|
!function() { |
|
var d3 = { |
|
version: "3.5.3" |
|
}; |
|
if (!Date.now) Date.now = function() { |
|
return +new Date(); |
|
}; |
|
var d3_arraySlice = [].slice, d3_array = function(list) { |
|
return d3_arraySlice.call(list); |
|
}; |
|
var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window; |
|
try { |
|
d3_array(d3_documentElement.childNodes)[0].nodeType; |
|
} catch (e) { |
|
d3_array = function(list) { |
|
var i = list.length, array = new Array(i); |
|
while (i--) array[i] = list[i]; |
|
return array; |
|
}; |
|
} |
|
try { |
|
d3_document.createElement("div").style.setProperty("opacity", 0, ""); |
|
} catch (error) { |
|
var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty; |
|
d3_element_prototype.setAttribute = function(name, value) { |
|
d3_element_setAttribute.call(this, name, value + ""); |
|
}; |
|
d3_element_prototype.setAttributeNS = function(space, local, value) { |
|
d3_element_setAttributeNS.call(this, space, local, value + ""); |
|
}; |
|
d3_style_prototype.setProperty = function(name, value, priority) { |
|
d3_style_setProperty.call(this, name, value + "", priority); |
|
}; |
|
} |
|
d3.ascending = d3_ascending; |
|
function d3_ascending(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) if ((b = array[i]) != null && b >= b) { |
|
a = b; |
|
break; |
|
} |
|
while (++i < n) if ((b = array[i]) != null && a > b) a = b; |
|
} else { |
|
while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { |
|
a = b; |
|
break; |
|
} |
|
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) if ((b = array[i]) != null && b >= b) { |
|
a = b; |
|
break; |
|
} |
|
while (++i < n) if ((b = array[i]) != null && b > a) a = b; |
|
} else { |
|
while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { |
|
a = b; |
|
break; |
|
} |
|
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) if ((b = array[i]) != null && b >= b) { |
|
a = c = b; |
|
break; |
|
} |
|
while (++i < n) if ((b = array[i]) != null) { |
|
if (a > b) a = b; |
|
if (c < b) c = b; |
|
} |
|
} else { |
|
while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) { |
|
a = c = b; |
|
break; |
|
} |
|
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 ]; |
|
}; |
|
function d3_number(x) { |
|
return x === null ? NaN : +x; |
|
} |
|
function d3_numeric(x) { |
|
return !isNaN(x); |
|
} |
|
d3.sum = function(array, f) { |
|
var s = 0, n = array.length, a, i = -1; |
|
if (arguments.length === 1) { |
|
while (++i < n) if (d3_numeric(a = +array[i])) s += a; |
|
} else { |
|
while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a; |
|
} |
|
return s; |
|
}; |
|
d3.mean = function(array, f) { |
|
var s = 0, n = array.length, a, i = -1, j = n; |
|
if (arguments.length === 1) { |
|
while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j; |
|
} else { |
|
while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j; |
|
} |
|
if (j) return s / j; |
|
}; |
|
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) { |
|
var numbers = [], n = array.length, a, i = -1; |
|
if (arguments.length === 1) { |
|
while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a); |
|
} else { |
|
while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a); |
|
} |
|
if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5); |
|
}; |
|
d3.variance = function(array, f) { |
|
var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0; |
|
if (arguments.length === 1) { |
|
while (++i < n) { |
|
if (d3_numeric(a = d3_number(array[i]))) { |
|
d = a - m; |
|
m += d / ++j; |
|
s += d * (a - m); |
|
} |
|
} |
|
} else { |
|
while (++i < n) { |
|
if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) { |
|
d = a - m; |
|
m += d / ++j; |
|
s += d * (a - m); |
|
} |
|
} |
|
} |
|
if (j > 1) return s / (j - 1); |
|
}; |
|
d3.deviation = function() { |
|
var v = d3.variance.apply(this, arguments); |
|
return v ? Math.sqrt(v) : v; |
|
}; |
|
function d3_bisector(compare) { |
|
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 (compare(a[mid], x) < 0) 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 (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1; |
|
} |
|
return lo; |
|
} |
|
}; |
|
} |
|
var d3_bisect = d3_bisector(d3_ascending); |
|
d3.bisectLeft = d3_bisect.left; |
|
d3.bisect = d3.bisectRight = d3_bisect.right; |
|
d3.bisector = function(f) { |
|
return d3_bisector(f.length === 1 ? function(d, x) { |
|
return d3_ascending(f(d), x); |
|
} : f); |
|
}; |
|
d3.shuffle = function(array, i0, i1) { |
|
if ((m = arguments.length) < 3) { |
|
i1 = array.length; |
|
if (m < 2) i0 = 0; |
|
} |
|
var m = i1 - i0, t, i; |
|
while (m) { |
|
i = Math.random() * m-- | 0; |
|
t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t; |
|
} |
|
return array; |
|
}; |
|
d3.permute = function(array, indexes) { |
|
var i = indexes.length, permutes = new Array(i); |
|
while (i--) permutes[i] = array[indexes[i]]; |
|
return permutes; |
|
}; |
|
d3.pairs = function(array) { |
|
var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n); |
|
while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ]; |
|
return pairs; |
|
}; |
|
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) { |
|
var n = arrays.length, m, i = -1, j = 0, merged, array; |
|
while (++i < n) j += arrays[i].length; |
|
merged = new Array(j); |
|
while (--n >= 0) { |
|
array = arrays[n]; |
|
m = array.length; |
|
while (--m >= 0) { |
|
merged[--j] = array[m]; |
|
} |
|
} |
|
return merged; |
|
}; |
|
var abs = Math.abs; |
|
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(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) { |
|
for (var key in properties) { |
|
Object.defineProperty(ctor.prototype, key, { |
|
value: properties[key], |
|
enumerable: false |
|
}); |
|
} |
|
} |
|
d3.map = function(object, f) { |
|
var map = new d3_Map(); |
|
if (object instanceof d3_Map) { |
|
object.forEach(function(key, value) { |
|
map.set(key, value); |
|
}); |
|
} else if (Array.isArray(object)) { |
|
var i = -1, n = object.length, o; |
|
if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o); |
|
} else { |
|
for (var key in object) map.set(key, object[key]); |
|
} |
|
return map; |
|
}; |
|
function d3_Map() { |
|
this._ = Object.create(null); |
|
} |
|
var d3_map_proto = "__proto__", d3_map_zero = "\x00"; |
|
d3_class(d3_Map, { |
|
has: d3_map_has, |
|
get: function(key) { |
|
return this._[d3_map_escape(key)]; |
|
}, |
|
set: function(key, value) { |
|
return this._[d3_map_escape(key)] = value; |
|
}, |
|
remove: d3_map_remove, |
|
keys: d3_map_keys, |
|
values: function() { |
|
var values = []; |
|
for (var key in this._) values.push(this._[key]); |
|
return values; |
|
}, |
|
entries: function() { |
|
var entries = []; |
|
for (var key in this._) entries.push({ |
|
key: d3_map_unescape(key), |
|
value: this._[key] |
|
}); |
|
return entries; |
|
}, |
|
size: d3_map_size, |
|
empty: d3_map_empty, |
|
forEach: function(f) { |
|
for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]); |
|
} |
|
}); |
|
function d3_map_escape(key) { |
|
return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key; |
|
} |
|
function d3_map_unescape(key) { |
|
return (key += "")[0] === d3_map_zero ? key.slice(1) : key; |
|
} |
|
function d3_map_has(key) { |
|
return d3_map_escape(key) in this._; |
|
} |
|
function d3_map_remove(key) { |
|
return (key = d3_map_escape(key)) in this._ && delete this._[key]; |
|
} |
|
function d3_map_keys() { |
|
var keys = []; |
|
for (var key in this._) keys.push(d3_map_unescape(key)); |
|
return keys; |
|
} |
|
function d3_map_size() { |
|
var size = 0; |
|
for (var key in this._) ++size; |
|
return size; |
|
} |
|
function d3_map_empty() { |
|
for (var key in this._) return false; |
|
return true; |
|
} |
|
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, n = array.length; i < n; ++i) set.add(array[i]); |
|
return set; |
|
}; |
|
function d3_Set() { |
|
this._ = Object.create(null); |
|
} |
|
d3_class(d3_Set, { |
|
has: d3_map_has, |
|
add: function(key) { |
|
this._[d3_map_escape(key += "")] = true; |
|
return key; |
|
}, |
|
remove: d3_map_remove, |
|
values: d3_map_keys, |
|
size: d3_map_size, |
|
empty: d3_map_empty, |
|
forEach: function(f) { |
|
for (var key in this._) f.call(this, d3_map_unescape(key)); |
|
} |
|
}); |
|
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; |
|
}; |
|
} |
|
function d3_vendorSymbol(object, name) { |
