.buffer());
- }
- clip.point = point;
- if (v_) listener.lineEnd();
- }
- function linePoint(x, y) {
- x = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, x));
- y = Math.max(-d3_geo_clipViewMAX, Math.min(d3_geo_clipViewMAX, y));
- var v = visible(x, y);
- if (polygon) ring.push([ x, y ]);
- if (first) {
- x__ = x, y__ = y, v__ = v;
- first = false;
- if (v) {
- listener.lineStart();
- listener.point(x, y);
- }
- } else {
- if (v && v_) listener.point(x, y); else {
- var a = [ x_, y_ ], b = [ x, y ];
- if (clipLine(a, b)) {
- if (!v_) {
- listener.lineStart();
- listener.point(a[0], a[1]);
- }
- listener.point(b[0], b[1]);
- if (!v) listener.lineEnd();
- } else {
- listener.lineStart();
- listener.point(x, y);
- }
- }
- }
- x_ = x, y_ = y, v_ = v;
- }
- return clip;
- };
- function corner(p, direction) {
- return Math.abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : Math.abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : Math.abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
- }
- function compare(a, b) {
- return comparePoints(a.point, b.point);
- }
- function comparePoints(a, b) {
- var ca = corner(a, 1), cb = corner(b, 1);
- 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];
- }
- function clipLine(a, b) {
- var dx = b[0] - a[0], dy = b[1] - a[1], t = [ 0, 1 ];
- if (Math.abs(dx) < ε && Math.abs(dy) < ε) return x0 <= a[0] && a[0] <= x1 && y0 <= a[1] && a[1] <= y1;
- if (d3_geo_clipViewT(x0 - a[0], dx, t) && d3_geo_clipViewT(a[0] - x1, -dx, t) && d3_geo_clipViewT(y0 - a[1], dy, t) && d3_geo_clipViewT(a[1] - y1, -dy, t)) {
- if (t[1] < 1) {
- b[0] = a[0] + t[1] * dx;
- b[1] = a[1] + t[1] * dy;
- }
- if (t[0] > 0) {
- a[0] += t[0] * dx;
- a[1] += t[0] * dy;
- }
- return true;
- }
- return false;
- }
- }
- function d3_geo_clipViewT(num, denominator, t) {
- if (Math.abs(denominator) < ε) return num <= 0;
- var u = num / denominator;
- if (denominator > 0) {
- if (u > t[1]) return false;
- if (u > t[0]) t[0] = u;
- } else {
- if (u < t[0]) return false;
- if (u < t[1]) t[1] = u;
- }
- return true;
- }
- function d3_geo_compose(a, b) {
- function compose(x, y) {
- return x = a(x, y), b(x[0], x[1]);
- }
- if (a.invert && b.invert) compose.invert = function(x, y) {
- return x = b.invert(x, y), x && a.invert(x[0], x[1]);
- };
- return compose;
- }
- function d3_geo_resample(project) {
- var δ2 = .5, maxDepth = 16;
- function resample(stream) {
- var λ0, x0, y0, a0, b0, c0;
- var resample = {
- point: point,
- lineStart: lineStart,
- lineEnd: lineEnd,
- polygonStart: function() {
- stream.polygonStart();
- resample.lineStart = polygonLineStart;
- },
- polygonEnd: function() {
- stream.polygonEnd();
- resample.lineStart = lineStart;
- }
- };
- function point(x, y) {
- x = project(x, y);
- stream.point(x[0], x[1]);
- }
- function lineStart() {
- x0 = NaN;
- resample.point = linePoint;
- stream.lineStart();
- }
- function linePoint(λ, φ) {
- var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
- 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);
- stream.point(x0, y0);
- }
- function lineEnd() {
- resample.point = point;
- stream.lineEnd();
- }
- function polygonLineStart() {
- var λ00, φ00, x00, y00, a00, b00, c00;
- lineStart();
- resample.point = function(λ, φ) {
- linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
- resample.point = linePoint;
- };
- resample.lineEnd = function() {
- resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
- resample.lineEnd = lineEnd;
- lineEnd();
- };
- }
- return resample;
- }
- function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
- var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
- if (d2 > 4 * δ2 && depth--) {
- 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 = Math.abs(Math.abs(c) - 1) < 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;
- if (dz * dz / d2 > δ2 || Math.abs((dx * dx2 + dy * dy2) / d2 - .5) > .3) {
- resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
- stream.point(x2, y2);
- resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
- }
- }
- }
- resample.precision = function(_) {
- if (!arguments.length) return Math.sqrt(δ2);
- maxDepth = (δ2 = _ * _) > 0 && 16;
- return resample;
- };
- return resample;
- }
- d3.geo.projection = d3_geo_projection;
- d3.geo.projectionMutator = d3_geo_projectionMutator;
- function d3_geo_projection(project) {
- return d3_geo_projectionMutator(function() {
- return project;
- })();
- }
- function d3_geo_projectionMutator(projectAt) {
- var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
- x = project(x, y);
- return [ x[0] * k + δx, δy - x[1] * k ];
- }), 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;
- function projection(point) {
- point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
- return [ point[0] * k + δx, δy - point[1] * k ];
- }
- function invert(point) {
- point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
- return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
- }
- projection.stream = function(stream) {
- return d3_geo_projectionRadiansRotate(rotate, preclip(projectResample(postclip(stream))));
- };
- projection.clipAngle = function(_) {
- if (!arguments.length) return clipAngle;
- preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
- return projection;
- };
- projection.clipExtent = function(_) {
- if (!arguments.length) return clipExtent;
- clipExtent = _;
- postclip = _ == null ? d3_identity : d3_geo_clipView(_[0][0], _[0][1], _[1][0], _[1][1]);
- return projection;
- };
- projection.scale = function(_) {
- if (!arguments.length) return k;
- k = +_;
- return reset();
- };
- projection.translate = function(_) {
- if (!arguments.length) return [ x, y ];
- x = +_[0];
- y = +_[1];
- return reset();
- };
- projection.center = function(_) {
- if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
- λ = _[0] % 360 * d3_radians;
- φ = _[1] % 360 * d3_radians;
- return reset();
- };
- projection.rotate = function(_) {
- if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
- δλ = _[0] % 360 * d3_radians;
- δφ = _[1] % 360 * d3_radians;
- δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
- return reset();
- };
- d3.rebind(projection, projectResample, "precision");
- function reset() {
- projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
- var center = project(λ, φ);
- δx = x - center[0] * k;
- δy = y + center[1] * k;
- return projection;
- }
- return function() {
- project = projectAt.apply(this, arguments);
- projection.invert = project.invert && invert;
- return reset();
- };
- }
- function d3_geo_projectionRadiansRotate(rotate, stream) {
- return {
- point: function(x, y) {
- y = rotate(x * d3_radians, y * d3_radians), x = y[0];
- stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
- },
- sphere: function() {
- stream.sphere();
- },
- lineStart: function() {
- stream.lineStart();
- },
- lineEnd: function() {
- stream.lineEnd();
- },
- polygonStart: function() {
- stream.polygonStart();
- },
- polygonEnd: function() {
- stream.polygonEnd();
- }
- };
- }
- function d3_geo_equirectangular(λ, φ) {
- return [ λ, φ ];
- }
- (d3.geo.equirectangular = function() {
- return d3_geo_projection(d3_geo_equirectangular);
- }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
- d3.geo.rotation = function(rotate) {
- rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
- function forward(coordinates) {
- coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
- return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
- }
- forward.invert = function(coordinates) {
- coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
- return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
- };
- return forward;
- };
- function d3_geo_rotation(δλ, δφ, δγ) {
- 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_equirectangular;
- }
- function d3_geo_forwardRotationλ(δλ) {
- return function(λ, φ) {
- return λ += δλ, [ λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : λ, φ ];
- };
- }
- function d3_geo_rotationλ(δλ) {
- var rotation = d3_geo_forwardRotationλ(δλ);
- rotation.invert = d3_geo_forwardRotationλ(-δλ);
- return rotation;
- }
- function d3_geo_rotationφγ(δφ, δγ) {
- var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
- function rotation(λ, φ) {
- var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
- return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδγ + y * sinδγ))) ];
- }
- rotation.invert = function(λ, φ) {
- var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
- return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ))) ];
- };
- return rotation;
- }
- d3.geo.circle = function() {
- var origin = [ 0, 0 ], angle, precision = 6, interpolate;
- function circle() {
- 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 = [];
- interpolate(null, null, 1, {
- point: function(x, y) {
- ring.push(x = rotate(x, y));
- x[0] *= d3_degrees, x[1] *= d3_degrees;
- }
- });
- return {
- type: "Polygon",
- coordinates: [ ring ]
- };
- }
- circle.origin = function(x) {
- if (!arguments.length) return origin;
- origin = x;
- return circle;
- };
- circle.angle = function(x) {
- if (!arguments.length) return angle;
- interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
- return circle;
- };
- circle.precision = function(_) {
- if (!arguments.length) return precision;
- interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
- return circle;
- };
- return circle.angle(90);
- };
- function d3_geo_circleInterpolate(radius, precision) {
- var cr = Math.cos(radius), sr = Math.sin(radius);
- return function(from, to, direction, listener) {
- if (from != null) {
- from = d3_geo_circleAngle(cr, from);
- to = d3_geo_circleAngle(cr, to);
- if (direction > 0 ? from < to : from > to) from += direction * 2 * π;
- } else {
- from = radius + direction * 2 * π;
- to = radius;
- }
- var point;
- for (var step = direction * precision, t = from; direction > 0 ? t > to : t < to; t -= step) {
- listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
- }
- };
- }
- function d3_geo_circleAngle(cr, point) {
- var a = d3_geo_cartesian(point);
- a[0] -= cr;
- d3_geo_cartesianNormalize(a);
- var angle = d3_acos(-a[1]);
- return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
- }
- d3.geo.distance = function(a, b) {
- 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;
- return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
- };
- d3.geo.graticule = function() {
- var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
- function graticule() {
- return {
- type: "MultiLineString",
- coordinates: lines()
- };
- }
- function lines() {
- 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) {
- return Math.abs(x % DX) > ε;
- }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
- return Math.abs(y % DY) > ε;
- }).map(y));
- }
- graticule.lines = function() {
- return lines().map(function(coordinates) {
- return {
- type: "LineString",
- coordinates: coordinates
- };
- });
- };
- graticule.outline = function() {
- return {
- type: "Polygon",
- coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
- };
- };
- graticule.extent = function(_) {
- if (!arguments.length) return graticule.minorExtent();
- return graticule.majorExtent(_).minorExtent(_);
- };
- graticule.majorExtent = function(_) {
- if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
- X0 = +_[0][0], X1 = +_[1][0];
- Y0 = +_[0][1], Y1 = +_[1][1];
- if (X0 > X1) _ = X0, X0 = X1, X1 = _;
- if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
- return graticule.precision(precision);
- };
- graticule.minorExtent = function(_) {
- if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
- x0 = +_[0][0], x1 = +_[1][0];
- y0 = +_[0][1], y1 = +_[1][1];
- if (x0 > x1) _ = x0, x0 = x1, x1 = _;
- if (y0 > y1) _ = y0, y0 = y1, y1 = _;
- return graticule.precision(precision);
- };
- graticule.step = function(_) {
- if (!arguments.length) return graticule.minorStep();
- return graticule.majorStep(_).minorStep(_);
- };
- graticule.majorStep = function(_) {
- if (!arguments.length) return [ DX, DY ];
- DX = +_[0], DY = +_[1];
- return graticule;
- };
- graticule.minorStep = function(_) {
- if (!arguments.length) return [ dx, dy ];
- dx = +_[0], dy = +_[1];
- return graticule;
- };
- graticule.precision = function(_) {
- if (!arguments.length) return precision;
- precision = +_;
- x = d3_geo_graticuleX(y0, y1, 90);
- y = d3_geo_graticuleY(x0, x1, precision);
- X = d3_geo_graticuleX(Y0, Y1, 90);
- Y = d3_geo_graticuleY(X0, X1, precision);
- return graticule;
- };
- return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
- };
- function d3_geo_graticuleX(y0, y1, dy) {
- var y = d3.range(y0, y1 - ε, dy).concat(y1);
- return function(x) {
- return y.map(function(y) {
- return [ x, y ];
- });
- };
- }
- function d3_geo_graticuleY(x0, x1, dx) {
- var x = d3.range(x0, x1 - ε, dx).concat(x1);
- return function(y) {
- return x.map(function(x) {
- return [ x, y ];
- });
- };
- }
- function d3_source(d) {
- return d.source;
- }
- function d3_target(d) {
- return d.target;
- }
- d3.geo.greatArc = function() {
- var source = d3_source, source_, target = d3_target, target_;
- function greatArc() {
- return {
- type: "LineString",
- coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
- };
- }
- greatArc.distance = function() {
- return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
- };
- greatArc.source = function(_) {
- if (!arguments.length) return source;
- source = _, source_ = typeof _ === "function" ? null : _;
- return greatArc;
- };
- greatArc.target = function(_) {
- if (!arguments.length) return target;
- target = _, target_ = typeof _ === "function" ? null : _;
- return greatArc;
- };
- greatArc.precision = function() {
- return arguments.length ? greatArc : 0;
- };
- return greatArc;
- };
- d3.geo.interpolate = function(source, target) {
- return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
- };
- function d3_geo_interpolate(x0, y0, x1, y1) {
- 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);
- var interpolate = d ? function(t) {
- 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;
- return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
- } : function() {
- return [ x0 * d3_degrees, y0 * d3_degrees ];
- };
- interpolate.distance = d;
- return interpolate;
- }
- d3.geo.length = function(object) {
- d3_geo_lengthSum = 0;
- d3.geo.stream(object, d3_geo_length);
- return d3_geo_lengthSum;
- };
- var d3_geo_lengthSum;
- var d3_geo_length = {
- sphere: d3_noop,
- point: d3_noop,
- lineStart: d3_geo_lengthLineStart,
- lineEnd: d3_noop,
- polygonStart: d3_noop,
- polygonEnd: d3_noop
- };
- function d3_geo_lengthLineStart() {
- var λ0, sinφ0, cosφ0;
- d3_geo_length.point = function(λ, φ) {
- λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
- d3_geo_length.point = nextPoint;
- };
- d3_geo_length.lineEnd = function() {
- d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
- };
- function nextPoint(λ, φ) {
- var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = Math.abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
- 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);
- λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
- }
- }
- function d3_geo_conic(projectAt) {
- var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
- p.parallels = function(_) {
- if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
- return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
- };
- return p;
- }
- function d3_geo_conicEqualArea(φ0, φ1) {
- var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
- function forward(λ, φ) {
- var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
- return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
- }
- forward.invert = function(x, y) {
- var ρ0_y = ρ0 - y;
- return [ Math.atan2(x, ρ0_y) / n, Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
- };
- return forward;
- }
- (d3.geo.conicEqualArea = function() {
- return d3_geo_conic(d3_geo_conicEqualArea);
- }).raw = d3_geo_conicEqualArea;
- d3.geo.albersUsa = function() {
- var lower48 = d3.geo.conicEqualArea().rotate([ 98, 0 ]).center([ 0, 38 ]).parallels([ 29.5, 45.5 ]);
- var alaska = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 60 ]).parallels([ 55, 65 ]);
- var hawaii = d3.geo.conicEqualArea().rotate([ 160, 0 ]).center([ 0, 20 ]).parallels([ 8, 18 ]);
- var puertoRico = d3.geo.conicEqualArea().rotate([ 60, 0 ]).center([ 0, 10 ]).parallels([ 8, 18 ]);
- var alaskaInvert, hawaiiInvert, puertoRicoInvert;
- function albersUsa(coordinates) {
- return projection(coordinates)(coordinates);
- }
- function projection(point) {
- var lon = point[0], lat = point[1];
- return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48;
- }
- albersUsa.invert = function(coordinates) {
- return alaskaInvert(coordinates) || hawaiiInvert(coordinates) || puertoRicoInvert(coordinates) || lower48.invert(coordinates);
- };
- albersUsa.scale = function(x) {
- if (!arguments.length) return lower48.scale();
- lower48.scale(x);
- alaska.scale(x * .6);
- hawaii.scale(x);
- puertoRico.scale(x * 1.5);
- return albersUsa.translate(lower48.translate());
- };
- albersUsa.translate = function(x) {
- if (!arguments.length) return lower48.translate();
- var dz = lower48.scale(), dx = x[0], dy = x[1];
- lower48.translate(x);
- alaska.translate([ dx - .4 * dz, dy + .17 * dz ]);
- hawaii.translate([ dx - .19 * dz, dy + .2 * dz ]);
- puertoRico.translate([ dx + .58 * dz, dy + .43 * dz ]);
- alaskaInvert = d3_geo_albersUsaInvert(alaska, [ [ -180, 50 ], [ -130, 72 ] ]);
- hawaiiInvert = d3_geo_albersUsaInvert(hawaii, [ [ -164, 18 ], [ -154, 24 ] ]);
- puertoRicoInvert = d3_geo_albersUsaInvert(puertoRico, [ [ -67.5, 17.5 ], [ -65, 19 ] ]);
- return albersUsa;
- };
- return albersUsa.scale(1e3);
- };
- function d3_geo_albersUsaInvert(projection, extent) {
- var a = projection(extent[0]), b = projection([ .5 * (extent[0][0] + extent[1][0]), extent[0][1] ]), c = projection([ extent[1][0], extent[0][1] ]), d = projection(extent[1]);
- var dya = b[1] - a[1], dxa = b[0] - a[0], dyb = c[1] - b[1], dxb = c[0] - b[0];
- var ma = dya / dxa, mb = dyb / dxb;
- var cx = .5 * (ma * mb * (a[1] - c[1]) + mb * (a[0] + b[0]) - ma * (b[0] + c[0])) / (mb - ma), cy = (.5 * (a[0] + b[0]) - cx) / ma + .5 * (a[1] + b[1]);
- var dx0 = d[0] - cx, dy0 = d[1] - cy, dx1 = a[0] - cx, dy1 = a[1] - cy, r0 = dx0 * dx0 + dy0 * dy0, r1 = dx1 * dx1 + dy1 * dy1;
- var a0 = Math.atan2(dy0, dx0), a1 = Math.atan2(dy1, dx1);
- return function(coordinates) {
- var dx = coordinates[0] - cx, dy = coordinates[1] - cy, r = dx * dx + dy * dy, a = Math.atan2(dy, dx);
- if (r0 < r && r < r1 && a0 < a && a < a1) return projection.invert(coordinates);
- };
- }
- var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
- point: d3_noop,
- lineStart: d3_noop,
- lineEnd: d3_noop,
- polygonStart: function() {
- d3_geo_pathAreaPolygon = 0;
- d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
- },
- polygonEnd: function() {
- d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
- d3_geo_pathAreaSum += Math.abs(d3_geo_pathAreaPolygon / 2);
- }
- };
- function d3_geo_pathAreaRingStart() {
- var x00, y00, x0, y0;
- d3_geo_pathArea.point = function(x, y) {
- d3_geo_pathArea.point = nextPoint;
- x00 = x0 = x, y00 = y0 = y;
- };
- function nextPoint(x, y) {
- d3_geo_pathAreaPolygon += y0 * x - x0 * y;
- x0 = x, y0 = y;
- }
- d3_geo_pathArea.lineEnd = function() {
- nextPoint(x00, y00);
- };
- }
- function d3_geo_pathBuffer() {
- var pointCircle = d3_geo_pathCircle(4.5), buffer = [];
- var stream = {
- point: point,
- lineStart: function() {
- stream.point = pointLineStart;
- },
- lineEnd: lineEnd,
- polygonStart: function() {
- stream.lineEnd = lineEndPolygon;
- },
- polygonEnd: function() {
- stream.lineEnd = lineEnd;
- stream.point = point;
- },
- pointRadius: function(_) {
- pointCircle = d3_geo_pathCircle(_);
- return stream;
- },
- result: function() {
- if (buffer.length) {
- var result = buffer.join("");
- buffer = [];
- return result;
- }
