packages/deprecated/d3/d3.v3.js
d3 = function() {
var d3 = {
version: "3.1.4"
};
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_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) w.on("click.drag", click, true);
}
w.on(touchId != null ? "touchmove.drag-" + touchId : "mousemove.drag", null).on(touchId != null ? "touchend.drag-" + touchId : "mouseup.drag", null);
}
function click() {
d3_eventCancel();
w.on("click.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) w.on("click.zoom", click, true);
}
function click() {
d3_eventCancel();
w.on("click.zoom", null);
}
}
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("\t", "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 (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 (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;
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;
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 = [ d3_interpolateObject, function(a, b) {
return Array.isArray(b) && d3_interpolateArray(a, b);
}, function(a, b) {
return (typeof a === "string" || typeof b === "string") && d3_interpolateString(a + "", b + "");
}, function(a, b) {
return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3_interpolateRgb(a, b);
}, function(a, b) {
return !isNaN(a = +a) && !isNaN(b = +b) && 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;
}();