|
if (name in object) return name; |
|
name = name.charAt(0).toUpperCase() + name.slice(1); |
|
for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) { |
|
var prefixName = d3_vendorPrefixes[i] + name; |
|
if (prefixName in object) return prefixName; |
|
} |
|
} |
|
var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ]; |
|
function d3_noop() {} |
|
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.slice(i + 1); |
|
type = type.slice(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_eventPreventDefault() { |
|
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.requote = function(s) { |
|
return s.replace(d3_requote_re, "\\$&"); |
|
}; |
|
var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; |
|
var d3_subclass = {}.__proto__ ? function(object, prototype) { |
|
object.__proto__ = prototype; |
|
} : function(object, prototype) { |
|
for (var property in prototype) object[property] = prototype[property]; |
|
}; |
|
function d3_selection(groups) { |
|
d3_subclass(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_selectMatcher = d3_documentElement.matches || d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], 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 = Sizzle; |
|
d3_selectMatches = Sizzle.matchesSelector; |
|
} |
|
d3.selection = function() { |
|
return d3_selectionRoot; |
|
}; |
|
var d3_selectionPrototype = d3.selection.prototype = []; |
|
d3_selectionPrototype.select = function(selector) { |
|
var subgroups = [], subgroup, subnode, group, node; |
|
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, j)); |
|
if (subnode && "__data__" in node) subnode.__data__ = node.__data__; |
|
} else { |
|
subgroup.push(null); |
|
} |
|
} |
|
} |
|
return d3_selection(subgroups); |
|
}; |
|
function d3_selection_selector(selector) { |
|
return typeof selector === "function" ? selector : function() { |
|
return d3_select(selector, this); |
|
}; |
|
} |
|
d3_selectionPrototype.selectAll = function(selector) { |
|
var subgroups = [], subgroup, node; |
|
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, j))); |
|
subgroup.parentNode = node; |
|
} |
|
} |
|
} |
|
return d3_selection(subgroups); |
|
}; |
|
function d3_selection_selectorAll(selector) { |
|
return typeof selector === "function" ? selector : 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.slice(0, i); |
|
name = name.slice(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_selectionPrototype.classed = function(name, value) { |
|
if (arguments.length < 2) { |
|
if (typeof name === "string") { |
|
var node = this.node(), n = (name = d3_selection_classes(name)).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_classes(name) { |
|
return (name + "").trim().split(/^|\s+/); |
|
} |
|
function d3_selection_classed(name, value) { |
|
name = d3_selection_classes(name).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_selection_creator(name); |
|
return this.select(function() { |
|
return this.appendChild(name.apply(this, arguments)); |
|
}); |
|
}; |
|
function d3_selection_creator(name) { |
|
return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() { |
|
return this.ownerDocument.createElementNS(name.space, name.local); |
|
} : function() { |
|
return this.ownerDocument.createElementNS(this.namespaceURI, name); |
|
}; |
|
} |
|
d3_selectionPrototype.insert = function(name, before) { |
|
name = d3_selection_creator(name); |
|
before = d3_selection_selector(before); |
|
return this.select(function() { |
|
return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null); |
|
}); |
|
}; |
|
d3_selectionPrototype.remove = function() { |
|
return this.each(d3_selectionRemove); |
|
}; |
|
function d3_selectionRemove() { |
|
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(), keyValues = new Array(n), keyValue; |
|
for (i = -1; ++i < n; ) { |
|
if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) { |
|
exitNodes[i] = node; |
|
} else { |
|
nodeByKeyValue.set(keyValue, node); |
|
} |
|
keyValues[i] = keyValue; |
|
} |
|
for (i = -1; ++i < m; ) { |
|
if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) { |
|
enterNodes[i] = d3_selection_dataNode(nodeData); |
|
} else if (node !== true) { |
|
updateNodes[i] = node; |
|
node.__data__ = nodeData; |
|
} |
|
nodeByKeyValue.set(keyValue, true); |
|
} |
|
for (i = -1; ++i < n; ) { |
|
if (nodeByKeyValue.get(keyValues[i]) !== true) { |
|
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, j)) { |
|
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__) : !a - !b; |
|
}; |
|
} |
|
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; |
|
}; |
|
d3_selectionPrototype.size = function() { |
|
var n = 0; |
|
d3_selection_each(this, function() { |
|
++n; |
|
}); |
|
return n; |
|
}; |
|
function d3_selection_enter(selection) { |
|
d3_subclass(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.empty = d3_selectionPrototype.empty; |
|
d3_selection_enterPrototype.node = d3_selectionPrototype.node; |
|
d3_selection_enterPrototype.call = d3_selectionPrototype.call; |
|
d3_selection_enterPrototype.size = d3_selectionPrototype.size; |
|
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, j)); |
|
subnode.__data__ = node.__data__; |
|
} else { |
|
subgroup.push(null); |
|
} |
|
} |
|
} |
|
return d3_selection(subgroups); |
|
}; |
|
d3_selection_enterPrototype.insert = function(name, before) { |
|
if (arguments.length < 2) before = d3_selection_enterInsertBefore(this); |
|
return d3_selectionPrototype.insert.call(this, name, before); |
|
}; |
|
function d3_selection_enterInsertBefore(enter) { |
|
var i0, j0; |
|
return function(d, i, j) { |
|
var group = enter[j].update, n = group.length, node; |
|
if (j != j0) j0 = j, i0 = 0; |
|
if (i >= i0) i0 = i + 1; |
|
while (!(node = group[i0]) && ++i0 < n) ; |
|
return node; |
|
}; |
|
} |
|
d3.select = function(node) { |
|
var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ]; |
|
group.parentNode = d3_documentElement; |
|
return d3_selection([ group ]); |
|
}; |
|
d3.selectAll = function(nodes) { |
|
var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes); |
|
group.parentNode = d3_documentElement; |
|
return d3_selection([ group ]); |
|
}; |
|
var d3_selectionRoot = d3.select(d3_documentElement); |
|
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.slice(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); |
|
} |
|
}; |
|
} |
|
var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0; |
|
function d3_event_dragSuppress() { |
|
var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); |
|
if (d3_event_dragSelect) { |
|
var style = d3_documentElement.style, select = style[d3_event_dragSelect]; |
|
style[d3_event_dragSelect] = "none"; |
|
} |
|
return function(suppressClick) { |
|
w.on(name, null); |
|
if (d3_event_dragSelect) style[d3_event_dragSelect] = select; |
|
if (suppressClick) { |
|
var off = function() { |
|
w.on(click, null); |
|
}; |
|
w.on(click, function() { |
|
d3_eventPreventDefault(); |
|
off(); |
|
}, true); |
|
setTimeout(off, 0); |
|
} |
|
}; |
|
} |
|
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) { |
|
if (e.changedTouches) e = e.changedTouches[0]; |
|
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("body").append("svg").style({ |
|
position: "absolute", |
|
top: 0, |
|
left: 0, |
|
margin: 0, |
|
padding: 0, |
|
border: "none" |
|
}, "important"); |
|
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 ]; |
|
} |
|
d3.touch = function(container, touches, identifier) { |
|
if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches; |
|
if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) { |
|
if ((touch = touches[i]).identifier === identifier) { |
|
return d3_mousePoint(container, touch); |
|
} |
|
} |
|
}; |
|
d3.behavior.drag = function() { |
|
var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend"); |
|
function drag() { |
|
this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart); |
|
} |
|
function dragstart(id, position, subject, move, end) { |
|
return function() { |
|
var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId); |
|
if (origin) { |
|
dragOffset = origin.apply(that, arguments); |
|
dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ]; |
|
} else { |
|
dragOffset = [ 0, 0 ]; |
|
} |
|
dispatch({ |
|
type: "dragstart" |
|
}); |
|
function moved() { |
|
var position1 = position(parent, dragId), dx, dy; |