- }
- };
- function point(x, y) {
- buffer.push("M", x, ",", y, pointCircle);
- }
- function pointLineStart(x, y) {
- buffer.push("M", x, ",", y);
- stream.point = pointLine;
- }
- function pointLine(x, y) {
- buffer.push("L", x, ",", y);
- }
- function lineEnd() {
- stream.point = point;
- }
- function lineEndPolygon() {
- buffer.push("Z");
- }
- return stream;
- }
- var d3_geo_pathCentroid = {
- point: d3_geo_pathCentroidPoint,
- lineStart: d3_geo_pathCentroidLineStart,
- lineEnd: d3_geo_pathCentroidLineEnd,
- polygonStart: function() {
- d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
- },
- polygonEnd: function() {
- d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
- d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
- d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
- }
- };
- function d3_geo_pathCentroidPoint(x, y) {
- if (d3_geo_centroidDimension) return;
- d3_geo_centroidX += x;
- d3_geo_centroidY += y;
- ++d3_geo_centroidZ;
- }
- function d3_geo_pathCentroidLineStart() {
- var x0, y0;
- if (d3_geo_centroidDimension !== 1) {
- if (d3_geo_centroidDimension < 1) {
- d3_geo_centroidDimension = 1;
- d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- } else return;
- }
- d3_geo_pathCentroid.point = function(x, y) {
- d3_geo_pathCentroid.point = nextPoint;
- x0 = x, y0 = y;
- };
- function nextPoint(x, y) {
- var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
- d3_geo_centroidX += z * (x0 + x) / 2;
- d3_geo_centroidY += z * (y0 + y) / 2;
- d3_geo_centroidZ += z;
- x0 = x, y0 = y;
- }
- }
- function d3_geo_pathCentroidLineEnd() {
- d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
- }
- function d3_geo_pathCentroidRingStart() {
- var x00, y00, x0, y0;
- if (d3_geo_centroidDimension < 2) {
- d3_geo_centroidDimension = 2;
- d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- }
- d3_geo_pathCentroid.point = function(x, y) {
- d3_geo_pathCentroid.point = nextPoint;
- x00 = x0 = x, y00 = y0 = y;
- };
- function nextPoint(x, y) {
- var z = y0 * x - x0 * y;
- d3_geo_centroidX += z * (x0 + x);
- d3_geo_centroidY += z * (y0 + y);
- d3_geo_centroidZ += z * 3;
- x0 = x, y0 = y;
- }
- d3_geo_pathCentroid.lineEnd = function() {
- nextPoint(x00, y00);
- };
- }
- function d3_geo_pathContext(context) {
- var pointRadius = 4.5;
- var stream = {
- point: point,
- lineStart: function() {
- stream.point = pointLineStart;
- },
- lineEnd: lineEnd,
- polygonStart: function() {
- stream.lineEnd = lineEndPolygon;
- },
- polygonEnd: function() {
- stream.lineEnd = lineEnd;
- stream.point = point;
- },
- pointRadius: function(_) {
- pointRadius = _;
- return stream;
- },
- result: d3_noop
- };
- function point(x, y) {
- context.moveTo(x, y);
- context.arc(x, y, pointRadius, 0, 2 * π);
- }
- function pointLineStart(x, y) {
- context.moveTo(x, y);
- stream.point = pointLine;
- }
- function pointLine(x, y) {
- context.lineTo(x, y);
- }
- function lineEnd() {
- stream.point = point;
- }
- function lineEndPolygon() {
- context.closePath();
- }
- return stream;
- }
- d3.geo.path = function() {
- var pointRadius = 4.5, projection, context, projectStream, contextStream;
- function path(object) {
- if (object) d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === "function" ? +pointRadius.apply(this, arguments) : pointRadius)));
- return contextStream.result();
- }
- path.area = function(object) {
- d3_geo_pathAreaSum = 0;
- d3.geo.stream(object, projectStream(d3_geo_pathArea));
- return d3_geo_pathAreaSum;
- };
- path.centroid = function(object) {
- d3_geo_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
- d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
- return d3_geo_centroidZ ? [ d3_geo_centroidX / d3_geo_centroidZ, d3_geo_centroidY / d3_geo_centroidZ ] : undefined;
- };
- path.bounds = function(object) {
- return d3_geo_bounds(projectStream)(object);
- };
- path.projection = function(_) {
- if (!arguments.length) return projection;
- projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
- return path;
- };
- path.context = function(_) {
- if (!arguments.length) return context;
- contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
- return path;
- };
- path.pointRadius = function(_) {
- if (!arguments.length) return pointRadius;
- pointRadius = typeof _ === "function" ? _ : +_;
- return path;
- };
- return path.projection(d3.geo.albersUsa()).context(null);
- };
- function d3_geo_pathCircle(radius) {
- return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + +2 * radius + "z";
- }
- function d3_geo_pathProjectStream(project) {
- var resample = d3_geo_resample(function(λ, φ) {
- return project([ λ * d3_degrees, φ * d3_degrees ]);
- });
- return function(stream) {
- stream = resample(stream);
- return {
- point: function(λ, φ) {
- stream.point(λ * d3_radians, φ * d3_radians);
- },
- sphere: function() {
- stream.sphere();
- },
- lineStart: function() {
- stream.lineStart();
- },
- lineEnd: function() {
- stream.lineEnd();
- },
- polygonStart: function() {
- stream.polygonStart();
- },
- polygonEnd: function() {
- stream.polygonEnd();
- }
- };
- };
- }
- d3.geo.albers = function() {
- return d3.geo.conicEqualArea().parallels([ 29.5, 45.5 ]).rotate([ 98, 0 ]).center([ 0, 38 ]).scale(1e3);
- };
- function d3_geo_azimuthal(scale, angle) {
- function azimuthal(λ, φ) {
- var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
- return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
- }
- azimuthal.invert = function(x, y) {
- var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
- return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
- };
- return azimuthal;
- }
- var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
- return Math.sqrt(2 / (1 + cosλcosφ));
- }, function(ρ) {
- return 2 * Math.asin(ρ / 2);
- });
- (d3.geo.azimuthalEqualArea = function() {
- return d3_geo_projection(d3_geo_azimuthalEqualArea);
- }).raw = d3_geo_azimuthalEqualArea;
- var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
- var c = Math.acos(cosλcosφ);
- return c && c / Math.sin(c);
- }, d3_identity);
- (d3.geo.azimuthalEquidistant = function() {
- return d3_geo_projection(d3_geo_azimuthalEquidistant);
- }).raw = d3_geo_azimuthalEquidistant;
- function d3_geo_conicConformal(φ0, φ1) {
- var cosφ0 = Math.cos(φ0), t = function(φ) {
- return Math.tan(π / 4 + φ / 2);
- }, 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;
- if (!n) return d3_geo_mercator;
- function forward(λ, φ) {
- var ρ = Math.abs(Math.abs(φ) - π / 2) < ε ? 0 : F / Math.pow(t(φ), n);
- return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
- }
- forward.invert = function(x, y) {
- var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
- return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - π / 2 ];
- };
- return forward;
- }
- (d3.geo.conicConformal = function() {
- return d3_geo_conic(d3_geo_conicConformal);
- }).raw = d3_geo_conicConformal;
- function d3_geo_conicEquidistant(φ0, φ1) {
- var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
- if (Math.abs(n) < ε) return d3_geo_equirectangular;
- function forward(λ, φ) {
- var ρ = G - φ;
- return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
- }
- forward.invert = function(x, y) {
- var ρ0_y = G - y;
- return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
- };
- return forward;
- }
- (d3.geo.conicEquidistant = function() {
- return d3_geo_conic(d3_geo_conicEquidistant);
- }).raw = d3_geo_conicEquidistant;
- var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
- return 1 / cosλcosφ;
- }, Math.atan);
- (d3.geo.gnomonic = function() {
- return d3_geo_projection(d3_geo_gnomonic);
- }).raw = d3_geo_gnomonic;
- function d3_geo_mercator(λ, φ) {
- return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
- }
- d3_geo_mercator.invert = function(x, y) {
- return [ x, 2 * Math.atan(Math.exp(y)) - π / 2 ];
- };
- function d3_geo_mercatorProjection(project) {
- var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
- m.scale = function() {
- var v = scale.apply(m, arguments);
- return v === m ? clipAuto ? m.clipExtent(null) : m : v;
- };
- m.translate = function() {
- var v = translate.apply(m, arguments);
- return v === m ? clipAuto ? m.clipExtent(null) : m : v;
- };
- m.clipExtent = function(_) {
- var v = clipExtent.apply(m, arguments);
- if (v === m) {
- if (clipAuto = _ == null) {
- var k = π * scale(), t = translate();
- clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
- }
- } else if (clipAuto) {
- v = null;
- }
- return v;
- };
- return m.clipExtent(null);
- }
- (d3.geo.mercator = function() {
- return d3_geo_mercatorProjection(d3_geo_mercator);
- }).raw = d3_geo_mercator;
- var d3_geo_orthographic = d3_geo_azimuthal(function() {
- return 1;
- }, Math.asin);
- (d3.geo.orthographic = function() {
- return d3_geo_projection(d3_geo_orthographic);
- }).raw = d3_geo_orthographic;
- var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
- return 1 / (1 + cosλcosφ);
- }, function(ρ) {
- return 2 * Math.atan(ρ);
- });
- (d3.geo.stereographic = function() {
- return d3_geo_projection(d3_geo_stereographic);
- }).raw = d3_geo_stereographic;
- function d3_geo_transverseMercator(λ, φ) {
- var B = Math.cos(φ) * Math.sin(λ);
- return [ Math.log((1 + B) / (1 - B)) / 2, Math.atan2(Math.tan(φ), Math.cos(λ)) ];
- }
- d3_geo_transverseMercator.invert = function(x, y) {
- return [ Math.atan2(d3_sinh(x), Math.cos(y)), d3_asin(Math.sin(y) / d3_cosh(x)) ];
- };
- (d3.geo.transverseMercator = function() {
- return d3_geo_mercatorProjection(d3_geo_transverseMercator);
- }).raw = d3_geo_transverseMercator;
- d3.geom = {};
- d3.svg = {};
- function d3_svg_line(projection) {
- var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
- function line(data) {
- var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
- function segment() {
- segments.push("M", interpolate(projection(points), tension));
- }
- while (++i < n) {
- if (defined.call(this, d = data[i], i)) {
- points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
- } else if (points.length) {
- segment();
- points = [];
- }
- }
- if (points.length) segment();
- return segments.length ? segments.join("") : null;
- }
- line.x = function(_) {
- if (!arguments.length) return x;
- x = _;
- return line;
- };
- line.y = function(_) {
- if (!arguments.length) return y;
- y = _;
- return line;
- };
- line.defined = function(_) {
- if (!arguments.length) return defined;
- defined = _;
- return line;
- };
- line.interpolate = function(_) {
- if (!arguments.length) return interpolateKey;
- if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
- return line;
- };
- line.tension = function(_) {
- if (!arguments.length) return tension;
- tension = _;
- return line;
- };
- return line;
- }
- d3.svg.line = function() {
- return d3_svg_line(d3_identity);
- };
- function d3_svg_lineX(d) {
- return d[0];
- }
- function d3_svg_lineY(d) {
- return d[1];
- }
- var d3_svg_lineInterpolators = d3.map({
- linear: d3_svg_lineLinear,
- "linear-closed": d3_svg_lineLinearClosed,
- "step-before": d3_svg_lineStepBefore,
- "step-after": d3_svg_lineStepAfter,
- basis: d3_svg_lineBasis,
- "basis-open": d3_svg_lineBasisOpen,
- "basis-closed": d3_svg_lineBasisClosed,
- bundle: d3_svg_lineBundle,
- cardinal: d3_svg_lineCardinal,
- "cardinal-open": d3_svg_lineCardinalOpen,
- "cardinal-closed": d3_svg_lineCardinalClosed,
- monotone: d3_svg_lineMonotone
- });
- d3_svg_lineInterpolators.forEach(function(key, value) {
- value.key = key;
- value.closed = /-closed$/.test(key);
- });
- function d3_svg_lineLinear(points) {
- return points.join("L");
- }
- function d3_svg_lineLinearClosed(points) {
- return d3_svg_lineLinear(points) + "Z";
- }
- function d3_svg_lineStepBefore(points) {
- var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
- while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
- return path.join("");
- }
- function d3_svg_lineStepAfter(points) {
- var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
- while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
- return path.join("");
- }
- function d3_svg_lineCardinalOpen(points, tension) {
- return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
- }
- function d3_svg_lineCardinalClosed(points, tension) {
- return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]),
- points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
- }
- function d3_svg_lineCardinal(points, tension) {
- return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
- }
- function d3_svg_lineHermite(points, tangents) {
- if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
- return d3_svg_lineLinear(points);
- }
- var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
- if (quad) {
- path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
- p0 = points[1];
- pi = 2;
- }
- if (tangents.length > 1) {
- t = tangents[1];
- p = points[pi];
- pi++;
- path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
- for (var i = 2; i < tangents.length; i++, pi++) {
- p = points[pi];
- t = tangents[i];
- path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
- }
- }
- if (quad) {
- var lp = points[pi];
- path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
- }
- return path;
- }
- function d3_svg_lineCardinalTangents(points, tension) {
- var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
- while (++i < n) {
- p0 = p1;
- p1 = p2;
- p2 = points[i];
- tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
- }
- return tangents;
- }
- function d3_svg_lineBasis(points) {
- if (points.length < 3) return d3_svg_lineLinear(points);
- 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 ];
- d3_svg_lineBasisBezier(path, px, py);
- while (++i < n) {
- pi = points[i];
- px.shift();
- px.push(pi[0]);
- py.shift();
- py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- i = -1;
- while (++i < 2) {
- px.shift();
- px.push(pi[0]);
- py.shift();
- py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
- }
- function d3_svg_lineBasisOpen(points) {
- if (points.length < 4) return d3_svg_lineLinear(points);
- var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
- while (++i < 3) {
- pi = points[i];
- px.push(pi[0]);
- py.push(pi[1]);
- }
- path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
- --i;
- while (++i < n) {
- pi = points[i];
- px.shift();
- px.push(pi[0]);
- py.shift();
- py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
- }
- function d3_svg_lineBasisClosed(points) {
- var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
- while (++i < 4) {
- pi = points[i % n];
- px.push(pi[0]);
- py.push(pi[1]);
- }
- path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
- --i;
- while (++i < m) {
- pi = points[i % n];
- px.shift();
- px.push(pi[0]);
- py.shift();
- py.push(pi[1]);
- d3_svg_lineBasisBezier(path, px, py);
- }
- return path.join("");
- }
- function d3_svg_lineBundle(points, tension) {
- var n = points.length - 1;
- if (n) {
- var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
- while (++i <= n) {
- p = points[i];
- t = i / n;
- p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
- p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
- }
- }
- return d3_svg_lineBasis(points);
- }
- function d3_svg_lineDot4(a, b) {
- return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
- }
- 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 ];
- function d3_svg_lineBasisBezier(path, x, y) {
- 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));
- }
- function d3_svg_lineSlope(p0, p1) {
- return (p1[1] - p0[1]) / (p1[0] - p0[0]);
- }
- function d3_svg_lineFiniteDifferences(points) {
- var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
- while (++i < j) {
- m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
- }
- m[i] = d;
- return m;
- }
- function d3_svg_lineMonotoneTangents(points) {
- var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
- while (++i < j) {
- d = d3_svg_lineSlope(points[i], points[i + 1]);
- if (Math.abs(d) < 1e-6) {
- m[i] = m[i + 1] = 0;
- } else {
- a = m[i] / d;
- b = m[i + 1] / d;
- s = a * a + b * b;
- if (s > 9) {
- s = d * 3 / Math.sqrt(s);
- m[i] = s * a;
- m[i + 1] = s * b;
- }
- }
- }
- i = -1;
- while (++i <= j) {
- s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
- tangents.push([ s || 0, m[i] * s || 0 ]);
- }
- return tangents;
- }
- function d3_svg_lineMonotone(points) {
- return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
- }
- d3.geom.hull = function(vertices) {
- var x = d3_svg_lineX, y = d3_svg_lineY;
- if (arguments.length) return hull(vertices);
- function hull(data) {
- if (data.length < 3) return [];
- var fx = d3_functor(x), fy = d3_functor(y), n = data.length, vertices, plen = n - 1, points = [], stack = [], d, i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
- if (fx === d3_svg_lineX && y === d3_svg_lineY) vertices = data; else for (i = 0,
- vertices = []; i < n; ++i) {
- vertices.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
- }
- for (i = 1; i < n; ++i) {
- if (vertices[i][1] < vertices[h][1]) {
- h = i;
- } else if (vertices[i][1] == vertices[h][1]) {
- h = vertices[i][0] < vertices[h][0] ? i : h;
- }
- }
- for (i = 0; i < n; ++i) {
- if (i === h) continue;
- y1 = vertices[i][1] - vertices[h][1];
- x1 = vertices[i][0] - vertices[h][0];
- points.push({
- angle: Math.atan2(y1, x1),
- index: i
- });
- }
- points.sort(function(a, b) {
- return a.angle - b.angle;
- });
- a = points[0].angle;
- v = points[0].index;
- u = 0;
- for (i = 1; i < plen; ++i) {
- j = points[i].index;
- if (a == points[i].angle) {
- x1 = vertices[v][0] - vertices[h][0];
- y1 = vertices[v][1] - vertices[h][1];
- x2 = vertices[j][0] - vertices[h][0];
- y2 = vertices[j][1] - vertices[h][1];
- if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
- points[i].index = -1;
- } else {
- points[u].index = -1;
- a = points[i].angle;
- u = i;
- v = j;
- }
- } else {
- a = points[i].angle;
- u = i;
- v = j;
- }
- }
- stack.push(h);
- for (i = 0, j = 0; i < 2; ++j) {
- if (points[j].index !== -1) {
- stack.push(points[j].index);
- i++;
- }
- }
- sp = stack.length;
- for (;j < plen; ++j) {
- if (points[j].index === -1) continue;
- while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
- --sp;
- }
- stack[sp++] = points[j].index;
- }
- var poly = [];
- for (i = 0; i < sp; ++i) {
- poly.push(data[stack[i]]);
- }
- return poly;
- }
- hull.x = function(_) {
- return arguments.length ? (x = _, hull) : x;
- };
- hull.y = function(_) {
- return arguments.length ? (y = _, hull) : y;
- };
- return hull;
- };
- function d3_geom_hullCCW(i1, i2, i3, v) {
- var t, a, b, c, d, e, f;
- t = v[i1];
- a = t[0];
- b = t[1];
- t = v[i2];
- c = t[0];
- d = t[1];
- t = v[i3];
- e = t[0];
- f = t[1];
- return (f - b) * (c - a) - (d - b) * (e - a) > 0;
- }
- d3.geom.polygon = function(coordinates) {
- coordinates.area = function() {
- var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1];
- while (++i < n) {
- area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1];
- }
- return area * .5;
- };
- coordinates.centroid = function(k) {
- var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
- if (!arguments.length) k = -1 / (6 * coordinates.area());
- while (++i < n) {
- a = b;
- b = coordinates[i];
- c = a[0] * b[1] - b[0] * a[1];
- x += (a[0] + b[0]) * c;
- y += (a[1] + b[1]) * c;
- }
- return [ x * k, y * k ];
- };
- coordinates.clip = function(subject) {
- var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
- while (++i < n) {
- input = subject.slice();
- subject.length = 0;
- b = coordinates[i];
- c = input[(m = input.length) - 1];
- j = -1;
- while (++j < m) {
- d = input[j];
- if (d3_geom_polygonInside(d, a, b)) {
- if (!d3_geom_polygonInside(c, a, b)) {
- subject.push(d3_geom_polygonIntersect(c, d, a, b));
- }
- subject.push(d);
- } else if (d3_geom_polygonInside(c, a, b)) {
- subject.push(d3_geom_polygonIntersect(c, d, a, b));
- }
- c = d;
- }
- a = b;
- }
- return subject;
- };
- return coordinates;
- };
- function d3_geom_polygonInside(p, a, b) {
- return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
- }
- function d3_geom_polygonIntersect(c, d, a, b) {
- 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);
- return [ x1 + ua * x21, y1 + ua * y21 ];
- }
- d3.geom.delaunay = function(vertices) {
- var edges = vertices.map(function() {
- return [];
- }), triangles = [];
- d3_geom_voronoiTessellate(vertices, function(e) {
- edges[e.region.l.index].push(vertices[e.region.r.index]);
- });
- edges.forEach(function(edge, i) {
- var v = vertices[i], cx = v[0], cy = v[1];
- edge.forEach(function(v) {
- v.angle = Math.atan2(v[0] - cx, v[1] - cy);
- });
- edge.sort(function(a, b) {
- return a.angle - b.angle;
- });
- for (var j = 0, m = edge.length - 1; j < m; j++) {
- triangles.push([ v, edge[j], edge[j + 1] ]);
- }
- });
- return triangles;
- };
- d3.geom.voronoi = function(points) {
- var size = null, x = d3_svg_lineX, y = d3_svg_lineY, clip;
- if (arguments.length) return voronoi(points);
- function voronoi(data) {
- var points, polygons = data.map(function() {
- return [];
- }), fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length, Z = 1e6;
- if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (points = [],
- i = 0; i < n; ++i) {
- points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
- }
- d3_geom_voronoiTessellate(points, function(e) {
- var s1, s2, x1, x2, y1, y2;
- if (e.a === 1 && e.b >= 0) {
- s1 = e.ep.r;
- s2 = e.ep.l;
- } else {
- s1 = e.ep.l;
- s2 = e.ep.r;
- }
- if (e.a === 1) {
- y1 = s1 ? s1.y : -Z;
- x1 = e.c - e.b * y1;
- y2 = s2 ? s2.y : Z;
- x2 = e.c - e.b * y2;
- } else {
- x1 = s1 ? s1.x : -Z;
- y1 = e.c - e.a * x1;
- x2 = s2 ? s2.x : Z;
- y2 = e.c - e.a * x2;
- }
- var v1 = [ x1, y1 ], v2 = [ x2, y2 ];
- polygons[e.region.l.index].push(v1, v2);
- polygons[e.region.r.index].push(v1, v2);
- });
- polygons = polygons.map(function(polygon, i) {
- var cx = points[i][0], cy = points[i][1], angle = polygon.map(function(v) {
- return Math.atan2(v[0] - cx, v[1] - cy);
- }), order = d3.range(polygon.length).sort(function(a, b) {
- return angle[a] - angle[b];
- });
- return order.filter(function(d, i) {
- return !i || angle[d] - angle[order[i - 1]] > ε;
- }).map(function(d) {
- return polygon[d];
- });
- });
- polygons.forEach(function(polygon, i) {
- var n = polygon.length;
- if (!n) return polygon.push([ -Z, -Z ], [ -Z, Z ], [ Z, Z ], [ Z, -Z ]);
- if (n > 2) return;
- var p0 = points[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
- if (Math.abs(dy) < ε) {
- var y = y0 < y1 ? -Z : Z;
- polygon.push([ -Z, y ], [ Z, y ]);
- } else if (dx < ε) {
- var x = x0 < x1 ? -Z : Z;
- polygon.push([ x, -Z ], [ x, Z ]);
- } else {
- var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
- if (Math.abs(z) < ε) {
- polygon.push([ dy < 0 ? y : -y, y ]);
- } else {
- if (z > 0) y *= -1;
- polygon.push([ -Z, y ], [ Z, y ]);
- }
- }
- });
- if (clip) for (i = 0; i < n; ++i) clip(polygons[i]);
- for (i = 0; i < n; ++i) polygons[i].point = data[i];
- return polygons;
- }
- voronoi.x = function(_) {
- return arguments.length ? (x = _, voronoi) : x;
- };
- voronoi.y = function(_) {
- return arguments.length ? (y = _, voronoi) : y;
- };
- voronoi.size = function(_) {
- if (!arguments.length) return size;
- if (_ == null) {
- clip = null;
- } else {
- size = [ +_[0], +_[1] ];
- clip = d3.geom.polygon([ [ 0, 0 ], [ 0, size[1] ], size, [ size[0], 0 ] ]).clip;
- }
- return voronoi;
- };
- voronoi.links = function(data) {
- var points, graph = data.map(function() {
- return [];
- }), links = [], fx = d3_functor(x), fy = d3_functor(y), d, i, n = data.length;
- if (fx === d3_svg_lineX && fy === d3_svg_lineY) points = data; else for (i = 0; i < n; ++i) {
- points.push([ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ]);
- }
- d3_geom_voronoiTessellate(points, function(e) {
- var l = e.region.l.index, r = e.region.r.index;
- if (graph[l][r]) return;
- graph[l][r] = graph[r][l] = true;
- links.push({
- source: data[l],
- target: data[r]
- });
- });
- return links;
- };
- voronoi.triangles = function(data) {
- if (x === d3_svg_lineX && y === d3_svg_lineY) return d3.geom.delaunay(data);
- var points, point, fx = d3_functor(x), fy = d3_functor(y), d, i, n;
- for (i = 0, points = [], n = data.length; i < n; ++i) {
- point = [ +fx.call(this, d = data[i], i), +fy.call(this, d, i) ];
- point.data = d;
- points.push(point);
- }
- return d3.geom.delaunay(points).map(function(triangle) {
- return triangle.map(function(point) {
- return point.data;
- });
- });
- };
- return voronoi;
- };
- var d3_geom_voronoiOpposite = {
- l: "r",
- r: "l"
- };
- function d3_geom_voronoiTessellate(points, callback) {
- var Sites = {
- list: points.map(function(v, i) {
- return {
- index: i,
- x: v[0],
- y: v[1]
- };
- }).sort(function(a, b) {
- return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
- }),
- bottomSite: null
- };
- var EdgeList = {
- list: [],
- leftEnd: null,
- rightEnd: null,
- init: function() {
- EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
- EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
- EdgeList.leftEnd.r = EdgeList.rightEnd;
- EdgeList.rightEnd.l = EdgeList.leftEnd;
- EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
- },
- createHalfEdge: function(edge, side) {
- return {
- edge: edge,
- side: side,
- vertex: null,
- l: null,
- r: null
- };
- },
- insert: function(lb, he) {
- he.l = lb;
- he.r = lb.r;
- lb.r.l = he;
- lb.r = he;
- },
- leftBound: function(p) {
- var he = EdgeList.leftEnd;
- do {
- he = he.r;
- } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
- he = he.l;
- return he;
- },
- del: function(he) {
- he.l.r = he.r;
- he.r.l = he.l;
- he.edge = null;
- },
- right: function(he) {
- return he.r;
- },
- left: function(he) {
- return he.l;
- },
- leftRegion: function(he) {
- return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
- },
- rightRegion: function(he) {
- return he.edge == null ? Sites.bottomSite : he.edge.region[d3_geom_voronoiOpposite[he.side]];
- }
- };
- var Geom = {
- bisect: function(s1, s2) {
- var newEdge = {
- region: {
- l: s1,
- r: s2
- },
- ep: {
- l: null,
- r: null
- }
- };
- var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
- newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * .5;
- if (adx > ady) {
- newEdge.a = 1;
- newEdge.b = dy / dx;
- newEdge.c /= dx;
- } else {
- newEdge.b = 1;
- newEdge.a = dx / dy;
- newEdge.c /= dy;
- }
- return newEdge;
- },
- intersect: function(el1, el2) {
- var e1 = el1.edge, e2 = el2.edge;
- if (!e1 || !e2 || e1.region.r == e2.region.r) {
- return null;
- }
- var d = e1.a * e2.b - e1.b * e2.a;
- if (Math.abs(d) < 1e-10) {
- return null;
- }
- var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
- if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
- el = el1;
- e = e1;
- } else {
- el = el2;
- e = e2;
- }
- var rightOfSite = xint >= e.region.r.x;
- if (rightOfSite && el.side === "l" || !rightOfSite && el.side === "r") {
- return null;
- }
- return {
- x: xint,
- y: yint
- };
- },
- rightOf: function(he, p) {
- var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
- if (rightOfSite && he.side === "l") {
- return 1;
- }
- if (!rightOfSite && he.side === "r") {
- return 0;
- }
- if (e.a === 1) {
- var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
- if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
- above = fast = dyp >= e.b * dxp;
- } else {
- above = p.x + p.y * e.b > e.c;
- if (e.b < 0) {
- above = !above;
- }
- if (!above) {
- fast = 1;
- }
- }
- if (!fast) {
- var dxs = topsite.x - e.region.l.x;
- above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
- if (e.b < 0) {
- above = !above;
- }
- }
- } else {
- var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
- above = t1 * t1 > t2 * t2 + t3 * t3;
- }
- return he.side === "l" ? above : !above;
- },
- endPoint: function(edge, side, site) {
- edge.ep[side] = site;
- if (!edge.ep[d3_geom_voronoiOpposite[side]]) return;
- callback(edge);
- },
- distance: function(s, t) {
- var dx = s.x - t.x, dy = s.y - t.y;
- return Math.sqrt(dx * dx + dy * dy);
- }
- };
- var EventQueue = {
- list: [],
- insert: function(he, site, offset) {
- he.vertex = site;
- he.ystar = site.y + offset;
- for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
- var next = list[i];
- if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
- continue;
- } else {
- break;
- }
- }
- list.splice(i, 0, he);
- },
- del: function(he) {
- for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {}
- ls.splice(i, 1);
- },
- empty: function() {
- return EventQueue.list.length === 0;
- },
- nextEvent: function(he) {
- for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
- if (ls[i] == he) return ls[i + 1];
- }
- return null;
- },
- min: function() {
- var elem = EventQueue.list[0];
- return {
- x: elem.vertex.x,
- y: elem.ystar
- };
- },
- extractMin: function() {
- return EventQueue.list.shift();
- }
- };
- EdgeList.init();
- Sites.bottomSite = Sites.list.shift();
- var newSite = Sites.list.shift(), newIntStar;
- var lbnd, rbnd, llbnd, rrbnd, bisector;
- var bot, top, temp, p, v;
- var e, pm;
- while (true) {
- if (!EventQueue.empty()) {
- newIntStar = EventQueue.min();
- }
- if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
- lbnd = EdgeList.leftBound(newSite);
- rbnd = EdgeList.right(lbnd);
- bot = EdgeList.rightRegion(lbnd);
- e = Geom.bisect(bot, newSite);
- bisector = EdgeList.createHalfEdge(e, "l");
- EdgeList.insert(lbnd, bisector);
- p = Geom.intersect(lbnd, bisector);
- if (p) {
- EventQueue.del(lbnd);
- EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
- }
- lbnd = bisector;
- bisector = EdgeList.createHalfEdge(e, "r");
- EdgeList.insert(lbnd, bisector);
- p = Geom.intersect(bisector, rbnd);
- if (p) {
- EventQueue.insert(bisector, p, Geom.distance(p, newSite));
- }
- newSite = Sites.list.shift();
- } else if (!EventQueue.empty()) {
- lbnd = EventQueue.extractMin();
- llbnd = EdgeList.left(lbnd);
- rbnd = EdgeList.right(lbnd);
- rrbnd = EdgeList.right(rbnd);
- bot = EdgeList.leftRegion(lbnd);
- top = EdgeList.rightRegion(rbnd);
- v = lbnd.vertex;
- Geom.endPoint(lbnd.edge, lbnd.side, v);
- Geom.endPoint(rbnd.edge, rbnd.side, v);
- EdgeList.del(lbnd);
- EventQueue.del(rbnd);
- EdgeList.del(rbnd);
- pm = "l";
- if (bot.y > top.y) {
- temp = bot;
- bot = top;
- top = temp;
- pm = "r";
- }
- e = Geom.bisect(bot, top);
- bisector = EdgeList.createHalfEdge(e, pm);
- EdgeList.insert(llbnd, bisector);
- Geom.endPoint(e, d3_geom_voronoiOpposite[pm], v);
- p = Geom.intersect(llbnd, bisector);
- if (p) {
- EventQueue.del(llbnd);
- EventQueue.insert(llbnd, p, Geom.distance(p, bot));
- }
- p = Geom.intersect(bisector, rrbnd);
- if (p) {
- EventQueue.insert(bisector, p, Geom.distance(p, bot));
- }
- } else {
- break;
- }
- }
- for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
- callback(lbnd.edge);
- }
- }
- d3.geom.quadtree = function(points, x1, y1, x2, y2) {
- var x = d3_svg_lineX, y = d3_svg_lineY, compat;
- if (compat = arguments.length) {
- x = d3_geom_quadtreeCompatX;
- y = d3_geom_quadtreeCompatY;
- if (compat === 3) {
- y2 = y1;
- x2 = x1;
- y1 = x1 = 0;
- }
- return quadtree(points);
- }
- function quadtree(data) {
- var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
- if (x1 != null) {
- x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
- } else {
- x2_ = y2_ = -(x1_ = y1_ = Infinity);
- xs = [], ys = [];
- n = data.length;
- if (compat) for (i = 0; i < n; ++i) {
- d = data[i];
- if (d.x < x1_) x1_ = d.x;
- if (d.y < y1_) y1_ = d.y;
- if (d.x > x2_) x2_ = d.x;
- if (d.y > y2_) y2_ = d.y;
- xs.push(d.x);
- ys.push(d.y);
- } else for (i = 0; i < n; ++i) {
- var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
- if (x_ < x1_) x1_ = x_;
- if (y_ < y1_) y1_ = y_;
- if (x_ > x2_) x2_ = x_;
- if (y_ > y2_) y2_ = y_;
- xs.push(x_);
- ys.push(y_);
- }
- }
- var dx = x2_ - x1_, dy = y2_ - y1_;
- if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
- function insert(n, d, x, y, x1, y1, x2, y2) {
- if (isNaN(x) || isNaN(y)) return;
- if (n.leaf) {
- var nx = n.x, ny = n.y;
- if (nx != null) {
- if (Math.abs(nx - x) + Math.abs(ny - y) < .01) {
- insertChild(n, d, x, y, x1, y1, x2, y2);
- } else {
- var nPoint = n.point;
- n.x = n.y = n.point = null;
- insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
- insertChild(n, d, x, y, x1, y1, x2, y2);
- }
- } else {
- n.x = x, n.y = y, n.point = d;
- }
- } else {
- insertChild(n, d, x, y, x1, y1, x2, y2);
- }
- }
- function insertChild(n, d, x, y, x1, y1, x2, y2) {
- var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, right = x >= sx, bottom = y >= sy, i = (bottom << 1) + right;
- n.leaf = false;
- n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
- if (right) x1 = sx; else x2 = sx;
- if (bottom) y1 = sy; else y2 = sy;
- insert(n, d, x, y, x1, y1, x2, y2);
- }
- var root = d3_geom_quadtreeNode();
- root.add = function(d) {
- insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
- };
- root.visit = function(f) {
- d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
- };
- i = -1;
- if (x1 == null) {
- while (++i < n) {
- insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
- }
- --i;
- } else data.forEach(root.add);
- xs = ys = data = d = null;
- return root;
- }
- quadtree.x = function(_) {
- return arguments.length ? (x = _, quadtree) : x;
- };
- quadtree.y = function(_) {
- return arguments.length ? (y = _, quadtree) : y;
- };
- quadtree.size = function(_) {
- if (!arguments.length) return x1 == null ? null : [ x2, y2 ];
- if (_ == null) {
- x1 = y1 = x2 = y2 = null;
- } else {
- x1 = y1 = 0;
- x2 = +_[0], y2 = +_[1];
- }
- return quadtree;
- };
- return quadtree;
- };
- function d3_geom_quadtreeCompatX(d) {
- return d.x;
- }
- function d3_geom_quadtreeCompatY(d) {
- return d.y;
- }
- function d3_geom_quadtreeNode() {
- return {
- leaf: true,
- nodes: [],
- point: null,
- x: null,
- y: null
- };
- }
- function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
- if (!f(node, x1, y1, x2, y2)) {
- var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
- if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
- if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
- if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
- if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
- }
- }
- d3.interpolateRgb = d3_interpolateRgb;
- function d3_interpolateRgb(a, b) {
- a = d3.rgb(a);
- b = d3.rgb(b);
- var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
- return function(t) {
- 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));
- };
- }
- d3.transform = function(string) {
- var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
- return (d3.transform = function(string) {
- g.setAttribute("transform", string);
- var t = g.transform.baseVal.consolidate();
- return new d3_transform(t ? t.matrix : d3_transformIdentity);
- })(string);
- };
- function d3_transform(m) {
- 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;
- if (r0[0] * r1[1] < r1[0] * r0[1]) {
- r0[0] *= -1;
- r0[1] *= -1;
- kx *= -1;
- kz *= -1;
- }
- this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
- this.translate = [ m.e, m.f ];
- this.scale = [ kx, ky ];
- this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
- }
- d3_transform.prototype.toString = function() {
- return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
- };
- function d3_transformDot(a, b) {
- return a[0] * b[0] + a[1] * b[1];
- }
- function d3_transformNormalize(a) {
- var k = Math.sqrt(d3_transformDot(a, a));
- if (k) {
- a[0] /= k;
- a[1] /= k;
- }
- return k;
- }
- function d3_transformCombine(a, b, k) {
- a[0] += k * b[0];
- a[1] += k * b[1];
- return a;
- }
- var d3_transformIdentity = {
- a: 1,
- b: 0,
- c: 0,
- d: 1,
- e: 0,
- f: 0
- };
- d3.interpolateNumber = d3_interpolateNumber;
- function d3_interpolateNumber(a, b) {
- b -= a = +a;
- return function(t) {
- return a + b * t;
- };
- }
- d3.interpolateTransform = d3_interpolateTransform;
- function d3_interpolateTransform(a, b) {
- 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;
- if (ta[0] != tb[0] || ta[1] != tb[1]) {
- s.push("translate(", null, ",", null, ")");
- q.push({
- i: 1,
- x: d3_interpolateNumber(ta[0], tb[0])
- }, {
- i: 3,
- x: d3_interpolateNumber(ta[1], tb[1])
- });
- } else if (tb[0] || tb[1]) {
- s.push("translate(" + tb + ")");
- } else {
- s.push("");
- }
- if (ra != rb) {
- if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
- q.push({
- i: s.push(s.pop() + "rotate(", null, ")") - 2,
- x: d3_interpolateNumber(ra, rb)
- });
- } else if (rb) {
- s.push(s.pop() + "rotate(" + rb + ")");
- }
- if (wa != wb) {
- q.push({
- i: s.push(s.pop() + "skewX(", null, ")") - 2,
- x: d3_interpolateNumber(wa, wb)
- });
- } else if (wb) {
- s.push(s.pop() + "skewX(" + wb + ")");
- }
- if (ka[0] != kb[0] || ka[1] != kb[1]) {
- n = s.push(s.pop() + "scale(", null, ",", null, ")");
- q.push({
- i: n - 4,
- x: d3_interpolateNumber(ka[0], kb[0])
- }, {
- i: n - 2,
- x: d3_interpolateNumber(ka[1], kb[1])
- });
- } else if (kb[0] != 1 || kb[1] != 1) {
- s.push(s.pop() + "scale(" + kb + ")");
- }
- n = q.length;
- return function(t) {
- var i = -1, o;
- while (++i < n) s[(o = q[i]).i] = o.x(t);
- return s.join("");
- };
- }
- d3.interpolateObject = d3_interpolateObject;
- function d3_interpolateObject(a, b) {
- var i = {}, c = {}, k;
- for (k in a) {
- if (k in b) {
- i[k] = d3_interpolateByName(k)(a[k], b[k]);
- } else {
- c[k] = a[k];
- }
- }
- for (k in b) {
- if (!(k in a)) {
- c[k] = b[k];
- }
- }
- return function(t) {
- for (k in i) c[k] = i[k](t);
- return c;
- };
- }
- d3.interpolateString = d3_interpolateString;
- function d3_interpolateString(a, b) {
- var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
- a = a + "", b = b + "";
- d3_interpolate_number.lastIndex = 0;
- for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
- if (m.index) s.push(b.substring(s0, s1 = m.index));
- q.push({
- i: s.length,
- x: m[0]
- });
- s.push(null);
- s0 = d3_interpolate_number.lastIndex;
- }
- if (s0 < b.length) s.push(b.substring(s0));
- for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
- o = q[i];
- if (o.x == m[0]) {
- if (o.i) {
- if (s[o.i + 1] == null) {
- s[o.i - 1] += o.x;
- s.splice(o.i, 1);
- for (j = i + 1; j < n; ++j) q[j].i--;
- } else {
- s[o.i - 1] += o.x + s[o.i + 1];
- s.splice(o.i, 2);
- for (j = i + 1; j < n; ++j) q[j].i -= 2;
- }
- } else {
- if (s[o.i + 1] == null) {
- s[o.i] = o.x;
- } else {
- s[o.i] = o.x + s[o.i + 1];
- s.splice(o.i + 1, 1);
- for (j = i + 1; j < n; ++j) q[j].i--;
- }
- }
- q.splice(i, 1);
- n--;
- i--;
- } else {
- o.x = d3_interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
- }
- }
- while (i < n) {
- o = q.pop();
- if (s[o.i + 1] == null) {
- s[o.i] = o.x;
- } else {
- s[o.i] = o.x + s[o.i + 1];
- s.splice(o.i + 1, 1);
- }
- n--;
- }
- if (s.length === 1) {
- return s[0] == null ? q[0].x : function() {
- return b;
- };
- }
- return function(t) {
- for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
- return s.join("");
- };
- }
- var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
- d3.interpolate = d3_interpolate;
- function d3_interpolate(a, b) {
- var i = d3.interpolators.length, f;
- while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
- return f;
- }
- function d3_interpolateByName(name) {
- return name == "transform" ? d3_interpolateTransform : d3_interpolate;
- }
- d3.interpolators = [ function(a, b) {
- var t = typeof b;
- return (t === "string" || t !== typeof a ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_Color ? d3_interpolateRgb : t === "object" ? Array.isArray(b) ? d3_interpolateArray : d3_interpolateObject : d3_interpolateNumber)(a, b);
- } ];
- d3.interpolateArray = d3_interpolateArray;
- function d3_interpolateArray(a, b) {
- var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
- for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
- for (;i < na; ++i) c[i] = a[i];
- for (;i < nb; ++i) c[i] = b[i];