|
if (!position1) return; |
|
dx = position1[0] - position0[0]; |
|
dy = position1[1] - position0[1]; |
|
dragged |= dx | dy; |
|
position0 = position1; |
|
dispatch({ |
|
type: "drag", |
|
x: position1[0] + dragOffset[0], |
|
y: position1[1] + dragOffset[1], |
|
dx: dx, |
|
dy: dy |
|
}); |
|
} |
|
function ended() { |
|
if (!position(parent, dragId)) return; |
|
dragSubject.on(move + dragName, null).on(end + dragName, null); |
|
dragRestore(dragged && d3.event.target === target); |
|
dispatch({ |
|
type: "dragend" |
|
}); |
|
} |
|
}; |
|
} |
|
drag.origin = function(x) { |
|
if (!arguments.length) return origin; |
|
origin = x; |
|
return drag; |
|
}; |
|
return d3.rebind(drag, event, "on"); |
|
}; |
|
function d3_behavior_dragTouchId() { |
|
return d3.event.changedTouches[0].identifier; |
|
} |
|
function d3_behavior_dragTouchSubject() { |
|
return d3.event.target; |
|
} |
|
function d3_behavior_dragMouseSubject() { |
|
return d3_window; |
|
} |
|
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; |
|
}) : []; |
|
}; |
|
var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π; |
|
function d3_sgn(x) { |
|
return x > 0 ? 1 : x < 0 ? -1 : 0; |
|
} |
|
function d3_cross2d(a, b, c) { |
|
return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); |
|
} |
|
function d3_acos(x) { |
|
return x > 1 ? 0 : x < -1 ? π : Math.acos(x); |
|
} |
|
function d3_asin(x) { |
|
return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x); |
|
} |
|
function d3_sinh(x) { |
|
return ((x = Math.exp(x)) - 1 / x) / 2; |
|
} |
|
function d3_cosh(x) { |
|
return ((x = Math.exp(x)) + 1 / x) / 2; |
|
} |
|
function d3_tanh(x) { |
|
return ((x = Math.exp(2 * x)) - 1) / (x + 1); |
|
} |
|
function d3_haversin(x) { |
|
return (x = Math.sin(x / 2)) * x; |
|
} |
|
var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4; |
|
d3.interpolateZoom = function(p0, p1) { |
|
var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2]; |
|
var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ; |
|
function interpolate(t) { |
|
var s = t * S; |
|
if (dr) { |
|
var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0)); |
|
return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ]; |
|
} |
|
return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ]; |
|
} |
|
interpolate.duration = S * 1e3; |
|
return interpolate; |
|
}; |
|
d3.behavior.zoom = function() { |
|
var view = { |
|
x: 0, |
|
y: 0, |
|
k: 1 |
|
}, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1; |
|
function zoom(g) { |
|
g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted); |
|
} |
|
zoom.event = function(g) { |
|
g.each(function() { |
|
var dispatch = event.of(this, arguments), view1 = view; |
|
if (d3_transitionInheritId) { |
|
d3.select(this).transition().each("start.zoom", function() { |
|
view = this.__chart__ || { |
|
x: 0, |
|
y: 0, |
|
k: 1 |
|
}; |
|
zoomstarted(dispatch); |
|
}).tween("zoom:zoom", function() { |
|
var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]); |
|
return function(t) { |
|
var l = i(t), k = dx / l[2]; |
|
this.__chart__ = view = { |
|
x: cx - l[0] * k, |
|
y: cy - l[1] * k, |
|
k: k |
|
}; |
|
zoomed(dispatch); |
|
}; |
|
}).each("interrupt.zoom", function() { |
|
zoomended(dispatch); |
|
}).each("end.zoom", function() { |
|
zoomended(dispatch); |
|
}); |
|
} else { |
|
this.__chart__ = view; |
|
zoomstarted(dispatch); |
|
zoomed(dispatch); |
|
zoomended(dispatch); |
|
} |
|
}); |
|
}; |
|
zoom.translate = function(_) { |
|
if (!arguments.length) return [ view.x, view.y ]; |
|
view = { |
|
x: +_[0], |
|
y: +_[1], |
|
k: view.k |
|
}; |
|
rescale(); |
|
return zoom; |
|
}; |
|
zoom.scale = function(_) { |
|
if (!arguments.length) return view.k; |
|
view = { |
|
x: view.x, |
|
y: view.y, |
|
k: +_ |
|
}; |
|
rescale(); |
|
return zoom; |
|
}; |
|
zoom.scaleExtent = function(_) { |
|
if (!arguments.length) return scaleExtent; |
|
scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ]; |
|
return zoom; |
|
}; |
|
zoom.center = function(_) { |
|
if (!arguments.length) return center; |
|
center = _ && [ +_[0], +_[1] ]; |
|
return zoom; |
|
}; |
|
zoom.size = function(_) { |
|
if (!arguments.length) return size; |
|
size = _ && [ +_[0], +_[1] ]; |
|
return zoom; |
|
}; |
|
zoom.duration = function(_) { |
|
if (!arguments.length) return duration; |
|
duration = +_; |
|
return zoom; |
|
}; |
|
zoom.x = function(z) { |
|
if (!arguments.length) return x1; |
|
x1 = z; |
|
x0 = z.copy(); |
|
view = { |
|
x: 0, |
|
y: 0, |
|
k: 1 |
|
}; |
|
return zoom; |
|
}; |
|
zoom.y = function(z) { |
|
if (!arguments.length) return y1; |
|
y1 = z; |
|
y0 = z.copy(); |
|
view = { |
|
x: 0, |
|
y: 0, |
|
k: 1 |
|
}; |
|
return zoom; |
|
}; |
|
function location(p) { |
|
return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ]; |
|
} |
|
function point(l) { |
|
return [ l[0] * view.k + view.x, l[1] * view.k + view.y ]; |
|
} |
|
function scaleTo(s) { |
|
view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s)); |
|
} |
|
function translateTo(p, l) { |
|
l = point(l); |
|
view.x += p[0] - l[0]; |
|
view.y += p[1] - l[1]; |
|
} |
|
function zoomTo(that, p, l, k) { |
|
that.__chart__ = { |
|
x: view.x, |
|
y: view.y, |
|
k: view.k |
|
}; |
|
scaleTo(Math.pow(2, k)); |
|
translateTo(center0 = p, l); |
|
that = d3.select(that); |
|
if (duration > 0) that = that.transition().duration(duration); |
|
that.call(zoom.event); |
|
} |
|
function rescale() { |
|
if (x1) x1.domain(x0.range().map(function(x) { |
|
return (x - view.x) / view.k; |
|
}).map(x0.invert)); |
|
if (y1) y1.domain(y0.range().map(function(y) { |
|
return (y - view.y) / view.k; |
|
}).map(y0.invert)); |
|
} |
|
function zoomstarted(dispatch) { |
|
if (!zooming++) dispatch({ |
|
type: "zoomstart" |
|
}); |
|
} |
|
function zoomed(dispatch) { |
|
rescale(); |
|
dispatch({ |
|
type: "zoom", |
|
scale: view.k, |
|
translate: [ view.x, view.y ] |
|
}); |
|
} |
|
function zoomended(dispatch) { |
|
if (!--zooming) dispatch({ |
|
type: "zoomend" |
|
}); |
|
center0 = null; |
|
} |
|
function mousedowned() { |
|
var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(); |
|
d3_selection_interrupt.call(that); |
|
zoomstarted(dispatch); |
|
function moved() { |
|
dragged = 1; |
|
translateTo(d3.mouse(that), location0); |
|
zoomed(dispatch); |
|
} |
|
function ended() { |
|
subject.on(mousemove, null).on(mouseup, null); |
|
dragRestore(dragged && d3.event.target === target); |
|
zoomended(dispatch); |
|
} |
|
} |
|
function touchstarted() { |
|
var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(); |
|
started(); |
|
zoomstarted(dispatch); |
|
subject.on(mousedown, null).on(touchstart, started); |
|
function relocate() { |
|
var touches = d3.touches(that); |
|
scale0 = view.k; |
|
touches.forEach(function(t) { |
|
if (t.identifier in locations0) locations0[t.identifier] = location(t); |
|
}); |
|
return touches; |
|
} |
|
function started() { |
|
var target = d3.event.target; |
|
d3.select(target).on(touchmove, moved).on(touchend, ended); |
|
targets.push(target); |
|
var changed = d3.event.changedTouches; |
|
for (var i = 0, n = changed.length; i < n; ++i) { |
|
locations0[changed[i].identifier] = null; |
|
} |
|
var touches = relocate(), now = Date.now(); |
|
if (touches.length === 1) { |
|
if (now - touchtime < 500) { |
|
var p = touches[0]; |
|
zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1); |
|
d3_eventPreventDefault(); |
|
} |
|
touchtime = now; |
|
} else if (touches.length > 1) { |
|
var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1]; |
|
distance0 = dx * dx + dy * dy; |
|
} |
|
} |
|
function moved() { |
|
var touches = d3.touches(that), p0, l0, p1, l1; |
|
d3_selection_interrupt.call(that); |
|
for (var i = 0, n = touches.length; i < n; ++i, l1 = null) { |
|
p1 = touches[i]; |
|
if (l1 = locations0[p1.identifier]) { |
|
if (l0) break; |
|
p0 = p1, l0 = l1; |
|
} |
|
} |
|
if (l1) { |
|
var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0); |
|
p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ]; |
|
l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ]; |
|
scaleTo(scale1 * scale0); |
|
} |
|
touchtime = null; |
|
translateTo(p0, l0); |
|
zoomed(dispatch); |
|
} |
|
function ended() { |
|
if (d3.event.touches.length) { |
|
var changed = d3.event.changedTouches; |
|
for (var i = 0, n = changed.length; i < n; ++i) { |