- return function(t) {
- for (i = 0; i < n0; ++i) c[i] = x[i](t);
- return c;
- };
- }
- var d3_ease_default = function() {
- return d3_identity;
- };
- var d3_ease = d3.map({
- linear: d3_ease_default,
- poly: d3_ease_poly,
- quad: function() {
- return d3_ease_quad;
- },
- cubic: function() {
- return d3_ease_cubic;
- },
- sin: function() {
- return d3_ease_sin;
- },
- exp: function() {
- return d3_ease_exp;
- },
- circle: function() {
- return d3_ease_circle;
- },
- elastic: d3_ease_elastic,
- back: d3_ease_back,
- bounce: function() {
- return d3_ease_bounce;
- }
- });
- var d3_ease_mode = d3.map({
- "in": d3_identity,
- out: d3_ease_reverse,
- "in-out": d3_ease_reflect,
- "out-in": function(f) {
- return d3_ease_reflect(d3_ease_reverse(f));
- }
- });
- d3.ease = function(name) {
- var i = name.indexOf("-"), t = i >= 0 ? name.substring(0, i) : name, m = i >= 0 ? name.substring(i + 1) : "in";
- t = d3_ease.get(t) || d3_ease_default;
- m = d3_ease_mode.get(m) || d3_identity;
- return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
- };
- function d3_ease_clamp(f) {
- return function(t) {
- return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
- };
- }
- function d3_ease_reverse(f) {
- return function(t) {
- return 1 - f(1 - t);
- };
- }
- function d3_ease_reflect(f) {
- return function(t) {
- return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
- };
- }
- function d3_ease_quad(t) {
- return t * t;
- }
- function d3_ease_cubic(t) {
- return t * t * t;
- }
- function d3_ease_cubicInOut(t) {
- if (t <= 0) return 0;
- if (t >= 1) return 1;
- var t2 = t * t, t3 = t2 * t;
- return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
- }
- function d3_ease_poly(e) {
- return function(t) {
- return Math.pow(t, e);
- };
- }
- function d3_ease_sin(t) {
- return 1 - Math.cos(t * π / 2);
- }
- function d3_ease_exp(t) {
- return Math.pow(2, 10 * (t - 1));
- }
- function d3_ease_circle(t) {
- return 1 - Math.sqrt(1 - t * t);
- }
- function d3_ease_elastic(a, p) {
- var s;
- if (arguments.length < 2) p = .45;
- if (arguments.length) s = p / (2 * π) * Math.asin(1 / a); else a = 1, s = p / 4;
- return function(t) {
- return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * π / p);
- };
- }
- function d3_ease_back(s) {
- if (!s) s = 1.70158;
- return function(t) {
- return t * t * ((s + 1) * t - s);
- };
- }
- function d3_ease_bounce(t) {
- 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;
- }
- d3.interpolateHcl = d3_interpolateHcl;
- function d3_interpolateHcl(a, b) {
- a = d3.hcl(a);
- b = d3.hcl(b);
- var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
- if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
- return function(t) {
- return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
- };
- }
- d3.interpolateHsl = d3_interpolateHsl;
- function d3_interpolateHsl(a, b) {
- a = d3.hsl(a);
- b = d3.hsl(b);
- var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
- if (h1 > 180) h1 -= 360; else if (h1 < -180) h1 += 360;
- return function(t) {
- return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + "";
- };
- }
- d3.interpolateLab = d3_interpolateLab;
- function d3_interpolateLab(a, b) {
- a = d3.lab(a);
- b = d3.lab(b);
- var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
- return function(t) {
- return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
- };
- }
- d3.interpolateRound = d3_interpolateRound;
- function d3_interpolateRound(a, b) {
- b -= a;
- return function(t) {
- return Math.round(a + b * t);
- };
- }
- function d3_uninterpolateNumber(a, b) {
- b = b - (a = +a) ? 1 / (b - a) : 0;
- return function(x) {
- return (x - a) * b;
- };
- }
- function d3_uninterpolateClamp(a, b) {
- b = b - (a = +a) ? 1 / (b - a) : 0;
- return function(x) {
- return Math.max(0, Math.min(1, (x - a) * b));
- };
- }
- d3.layout = {};
- d3.layout.bundle = function() {
- return function(links) {
- var paths = [], i = -1, n = links.length;
- while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
- return paths;
- };
- };
- function d3_layout_bundlePath(link) {
- var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
- while (start !== lca) {
- start = start.parent;
- points.push(start);
- }
- var k = points.length;
- while (end !== lca) {
- points.splice(k, 0, end);
- end = end.parent;
- }
- return points;
- }
- function d3_layout_bundleAncestors(node) {
- var ancestors = [], parent = node.parent;
- while (parent != null) {
- ancestors.push(node);
- node = parent;
- parent = parent.parent;
- }
- ancestors.push(node);
- return ancestors;
- }
- function d3_layout_bundleLeastCommonAncestor(a, b) {
- if (a === b) return a;
- var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
- while (aNode === bNode) {
- sharedNode = aNode;
- aNode = aNodes.pop();
- bNode = bNodes.pop();
- }
- return sharedNode;
- }
- d3.layout.chord = function() {
- var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
- function relayout() {
- var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
- chords = [];
- groups = [];
- k = 0, i = -1;
- while (++i < n) {
- x = 0, j = -1;
- while (++j < n) {
- x += matrix[i][j];
- }
- groupSums.push(x);
- subgroupIndex.push(d3.range(n));
- k += x;
- }
- if (sortGroups) {
- groupIndex.sort(function(a, b) {
- return sortGroups(groupSums[a], groupSums[b]);
- });
- }
- if (sortSubgroups) {
- subgroupIndex.forEach(function(d, i) {
- d.sort(function(a, b) {
- return sortSubgroups(matrix[i][a], matrix[i][b]);
- });
- });
- }
- k = (2 * π - padding * n) / k;
- x = 0, i = -1;
- while (++i < n) {
- x0 = x, j = -1;
- while (++j < n) {
- var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
- subgroups[di + "-" + dj] = {
- index: di,
- subindex: dj,
- startAngle: a0,
- endAngle: a1,
- value: v
- };
- }
- groups[di] = {
- index: di,
- startAngle: x0,
- endAngle: x,
- value: (x - x0) / k
- };
- x += padding;
- }
- i = -1;
- while (++i < n) {
- j = i - 1;
- while (++j < n) {
- var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
- if (source.value || target.value) {
- chords.push(source.value < target.value ? {
- source: target,
- target: source
- } : {
- source: source,
- target: target
- });
- }
- }
- }
- if (sortChords) resort();
- }
- function resort() {
- chords.sort(function(a, b) {
- return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
- });
- }
- chord.matrix = function(x) {
- if (!arguments.length) return matrix;
- n = (matrix = x) && matrix.length;
- chords = groups = null;
- return chord;
- };
- chord.padding = function(x) {
- if (!arguments.length) return padding;
- padding = x;
- chords = groups = null;
- return chord;
- };
- chord.sortGroups = function(x) {
- if (!arguments.length) return sortGroups;
- sortGroups = x;
- chords = groups = null;
- return chord;
- };
- chord.sortSubgroups = function(x) {
- if (!arguments.length) return sortSubgroups;
- sortSubgroups = x;
- chords = null;
- return chord;
- };
- chord.sortChords = function(x) {
- if (!arguments.length) return sortChords;
- sortChords = x;
- if (chords) resort();
- return chord;
- };
- chord.chords = function() {
- if (!chords) relayout();
- return chords;
- };
- chord.groups = function() {
- if (!groups) relayout();
- return groups;
- };
- return chord;
- };
- d3.layout.force = function() {
- 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, gravity = .1, theta = .8, nodes = [], links = [], distances, strengths, charges;
- function repulse(node) {
- return function(quad, x1, _, x2) {
- if (quad.point !== node) {
- var dx = quad.cx - node.x, dy = quad.cy - node.y, dn = 1 / Math.sqrt(dx * dx + dy * dy);
- if ((x2 - x1) * dn < theta) {
- var k = quad.charge * dn * dn;
- node.px -= dx * k;
- node.py -= dy * k;
- return true;
- }
- if (quad.point && isFinite(dn)) {
- var k = quad.pointCharge * dn * dn;
- node.px -= dx * k;
- node.py -= dy * k;
- }
- }
- return !quad.charge;
- };
- }
- force.tick = function() {
- if ((alpha *= .99) < .005) {
- event.end({
- type: "end",
- alpha: alpha = 0
- });
- return true;
- }
- var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
- for (i = 0; i < m; ++i) {
- o = links[i];
- s = o.source;
- t = o.target;
- x = t.x - s.x;
- y = t.y - s.y;
- if (l = x * x + y * y) {
- l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
- x *= l;
- y *= l;
- t.x -= x * (k = s.weight / (t.weight + s.weight));
- t.y -= y * k;
- s.x += x * (k = 1 - k);
- s.y += y * k;
- }
- }
- if (k = alpha * gravity) {
- x = size[0] / 2;
- y = size[1] / 2;
- i = -1;
- if (k) while (++i < n) {
- o = nodes[i];
- o.x += (x - o.x) * k;
- o.y += (y - o.y) * k;
- }
- }
- if (charge) {
- d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
- i = -1;
- while (++i < n) {
- if (!(o = nodes[i]).fixed) {
- q.visit(repulse(o));
- }
- }
- }
- i = -1;
- while (++i < n) {
- o = nodes[i];
- if (o.fixed) {
- o.x = o.px;
- o.y = o.py;
- } else {
- o.x -= (o.px - (o.px = o.x)) * friction;
- o.y -= (o.py - (o.py = o.y)) * friction;
- }
- }
- event.tick({
- type: "tick",
- alpha: alpha
- });
- };
- force.nodes = function(x) {
- if (!arguments.length) return nodes;
- nodes = x;
- return force;
- };
- force.links = function(x) {
- if (!arguments.length) return links;
- links = x;
- return force;
- };
- force.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return force;
- };
- force.linkDistance = function(x) {
- if (!arguments.length) return linkDistance;
- linkDistance = typeof x === "function" ? x : +x;
- return force;
- };
- force.distance = force.linkDistance;
- force.linkStrength = function(x) {
- if (!arguments.length) return linkStrength;
- linkStrength = typeof x === "function" ? x : +x;
- return force;
- };
- force.friction = function(x) {
- if (!arguments.length) return friction;
- friction = +x;
- return force;
- };
- force.charge = function(x) {
- if (!arguments.length) return charge;
- charge = typeof x === "function" ? x : +x;
- return force;
- };
- force.gravity = function(x) {
- if (!arguments.length) return gravity;
- gravity = +x;
- return force;
- };
- force.theta = function(x) {
- if (!arguments.length) return theta;
- theta = +x;
- return force;
- };
- force.alpha = function(x) {
- if (!arguments.length) return alpha;
- x = +x;
- if (alpha) {
- if (x > 0) alpha = x; else alpha = 0;
- } else if (x > 0) {
- event.start({
- type: "start",
- alpha: alpha = x
- });
- d3.timer(force.tick);
- }
- return force;
- };
- force.start = function() {
- var i, j, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
- for (i = 0; i < n; ++i) {
- (o = nodes[i]).index = i;
- o.weight = 0;
- }
- for (i = 0; i < m; ++i) {
- o = links[i];
- if (typeof o.source == "number") o.source = nodes[o.source];
- if (typeof o.target == "number") o.target = nodes[o.target];
- ++o.source.weight;
- ++o.target.weight;
- }
- for (i = 0; i < n; ++i) {
- o = nodes[i];
- if (isNaN(o.x)) o.x = position("x", w);
- if (isNaN(o.y)) o.y = position("y", h);
- if (isNaN(o.px)) o.px = o.x;
- if (isNaN(o.py)) o.py = o.y;
- }
- distances = [];
- 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;
- strengths = [];
- 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;
- charges = [];
- 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;
- function position(dimension, size) {
- var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
- while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
- return Math.random() * size;
- }
- function neighbor() {
- if (!neighbors) {
- neighbors = [];
- for (j = 0; j < n; ++j) {
- neighbors[j] = [];
- }
- for (j = 0; j < m; ++j) {
- var o = links[j];
- neighbors[o.source.index].push(o.target);
- neighbors[o.target.index].push(o.source);
- }
- }
- return neighbors[i];
- }
- return force.resume();
- };
- force.resume = function() {
- return force.alpha(.1);
- };
- force.stop = function() {
- return force.alpha(0);
- };
- force.drag = function() {
- 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);
- if (!arguments.length) return drag;
- this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
- };
- function dragmove(d) {
- d.px = d3.event.x, d.py = d3.event.y;
- force.resume();
- }
- return d3.rebind(force, event, "on");
- };
- function d3_layout_forceDragstart(d) {
- d.fixed |= 2;
- }
- function d3_layout_forceDragend(d) {
- d.fixed &= ~6;
- }
- function d3_layout_forceMouseover(d) {
- d.fixed |= 4;
- d.px = d.x, d.py = d.y;
- }
- function d3_layout_forceMouseout(d) {
- d.fixed &= ~4;
- }
- function d3_layout_forceAccumulate(quad, alpha, charges) {
- var cx = 0, cy = 0;
- quad.charge = 0;
- if (!quad.leaf) {
- var nodes = quad.nodes, n = nodes.length, i = -1, c;
- while (++i < n) {
- c = nodes[i];
- if (c == null) continue;
- d3_layout_forceAccumulate(c, alpha, charges);
- quad.charge += c.charge;
- cx += c.charge * c.cx;
- cy += c.charge * c.cy;
- }
- }
- if (quad.point) {
- if (!quad.leaf) {
- quad.point.x += Math.random() - .5;
- quad.point.y += Math.random() - .5;
- }
- var k = alpha * charges[quad.point.index];
- quad.charge += quad.pointCharge = k;
- cx += k * quad.point.x;
- cy += k * quad.point.y;
- }
- quad.cx = cx / quad.charge;
- quad.cy = cy / quad.charge;
- }
- var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1;
- d3.layout.hierarchy = function() {
- var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
- function recurse(node, depth, nodes) {
- var childs = children.call(hierarchy, node, depth);
- node.depth = depth;
- nodes.push(node);
- if (childs && (n = childs.length)) {
- var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
- while (++i < n) {
- d = recurse(childs[i], j, nodes);
- d.parent = node;
- c.push(d);
- v += d.value;
- }
- if (sort) c.sort(sort);
- if (value) node.value = v;
- } else if (value) {
- node.value = +value.call(hierarchy, node, depth) || 0;
- }
- return node;
- }
- function revalue(node, depth) {
- var children = node.children, v = 0;
- if (children && (n = children.length)) {
- var i = -1, n, j = depth + 1;
- while (++i < n) v += revalue(children[i], j);
- } else if (value) {
- v = +value.call(hierarchy, node, depth) || 0;
- }
- if (value) node.value = v;
- return v;
- }
- function hierarchy(d) {
- var nodes = [];
- recurse(d, 0, nodes);
- return nodes;
- }
- hierarchy.sort = function(x) {
- if (!arguments.length) return sort;
- sort = x;
- return hierarchy;
- };
- hierarchy.children = function(x) {
- if (!arguments.length) return children;
- children = x;
- return hierarchy;
- };
- hierarchy.value = function(x) {
- if (!arguments.length) return value;
- value = x;
- return hierarchy;
- };
- hierarchy.revalue = function(root) {
- revalue(root, 0);
- return root;
- };
- return hierarchy;
- };
- function d3_layout_hierarchyRebind(object, hierarchy) {
- d3.rebind(object, hierarchy, "sort", "children", "value");
- object.nodes = object;
- object.links = d3_layout_hierarchyLinks;
- return object;
- }
- function d3_layout_hierarchyChildren(d) {
- return d.children;
- }
- function d3_layout_hierarchyValue(d) {
- return d.value;
- }
- function d3_layout_hierarchySort(a, b) {
- return b.value - a.value;
- }
- function d3_layout_hierarchyLinks(nodes) {
- return d3.merge(nodes.map(function(parent) {
- return (parent.children || []).map(function(child) {
- return {
- source: parent,
- target: child
- };
- });
- }));
- }
- d3.layout.partition = function() {
- var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
- function position(node, x, dx, dy) {
- var children = node.children;
- node.x = x;
- node.y = node.depth * dy;
- node.dx = dx;
- node.dy = dy;
- if (children && (n = children.length)) {
- var i = -1, n, c, d;
- dx = node.value ? dx / node.value : 0;
- while (++i < n) {
- position(c = children[i], x, d = c.value * dx, dy);
- x += d;
- }
- }
- }
- function depth(node) {
- var children = node.children, d = 0;
- if (children && (n = children.length)) {
- var i = -1, n;
- while (++i < n) d = Math.max(d, depth(children[i]));
- }
- return 1 + d;
- }
- function partition(d, i) {
- var nodes = hierarchy.call(this, d, i);
- position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
- return nodes;
- }
- partition.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return partition;
- };
- return d3_layout_hierarchyRebind(partition, hierarchy);
- };
- d3.layout.pie = function() {
- var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = 2 * π;
- function pie(data) {
- var values = data.map(function(d, i) {
- return +value.call(pie, d, i);
- });
- var a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle);
- var k = ((typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a) / d3.sum(values);
- var index = d3.range(data.length);
- if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
- return values[j] - values[i];
- } : function(i, j) {
- return sort(data[i], data[j]);
- });
- var arcs = [];
- index.forEach(function(i) {
- var d;
- arcs[i] = {
- data: data[i],
- value: d = values[i],
- startAngle: a,
- endAngle: a += d * k
- };
- });
- return arcs;
- }
- pie.value = function(x) {
- if (!arguments.length) return value;
- value = x;
- return pie;
- };
- pie.sort = function(x) {
- if (!arguments.length) return sort;
- sort = x;
- return pie;
- };
- pie.startAngle = function(x) {
- if (!arguments.length) return startAngle;
- startAngle = x;
- return pie;
- };
- pie.endAngle = function(x) {
- if (!arguments.length) return endAngle;
- endAngle = x;
- return pie;
- };
- return pie;
- };
- var d3_layout_pieSortByValue = {};
- d3.layout.stack = function() {
- var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
- function stack(data, index) {
- var series = data.map(function(d, i) {
- return values.call(stack, d, i);
- });
- var points = series.map(function(d) {
- return d.map(function(v, i) {
- return [ x.call(stack, v, i), y.call(stack, v, i) ];
- });
- });
- var orders = order.call(stack, points, index);
- series = d3.permute(series, orders);
- points = d3.permute(points, orders);
- var offsets = offset.call(stack, points, index);
- var n = series.length, m = series[0].length, i, j, o;
- for (j = 0; j < m; ++j) {
- out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
- for (i = 1; i < n; ++i) {
- out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
- }
- }
- return data;
- }
- stack.values = function(x) {
- if (!arguments.length) return values;
- values = x;
- return stack;
- };
- stack.order = function(x) {
- if (!arguments.length) return order;
- order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
- return stack;
- };
- stack.offset = function(x) {
- if (!arguments.length) return offset;
- offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
- return stack;
- };
- stack.x = function(z) {
- if (!arguments.length) return x;
- x = z;
- return stack;
- };
- stack.y = function(z) {
- if (!arguments.length) return y;
- y = z;
- return stack;
- };
- stack.out = function(z) {
- if (!arguments.length) return out;
- out = z;
- return stack;
- };
- return stack;
- };
- function d3_layout_stackX(d) {
- return d.x;
- }
- function d3_layout_stackY(d) {
- return d.y;
- }
- function d3_layout_stackOut(d, y0, y) {
- d.y0 = y0;
- d.y = y;
- }
- var d3_layout_stackOrders = d3.map({
- "inside-out": function(data) {
- 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) {
- return max[a] - max[b];
- }), top = 0, bottom = 0, tops = [], bottoms = [];
- for (i = 0; i < n; ++i) {
- j = index[i];
- if (top < bottom) {
- top += sums[j];
- tops.push(j);
- } else {
- bottom += sums[j];
- bottoms.push(j);
- }
- }
- return bottoms.reverse().concat(tops);
- },
- reverse: function(data) {
- return d3.range(data.length).reverse();
- },
- "default": d3_layout_stackOrderDefault
- });
- var d3_layout_stackOffsets = d3.map({
- silhouette: function(data) {
- var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
- for (j = 0; j < m; ++j) {
- for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
- if (o > max) max = o;
- sums.push(o);
- }
- for (j = 0; j < m; ++j) {
- y0[j] = (max - sums[j]) / 2;
- }
- return y0;
- },
- wiggle: function(data) {
- var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
- y0[0] = o = o0 = 0;
- for (j = 1; j < m; ++j) {
- for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
- for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
- for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
- s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
- }
- s2 += s3 * data[i][j][1];
- }
- y0[j] = o -= s1 ? s2 / s1 * dx : 0;
- if (o < o0) o0 = o;
- }
- for (j = 0; j < m; ++j) y0[j] -= o0;
- return y0;
- },
- expand: function(data) {
- var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
- for (j = 0; j < m; ++j) {
- for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
- 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;
- }
- for (j = 0; j < m; ++j) y0[j] = 0;
- return y0;
- },
- zero: d3_layout_stackOffsetZero
- });
- function d3_layout_stackOrderDefault(data) {
- return d3.range(data.length);
- }
- function d3_layout_stackOffsetZero(data) {
- var j = -1, m = data[0].length, y0 = [];
- while (++j < m) y0[j] = 0;
- return y0;
- }
- function d3_layout_stackMaxIndex(array) {
- var i = 1, j = 0, v = array[0][1], k, n = array.length;
- for (;i < n; ++i) {
- if ((k = array[i][1]) > v) {
- j = i;
- v = k;
- }
- }
- return j;
- }
- function d3_layout_stackReduceSum(d) {
- return d.reduce(d3_layout_stackSum, 0);
- }
- function d3_layout_stackSum(p, d) {
- return p + d[1];
- }
- d3.layout.histogram = function() {
- var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
- function histogram(data, i) {
- 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;
- while (++i < m) {
- bin = bins[i] = [];
- bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
- bin.y = 0;
- }
- if (m > 0) {
- i = -1;
- while (++i < n) {
- x = values[i];
- if (x >= range[0] && x <= range[1]) {
- bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
- bin.y += k;
- bin.push(data[i]);
- }
- }
- }
- return bins;
- }
- histogram.value = function(x) {
- if (!arguments.length) return valuer;
- valuer = x;
- return histogram;
- };
- histogram.range = function(x) {
- if (!arguments.length) return ranger;
- ranger = d3_functor(x);
- return histogram;
- };
- histogram.bins = function(x) {
- if (!arguments.length) return binner;
- binner = typeof x === "number" ? function(range) {
- return d3_layout_histogramBinFixed(range, x);
- } : d3_functor(x);
- return histogram;
- };
- histogram.frequency = function(x) {
- if (!arguments.length) return frequency;
- frequency = !!x;
- return histogram;
- };
- return histogram;
- };
- function d3_layout_histogramBinSturges(range, values) {
- return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
- }
- function d3_layout_histogramBinFixed(range, n) {
- var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
- while (++x <= n) f[x] = m * x + b;
- return f;
- }
- function d3_layout_histogramRange(values) {
- return [ d3.min(values), d3.max(values) ];
- }
- d3.layout.tree = function() {
- var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
- function tree(d, i) {
- var nodes = hierarchy.call(this, d, i), root = nodes[0];
- function firstWalk(node, previousSibling) {
- var children = node.children, layout = node._tree;
- if (children && (n = children.length)) {
- var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
- while (++i < n) {
- child = children[i];
- firstWalk(child, previousChild);
- ancestor = apportion(child, previousChild, ancestor);
- previousChild = child;
- }
- d3_layout_treeShift(node);
- var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
- if (previousSibling) {
- layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
- layout.mod = layout.prelim - midpoint;
- } else {
- layout.prelim = midpoint;
- }
- } else {
- if (previousSibling) {
- layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
- }
- }
- }
- function secondWalk(node, x) {
- node.x = node._tree.prelim + x;
- var children = node.children;
- if (children && (n = children.length)) {
- var i = -1, n;
- x += node._tree.mod;
- while (++i < n) {
- secondWalk(children[i], x);
- }
- }
- }
- function apportion(node, previousSibling, ancestor) {
- if (previousSibling) {
- 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;
- while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
- vom = d3_layout_treeLeft(vom);
- vop = d3_layout_treeRight(vop);
- vop._tree.ancestor = node;
- shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
- if (shift > 0) {
- d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
- sip += shift;
- sop += shift;
- }
- sim += vim._tree.mod;
- sip += vip._tree.mod;
- som += vom._tree.mod;
- sop += vop._tree.mod;
- }
- if (vim && !d3_layout_treeRight(vop)) {
- vop._tree.thread = vim;
- vop._tree.mod += sim - sop;
- }
- if (vip && !d3_layout_treeLeft(vom)) {
- vom._tree.thread = vip;
- vom._tree.mod += sip - som;
- ancestor = node;
- }
- }
- return ancestor;
- }
- d3_layout_treeVisitAfter(root, function(node, previousSibling) {
- node._tree = {
- ancestor: node,
- prelim: 0,
- mod: 0,
- change: 0,
- shift: 0,
- number: previousSibling ? previousSibling._tree.number + 1 : 0
- };
- });
- firstWalk(root);
- secondWalk(root, -root._tree.prelim);
- 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;
- d3_layout_treeVisitAfter(root, function(node) {
- node.x = (node.x - x0) / (x1 - x0) * size[0];
- node.y = node.depth / y1 * size[1];
- delete node._tree;
- });
- return nodes;
- }
- tree.separation = function(x) {
- if (!arguments.length) return separation;
- separation = x;
- return tree;
- };
- tree.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return tree;
- };
- return d3_layout_hierarchyRebind(tree, hierarchy);
- };
- function d3_layout_treeSeparation(a, b) {
- return a.parent == b.parent ? 1 : 2;
- }
- function d3_layout_treeLeft(node) {
- var children = node.children;
- return children && children.length ? children[0] : node._tree.thread;
- }
- function d3_layout_treeRight(node) {
- var children = node.children, n;
- return children && (n = children.length) ? children[n - 1] : node._tree.thread;
- }
- function d3_layout_treeSearch(node, compare) {
- var children = node.children;
- if (children && (n = children.length)) {
- var child, n, i = -1;
- while (++i < n) {
- if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
- node = child;
- }
- }
- }
- return node;
- }
- function d3_layout_treeRightmost(a, b) {
- return a.x - b.x;
- }
- function d3_layout_treeLeftmost(a, b) {
- return b.x - a.x;
- }
- function d3_layout_treeDeepest(a, b) {
- return a.depth - b.depth;
- }
- function d3_layout_treeVisitAfter(node, callback) {
- function visit(node, previousSibling) {
- var children = node.children;
- if (children && (n = children.length)) {
- var child, previousChild = null, i = -1, n;
- while (++i < n) {
- child = children[i];
- visit(child, previousChild);
- previousChild = child;
- }
- }
- callback(node, previousSibling);
- }
- visit(node, null);
- }
- function d3_layout_treeShift(node) {
- var shift = 0, change = 0, children = node.children, i = children.length, child;
- while (--i >= 0) {
- child = children[i]._tree;
- child.prelim += shift;
- child.mod += shift;
- shift += child.shift + (change += child.change);
- }
- }
- function d3_layout_treeMove(ancestor, node, shift) {
- ancestor = ancestor._tree;
- node = node._tree;
- var change = shift / (node.number - ancestor.number);
- ancestor.change += change;
- node.change -= change;
- node.shift += shift;
- node.prelim += shift;
- node.mod += shift;
- }
- function d3_layout_treeAncestor(vim, node, ancestor) {
- return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
- }
- d3.layout.pack = function() {
- var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ];
- function pack(d, i) {
- var nodes = hierarchy.call(this, d, i), root = nodes[0];
- root.x = 0;
- root.y = 0;
- d3_layout_treeVisitAfter(root, function(d) {
- d.r = Math.sqrt(d.value);
- });
- d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
- var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
- if (padding > 0) {
- var dr = padding * k / 2;
- d3_layout_treeVisitAfter(root, function(d) {
- d.r += dr;
- });
- d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
- d3_layout_treeVisitAfter(root, function(d) {
- d.r -= dr;
- });
- k = Math.max(2 * root.r / w, 2 * root.r / h);
- }
- d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
- return nodes;
- }
- pack.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return pack;
- };
- pack.padding = function(_) {
- if (!arguments.length) return padding;
- padding = +_;
- return pack;
- };
- return d3_layout_hierarchyRebind(pack, hierarchy);
- };
- function d3_layout_packSort(a, b) {
- return a.value - b.value;
- }
- function d3_layout_packInsert(a, b) {
- var c = a._pack_next;
- a._pack_next = b;
- b._pack_prev = a;
- b._pack_next = c;
- c._pack_prev = b;
- }
- function d3_layout_packSplice(a, b) {
- a._pack_next = b;
- b._pack_prev = a;
- }
- function d3_layout_packIntersects(a, b) {
- var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
- return dr * dr - dx * dx - dy * dy > .001;
- }
- function d3_layout_packSiblings(node) {
- if (!(nodes = node.children) || !(n = nodes.length)) return;
- var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
- function bound(node) {
- xMin = Math.min(node.x - node.r, xMin);
- xMax = Math.max(node.x + node.r, xMax);
- yMin = Math.min(node.y - node.r, yMin);
- yMax = Math.max(node.y + node.r, yMax);
- }
- nodes.forEach(d3_layout_packLink);
- a = nodes[0];
- a.x = -a.r;
- a.y = 0;
- bound(a);
- if (n > 1) {
- b = nodes[1];
- b.x = b.r;
- b.y = 0;
- bound(b);
- if (n > 2) {
- c = nodes[2];
- d3_layout_packPlace(a, b, c);
- bound(c);
- d3_layout_packInsert(a, c);
- a._pack_prev = c;
- d3_layout_packInsert(c, b);
- b = a._pack_next;
- for (i = 3; i < n; i++) {
- d3_layout_packPlace(a, b, c = nodes[i]);
- var isect = 0, s1 = 1, s2 = 1;
- for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
- if (d3_layout_packIntersects(j, c)) {
- isect = 1;
- break;
- }
- }
- if (isect == 1) {
- for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
- if (d3_layout_packIntersects(k, c)) {
- break;
- }
- }
- }
- if (isect) {
- if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
- i--;
- } else {
- d3_layout_packInsert(a, c);
- b = c;
- bound(c);
- }
- }
- }
- }
- var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
- for (i = 0; i < n; i++) {
- c = nodes[i];
- c.x -= cx;
- c.y -= cy;
- cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
- }
- node.r = cr;
- nodes.forEach(d3_layout_packUnlink);
- }
- function d3_layout_packLink(node) {
- node._pack_next = node._pack_prev = node;
- }
- function d3_layout_packUnlink(node) {
- delete node._pack_next;
- delete node._pack_prev;
- }
- function d3_layout_packTransform(node, x, y, k) {
- var children = node.children;
- node.x = x += k * node.x;
- node.y = y += k * node.y;
- node.r *= k;
- if (children) {
- var i = -1, n = children.length;
- while (++i < n) d3_layout_packTransform(children[i], x, y, k);
- }
- }
- function d3_layout_packPlace(a, b, c) {
- var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
- if (db && (dx || dy)) {
- var da = b.r + c.r, dc = dx * dx + dy * dy;
- da *= da;
- db *= db;
- var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
- c.x = a.x + x * dx + y * dy;
- c.y = a.y + x * dy - y * dx;
- } else {
- c.x = a.x + db;
- c.y = a.y;
- }
- }
- d3.layout.cluster = function() {
- var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ];
- function cluster(d, i) {
- var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
- d3_layout_treeVisitAfter(root, function(node) {
- var children = node.children;
- if (children && children.length) {
- node.x = d3_layout_clusterX(children);
- node.y = d3_layout_clusterY(children);
- } else {
- node.x = previousNode ? x += separation(node, previousNode) : 0;
- node.y = 0;
- previousNode = node;
- }
- });
- 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;
- d3_layout_treeVisitAfter(root, function(node) {
- node.x = (node.x - x0) / (x1 - x0) * size[0];
- node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
- });
- return nodes;
- }
- cluster.separation = function(x) {
- if (!arguments.length) return separation;
- separation = x;
- return cluster;
- };
- cluster.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return cluster;
- };
- return d3_layout_hierarchyRebind(cluster, hierarchy);
- };
- function d3_layout_clusterY(children) {
- return 1 + d3.max(children, function(child) {
- return child.y;
- });
- }
- function d3_layout_clusterX(children) {
- return children.reduce(function(x, child) {
- return x + child.x;
- }, 0) / children.length;
- }
- function d3_layout_clusterLeft(node) {
- var children = node.children;
- return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
- }
- function d3_layout_clusterRight(node) {
- var children = node.children, n;
- return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
- }
- d3.layout.treemap = function() {
- 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));
- function scale(children, k) {
- var i = -1, n = children.length, child, area;
- while (++i < n) {
- area = (child = children[i]).value * (k < 0 ? 0 : k);
- child.area = isNaN(area) || area <= 0 ? 0 : area;
- }
- }
- function squarify(node) {
- var children = node.children;
- if (children && children.length) {
- 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;
- scale(remaining, rect.dx * rect.dy / node.value);
- row.area = 0;
- while ((n = remaining.length) > 0) {
- row.push(child = remaining[n - 1]);
- row.area += child.area;
- if (mode !== "squarify" || (score = worst(row, u)) <= best) {
- remaining.pop();
- best = score;
- } else {
- row.area -= row.pop().area;
- position(row, u, rect, false);
- u = Math.min(rect.dx, rect.dy);
- row.length = row.area = 0;
- best = Infinity;
- }
- }
- if (row.length) {
- position(row, u, rect, true);
- row.length = row.area = 0;
- }
- children.forEach(squarify);
- }
- }
- function stickify(node) {
- var children = node.children;
- if (children && children.length) {
- var rect = pad(node), remaining = children.slice(), child, row = [];
- scale(remaining, rect.dx * rect.dy / node.value);
- row.area = 0;
- while (child = remaining.pop()) {
- row.push(child);
- row.area += child.area;
- if (child.z != null) {
- position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
- row.length = row.area = 0;
- }
- }
- children.forEach(stickify);
- }
- }
- function worst(row, u) {
- var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
- while (++i < n) {
- if (!(r = row[i].area)) continue;
- if (r < rmin) rmin = r;
- if (r > rmax) rmax = r;
- }
- s *= s;
- u *= u;
- return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
- }
- function position(row, u, rect, flush) {
- var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
- if (u == rect.dx) {
- if (flush || v > rect.dy) v = rect.dy;
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dy = v;
- x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
- }
- o.z = true;
- o.dx += rect.x + rect.dx - x;
- rect.y += v;
- rect.dy -= v;
- } else {
- if (flush || v > rect.dx) v = rect.dx;
- while (++i < n) {
- o = row[i];
- o.x = x;
- o.y = y;
- o.dx = v;
- y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
- }
- o.z = false;
- o.dy += rect.y + rect.dy - y;
- rect.x += v;
- rect.dx -= v;
- }
- }
- function treemap(d) {
- var nodes = stickies || hierarchy(d), root = nodes[0];
- root.x = 0;
- root.y = 0;
- root.dx = size[0];
- root.dy = size[1];
- if (stickies) hierarchy.revalue(root);
- scale([ root ], root.dx * root.dy / root.value);
- (stickies ? stickify : squarify)(root);
- if (sticky) stickies = nodes;
- return nodes;
- }
- treemap.size = function(x) {
- if (!arguments.length) return size;
- size = x;
- return treemap;
- };
- treemap.padding = function(x) {
- if (!arguments.length) return padding;
- function padFunction(node) {
- var p = x.call(treemap, node, node.depth);
- return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
- }
- function padConstant(node) {
- return d3_layout_treemapPad(node, x);
- }
- var type;
- pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ],
- padConstant) : padConstant;
- return treemap;
- };
- treemap.round = function(x) {
- if (!arguments.length) return round != Number;
- round = x ? Math.round : Number;
- return treemap;
- };
- treemap.sticky = function(x) {
- if (!arguments.length) return sticky;
- sticky = x;
- stickies = null;
- return treemap;
- };
- treemap.ratio = function(x) {
- if (!arguments.length) return ratio;
- ratio = x;
- return treemap;
- };
- treemap.mode = function(x) {
- if (!arguments.length) return mode;
- mode = x + "";
- return treemap;
- };
- return d3_layout_hierarchyRebind(treemap, hierarchy);
- };
- function d3_layout_treemapPadNull(node) {
- return {
- x: node.x,
- y: node.y,
- dx: node.dx,
- dy: node.dy
- };
- }
- function d3_layout_treemapPad(node, padding) {
- 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];
- if (dx < 0) {
- x += dx / 2;
- dx = 0;
- }
- if (dy < 0) {
- y += dy / 2;
- dy = 0;
- }
- return {
- x: x,
- y: y,
- dx: dx,
- dy: dy
- };
- }
- d3.random = {
- normal: function(µ, σ) {
- var n = arguments.length;
- if (n < 2) σ = 1;
- if (n < 1) µ = 0;
- return function() {
- var x, y, r;
- do {
- x = Math.random() * 2 - 1;
- y = Math.random() * 2 - 1;
- r = x * x + y * y;
- } while (!r || r > 1);
- return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
- };
- },
- logNormal: function() {
- var random = d3.random.normal.apply(d3, arguments);
- return function() {
- return Math.exp(random());
- };
- },
- irwinHall: function(m) {
- return function() {
- for (var s = 0, j = 0; j < m; j++) s += Math.random();
- return s / m;
- };
- }
- };
- d3.scale = {};
- function d3_scaleExtent(domain) {
- var start = domain[0], stop = domain[domain.length - 1];
- return start < stop ? [ start, stop ] : [ stop, start ];
- }
- function d3_scaleRange(scale) {
- return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
- }
- function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
- var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
- return function(x) {
- return i(u(x));
- };
- }
- function d3_scale_nice(domain, nice) {
- var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
- if (x1 < x0) {
- dx = i0, i0 = i1, i1 = dx;
- dx = x0, x0 = x1, x1 = dx;
- }
- if (nice = nice(x1 - x0)) {
- domain[i0] = nice.floor(x0);
- domain[i1] = nice.ceil(x1);
- }
- return domain;
- }
- function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
- var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
- if (domain[k] < domain[0]) {
- domain = domain.slice().reverse();
- range = range.slice().reverse();
- }
- while (++j <= k) {
- u.push(uninterpolate(domain[j - 1], domain[j]));
- i.push(interpolate(range[j - 1], range[j]));
- }
- return function(x) {
- var j = d3.bisect(domain, x, 1, k) - 1;
- return i[j](u[j](x));
- };
- }
- d3.scale.linear = function() {
- return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
- };
- function d3_scale_linear(domain, range, interpolate, clamp) {
- var output, input;
- function rescale() {
- var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
- output = linear(domain, range, uninterpolate, interpolate);
- input = linear(range, domain, uninterpolate, d3_interpolate);
- return scale;
- }
- function scale(x) {
- return output(x);
- }
- scale.invert = function(y) {
- return input(y);
- };
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = x.map(Number);
- return rescale();
- };
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
- scale.rangeRound = function(x) {
- return scale.range(x).interpolate(d3_interpolateRound);
- };
- scale.clamp = function(x) {
- if (!arguments.length) return clamp;
- clamp = x;
- return rescale();
- };
- scale.interpolate = function(x) {
- if (!arguments.length) return interpolate;
- interpolate = x;
- return rescale();
- };
- scale.ticks = function(m) {
- return d3_scale_linearTicks(domain, m);
- };
- scale.tickFormat = function(m, format) {