|
delete locations0[changed[i].identifier]; |
|
} |
|
for (var identifier in locations0) { |
|
return void relocate(); |
|
} |
|
} |
|
d3.selectAll(targets).on(zoomName, null); |
|
subject.on(mousedown, mousedowned).on(touchstart, touchstarted); |
|
dragRestore(); |
|
zoomended(dispatch); |
|
} |
|
} |
|
function mousewheeled() { |
|
var dispatch = event.of(this, arguments); |
|
if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)), |
|
d3_selection_interrupt.call(this), zoomstarted(dispatch); |
|
mousewheelTimer = setTimeout(function() { |
|
mousewheelTimer = null; |
|
zoomended(dispatch); |
|
}, 50); |
|
d3_eventPreventDefault(); |
|
scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k); |
|
translateTo(center0, translate0); |
|
zoomed(dispatch); |
|
} |
|
function dblclicked() { |
|
var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2; |
|
zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1); |
|
} |
|
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"); |
|
d3.color = d3_color; |
|
function d3_color() {} |
|
d3_color.prototype.toString = function() { |
|
return this.rgb() + ""; |
|
}; |
|
d3.hsl = d3_hsl; |
|
function d3_hsl(h, s, l) { |
|
return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l); |
|
} |
|
var d3_hslPrototype = d3_hsl.prototype = new d3_color(); |
|
d3_hslPrototype.brighter = function(k) { |
|
k = Math.pow(.7, arguments.length ? k : 1); |
|
return new d3_hsl(this.h, this.s, this.l / k); |
|
}; |
|
d3_hslPrototype.darker = function(k) { |
|
k = Math.pow(.7, arguments.length ? k : 1); |
|
return new 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 = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h; |
|
s = isNaN(s) ? 0 : 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 new d3_rgb(vv(h + 120), vv(h), vv(h - 120)); |
|
} |
|
d3.hcl = d3_hcl; |
|
function d3_hcl(h, c, l) { |
|
return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new 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) : new d3_hcl(h, c, l); |
|
} |
|
var d3_hclPrototype = d3_hcl.prototype = new d3_color(); |
|
d3_hclPrototype.brighter = function(k) { |
|
return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1))); |
|
}; |
|
d3_hclPrototype.darker = function(k) { |
|
return new 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) { |
|
if (isNaN(h)) h = 0; |
|
if (isNaN(c)) c = 0; |
|
return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c); |
|
} |
|
d3.lab = d3_lab; |
|
function d3_lab(l, a, b) { |
|
return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, 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 new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b); |
|
}; |
|
d3_labPrototype.darker = function(k) { |
|
return new 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 new 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 l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, 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 = d3_rgb; |
|
function d3_rgb(r, g, b) { |
|
return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b); |
|
} |
|
function d3_rgbNumber(value) { |
|
return new d3_rgb(value >> 16, value >> 8 & 255, value & 255); |
|
} |
|
function d3_rgbString(value) { |
|
return d3_rgbNumber(value) + ""; |
|
} |
|
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 new d3_rgb(i, i, i); |
|
if (r && r < i) r = i; |
|
if (g && g < i) g = i; |
|
if (b && b < i) b = i; |
|
return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k)); |
|
}; |
|
d3_rgbPrototype.darker = function(k) { |
|
k = Math.pow(.7, arguments.length ? k : 1); |
|
return new d3_rgb(k * this.r, k * this.g, 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, color; |
|
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 (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b); |
|
if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) { |
|
if (format.length === 4) { |
|
r = (color & 3840) >> 4; |
|
r = r >> 4 | r; |
|
g = color & 240; |
|
g = g >> 4 | g; |
|
b = color & 15; |
|
b = b << 4 | b; |
|
} else if (format.length === 7) { |
|
r = (color & 16711680) >> 16; |
|
g = (color & 65280) >> 8; |
|
b = color & 255; |
|
} |
|
} |
|
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 { |
|
h = NaN; |
|
s = l > 0 && l < 1 ? 0 : h; |
|
} |
|
return new 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: 15792383, |
|
antiquewhite: 16444375, |
|
aqua: 65535, |
|
aquamarine: 8388564, |
|
azure: 15794175, |
|
beige: 16119260, |
|
bisque: 16770244, |
|
black: 0, |
|
blanchedalmond: 16772045, |
|
blue: 255, |
|
blueviolet: 9055202, |
|
brown: 10824234, |
|
burlywood: 14596231, |
|
cadetblue: 6266528, |
|
chartreuse: 8388352, |
|
chocolate: 13789470, |
|
coral: 16744272, |
|
cornflowerblue: 6591981, |
|
cornsilk: 16775388, |
|
crimson: 14423100, |
|
cyan: 65535, |
|
darkblue: 139, |
|
darkcyan: 35723, |
|
darkgoldenrod: 12092939, |
|
darkgray: 11119017, |
|
darkgreen: 25600, |
|
darkgrey: 11119017, |
|
darkkhaki: 12433259, |
|
darkmagenta: 9109643, |
|
darkolivegreen: 5597999, |
|
darkorange: 16747520, |
|
darkorchid: 10040012, |
|
darkred: 9109504, |
|
darksalmon: 15308410, |
|
darkseagreen: 9419919, |
|
darkslateblue: 4734347, |
|
darkslategray: 3100495, |
|
darkslategrey: 3100495, |
|
darkturquoise: 52945, |
|
darkviolet: 9699539, |
|
deeppink: 16716947, |
|
deepskyblue: 49151, |
|
dimgray: 6908265, |
|
dimgrey: 6908265, |
|
dodgerblue: 2003199, |
|
firebrick: 11674146, |
|
floralwhite: 16775920, |
|
forestgreen: 2263842, |
|
fuchsia: 16711935, |
|
gainsboro: 14474460, |
|
ghostwhite: 16316671, |
|
gold: 16766720, |
|
goldenrod: 14329120, |
|
gray: 8421504, |
|
green: 32768, |
|
greenyellow: 11403055, |
|
grey: 8421504, |
|
honeydew: 15794160, |
|
hotpink: 16738740, |
|
indianred: 13458524, |
|
indigo: 4915330, |
|
ivory: 16777200, |
|
khaki: 15787660, |
|
lavender: 15132410, |
|
lavenderblush: 16773365, |
|
lawngreen: 8190976, |
|
lemonchiffon: 16775885, |
|
lightblue: 11393254, |
|
lightcoral: 15761536, |
|
lightcyan: 14745599, |
|
lightgoldenrodyellow: 16448210, |
|
lightgray: 13882323, |
|
lightgreen: 9498256, |
|
lightgrey: 13882323, |
|
lightpink: 16758465, |
|
lightsalmon: 16752762, |
|
lightseagreen: 2142890, |
|
lightskyblue: 8900346, |
|
lightslategray: 7833753, |
|
lightslategrey: 7833753, |
|
lightsteelblue: 11584734, |
|
lightyellow: 16777184, |
|
lime: 65280, |
|
limegreen: 3329330, |
|
linen: 16445670, |
|
magenta: 16711935, |
|
maroon: 8388608, |
|
mediumaquamarine: 6737322, |
|
mediumblue: 205, |
|
mediumorchid: 12211667, |
|
mediumpurple: 9662683, |
|
mediumseagreen: 3978097, |
|
mediumslateblue: 8087790, |
|
mediumspringgreen: 64154, |
|
mediumturquoise: 4772300, |
|
mediumvioletred: 13047173, |
|
midnightblue: 1644912, |
|
mintcream: 16121850, |
|
mistyrose: 16770273, |
|
moccasin: 16770229, |
|
navajowhite: 16768685, |
|
navy: 128, |
|
oldlace: 16643558, |
|
olive: 8421376, |
|
olivedrab: 7048739, |
|
orange: 16753920, |
|
orangered: 16729344, |
|
orchid: 14315734, |
|
palegoldenrod: 15657130, |
|
palegreen: 10025880, |
|
paleturquoise: 11529966, |
|
palevioletred: 14381203, |
|
papayawhip: 16773077, |
|
peachpuff: 16767673, |
|
peru: 13468991, |
|
pink: 16761035, |
|
plum: 14524637, |
|
powderblue: 11591910, |
|
purple: 8388736, |
|
red: 16711680, |
|
rosybrown: 12357519, |
|
royalblue: 4286945, |
|
saddlebrown: 9127187, |
|
salmon: 16416882, |
|
sandybrown: 16032864, |
|
seagreen: 3050327, |
|
seashell: 16774638, |
|
sienna: 10506797, |
|
silver: 12632256, |
|
skyblue: 8900331, |
|
slateblue: 6970061, |
|
slategray: 7372944, |
|
slategrey: 7372944, |
|
snow: 16775930, |
|
springgreen: 65407, |
|
steelblue: 4620980, |
|
tan: 13808780, |
|
teal: 32896, |
|
thistle: 14204888, |
|
tomato: 16737095, |
|
turquoise: 4251856, |
|
violet: 15631086, |
|
wheat: 16113331, |
|
white: 16777215, |
|
whitesmoke: 16119285, |
|
yellow: 16776960, |
|
yellowgreen: 10145074 |
|
}); |
|
d3_rgb_names.forEach(function(key, value) { |
|
d3_rgb_names.set(key, d3_rgbNumber(value)); |
|
}); |
|
function d3_functor(v) { |
|
return typeof v === "function" ? v : function() { |
|
return v; |
|
}; |
|
} |
|
d3.functor = d3_functor; |
|
function d3_identity(d) { |
|
return d; |
|
} |
|
d3.xhr = d3_xhrType(d3_identity); |
|
function d3_xhrType(response) { |
|
return function(url, mimeType, callback) { |
|