- return d3_scale_linearTickFormat(domain, m, format);
- };
- scale.nice = function() {
- d3_scale_nice(domain, d3_scale_linearNice);
- return rescale();
- };
- scale.copy = function() {
- return d3_scale_linear(domain, range, interpolate, clamp);
- };
- return rescale();
- }
- function d3_scale_linearRebind(scale, linear) {
- return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
- }
- function d3_scale_linearNice(dx) {
- dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
- return dx && {
- floor: function(x) {
- return Math.floor(x / dx) * dx;
- },
- ceil: function(x) {
- return Math.ceil(x / dx) * dx;
- }
- };
- }
- function d3_scale_linearTickRange(domain, m) {
- 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;
- if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
- extent[0] = Math.ceil(extent[0] / step) * step;
- extent[1] = Math.floor(extent[1] / step) * step + step * .5;
- extent[2] = step;
- return extent;
- }
- function d3_scale_linearTicks(domain, m) {
- return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
- }
- function d3_scale_linearTickFormat(domain, m, format) {
- var precision = -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01);
- return d3.format(format ? format.replace(d3_format_re, function(a, b, c, d, e, f, g, h, i, j) {
- return [ b, c, d, e, f, g, h, i || "." + (precision - (j === "%") * 2), j ].join("");
- }) : ",." + precision + "f");
- }
- d3.scale.log = function() {
- return d3_scale_log(d3.scale.linear().domain([ 0, Math.LN10 ]), 10, d3_scale_logp, d3_scale_powp);
- };
- function d3_scale_log(linear, base, log, pow) {
- function scale(x) {
- return linear(log(x));
- }
- scale.invert = function(x) {
- return pow(linear.invert(x));
- };
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(pow);
- if (x[0] < 0) log = d3_scale_logn, pow = d3_scale_pown; else log = d3_scale_logp,
- pow = d3_scale_powp;
- linear.domain(x.map(log));
- return scale;
- };
- scale.base = function(_) {
- if (!arguments.length) return base;
- base = +_;
- return scale;
- };
- scale.nice = function() {
- linear.domain(d3_scale_nice(linear.domain(), d3_scale_logNice(base)));
- return scale;
- };
- scale.ticks = function() {
- var extent = d3_scaleExtent(linear.domain()), ticks = [];
- if (extent.every(isFinite)) {
- var b = Math.log(base), i = Math.floor(extent[0] / b), j = Math.ceil(extent[1] / b), u = pow(extent[0]), v = pow(extent[1]), n = base % 1 ? 2 : base;
- if (log === d3_scale_logn) {
- ticks.push(-Math.pow(base, -i));
- for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(-Math.pow(base, -i) * k);
- } else {
- for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(Math.pow(base, i) * k);
- ticks.push(Math.pow(base, i));
- }
- for (i = 0; ticks[i] < u; i++) {}
- for (j = ticks.length; ticks[j - 1] > v; j--) {}
- ticks = ticks.slice(i, j);
- }
- return ticks;
- };
- scale.tickFormat = function(n, format) {
- if (arguments.length < 2) format = d3_scale_logFormat;
- if (!arguments.length) return format;
- var b = Math.log(base), k = Math.max(.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12,
- Math.floor) : (e = 1e-12, Math.ceil), e;
- return function(d) {
- return d / pow(b * f(log(d) / b + e)) <= k ? format(d) : "";
- };
- };
- scale.copy = function() {
- return d3_scale_log(linear.copy(), base, log, pow);
- };
- return d3_scale_linearRebind(scale, linear);
- }
- var d3_scale_logFormat = d3.format(".0e");
- function d3_scale_logp(x) {
- return Math.log(x < 0 ? 0 : x);
- }
- function d3_scale_powp(x) {
- return Math.exp(x);
- }
- function d3_scale_logn(x) {
- return -Math.log(x > 0 ? 0 : -x);
- }
- function d3_scale_pown(x) {
- return -Math.exp(-x);
- }
- function d3_scale_logNice(base) {
- base = Math.log(base);
- var nice = {
- floor: function(x) {
- return Math.floor(x / base) * base;
- },
- ceil: function(x) {
- return Math.ceil(x / base) * base;
- }
- };
- return function() {
- return nice;
- };
- }
- d3.scale.pow = function() {
- return d3_scale_pow(d3.scale.linear(), 1);
- };
- function d3_scale_pow(linear, exponent) {
- var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
- function scale(x) {
- return linear(powp(x));
- }
- scale.invert = function(x) {
- return powb(linear.invert(x));
- };
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(powb);
- linear.domain(x.map(powp));
- return scale;
- };
- scale.ticks = function(m) {
- return d3_scale_linearTicks(scale.domain(), m);
- };
- scale.tickFormat = function(m, format) {
- return d3_scale_linearTickFormat(scale.domain(), m, format);
- };
- scale.nice = function() {
- return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
- };
- scale.exponent = function(x) {
- if (!arguments.length) return exponent;
- var domain = scale.domain();
- powp = d3_scale_powPow(exponent = x);
- powb = d3_scale_powPow(1 / exponent);
- return scale.domain(domain);
- };
- scale.copy = function() {
- return d3_scale_pow(linear.copy(), exponent);
- };
- return d3_scale_linearRebind(scale, linear);
- }
- function d3_scale_powPow(e) {
- return function(x) {
- return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
- };
- }
- d3.scale.sqrt = function() {
- return d3.scale.pow().exponent(.5);
- };
- d3.scale.ordinal = function() {
- return d3_scale_ordinal([], {
- t: "range",
- a: [ [] ]
- });
- };
- function d3_scale_ordinal(domain, ranger) {
- var index, range, rangeBand;
- function scale(x) {
- return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
- }
- function steps(start, step) {
- return d3.range(domain.length).map(function(i) {
- return start + step * i;
- });
- }
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = [];
- index = new d3_Map();
- var i = -1, n = x.length, xi;
- while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
- return scale[ranger.t].apply(scale, ranger.a);
- };
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- rangeBand = 0;
- ranger = {
- t: "range",
- a: arguments
- };
- return scale;
- };
- scale.rangePoints = function(x, padding) {
- if (arguments.length < 2) padding = 0;
- var start = x[0], stop = x[1], step = (stop - start) / (Math.max(1, domain.length - 1) + padding);
- range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
- rangeBand = 0;
- ranger = {
- t: "rangePoints",
- a: arguments
- };
- return scale;
- };
- scale.rangeBands = function(x, padding, outerPadding) {
- if (arguments.length < 2) padding = 0;
- if (arguments.length < 3) outerPadding = padding;
- var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
- range = steps(start + step * outerPadding, step);
- if (reverse) range.reverse();
- rangeBand = step * (1 - padding);
- ranger = {
- t: "rangeBands",
- a: arguments
- };
- return scale;
- };
- scale.rangeRoundBands = function(x, padding, outerPadding) {
- if (arguments.length < 2) padding = 0;
- if (arguments.length < 3) outerPadding = padding;
- 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;
- range = steps(start + Math.round(error / 2), step);
- if (reverse) range.reverse();
- rangeBand = Math.round(step * (1 - padding));
- ranger = {
- t: "rangeRoundBands",
- a: arguments
- };
- return scale;
- };
- scale.rangeBand = function() {
- return rangeBand;
- };
- scale.rangeExtent = function() {
- return d3_scaleExtent(ranger.a[0]);
- };
- scale.copy = function() {
- return d3_scale_ordinal(domain, ranger);
- };
- return scale.domain(domain);
- }
- d3.scale.category10 = function() {
- return d3.scale.ordinal().range(d3_category10);
- };
- d3.scale.category20 = function() {
- return d3.scale.ordinal().range(d3_category20);
- };
- d3.scale.category20b = function() {
- return d3.scale.ordinal().range(d3_category20b);
- };
- d3.scale.category20c = function() {
- return d3.scale.ordinal().range(d3_category20c);
- };
- var d3_category10 = [ "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd", "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf" ];
- var d3_category20 = [ "#1f77b4", "#aec7e8", "#ff7f0e", "#ffbb78", "#2ca02c", "#98df8a", "#d62728", "#ff9896", "#9467bd", "#c5b0d5", "#8c564b", "#c49c94", "#e377c2", "#f7b6d2", "#7f7f7f", "#c7c7c7", "#bcbd22", "#dbdb8d", "#17becf", "#9edae5" ];
- var d3_category20b = [ "#393b79", "#5254a3", "#6b6ecf", "#9c9ede", "#637939", "#8ca252", "#b5cf6b", "#cedb9c", "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94", "#843c39", "#ad494a", "#d6616b", "#e7969c", "#7b4173", "#a55194", "#ce6dbd", "#de9ed6" ];
- var d3_category20c = [ "#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476", "#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9" ];
- d3.scale.quantile = function() {
- return d3_scale_quantile([], []);
- };
- function d3_scale_quantile(domain, range) {
- var thresholds;
- function rescale() {
- var k = 0, q = range.length;
- thresholds = [];
- while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
- return scale;
- }
- function scale(x) {
- if (isNaN(x = +x)) return NaN;
- return range[d3.bisect(thresholds, x)];
- }
- scale.domain = function(x) {
- if (!arguments.length) return domain;
- domain = x.filter(function(d) {
- return !isNaN(d);
- }).sort(d3.ascending);
- return rescale();
- };
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
- scale.quantiles = function() {
- return thresholds;
- };
- scale.copy = function() {
- return d3_scale_quantile(domain, range);
- };
- return rescale();
- }
- d3.scale.quantize = function() {
- return d3_scale_quantize(0, 1, [ 0, 1 ]);
- };
- function d3_scale_quantize(x0, x1, range) {
- var kx, i;
- function scale(x) {
- return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
- }
- function rescale() {
- kx = range.length / (x1 - x0);
- i = range.length - 1;
- return scale;
- }
- scale.domain = function(x) {
- if (!arguments.length) return [ x0, x1 ];
- x0 = +x[0];
- x1 = +x[x.length - 1];
- return rescale();
- };
- scale.range = function(x) {
- if (!arguments.length) return range;
- range = x;
- return rescale();
- };
- scale.copy = function() {
- return d3_scale_quantize(x0, x1, range);
- };
- return rescale();
- }
- d3.scale.threshold = function() {
- return d3_scale_threshold([ .5 ], [ 0, 1 ]);
- };
- function d3_scale_threshold(domain, range) {
- function scale(x) {
- return range[d3.bisect(domain, x)];
- }
- scale.domain = function(_) {
- if (!arguments.length) return domain;
- domain = _;
- return scale;
- };
- scale.range = function(_) {
- if (!arguments.length) return range;
- range = _;
- return scale;
- };
- scale.copy = function() {
- return d3_scale_threshold(domain, range);
- };
- return scale;
- }
- d3.scale.identity = function() {
- return d3_scale_identity([ 0, 1 ]);
- };
- function d3_scale_identity(domain) {
- function identity(x) {
- return +x;
- }
- identity.invert = identity;
- identity.domain = identity.range = function(x) {
- if (!arguments.length) return domain;
- domain = x.map(identity);
- return identity;
- };
- identity.ticks = function(m) {
- return d3_scale_linearTicks(domain, m);
- };
- identity.tickFormat = function(m, format) {
- return d3_scale_linearTickFormat(domain, m, format);
- };
- identity.copy = function() {
- return d3_scale_identity(domain);
- };
- return identity;
- }
- d3.svg.arc = function() {
- var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
- function arc() {
- 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,
- 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);
- 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";
- }
- arc.innerRadius = function(v) {
- if (!arguments.length) return innerRadius;
- innerRadius = d3_functor(v);
- return arc;
- };
- arc.outerRadius = function(v) {
- if (!arguments.length) return outerRadius;
- outerRadius = d3_functor(v);
- return arc;
- };
- arc.startAngle = function(v) {
- if (!arguments.length) return startAngle;
- startAngle = d3_functor(v);
- return arc;
- };
- arc.endAngle = function(v) {
- if (!arguments.length) return endAngle;
- endAngle = d3_functor(v);
- return arc;
- };
- arc.centroid = function() {
- var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
- return [ Math.cos(a) * r, Math.sin(a) * r ];
- };
- return arc;
- };
- var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 1e-6;
- function d3_svg_arcInnerRadius(d) {
- return d.innerRadius;
- }
- function d3_svg_arcOuterRadius(d) {
- return d.outerRadius;
- }
- function d3_svg_arcStartAngle(d) {
- return d.startAngle;
- }
- function d3_svg_arcEndAngle(d) {
- return d.endAngle;
- }
- d3.svg.line.radial = function() {
- var line = d3_svg_line(d3_svg_lineRadial);
- line.radius = line.x, delete line.x;
- line.angle = line.y, delete line.y;
- return line;
- };
- function d3_svg_lineRadial(points) {
- var point, i = -1, n = points.length, r, a;
- while (++i < n) {
- point = points[i];
- r = point[0];
- a = point[1] + d3_svg_arcOffset;
- point[0] = r * Math.cos(a);
- point[1] = r * Math.sin(a);
- }
- return points;
- }
- function d3_svg_area(projection) {
- var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
- function area(data) {
- var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
- return x;
- } : d3_functor(x1), fy1 = y0 === y1 ? function() {
- return y;
- } : d3_functor(y1), x, y;
- function segment() {
- segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
- }
- while (++i < n) {
- if (defined.call(this, d = data[i], i)) {
- points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
- points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
- } else if (points0.length) {
- segment();
- points0 = [];
- points1 = [];
- }
- }
- if (points0.length) segment();
- return segments.length ? segments.join("") : null;
- }
- area.x = function(_) {
- if (!arguments.length) return x1;
- x0 = x1 = _;
- return area;
- };
- area.x0 = function(_) {
- if (!arguments.length) return x0;
- x0 = _;
- return area;
- };
- area.x1 = function(_) {
- if (!arguments.length) return x1;
- x1 = _;
- return area;
- };
- area.y = function(_) {
- if (!arguments.length) return y1;
- y0 = y1 = _;
- return area;
- };
- area.y0 = function(_) {
- if (!arguments.length) return y0;
- y0 = _;
- return area;
- };
- area.y1 = function(_) {
- if (!arguments.length) return y1;
- y1 = _;
- return area;
- };
- area.defined = function(_) {
- if (!arguments.length) return defined;
- defined = _;
- return area;
- };
- area.interpolate = function(_) {
- if (!arguments.length) return interpolateKey;
- if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
- interpolateReverse = interpolate.reverse || interpolate;
- L = interpolate.closed ? "M" : "L";
- return area;
- };
- area.tension = function(_) {
- if (!arguments.length) return tension;
- tension = _;
- return area;
- };
- return area;
- }
- d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
- d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
- d3.svg.area = function() {
- return d3_svg_area(d3_identity);
- };
- d3.svg.area.radial = function() {
- var area = d3_svg_area(d3_svg_lineRadial);
- area.radius = area.x, delete area.x;
- area.innerRadius = area.x0, delete area.x0;
- area.outerRadius = area.x1, delete area.x1;
- area.angle = area.y, delete area.y;
- area.startAngle = area.y0, delete area.y0;
- area.endAngle = area.y1, delete area.y1;
- return area;
- };
- d3.svg.chord = function() {
- var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
- function chord(d, i) {
- var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
- 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";
- }
- function subgroup(self, f, d, i) {
- 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;
- return {
- r: r,
- a0: a0,
- a1: a1,
- p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
- p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
- };
- }
- function equals(a, b) {
- return a.a0 == b.a0 && a.a1 == b.a1;
- }
- function arc(r, p, a) {
- return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
- }
- function curve(r0, p0, r1, p1) {
- return "Q 0,0 " + p1;
- }
- chord.radius = function(v) {
- if (!arguments.length) return radius;
- radius = d3_functor(v);
- return chord;
- };
- chord.source = function(v) {
- if (!arguments.length) return source;
- source = d3_functor(v);
- return chord;
- };
- chord.target = function(v) {
- if (!arguments.length) return target;
- target = d3_functor(v);
- return chord;
- };
- chord.startAngle = function(v) {
- if (!arguments.length) return startAngle;
- startAngle = d3_functor(v);
- return chord;
- };
- chord.endAngle = function(v) {
- if (!arguments.length) return endAngle;
- endAngle = d3_functor(v);
- return chord;
- };
- return chord;
- };
- function d3_svg_chordRadius(d) {
- return d.radius;
- }
- d3.svg.diagonal = function() {
- var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
- function diagonal(d, i) {
- var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
- x: p0.x,
- y: m
- }, {
- x: p3.x,
- y: m
- }, p3 ];
- p = p.map(projection);
- return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
- }
- diagonal.source = function(x) {
- if (!arguments.length) return source;
- source = d3_functor(x);
- return diagonal;
- };
- diagonal.target = function(x) {
- if (!arguments.length) return target;
- target = d3_functor(x);
- return diagonal;
- };
- diagonal.projection = function(x) {
- if (!arguments.length) return projection;
- projection = x;
- return diagonal;
- };
- return diagonal;
- };
- function d3_svg_diagonalProjection(d) {
- return [ d.x, d.y ];
- }
- d3.svg.diagonal.radial = function() {
- var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
- diagonal.projection = function(x) {
- return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
- };
- return diagonal;
- };
- function d3_svg_diagonalRadialProjection(projection) {
- return function() {
- var d = projection.apply(this, arguments), r = d[0], a = d[1] + d3_svg_arcOffset;
- return [ r * Math.cos(a), r * Math.sin(a) ];
- };
- }
- d3.svg.symbol = function() {
- var type = d3_svg_symbolType, size = d3_svg_symbolSize;
- function symbol(d, i) {
- return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
- }
- symbol.type = function(x) {
- if (!arguments.length) return type;
- type = d3_functor(x);
- return symbol;
- };
- symbol.size = function(x) {
- if (!arguments.length) return size;
- size = d3_functor(x);
- return symbol;
- };
- return symbol;
- };
- function d3_svg_symbolSize() {
- return 64;
- }
- function d3_svg_symbolType() {
- return "circle";
- }
- function d3_svg_symbolCircle(size) {
- var r = Math.sqrt(size / π);
- return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
- }
- var d3_svg_symbols = d3.map({
- circle: d3_svg_symbolCircle,
- cross: function(size) {
- var r = Math.sqrt(size / 5) / 2;
- 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";
- },
- diamond: function(size) {
- var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
- return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
- },
- square: function(size) {
- var r = Math.sqrt(size) / 2;
- return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
- },
- "triangle-down": function(size) {
- var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
- return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
- },
- "triangle-up": function(size) {
- var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
- return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
- }
- });
- d3.svg.symbolTypes = d3_svg_symbols.keys();
- var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
- function d3_transition(groups, id) {
- d3_arraySubclass(groups, d3_transitionPrototype);
- groups.id = id;
- return groups;
- }
- var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = {
- ease: d3_ease_cubicInOut,
- delay: 0,
- duration: 250
- };
- d3_transitionPrototype.call = d3_selectionPrototype.call;
- d3_transitionPrototype.empty = d3_selectionPrototype.empty;
- d3_transitionPrototype.node = d3_selectionPrototype.node;
- d3.transition = function(selection) {
- return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
- };
- d3.transition.prototype = d3_transitionPrototype;