if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, |
|
mimeType = null; |
|
return d3_xhr(url, mimeType, response, callback); |
|
}; |
|
} |
|
function d3_xhr(url, mimeType, response, callback) { |
|
var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null; |
|
if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest(); |
|
"onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() { |
|
request.readyState > 3 && respond(); |
|
}; |
|
function respond() { |
|
var status = request.status, result; |
|
if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) { |
|
try { |
|
result = response.call(xhr, request); |
|
} catch (e) { |
|
dispatch.error.call(xhr, e); |
|
return; |
|
} |
|
dispatch.load.call(xhr, result); |
|
} else { |
|
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.responseType = function(value) { |
|
if (!arguments.length) return responseType; |
|
responseType = 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 (responseType != null) request.responseType = responseType; |
|
if (callback != null) xhr.on("error", callback).on("load", function(request) { |
|
callback(null, request); |
|
}); |
|
dispatch.beforesend.call(xhr, request); |
|
request.send(data == null ? null : data); |
|
return xhr; |
|
}; |
|
xhr.abort = function() { |
|
request.abort(); |
|
return xhr; |
|
}; |
|
d3.rebind(xhr, dispatch, "on"); |
|
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_xhrHasResponse(request) { |
|
var type = request.responseType; |
|
return type && type !== "text" ? request.response : request.responseText; |
|
} |
|
d3.dsv = function(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, row == null ? response : typedResponse(row), callback); |
|
xhr.row = function(_) { |
|
return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row; |
|
}; |
|
return xhr; |
|
} |
|
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.slice(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.slice(j, I - k); |
|
} |
|
return text.slice(j); |
|
} |
|
while ((t = token()) !== EOF) { |
|
var a = []; |
|
while (t !== EOL && t !== EOF) { |
|
a.push(t); |
|
t = token(); |
|
} |
|
if (f && (a = f(a, n++)) == null) continue; |
|
rows.push(a); |
|
} |
|
return rows; |
|
}; |
|
dsv.format = function(rows) { |
|
if (Array.isArray(rows[0])) return dsv.formatRows(rows); |
|
var fieldSet = new d3_Set(), fields = []; |
|
rows.forEach(function(row) { |
|
for (var field in row) { |
|
if (!fieldSet.has(field)) { |
|
fields.push(fieldSet.add(field)); |
|
} |
|
} |
|
}); |
|
return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) { |
|
return fields.map(function(field) { |
|
return formatValue(row[field]); |
|
}).join(delimiter); |
|
})).join("\n"); |
|
}; |
|
dsv.formatRows = function(rows) { |
|
return rows.map(formatRow).join("\n"); |
|
}; |
|
function formatRow(row) { |
|
return row.map(formatValue).join(delimiter); |
|
} |
|
function formatValue(text) { |
|
return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text; |
|
} |
|
return dsv; |
|
}; |
|
d3.csv = d3.dsv(",", "text/csv"); |
|
d3.tsv = d3.dsv(" ", "text/tab-separated-values"); |
|
var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) { |
|
setTimeout(callback, 17); |
|
}; |
|
d3.timer = function(callback, delay, then) { |
|
var n = arguments.length; |
|
if (n < 2) delay = 0; |
|
if (n < 3) then = Date.now(); |
|
var time = then + delay, timer = { |
|
c: callback, |
|
t: time, |
|
f: false, |
|
n: null |
|
}; |
|
if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer; |
|
d3_timer_queueTail = timer; |
|
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 now = d3_timer_mark(), delay = d3_timer_sweep() - 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() { |
|
d3_timer_mark(); |
|
d3_timer_sweep(); |
|
}; |
|
function d3_timer_mark() { |
|
var now = Date.now(); |
|
d3_timer_active = d3_timer_queueHead; |
|
while (d3_timer_active) { |
|
if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t); |
|
d3_timer_active = d3_timer_active.n; |
|
} |
|
return now; |
|
} |
|
function d3_timer_sweep() { |
|
var t0, t1 = d3_timer_queueHead, time = Infinity; |
|
while (t1) { |
|
if (t1.f) { |
|
t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n; |
|
} else { |
|
if (t1.t < time) time = t1.t; |
|
t1 = (t0 = t1).n; |
|
} |
|
} |
|
d3_timer_queueTail = t0; |
|
return time; |
|
} |
|
function d3_format_precision(x, p) { |
|
return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1); |
|
} |
|
d3.round = function(x, n) { |
|
return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x); |
|
}; |
|
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 - 1) / 3) * 3)); |
|
} |
|
return d3_formatPrefixes[8 + i / 3]; |
|
}; |
|
function d3_formatPrefix(d, i) { |
|
var k = Math.pow(10, abs(8 - i) * 3); |
|
return { |
|
scale: i > 8 ? function(d) { |
|
return d / k; |
|
} : function(d) { |
|
return d * k; |
|
}, |
|
symbol: d |
|
}; |
|
} |
|
function d3_locale_numberFormat(locale) { |
|
var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) { |
|
var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0; |
|
while (i > 0 && g > 0) { |
|
if (length + g + 1 > width) g = Math.max(1, width - length); |
|
t.push(value.substring(i -= g, i + g)); |
|
if ((length += g + 1) > width) break; |
|
g = locale_grouping[j = (j + 1) % locale_grouping.length]; |
|
} |
|
return t.reverse().join(locale_thousands); |
|
} : d3_identity; |
|
return function(specifier) { |
|
var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true; |
|
if (precision) precision = +precision.substring(1); |
|
if (zfill || fill === "0" && align === "=") { |
|
zfill = fill = "0"; |
|
align = "="; |
|
} |
|
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 (symbol === "#") prefix = "0" + type.toLowerCase(); |
|
|
|
case "c": |
|
exponent = false; |
|
|
|
case "d": |
|
integer = true; |
|
precision = 0; |
|
break; |
|
|
|
case "s": |
|
scale = -1; |
|
type = "r"; |
|
break; |
|
} |
|
if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1]; |
|
if (type == "r" && !precision) type = "g"; |
|
if (precision != null) { |
|
if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision)); |
|
} |
|
type = d3_format_types.get(type) || d3_format_typeDefault; |
|
var zcomma = zfill && comma; |
|
return function(value) { |
|
var fullSuffix = suffix; |
|
if (integer && value % 1) return ""; |
|
var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign; |
|
if (scale < 0) { |
|
var unit = d3.formatPrefix(value, precision); |
|
value = unit.scale(value); |
|
fullSuffix = unit.symbol + suffix; |
|
} else { |
|
value *= scale; |
|
} |
|
value = type(value, precision); |
|
var i = value.lastIndexOf("."), before, after; |
|
if (i < 0) { |
|
var j = exponent ? value.lastIndexOf("e") : -1; |
|
if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j); |
|
} else { |
|
before = value.substring(0, i); |
|
after = locale_decimal + value.substring(i + 1); |
|
} |
|
if (!zfill && comma) before = formatGroup(before, Infinity); |
|
var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : ""; |
|
if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity); |
|
negative += prefix; |
|
value = before + after; |
|
return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix; |
|
}; |
|
}; |
|
} |
|
var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(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_typeDefault(x) { |
|
return x + ""; |
|
} |
|
var d3_time = d3.time = {}, d3_date = Date; |
|
function d3_date_utc() { |
|
this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]); |
|
} |
|
d3_date_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; |
|
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_date(date - 1)), 1); |
|
return date; |
|
} |
|
function offset(date, k) { |
|
step(date = new d3_date(+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_date = d3_date_utc; |
|
var utc = new d3_date_utc(); |
|
utc._ = t0; |
|
return range(utc, t1, dt); |
|
} finally { |
|
d3_date = 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_date = d3_date_utc; |
|
var utc = new d3_date_utc(); |
|
utc._ = date; |
|
return method(utc, k)._; |
|
} finally { |
|
d3_date = 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_date(2e3, 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); |
|
}; |
|
[ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) { |
|
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; |