- d3_transitionPrototype.select = function(selector) {
- var id = this.id, subgroups = [], subgroup, subnode, node;
- if (typeof selector !== "function") selector = d3_selection_selector(selector);
- for (var j = -1, m = this.length; ++j < m; ) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
- if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i))) {
- if ("__data__" in node) subnode.__data__ = node.__data__;
- d3_transitionNode(subnode, i, id, node.__transition__[id]);
- subgroup.push(subnode);
- } else {
- subgroup.push(null);
- }
- }
- }
- return d3_transition(subgroups, id);
- };
- d3_transitionPrototype.selectAll = function(selector) {
- var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
- if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
- for (var j = -1, m = this.length; ++j < m; ) {
- for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
- if (node = group[i]) {
- transition = node.__transition__[id];
- subnodes = selector.call(node, node.__data__, i);
- subgroups.push(subgroup = []);
- for (var k = -1, o = subnodes.length; ++k < o; ) {
- d3_transitionNode(subnode = subnodes[k], k, id, transition);
- subgroup.push(subnode);
- }
- }
- }
- }
- return d3_transition(subgroups, id);
- };
- d3_transitionPrototype.filter = function(filter) {
- var subgroups = [], subgroup, group, node;
- if (typeof filter !== "function") filter = d3_selection_filter(filter);
- for (var j = 0, m = this.length; j < m; j++) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = 0, n = group.length; i < n; i++) {
- if ((node = group[i]) && filter.call(node, node.__data__, i)) {
- subgroup.push(node);
- }
- }
- }
- return d3_transition(subgroups, this.id, this.time).ease(this.ease());
- };
- d3_transitionPrototype.tween = function(name, tween) {
- var id = this.id;
- if (arguments.length < 2) return this.node().__transition__[id].tween.get(name);
- return d3_selection_each(this, tween == null ? function(node) {
- node.__transition__[id].tween.remove(name);
- } : function(node) {
- node.__transition__[id].tween.set(name, tween);
- });
- };
- function d3_transition_tween(groups, name, value, tween) {
- var id = groups.id;
- return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
- node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
- } : (value = tween(value), function(node) {
- node.__transition__[id].tween.set(name, value);
- }));
- }
- d3_transitionPrototype.attr = function(nameNS, value) {
- if (arguments.length < 2) {
- for (value in nameNS) this.attr(value, nameNS[value]);
- return this;
- }
- var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS);
- function attrNull() {
- this.removeAttribute(name);
- }
- function attrNullNS() {
- this.removeAttributeNS(name.space, name.local);
- }
- return d3_transition_tween(this, "attr." + nameNS, value, function(b) {
- function attrString() {
- var a = this.getAttribute(name), i;
- return a !== b && (i = interpolate(a, b), function(t) {
- this.setAttribute(name, i(t));
- });
- }
- function attrStringNS() {
- var a = this.getAttributeNS(name.space, name.local), i;
- return a !== b && (i = interpolate(a, b), function(t) {
- this.setAttributeNS(name.space, name.local, i(t));
- });
- }
- return b == null ? name.local ? attrNullNS : attrNull : (b += "", name.local ? attrStringNS : attrString);
- });
- };
- d3_transitionPrototype.attrTween = function(nameNS, tween) {
- var name = d3.ns.qualify(nameNS);
- function attrTween(d, i) {
- var f = tween.call(this, d, i, this.getAttribute(name));
- return f && function(t) {
- this.setAttribute(name, f(t));
- };
- }
- function attrTweenNS(d, i) {
- var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
- return f && function(t) {
- this.setAttributeNS(name.space, name.local, f(t));
- };
- }
- return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
- };
- d3_transitionPrototype.style = function(name, value, priority) {
- var n = arguments.length;
- if (n < 3) {
- if (typeof name !== "string") {
- if (n < 2) value = "";
- for (priority in name) this.style(priority, name[priority], value);
- return this;
- }
- priority = "";
- }
- var interpolate = d3_interpolateByName(name);
- function styleNull() {
- this.style.removeProperty(name);
- }
- return d3_transition_tween(this, "style." + name, value, function(b) {
- function styleString() {
- var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
- return a !== b && (i = interpolate(a, b), function(t) {
- this.style.setProperty(name, i(t), priority);
- });
- }
- return b == null ? styleNull : (b += "", styleString);
- });
- };
- d3_transitionPrototype.styleTween = function(name, tween, priority) {
- if (arguments.length < 3) priority = "";
- return this.tween("style." + name, function(d, i) {
- var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
- return f && function(t) {
- this.style.setProperty(name, f(t), priority);
- };
- });
- };
- d3_transitionPrototype.text = function(value) {
- return d3_transition_tween(this, "text", value, d3_transition_text);
- };
- function d3_transition_text(b) {
- if (b == null) b = "";
- return function() {
- this.textContent = b;
- };
- }
- d3_transitionPrototype.remove = function() {
- return this.each("end.transition", function() {
- var p;
- if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
- });
- };
- d3_transitionPrototype.ease = function(value) {
- var id = this.id;
- if (arguments.length < 1) return this.node().__transition__[id].ease;
- if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
- return d3_selection_each(this, function(node) {
- node.__transition__[id].ease = value;
- });
- };
- d3_transitionPrototype.delay = function(value) {
- var id = this.id;
- return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
- node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0;
- } : (value |= 0, function(node) {
- node.__transition__[id].delay = value;
- }));
- };
- d3_transitionPrototype.duration = function(value) {
- var id = this.id;
- return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
- node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0);
- } : (value = Math.max(1, value | 0), function(node) {
- node.__transition__[id].duration = value;
- }));
- };
- d3_transitionPrototype.each = function(type, listener) {
- var id = this.id;
- if (arguments.length < 2) {
- var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
- d3_transitionInheritId = id;
- d3_selection_each(this, function(node, i, j) {
- d3_transitionInherit = node.__transition__[id];
- type.call(node, node.__data__, i, j);
- });
- d3_transitionInherit = inherit;
- d3_transitionInheritId = inheritId;
- } else {
- d3_selection_each(this, function(node) {
- node.__transition__[id].event.on(type, listener);
- });
- }
- return this;
- };
- d3_transitionPrototype.transition = function() {
- var id0 = this.id, id1 = ++d3_transitionId, subgroups = [], subgroup, group, node, transition;
- for (var j = 0, m = this.length; j < m; j++) {
- subgroups.push(subgroup = []);
- for (var group = this[j], i = 0, n = group.length; i < n; i++) {
- if (node = group[i]) {
- transition = Object.create(node.__transition__[id0]);
- transition.delay += transition.duration;
- d3_transitionNode(node, i, id1, transition);
- }
- subgroup.push(node);
- }
- }
- return d3_transition(subgroups, id1);
- };
- function d3_transitionNode(node, i, id, inherit) {
- var lock = node.__transition__ || (node.__transition__ = {
- active: 0,
- count: 0
- }), transition = lock[id];
- if (!transition) {
- var time = inherit.time;
- transition = lock[id] = {
- tween: new d3_Map(),
- event: d3.dispatch("start", "end"),
- time: time,
- ease: inherit.ease,
- delay: inherit.delay,
- duration: inherit.duration
- };
- ++lock.count;
- d3.timer(function(elapsed) {
- var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = [];
- return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1;
- function start(elapsed) {
- if (lock.active > id) return stop();
- lock.active = id;
- event.start.call(node, d, i);
- transition.tween.forEach(function(key, value) {
- if (value = value.call(node, d, i)) {
- tweened.push(value);
- }
- });
- if (!tick(elapsed)) d3.timer(tick, 0, time);
- return 1;
- }
- function tick(elapsed) {
- if (lock.active !== id) return stop();
- var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
- while (n > 0) {
- tweened[--n].call(node, e);
- }
- if (t >= 1) {
- stop();
- event.end.call(node, d, i);
- return 1;
- }
- }
- function stop() {
- if (--lock.count) delete lock[id]; else delete node.__transition__;
- return 1;
- }
- }, 0, time);
- return transition;
- }
- }
- d3.svg.axis = function() {
- var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_, tickSubdivide = 0;
- function axis(g) {
- g.each(function() {
- var g = d3.select(this);
- var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
- var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll(".tick.minor").data(subticks, String), subtickEnter = subtick.enter().insert("line", ".tick").attr("class", "tick minor").style("opacity", 1e-6), subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(), subtickUpdate = d3.transition(subtick).style("opacity", 1);
- var tick = g.selectAll(".tick.major").data(ticks, String), tickEnter = tick.enter().insert("g", "path").attr("class", "tick major").style("opacity", 1e-6), tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(), tickUpdate = d3.transition(tick).style("opacity", 1), tickTransform;
- var range = d3_scaleRange(scale), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"),
- d3.transition(path));
- var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
- this.__chart__ = scale1;
- tickEnter.append("line");
- tickEnter.append("text");
- var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text");
- switch (orient) {
- case "bottom":
- {
- tickTransform = d3_svg_axisX;
- subtickEnter.attr("y2", tickMinorSize);
- subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
- lineEnter.attr("y2", tickMajorSize);
- textEnter.attr("y", Math.max(tickMajorSize, 0) + tickPadding);
- lineUpdate.attr("x2", 0).attr("y2", tickMajorSize);
- textUpdate.attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding);
- text.attr("dy", ".71em").style("text-anchor", "middle");
- pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
- break;
- }
-
- case "top":
- {
- tickTransform = d3_svg_axisX;
- subtickEnter.attr("y2", -tickMinorSize);
- subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
- lineEnter.attr("y2", -tickMajorSize);
- textEnter.attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
- lineUpdate.attr("x2", 0).attr("y2", -tickMajorSize);
- textUpdate.attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
- text.attr("dy", "0em").style("text-anchor", "middle");
- pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
- break;
- }
-
- case "left":
- {
- tickTransform = d3_svg_axisY;
- subtickEnter.attr("x2", -tickMinorSize);
- subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
- lineEnter.attr("x2", -tickMajorSize);
- textEnter.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
- lineUpdate.attr("x2", -tickMajorSize).attr("y2", 0);
- textUpdate.attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0);
- text.attr("dy", ".32em").style("text-anchor", "end");
- pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
- break;
- }
-
- case "right":
- {
- tickTransform = d3_svg_axisY;
- subtickEnter.attr("x2", tickMinorSize);
- subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
- lineEnter.attr("x2", tickMajorSize);
- textEnter.attr("x", Math.max(tickMajorSize, 0) + tickPadding);
- lineUpdate.attr("x2", tickMajorSize).attr("y2", 0);
- textUpdate.attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0);
- text.attr("dy", ".32em").style("text-anchor", "start");
- pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
- break;
- }
- }
- if (scale.ticks) {
- tickEnter.call(tickTransform, scale0);
- tickUpdate.call(tickTransform, scale1);
- tickExit.call(tickTransform, scale1);
- subtickEnter.call(tickTransform, scale0);
- subtickUpdate.call(tickTransform, scale1);
- subtickExit.call(tickTransform, scale1);
- } else {
- var dx = scale1.rangeBand() / 2, x = function(d) {
- return scale1(d) + dx;
- };
- tickEnter.call(tickTransform, x);
- tickUpdate.call(tickTransform, x);
- }
- });
- }
- axis.scale = function(x) {
- if (!arguments.length) return scale;
- scale = x;
- return axis;
- };
- axis.orient = function(x) {
- if (!arguments.length) return orient;
- orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
- return axis;
- };
- axis.ticks = function() {
- if (!arguments.length) return tickArguments_;
- tickArguments_ = arguments;
- return axis;
- };
- axis.tickValues = function(x) {
- if (!arguments.length) return tickValues;
- tickValues = x;
- return axis;
- };
- axis.tickFormat = function(x) {
- if (!arguments.length) return tickFormat_;
- tickFormat_ = x;
- return axis;
- };
- axis.tickSize = function(x, y) {
- if (!arguments.length) return tickMajorSize;
- var n = arguments.length - 1;
- tickMajorSize = +x;
- tickMinorSize = n > 1 ? +y : tickMajorSize;
- tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
- return axis;
- };
- axis.tickPadding = function(x) {
- if (!arguments.length) return tickPadding;
- tickPadding = +x;
- return axis;
- };
- axis.tickSubdivide = function(x) {
- if (!arguments.length) return tickSubdivide;
- tickSubdivide = +x;
- return axis;
- };
- return axis;
- };
- var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
- top: 1,
- right: 1,
- bottom: 1,
- left: 1
- };
- function d3_svg_axisX(selection, x) {
- selection.attr("transform", function(d) {
- return "translate(" + x(d) + ",0)";
- });
- }
- function d3_svg_axisY(selection, y) {
- selection.attr("transform", function(d) {
- return "translate(0," + y(d) + ")";
- });
- }
- function d3_svg_axisSubdivide(scale, ticks, m) {
- subticks = [];
- if (m && ticks.length > 1) {
- var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
- while (++i < n) {
- for (j = m; --j > 0; ) {
- if ((v = +ticks[i] - j * d) >= extent[0]) {
- subticks.push(v);
- }
- }
- }
- for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1]; ) {
- subticks.push(v);
- }
- }
- return subticks;
- }
- d3.svg.brush = function() {
- var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [ [ 0, 0 ], [ 0, 0 ] ], extentDomain;
- function brush(g) {
- g.each(function() {
- var g = d3.select(this), bg = g.selectAll(".background").data([ 0 ]), fg = g.selectAll(".extent").data([ 0 ]), tz = g.selectAll(".resize").data(resizes, String), e;
- g.style("pointer-events", "all").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
- bg.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
- fg.enter().append("rect").attr("class", "extent").style("cursor", "move");
- tz.enter().append("g").attr("class", function(d) {
- return "resize " + d;
- }).style("cursor", function(d) {
- return d3_svg_brushCursor[d];
- }).append("rect").attr("x", function(d) {
- return /[ew]$/.test(d) ? -3 : null;
- }).attr("y", function(d) {
- return /^[ns]/.test(d) ? -3 : null;
- }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
- tz.style("display", brush.empty() ? "none" : null);
- tz.exit().remove();
- if (x) {
- e = d3_scaleRange(x);
- bg.attr("x", e[0]).attr("width", e[1] - e[0]);
- redrawX(g);
- }
- if (y) {
- e = d3_scaleRange(y);
- bg.attr("y", e[0]).attr("height", e[1] - e[0]);
- redrawY(g);
- }
- redraw(g);
- });
- }
- function redraw(g) {
- g.selectAll(".resize").attr("transform", function(d) {
- return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
- });
- }
- function redrawX(g) {
- g.select(".extent").attr("x", extent[0][0]);
- g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
- }
- function redrawY(g) {
- g.select(".extent").attr("y", extent[0][1]);
- g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
- }
- function brushstart() {
- 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"), center, origin = mouse(), offset;
- var w = d3.select(d3_window).on("mousemove.brush", brushmove).on("mouseup.brush", brushend).on("touchmove.brush", brushmove).on("touchend.brush", brushend).on("keydown.brush", keydown).on("keyup.brush", keyup);
- if (dragging) {
- origin[0] = extent[0][0] - origin[0];
- origin[1] = extent[0][1] - origin[1];
- } else if (resizing) {
- var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
- offset = [ extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1] ];
- origin[0] = extent[ex][0];
- origin[1] = extent[ey][1];
- } else if (d3.event.altKey) center = origin.slice();
- g.style("pointer-events", "none").selectAll(".resize").style("display", null);
- d3.select("body").style("cursor", eventTarget.style("cursor"));
- event_({
- type: "brushstart"
- });
- brushmove();
- d3_eventCancel();
- function mouse() {
- var touches = d3.event.changedTouches;
- return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
- }
- function keydown() {
- if (d3.event.keyCode == 32) {
- if (!dragging) {
- center = null;
- origin[0] -= extent[1][0];
- origin[1] -= extent[1][1];
- dragging = 2;
- }
- d3_eventCancel();
- }
- }
- function keyup() {
- if (d3.event.keyCode == 32 && dragging == 2) {
- origin[0] += extent[1][0];
- origin[1] += extent[1][1];
- dragging = 0;
- d3_eventCancel();
- }
- }
- function brushmove() {
- var point = mouse(), moved = false;
- if (offset) {
- point[0] += offset[0];
- point[1] += offset[1];
- }
- if (!dragging) {
- if (d3.event.altKey) {
- if (!center) center = [ (extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2 ];
- origin[0] = extent[+(point[0] < center[0])][0];
- origin[1] = extent[+(point[1] < center[1])][1];
- } else center = null;
- }
- if (resizingX && move1(point, x, 0)) {
- redrawX(g);
- moved = true;
- }
- if (resizingY && move1(point, y, 1)) {
- redrawY(g);
- moved = true;
- }
- if (moved) {
- redraw(g);
- event_({
- type: "brush",
- mode: dragging ? "move" : "resize"
- });
- }
- }
- function move1(point, scale, i) {
- var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], size = extent[1][i] - extent[0][i], min, max;
- if (dragging) {
- r0 -= position;
- r1 -= size + position;
- }
- min = Math.max(r0, Math.min(r1, point[i]));
- if (dragging) {
- max = (min += position) + size;
- } else {
- if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
- if (position < min) {
- max = min;
- min = position;
- } else {
- max = position;
- }
- }
- if (extent[0][i] !== min || extent[1][i] !== max) {
- extentDomain = null;
- extent[0][i] = min;
- extent[1][i] = max;
- return true;
- }
- }
- function brushend() {
- brushmove();
- g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
- d3.select("body").style("cursor", null);
- 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);
- event_({
- type: "brushend"
- });
- d3_eventCancel();
- }
- }
- brush.x = function(z) {
- if (!arguments.length) return x;
- x = z;
- resizes = d3_svg_brushResizes[!x << 1 | !y];
- return brush;
- };
- brush.y = function(z) {
- if (!arguments.length) return y;
- y = z;
- resizes = d3_svg_brushResizes[!x << 1 | !y];
- return brush;
- };
- brush.extent = function(z) {
- var x0, x1, y0, y1, t;
- if (!arguments.length) {
- z = extentDomain || extent;
- if (x) {
- x0 = z[0][0], x1 = z[1][0];
- if (!extentDomain) {
- x0 = extent[0][0], x1 = extent[1][0];
- if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
- if (x1 < x0) t = x0, x0 = x1, x1 = t;
- }
- }
- if (y) {
- y0 = z[0][1], y1 = z[1][1];
- if (!extentDomain) {
- y0 = extent[0][1], y1 = extent[1][1];
- if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
- if (y1 < y0) t = y0, y0 = y1, y1 = t;
- }
- }
- return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
- }
- extentDomain = [ [ 0, 0 ], [ 0, 0 ] ];
- if (x) {
- x0 = z[0], x1 = z[1];
- if (y) x0 = x0[0], x1 = x1[0];
- extentDomain[0][0] = x0, extentDomain[1][0] = x1;
- if (x.invert) x0 = x(x0), x1 = x(x1);
- if (x1 < x0) t = x0, x0 = x1, x1 = t;
- extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
- }
- if (y) {
- y0 = z[0], y1 = z[1];
- if (x) y0 = y0[1], y1 = y1[1];
- extentDomain[0][1] = y0, extentDomain[1][1] = y1;
- if (y.invert) y0 = y(y0), y1 = y(y1);
- if (y1 < y0) t = y0, y0 = y1, y1 = t;
- extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
- }
- return brush;
- };
- brush.clear = function() {
- extentDomain = null;
- extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
- return brush;
- };
- brush.empty = function() {
- return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][1];
- };
- return d3.rebind(brush, event, "on");
- };
- var d3_svg_brushCursor = {
- n: "ns-resize",
- e: "ew-resize",
- s: "ns-resize",
- w: "ew-resize",
- nw: "nwse-resize",
- ne: "nesw-resize",
- se: "nwse-resize",
- sw: "nesw-resize"
- };
- var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
- d3.time = {};
- var d3_time = Date, d3_time_daySymbols = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
- function d3_time_utc() {
- this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
- }
- d3_time_utc.prototype = {
- getDate: function() {
- return this._.getUTCDate();
- },
- getDay: function() {
- return this._.getUTCDay();
- },
- getFullYear: function() {
- return this._.getUTCFullYear();
- },
- getHours: function() {
- return this._.getUTCHours();
- },
- getMilliseconds: function() {
- return this._.getUTCMilliseconds();
- },
- getMinutes: function() {
- return this._.getUTCMinutes();
- },
- getMonth: function() {
- return this._.getUTCMonth();
- },
- getSeconds: function() {
- return this._.getUTCSeconds();
- },
- getTime: function() {
- return this._.getTime();
- },
- getTimezoneOffset: function() {
- return 0;
- },
- valueOf: function() {
- return this._.valueOf();
- },
- setDate: function() {
- d3_time_prototype.setUTCDate.apply(this._, arguments);
- },
- setDay: function() {
- d3_time_prototype.setUTCDay.apply(this._, arguments);
- },
- setFullYear: function() {
- d3_time_prototype.setUTCFullYear.apply(this._, arguments);
- },
- setHours: function() {
- d3_time_prototype.setUTCHours.apply(this._, arguments);
- },
- setMilliseconds: function() {
- d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
- },
- setMinutes: function() {
- d3_time_prototype.setUTCMinutes.apply(this._, arguments);
- },
- setMonth: function() {
- d3_time_prototype.setUTCMonth.apply(this._, arguments);
- },
- setSeconds: function() {
- d3_time_prototype.setUTCSeconds.apply(this._, arguments);
- },
- setTime: function() {
- d3_time_prototype.setTime.apply(this._, arguments);
- }
- };
- var d3_time_prototype = Date.prototype;
- var d3_time_formatDateTime = "%a %b %e %X %Y", d3_time_formatDate = "%m/%d/%Y", d3_time_formatTime = "%H:%M:%S";
- var d3_time_days = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], d3_time_dayAbbreviations = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], d3_time_months = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], d3_time_monthAbbreviations = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
- function d3_time_interval(local, step, number) {
- function round(date) {
- var d0 = local(date), d1 = offset(d0, 1);
- return date - d0 < d1 - date ? d0 : d1;
- }
- function ceil(date) {
- step(date = local(new d3_time(date - 1)), 1);
- return date;
- }
- function offset(date, k) {
- step(date = new d3_time(+date), k);
- return date;
- }
- function range(t0, t1, dt) {
- var time = ceil(t0), times = [];
- if (dt > 1) {
- while (time < t1) {
- if (!(number(time) % dt)) times.push(new Date(+time));
- step(time, 1);
- }
- } else {
- while (time < t1) times.push(new Date(+time)), step(time, 1);
- }
- return times;
- }
- function range_utc(t0, t1, dt) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time_utc();
- utc._ = t0;
- return range(utc, t1, dt);
- } finally {
- d3_time = Date;
- }
- }
- local.floor = local;
- local.round = round;
- local.ceil = ceil;
- local.offset = offset;
- local.range = range;
- var utc = local.utc = d3_time_interval_utc(local);
- utc.floor = utc;
- utc.round = d3_time_interval_utc(round);
- utc.ceil = d3_time_interval_utc(ceil);
- utc.offset = d3_time_interval_utc(offset);
- utc.range = range_utc;
- return local;
- }
- function d3_time_interval_utc(method) {
- return function(date, k) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time_utc();
- utc._ = date;
- return method(utc, k)._;
- } finally {
- d3_time = Date;
- }
- };
- }
- d3.time.year = d3_time_interval(function(date) {
- date = d3.time.day(date);
- date.setMonth(0, 1);
- return date;
- }, function(date, offset) {
- date.setFullYear(date.getFullYear() + offset);
- }, function(date) {
- return date.getFullYear();
- });
- d3.time.years = d3.time.year.range;
- d3.time.years.utc = d3.time.year.utc.range;
- d3.time.day = d3_time_interval(function(date) {
- var day = new d3_time(1970, 0);
- day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
- return day;
- }, function(date, offset) {
- date.setDate(date.getDate() + offset);
- }, function(date) {
- return date.getDate() - 1;
- });
- d3.time.days = d3.time.day.range;
- d3.time.days.utc = d3.time.day.utc.range;
- d3.time.dayOfYear = function(date) {
- var year = d3.time.year(date);
- return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
- };
- d3_time_daySymbols.forEach(function(day, i) {
- day = day.toLowerCase();
- i = 7 - i;
- var interval = d3.time[day] = d3_time_interval(function(date) {
- (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
- return date;
- }, function(date, offset) {
- date.setDate(date.getDate() + Math.floor(offset) * 7);
- }, function(date) {
- var day = d3.time.year(date).getDay();
- return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
- });
- d3.time[day + "s"] = interval.range;
- d3.time[day + "s"].utc = interval.utc.range;
- d3.time[day + "OfYear"] = function(date) {
- var day = d3.time.year(date).getDay();
- return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
- };
- });
- d3.time.week = d3.time.sunday;
- d3.time.weeks = d3.time.sunday.range;
- d3.time.weeks.utc = d3.time.sunday.utc.range;
- d3.time.weekOfYear = d3.time.sundayOfYear;
- d3.time.format = function(template) {
- var n = template.length;
- function format(date) {
- var string = [], i = -1, j = 0, c, p, f;
- while (++i < n) {
- if (template.charCodeAt(i) === 37) {
- string.push(template.substring(j, i));
- if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
- if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
- string.push(c);
- j = i + 1;
- }
- }
- string.push(template.substring(j, i));
- return string.join("");
- }
- format.parse = function(string) {
- var d = {
- y: 1900,
- m: 0,
- d: 1,
- H: 0,
- M: 0,
- S: 0,
- L: 0
- }, i = d3_time_parse(d, template, string, 0);
- if (i != string.length) return null;
- if ("p" in d) d.H = d.H % 12 + d.p * 12;
- var date = new d3_time();
- date.setFullYear(d.y, d.m, d.d);
- date.setHours(d.H, d.M, d.S, d.L);
- return date;
- };
- format.toString = function() {
- return template;
- };
- return format;
- };
- function d3_time_parse(date, template, string, j) {
- var c, p, i = 0, n = template.length, m = string.length;
- while (i < n) {
- if (j >= m) return -1;
- c = template.charCodeAt(i++);
- if (c === 37) {
- p = d3_time_parsers[template.charAt(i++)];
- if (!p || (j = p(date, string, j)) < 0) return -1;
- } else if (c != string.charCodeAt(j++)) {
- return -1;
- }
- }
- return j;
- }
- function d3_time_formatRe(names) {
- return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
- }
- function d3_time_formatLookup(names) {
- var map = new d3_Map(), i = -1, n = names.length;
- while (++i < n) map.set(names[i].toLowerCase(), i);
- return map;
- }
- function d3_time_formatPad(value, fill, width) {
- value += "";
- var length = value.length;
- return length < width ? new Array(width - length + 1).join(fill) + value : value;
- }
- var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
- var d3_time_formatPads = {
- "-": "",
- _: " ",
- "0": "0"
- };
- var d3_time_formats = {
- a: function(d) {
- return d3_time_dayAbbreviations[d.getDay()];
- },
- A: function(d) {
- return d3_time_days[d.getDay()];
- },
- b: function(d) {
- return d3_time_monthAbbreviations[d.getMonth()];
- },
- B: function(d) {
- return d3_time_months[d.getMonth()];
- },
- c: d3.time.format(d3_time_formatDateTime),
- d: function(d, p) {
- return d3_time_formatPad(d.getDate(), p, 2);
- },
- e: function(d, p) {
- return d3_time_formatPad(d.getDate(), p, 2);
- },
- H: function(d, p) {
- return d3_time_formatPad(d.getHours(), p, 2);
- },
- I: function(d, p) {
- return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
- },
- j: function(d, p) {
- return d3_time_formatPad(1 + d3.time.dayOfYear(d), p, 3);
- },
- L: function(d, p) {
- return d3_time_formatPad(d.getMilliseconds(), p, 3);
- },
- m: function(d, p) {
- return d3_time_formatPad(d.getMonth() + 1, p, 2);
- },
- M: function(d, p) {
- return d3_time_formatPad(d.getMinutes(), p, 2);
- },
- p: function(d) {
- return d.getHours() >= 12 ? "PM" : "AM";
- },
- S: function(d, p) {
- return d3_time_formatPad(d.getSeconds(), p, 2);
- },
- U: function(d, p) {
- return d3_time_formatPad(d3.time.sundayOfYear(d), p, 2);
- },
- w: function(d) {
- return d.getDay();
- },
- W: function(d, p) {
- return d3_time_formatPad(d3.time.mondayOfYear(d), p, 2);
- },
- x: d3.time.format(d3_time_formatDate),
- X: d3.time.format(d3_time_formatTime),
- y: function(d, p) {
- return d3_time_formatPad(d.getFullYear() % 100, p, 2);
- },
- Y: function(d, p) {
- return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
- },
- Z: d3_time_zone,
- "%": function() {
- return "%";
- }
- };
- var d3_time_parsers = {
- a: d3_time_parseWeekdayAbbrev,
- A: d3_time_parseWeekday,
- b: d3_time_parseMonthAbbrev,
- B: d3_time_parseMonth,
- c: d3_time_parseLocaleFull,
- d: d3_time_parseDay,
- e: d3_time_parseDay,
- H: d3_time_parseHour24,
- I: d3_time_parseHour24,
- L: d3_time_parseMilliseconds,
- m: d3_time_parseMonthNumber,
- M: d3_time_parseMinutes,
- p: d3_time_parseAmPm,
- S: d3_time_parseSeconds,
- x: d3_time_parseLocaleDate,
- X: d3_time_parseLocaleTime,
- y: d3_time_parseYear,
- Y: d3_time_parseFullYear
- };
- function d3_time_parseWeekdayAbbrev(date, string, i) {
- d3_time_dayAbbrevRe.lastIndex = 0;
- var n = d3_time_dayAbbrevRe.exec(string.substring(i));
- return n ? i += n[0].length : -1;
- }
- function d3_time_parseWeekday(date, string, i) {
- d3_time_dayRe.lastIndex = 0;
- var n = d3_time_dayRe.exec(string.substring(i));
- return n ? i += n[0].length : -1;
- }
- function d3_time_parseMonthAbbrev(date, string, i) {
- d3_time_monthAbbrevRe.lastIndex = 0;
- var n = d3_time_monthAbbrevRe.exec(string.substring(i));
- return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
- }
- function d3_time_parseMonth(date, string, i) {
- d3_time_monthRe.lastIndex = 0;
- var n = d3_time_monthRe.exec(string.substring(i));
- return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
- }
- function d3_time_parseLocaleFull(date, string, i) {
- return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
- }
- function d3_time_parseLocaleDate(date, string, i) {
- return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
- }
- function d3_time_parseLocaleTime(date, string, i) {
- return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
- }
- function d3_time_parseFullYear(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 4));
- return n ? (date.y = +n[0], i += n[0].length) : -1;
- }
- function d3_time_parseYear(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
- }
- function d3_time_expandYear(d) {
- return d + (d > 68 ? 1900 : 2e3);
- }
- function d3_time_parseMonthNumber(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
- }
- function d3_time_parseDay(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.d = +n[0], i += n[0].length) : -1;
- }
- function d3_time_parseHour24(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.H = +n[0], i += n[0].length) : -1;
- }
- function d3_time_parseMinutes(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.M = +n[0], i += n[0].length) : -1;
- }
- function d3_time_parseSeconds(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 2));
- return n ? (date.S = +n[0], i += n[0].length) : -1;
- }
- function d3_time_parseMilliseconds(date, string, i) {
- d3_time_numberRe.lastIndex = 0;
- var n = d3_time_numberRe.exec(string.substring(i, i + 3));
- return n ? (date.L = +n[0], i += n[0].length) : -1;
- }
- var d3_time_numberRe = /^\s*\d+/;
- function d3_time_parseAmPm(date, string, i) {
- var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
- return n == null ? -1 : (date.p = n, i);
- }
- var d3_time_amPmLookup = d3.map({
- am: 0,
- pm: 1
- });
- function d3_time_zone(d) {
- var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
- return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
- }
- d3.time.format.utc = function(template) {
- var local = d3.time.format(template);
- function format(date) {
- try {
- d3_time = d3_time_utc;
- var utc = new d3_time();
- utc._ = date;
- return local(utc);
- } finally {
- d3_time = Date;
- }
- }
- format.parse = function(string) {
- try {
- d3_time = d3_time_utc;
- var date = local.parse(string);
- return date && date._;
- } finally {
- d3_time = Date;
- }
- };
- format.toString = local.toString;
- return format;
- };
- var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
- d3.time.format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
- function d3_time_formatIsoNative(date) {
- return date.toISOString();
- }
- d3_time_formatIsoNative.parse = function(string) {
- var date = new Date(string);
- return isNaN(date) ? null : date;
- };
- d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
- d3.time.second = d3_time_interval(function(date) {
- return new d3_time(Math.floor(date / 1e3) * 1e3);
- }, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 1e3);
- }, function(date) {
- return date.getSeconds();
- });
- d3.time.seconds = d3.time.second.range;
- d3.time.seconds.utc = d3.time.second.utc.range;
- d3.time.minute = d3_time_interval(function(date) {
- return new d3_time(Math.floor(date / 6e4) * 6e4);
- }, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 6e4);
- }, function(date) {
- return date.getMinutes();
- });
- d3.time.minutes = d3.time.minute.range;
- d3.time.minutes.utc = d3.time.minute.utc.range;
- d3.time.hour = d3_time_interval(function(date) {
- var timezone = date.getTimezoneOffset() / 60;
- return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
- }, function(date, offset) {
- date.setTime(date.getTime() + Math.floor(offset) * 36e5);
- }, function(date) {
- return date.getHours();
- });
- d3.time.hours = d3.time.hour.range;
- d3.time.hours.utc = d3.time.hour.utc.range;
- d3.time.month = d3_time_interval(function(date) {
- date = d3.time.day(date);
- date.setDate(1);
- return date;
- }, function(date, offset) {
- date.setMonth(date.getMonth() + offset);
- }, function(date) {
- return date.getMonth();
- });
- d3.time.months = d3.time.month.range;
- d3.time.months.utc = d3.time.month.utc.range;
- function d3_time_scale(linear, methods, format) {
- function scale(x) {
- return linear(x);
- }
- scale.invert = function(x) {
- return d3_time_scaleDate(linear.invert(x));
- };
- scale.domain = function(x) {
- if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
- linear.domain(x);
- return scale;
- };
- scale.nice = function(m) {
- return scale.domain(d3_scale_nice(scale.domain(), function() {
- return m;
- }));
- };
- scale.ticks = function(m, k) {
- var extent = d3_time_scaleExtent(scale.domain());
- if (typeof m !== "function") {
- var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
- if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
- if (!i) return linear.ticks(m).map(d3_time_scaleDate);
- if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
- m = methods[i];
- k = m[1];
- m = m[0].range;
- }
- return m(extent[0], new Date(+extent[1] + 1), k);
- };
- scale.tickFormat = function() {
- return format;
- };
- scale.copy = function() {
- return d3_time_scale(linear.copy(), methods, format);
- };
- return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
- }
- function d3_time_scaleExtent(domain) {
- var start = domain[0], stop = domain[domain.length - 1];
- return start < stop ? [ start, stop ] : [ stop, start ];
- }
- function d3_time_scaleDate(t) {
- return new Date(t);
- }
- function d3_time_scaleFormat(formats) {
- return function(date) {
- var i = formats.length - 1, f = formats[i];
- while (!f[1](date)) f = formats[--i];
- return f[0](date);
- };
- }
- function d3_time_scaleSetYear(y) {
- var d = new Date(y, 0, 1);
- d.setFullYear(y);
- return d;
- }
- function d3_time_scaleGetYear(d) {
- var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
- return y + (d - d0) / (d1 - d0);
- }
- var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
- 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 ] ];
- var d3_time_scaleLocalFormats = [ [ d3.time.format("%Y"), d3_true ], [ d3.time.format("%B"), function(d) {
- return d.getMonth();
- } ], [ d3.time.format("%b %d"), function(d) {
- return d.getDate() != 1;
- } ], [ d3.time.format("%a %d"), function(d) {
- return d.getDay() && d.getDate() != 1;
- } ], [ d3.time.format("%I %p"), function(d) {
- return d.getHours();
- } ], [ d3.time.format("%I:%M"), function(d) {
- return d.getMinutes();
- } ], [ d3.time.format(":%S"), function(d) {
- return d.getSeconds();
- } ], [ d3.time.format(".%L"), function(d) {
- return d.getMilliseconds();
- } ] ];
- var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
- d3_time_scaleLocalMethods.year = function(extent, m) {
- return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
- };
- d3.time.scale = function() {
- return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
- };
- var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
- return [ m[0].utc, m[1] ];
- });
- var d3_time_scaleUTCFormats = [ [ d3.time.format.utc("%Y"), d3_true ], [ d3.time.format.utc("%B"), function(d) {
- return d.getUTCMonth();
- } ], [ d3.time.format.utc("%b %d"), function(d) {
- return d.getUTCDate() != 1;
- } ], [ d3.time.format.utc("%a %d"), function(d) {
- return d.getUTCDay() && d.getUTCDate() != 1;
- } ], [ d3.time.format.utc("%I %p"), function(d) {
- return d.getUTCHours();
- } ], [ d3.time.format.utc("%I:%M"), function(d) {
- return d.getUTCMinutes();
- } ], [ d3.time.format.utc(":%S"), function(d) {
- return d.getUTCSeconds();
- } ], [ d3.time.format.utc(".%L"), function(d) {
- return d.getUTCMilliseconds();
- } ] ];
- var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
- function d3_time_scaleUTCSetYear(y) {
- var d = new Date(Date.UTC(y, 0, 1));
- d.setUTCFullYear(y);
- return d;
- }
- function d3_time_scaleUTCGetYear(d) {
- var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
- return y + (d - d0) / (d1 - d0);
- }
- d3_time_scaleUTCMethods.year = function(extent, m) {
- return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
- };
- d3.time.scale.utc = function() {
- return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
- };
- d3.text = function() {
- return d3.xhr.apply(d3, arguments).response(d3_text);
- };
- function d3_text(request) {
- return request.responseText;
- }
- d3.json = function(url, callback) {
- return d3.xhr(url, "application/json", callback).response(d3_json);
- };
- function d3_json(request) {
- return JSON.parse(request.responseText);
- }
- d3.html = function(url, callback) {
- return d3.xhr(url, "text/html", callback).response(d3_html);
- };
- function d3_html(request) {
- var range = d3_document.createRange();
- range.selectNode(d3_document.body);
- return range.createContextualFragment(request.responseText);
- }
- d3.xml = function() {
- return d3.xhr.apply(d3, arguments).response(d3_xml);
- };
- function d3_xml(request) {
- return request.responseXML;
- }
- return d3;
-}();
\ No newline at end of file
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\ No newline at end of file
projects / xonotic / xonstat.git / commitdiff