|
function d3_locale_timeFormat(locale) { |
|
var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths; |
|
function d3_time_format(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.slice(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.slice(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, |
|
Z: null |
|
}, 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 localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)(); |
|
if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) { |
|
date.setFullYear(d.y, 0, 1); |
|
date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7); |
|
} else date.setFullYear(d.y, d.m, d.d); |
|
date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L); |
|
return localZ ? date._ : date; |
|
}; |
|
format.toString = function() { |
|
return template; |
|
}; |
|
return format; |
|
} |
|
function d3_time_parse(date, template, string, j) { |
|
var c, p, t, i = 0, n = template.length, m = string.length; |
|
while (i < n) { |
|
if (j >= m) return -1; |
|
c = template.charCodeAt(i++); |
|
if (c === 37) { |
|
t = template.charAt(i++); |
|
p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t]; |
|
if (!p || (j = p(date, string, j)) < 0) return -1; |
|
} else if (c != string.charCodeAt(j++)) { |
|
return -1; |
|
} |
|
} |
|
return j; |
|
} |
|
d3_time_format.utc = function(template) { |
|
var local = d3_time_format(template); |
|
function format(date) { |
|
try { |
|
d3_date = d3_date_utc; |
|
var utc = new d3_date(); |
|
utc._ = date; |
|
return local(utc); |
|
} finally { |
|
d3_date = Date; |
|
} |
|
} |
|
format.parse = function(string) { |
|
try { |
|
d3_date = d3_date_utc; |
|
var date = local.parse(string); |
|
return date && date._; |
|
} finally { |
|
d3_date = Date; |
|
} |
|
}; |
|
format.toString = local.toString; |
|
return format; |
|
}; |
|
d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti; |
|
var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths); |
|
locale_periods.forEach(function(p, i) { |
|
d3_time_periodLookup.set(p.toLowerCase(), i); |
|
}); |
|
var d3_time_formats = { |
|
a: function(d) { |
|
return locale_shortDays[d.getDay()]; |
|
}, |
|
A: function(d) { |
|
return locale_days[d.getDay()]; |
|
}, |
|
b: function(d) { |
|
return locale_shortMonths[d.getMonth()]; |
|
}, |
|
B: function(d) { |
|
return locale_months[d.getMonth()]; |
|
}, |
|
c: d3_time_format(locale_dateTime), |
|
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 locale_periods[+(d.getHours() >= 12)]; |
|
}, |
|
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(locale_date), |
|
X: d3_time_format(locale_time), |
|
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, |
|
j: d3_time_parseDayOfYear, |
|
L: d3_time_parseMilliseconds, |
|
m: d3_time_parseMonthNumber, |
|
M: d3_time_parseMinutes, |
|
p: d3_time_parseAmPm, |
|
S: d3_time_parseSeconds, |
|
U: d3_time_parseWeekNumberSunday, |
|
w: d3_time_parseWeekdayNumber, |
|
W: d3_time_parseWeekNumberMonday, |
|
x: d3_time_parseLocaleDate, |
|
X: d3_time_parseLocaleTime, |
|
y: d3_time_parseYear, |
|
Y: d3_time_parseFullYear, |
|
Z: d3_time_parseZone, |
|
"%": d3_time_parseLiteralPercent |
|
}; |
|
function d3_time_parseWeekdayAbbrev(date, string, i) { |
|
d3_time_dayAbbrevRe.lastIndex = 0; |
|
var n = d3_time_dayAbbrevRe.exec(string.slice(i)); |
|
return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; |
|
} |
|
function d3_time_parseWeekday(date, string, i) { |
|
d3_time_dayRe.lastIndex = 0; |
|
var n = d3_time_dayRe.exec(string.slice(i)); |
|
return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1; |
|
} |
|
function d3_time_parseMonthAbbrev(date, string, i) { |
|
d3_time_monthAbbrevRe.lastIndex = 0; |
|
var n = d3_time_monthAbbrevRe.exec(string.slice(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.slice(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_parseAmPm(date, string, i) { |
|
var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase()); |
|
return n == null ? -1 : (date.p = n, i); |
|
} |
|
return d3_time_format; |
|
} |
|
var d3_time_formatPads = { |
|
"-": "", |
|
_: " ", |
|
"0": "0" |
|
}, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/; |
|
function d3_time_formatPad(value, fill, width) { |
|
var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length; |
|
return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); |
|
} |
|
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_parseWeekdayNumber(date, string, i) { |
|
d3_time_numberRe.lastIndex = 0; |
|
var n = d3_time_numberRe.exec(string.slice(i, i + 1)); |
|
return n ? (date.w = +n[0], i + n[0].length) : -1; |
|
} |
|
function d3_time_parseWeekNumberSunday(date, string, i) { |
|
d3_time_numberRe.lastIndex = 0; |
|
var n = d3_time_numberRe.exec(string.slice(i)); |
|
return n ? (date.U = +n[0], i + n[0].length) : -1; |
|
} |
|
function d3_time_parseWeekNumberMonday(date, string, i) { |
|
d3_time_numberRe.lastIndex = 0; |
|
var n = d3_time_numberRe.exec(string.slice(i)); |
|
return n ? (date.W = +n[0], i + n[0].length) : -1; |
|
} |
|
function d3_time_parseFullYear(date, string, i) { |
|
d3_time_numberRe.lastIndex = 0; |
|
var n = d3_time_numberRe.exec(string.slice(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.slice(i, i + 2)); |
|
return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1; |
|
} |
|
function d3_time_parseZone(date, string, i) { |
|
return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, |
|
i + 5) : -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.slice(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.slice(i, i + 2)); |
|
return n ? (date.d = +n[0], i + n[0].length) : -1; |
|
} |
|
function d3_time_parseDayOfYear(date, string, i) { |
|
d3_time_numberRe.lastIndex = 0; |
|
var n = d3_time_numberRe.exec(string.slice(i, i + 3)); |
|
return n ? (date.j = +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.slice(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.slice(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.slice(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.slice(i, i + 3)); |
|
return n ? (date.L = +n[0], i + n[0].length) : -1; |
|
} |
|
function d3_time_zone(d) { |
|
var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60; |
|
return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2); |
|
} |
|
function d3_time_parseLiteralPercent(date, string, i) { |
|
d3_time_percentRe.lastIndex = 0; |
|
var n = d3_time_percentRe.exec(string.slice(i, i + 1)); |
|
return n ? i + n[0].length : -1; |
|
} |
|
function d3_time_formatMulti(formats) { |
|
var n = formats.length, i = -1; |
|
while (++i < n) formats[i][0] = this(formats[i][0]); |
|
return function(date) { |
|
var i = 0, f = formats[i]; |
|
while (!f[1](date)) f = formats[++i]; |
|
return f[0](date); |
|
}; |
|
} |
|
d3.locale = function(locale) { |
|
return { |
|
numberFormat: d3_locale_numberFormat(locale), |
|
timeFormat: d3_locale_timeFormat(locale) |
|
}; |
|
}; |
|
var d3_locale_enUS = d3.locale({ |
|
decimal: ".", |
|
thousands: ",", |
|
grouping: [ 3 ], |
|
currency: [ "$", "" ], |
|
dateTime: "%a %b %e %X %Y", |
|
date: "%m/%d/%Y", |
|
time: "%H:%M:%S", |
|
periods: [ "AM", "PM" ], |
|
days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ], |
|
shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ], |
|
months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ], |
|
shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ] |
|
}); |
|
d3.format = d3_locale_enUS.numberFormat; |
|
d3.geo = {}; |
|
function d3_adder() {} |
|
d3_adder.prototype = { |
|
s: 0, |
|
t: 0, |
|
add: function(y) { |
|
d3_adderSum(y, this.t, d3_adderTemp); |
|
d3_adderSum(d3_adderTemp.s, this.s, this); |
|
if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t; |
|
}, |
|
reset: function() { |
|
this.s = this.t = 0; |
|
}, |
|
valueOf: function() { |
|
return this.s; |
|
} |
|
}; |
|
var d3_adderTemp = new d3_adder(); |
|
function d3_adderSum(a, b, o) { |
|
var x = o.s = a + b, bv = x - a, av = x - bv; |
|
o.t = a - av + (b - bv); |
|
} |
|
d3.geo.stream = function(object, listener) { |
|
if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) { |
|
d3_geo_streamObjectType[object.type](object, listener); |
|
} else { |
|
d3_geo_streamGeometry(object, listener); |
|
} |
|
}; |
|
function d3_geo_streamGeometry(geometry, listener) { |
|
if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) { |
|
d3_geo_streamGeometryType[geometry.type](geometry, listener); |
|
} |
|
} |
|
var d3_geo_streamObjectType = { |
|
Feature: function(feature, listener) { |
|
d3_geo_streamGeometry(feature.geometry, listener); |
|
}, |
|
FeatureCollection: function(object, listener) { |
|
var features = object.features, i = -1, n = features.length; |
|
while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener); |
|
} |
|
}; |
|
var d3_geo_streamGeometryType = { |
|
Sphere: function(object, listener) { |
|
listener.sphere(); |
|
}, |
|
Point: function(object, listener) { |
|
object = object.coordinates; |
|
listener.point(object[0], object[1], object[2]); |
|
}, |
|
MultiPoint: function(object, listener) { |
|
var coordinates = object.coordinates, i = -1, n = coordinates.length; |
|
while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]); |
|
}, |
|
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], coordinate[2]); |
|
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_areaRingSum = new d3_adder(); |
|
var d3_geo_area = { |
|
sphere: function() { |
|
d3_geo_areaSum += 4 * π; |
|
}, |
|
point: d3_noop, |
|
lineStart: d3_noop, |
|
lineEnd: d3_noop, |
|
polygonStart: function() { |
|
d3_geo_areaRingSum.reset(); |
|
d3_geo_area.lineStart = d3_geo_areaRingStart; |
|
}, |
|
polygonEnd: function() { |
|
var area = 2 * d3_geo_areaRingSum; |
|
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, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ); |
|
d3_geo_areaRingSum.add(Math.atan2(v, u)); |
|
λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ; |
|
} |
|
d3_geo_area.lineEnd = function() { |
|
nextPoint(λ00, φ00); |
|
}; |
|
} |
|
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_geo_spherical(cartesian) { |
|
return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ]; |
|
} |
|
function d3_geo_sphericalEqual(a, b) { |
|
return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε; |
|
} |
|
d3.geo.bounds = function() { |
|
var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range; |
|
var bound = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { |
|
bound.point = ringPoint; |
|
bound.lineStart = ringStart; |
|
bound.lineEnd = ringEnd; |
|
dλSum = 0; |
|
d3_geo_area.polygonStart(); |
|
}, |
|
polygonEnd: function() { |
|
d3_geo_area.polygonEnd(); |
|
bound.point = point; |
|
bound.lineStart = lineStart; |
|
bound.lineEnd = lineEnd; |
|
if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90; |
|
range[0] = λ0, range[1] = λ1; |
|
} |
|
}; |
|
function point(λ, φ) { |
|
ranges.push(range = [ λ0 = λ, λ1 = λ ]); |
|
if (φ < φ0) φ0 = φ; |
|
if (φ > φ1) φ1 = φ; |
|
} |
|
function linePoint(λ, φ) { |
|
var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]); |
|
if (p0) { |
|
var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal); |
|
d3_geo_cartesianNormalize(inflection); |
|
inflection = d3_geo_spherical(inflection); |
|
var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180; |
|
if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) { |
|
var φi = inflection[1] * d3_degrees; |
|
if (φi > φ1) φ1 = φi; |
|
} else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) { |
|
var φi = -inflection[1] * d3_degrees; |
|
if (φi < φ0) φ0 = φi; |
|
} else { |
|
if (φ < φ0) φ0 = φ; |
|
if (φ > φ1) φ1 = φ; |
|
} |
|
if (antimeridian) { |
|
if (λ < λ_) { |
|
if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; |
|
} else { |
|
if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; |
|
} |
|
} else { |
|
if (λ1 >= λ0) { |
|
if (λ < λ0) λ0 = λ; |
|
if (λ > λ1) λ1 = λ; |
|
} else { |
|
if (λ > λ_) { |
|
if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ; |
|
} else { |
|
if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ; |
|
} |
|
} |
|
} |
|
} else { |
|
point(λ, φ); |
|
} |
|
p0 = p, λ_ = λ; |
|
} |
|
function lineStart() { |
|
bound.point = linePoint; |
|
} |
|
function lineEnd() { |
|
range[0] = λ0, range[1] = λ1; |
|
bound.point = point; |
|
p0 = null; |
|
} |
|
function ringPoint(λ, φ) { |
|
if (p0) { |
|
var dλ = λ - λ_; |
|
dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ; |
|
} else λ__ = λ, φ__ = φ; |
|
d3_geo_area.point(λ, φ); |
|
linePoint(λ, φ); |
|
} |
|
function ringStart() { |
|
d3_geo_area.lineStart(); |
|
} |
|
function ringEnd() { |
|
ringPoint(λ__, φ__); |
|
d3_geo_area.lineEnd(); |
|
if (abs(dλSum) > ε) λ0 = -(λ1 = 180); |
|
range[0] = λ0, range[1] = λ1; |
|
p0 = null; |
|
} |
|
function angle(λ0, λ1) { |
|
return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1; |
|
} |
|
function compareRanges(a, b) { |
|
return a[0] - b[0]; |
|
} |
|
function withinRange(x, range) { |
|
return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; |
|
} |
|
return function(feature) { |
|
φ1 = λ1 = -(λ0 = φ0 = Infinity); |
|
ranges = []; |
|
d3.geo.stream(feature, bound); |
|
var n = ranges.length; |
|
if (n) { |
|
ranges.sort(compareRanges); |
|
for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) { |
|
b = ranges[i]; |
|
if (withinRange(b[0], a) || withinRange(b[1], a)) { |
|
if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; |
|
if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; |
|
} else { |
|
merged.push(a = b); |
|
} |
|
} |
|
var best = -Infinity, dλ; |
|
for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) { |
|
b = merged[i]; |
|
if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1]; |
|
} |
|
} |
|
ranges = range = null; |
|
return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ]; |
|
}; |
|
}(); |
|
d3.geo.centroid = function(object) { |
|
d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; |
|
d3.geo.stream(object, d3_geo_centroid); |
|
var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z; |
|
if (m < ε2) { |
|
x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1; |
|
if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0; |
|
m = x * x + y * y + z * z; |
|
if (m < ε2) return [ NaN, NaN ]; |
|
} |
|
return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ]; |
|
}; |
|
var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2; |
|
var d3_geo_centroid = { |
|
sphere: d3_noop, |
|
point: d3_geo_centroidPoint, |
|
lineStart: d3_geo_centroidLineStart, |
|
lineEnd: d3_geo_centroidLineEnd, |
|
polygonStart: function() { |
|
d3_geo_centroid.lineStart = d3_geo_centroidRingStart; |
|
}, |
|
polygonEnd: function() { |
|
d3_geo_centroid.lineStart = d3_geo_centroidLineStart; |
|
} |
|
}; |
|
function d3_geo_centroidPoint(λ, φ) { |
|
λ *= d3_radians; |
|
var cosφ = Math.cos(φ *= d3_radians); |
|
d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ)); |
|
} |
|
function d3_geo_centroidPointXYZ(x, y, z) { |
|
++d3_geo_centroidW0; |
|
d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0; |
|
d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0; |
|
d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0; |
|
} |
|
function d3_geo_centroidLineStart() { |
|
var x0, y0, z0; |
|
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; |
|
d3_geo_centroidPointXYZ(x0, y0, z0); |
|
}; |
|
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_centroidW1 += w; |
|
d3_geo_centroidX1 += w * (x0 + (x0 = x)); |
|
d3_geo_centroidY1 += w * (y0 + (y0 = y)); |
|
d3_geo_centroidZ1 += w * (z0 + (z0 = z)); |
|
d3_geo_centroidPointXYZ(x0, y0, z0); |
|
} |
|
} |
|
function d3_geo_centroidLineEnd() { |
|
d3_geo_centroid.point = d3_geo_centroidPoint; |
|
} |
|
function d3_geo_centroidRingStart() { |
|
var λ00, φ00, x0, y0, z0; |
|
d3_geo_centroid.point = function(λ, φ) { |
|
λ00 = λ, φ00 = φ; |
|
d3_geo_centroid.point = nextPoint; |
|
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_centroidPointXYZ(x0, y0, z0); |
|
}; |
|
d3_geo_centroid.lineEnd = function() { |
|
nextPoint(λ00, φ00); |
|
d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd; |
|
d3_geo_centroid.point = d3_geo_centroidPoint; |
|
}; |
|
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), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u); |
|
d3_geo_centroidX2 += v * cx; |
|
d3_geo_centroidY2 += v * cy; |
|
d3_geo_centroidZ2 += v * cz; |
|
d3_geo_centroidW1 += w; |
|
d3_geo_centroidX1 += w * (x0 + (x0 = x)); |
|
d3_geo_centroidY1 += w * (y0 + (y0 = y)); |
|
d3_geo_centroidZ1 += w * (z0 + (z0 = z)); |
|
d3_geo_centroidPointXYZ(x0, y0, z0); |
|
} |
|
} |
|
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_true() { |
|
return true; |
|
} |
|
function d3_geo_clipPolygon(segments, compare, clipStartInside, 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 = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false); |
|
a.o = b; |
|
subject.push(a); |
|
clip.push(b); |
|
a = new d3_geo_clipPolygonIntersection(p1, segment, null, false); |
|
b = new d3_geo_clipPolygonIntersection(p1, null, a, true); |
|
a.o = b; |
|
subject.push(a); |
|
clip.push(b); |
|
}); |
|
clip.sort(compare); |
|
d3_geo_clipPolygonLinkCircular(subject); |
|
d3_geo_clipPolygonLinkCircular(clip); |
|
if (!subject.length) return; |
|
for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) { |
|
clip[i].e = entry = !entry; |
|
} |
|
var start = subject[0], points, point; |
|
while (1) { |
|
var current = start, isSubject = true; |
|
while (current.v) if ((current = current.n) === start) return; |
|
points = current.z; |
|
listener.lineStart(); |
|
do { |
|
current.v = current.o.v = true; |
|
if (current.e) { |
|
if (isSubject) { |
|
for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]); |
|
} else { |
|
interpolate(current.x, current.n.x, 1, listener); |
|
} |
|
current = current.n; |
|
} else { |
|
if (isSubject) { |
|
points = current.p.z; |
|
for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]); |
|
} else { |
|
interpolate(current.x, current.p.x, -1, listener); |
|
} |
|
current = current.p; |
|
} |
|
current = current.o; |
|
points = current.z; |
|
isSubject = !isSubject; |
|
} while (!current.v); |
|
listener.lineEnd(); |
|
} |
|
} |
|
function d3_geo_clipPolygonLinkCircular(array) { |
|
if (!(n = array.length)) return; |
|
var n, i = 0, a = array[0], b; |
|
while (++i < n) { |
|
a.n = b = array[i]; |
|
b.p = a; |
|
a = b; |
|
} |
|
a.n = b = array[0]; |
|
b.p = a; |
|
} |
|
function d3_geo_clipPolygonIntersection(point, points, other, entry) { |
|
this.x = point; |
|
this.z = points; |
|
this.o = other; |
|
this.e = entry; |
|
this.v = false; |
|
this.n = this.p = null; |
|
} |
|
function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) { |
|
return function(rotate, listener) { |
|
var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]); |
|
var clip = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { |
|
clip.point = pointRing; |
|
clip.lineStart = ringStart; |
|
clip.lineEnd = ringEnd; |
|
segments = []; |
|
polygon = []; |
|
}, |
|
polygonEnd: function() { |
|
clip.point = point; |
|
clip.lineStart = lineStart; |
|
clip.lineEnd = lineEnd; |
|
segments = d3.merge(segments); |
|
var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon); |
|
if (segments.length) { |
|
if (!polygonStarted) listener.polygonStart(), polygonStarted = true; |
|
d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener); |
|
} else if (clipStartInside) { |
|
if (!polygonStarted) listener.polygonStart(), polygonStarted = true; |
|
listener.lineStart(); |
|
interpolate(null, null, 1, listener); |
|
listener.lineEnd(); |
|
} |
|
if (polygonStarted) listener.polygonEnd(), polygonStarted = false; |
|
segments = polygon = null; |
|
}, |
|
sphere: function() { |
|
listener.polygonStart(); |
|
listener.lineStart(); |
|
interpolate(null, null, 1, listener); |
|
listener.lineEnd(); |
|
listener.polygonEnd(); |
|
} |
|
}; |
|
function point(λ, φ) { |
|
var point = rotate(λ, φ); |
|
if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ); |
|
} |
|
function pointLine(λ, φ) { |
|
var point = rotate(λ, φ); |
|
line.point(point[0], point[1]); |
|
} |
|
function lineStart() { |
|
clip.point = pointLine; |
|
line.lineStart(); |
|
} |
|
function lineEnd() { |
|
clip.point = point; |
|
line.lineEnd(); |
|
} |
|
var segments; |
|
var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring; |
|
function pointRing(λ, φ) { |
|
ring.push([ λ, φ ]); |
|
var point = rotate(λ, φ); |
|
ringListener.point(point[0], point[1]); |
|
} |
|
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; |
|
ring.pop(); |
|
polygon.push(ring); |
|
ring = null; |
|
if (!n) return; |
|
if (clean & 1) { |
|
segment = ringSegments[0]; |
|
var n = segment.length - 1, i = -1, point; |
|
if (n > 0) { |
|
if (!polygonStarted) listener.polygonStart(), polygonStarted = true; |
|
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_clipSort(a, b) { |
|
return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]); |
|
} |
|
var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]); |
|
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 = abs(λ1 - λ0); |
|
if (abs(dλ - π) < ε) { |
|
listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ); |
|
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 (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε; |
|
if (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 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 * halfπ; |
|
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 (abs(from[0] - to[0]) > ε) { |
|
var s = from[0] < to[0] ? π : -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_pointInPolygon(point, polygon) { |
|
var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0; |
|
d3_geo_areaRingSum.reset(); |
|
for (var i = 0, n = polygon.length; i < n; ++i) { |
|
var ring = polygon[i], m = ring.length; |
|
if (!m) continue; |
|
var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1; |
|
while (true) { |
|
if (j === m) j = 0; |
|
point = ring[j]; |
|
var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ; |
|
d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ))); |
|
polarAngle += antimeridian ? dλ + sdλ * τ : dλ; |
|
if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) { |
|
var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point)); |
|
d3_geo_cartesianNormalize(arc); |
|
var intersection = d3_geo_cartesianCross(meridianNormal, arc); |
|
d3_geo_cartesianNormalize(intersection); |
|
var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]); |
|
if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) { |
|
winding += antimeridian ^ dλ >= 0 ? 1 : -1; |
|
} |
|
} |
|
if (!j++) break; |
|
λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point; |
|
} |
|
} |
|
return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1; |
|
} |
|
function d3_geo_clipCircle(radius) { |
|
var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians); |
|
return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]); |
|
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 = 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] < (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; |
|
} |
|
} |
|
function d3_geom_clipLine(x0, y0, x1, y1) { |
|
return function(line) { |
|
var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r; |
|
r = x0 - ax; |
|
if (!dx && r > 0) return; |
|
r /= dx; |
|
if (dx < 0) { |
|
if (r < t0) return; |
|
if (r < t1) t1 = r; |
|
} else if (dx > 0) { |
|
if (r > t1) return; |
|
if (r > t0) t0 = r; |
|
} |
|
r = x1 - ax; |
|
if (!dx && r < 0) return; |
|
r /= dx; |
|
if (dx < 0) { |
|
if (r > t1) return; |
|
if (r > t0) t0 = r; |
|
} else if (dx > 0) { |
|
if (r < t0) return; |
|
if (r < t1) t1 = r; |
|
} |
|
r = y0 - ay; |
|
if (!dy && r > 0) return; |
|
r /= dy; |
|
if (dy < 0) { |
|
if (r < t0) return; |
|
if (r < t1) t1 = r; |
|
} else if (dy > 0) { |
|
if (r > t1) return; |
|
if (r > t0) t0 = r; |
|
} |
|
r = y1 - ay; |
|
if (!dy && r < 0) return; |
|
r /= dy; |
|
if (dy < 0) { |
|
if (r > t1) return; |
|
if (r > t0) t0 = r; |
|
} else if (dy > 0) { |
|
if (r < t0) return; |
|
if (r < t1) t1 = r; |
|
} |
|
if (t0 > 0) line.a = { |
|
x: ax + t0 * dx, |
|
y: ay + t0 * dy |
|
}; |
|
if (t1 < 1) line.b = { |
|
x: ax + t1 * dx, |
|
y: ay + t1 * dy |
|
}; |
|
return line; |
|
}; |
|
} |
|
var d3_geo_clipExtentMAX = 1e9; |
|
d3.geo.clipExtent = function() { |
|
var x0, y0, x1, y1, stream, clip, clipExtent = { |
|
stream: function(output) { |
|
if (stream) stream.valid = false; |
|
stream = clip(output); |
|
stream.valid = true; |
|
return stream; |
|
}, |
|
extent: function(_) { |
|
if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ]; |
|
clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]); |
|
if (stream) stream.valid = false, stream = null; |
|
return clipExtent; |
|
} |
|
}; |
|
return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]); |
|
}; |
|
function d3_geo_clipExtent(x0, y0, x1, y1) { |
|
return function(listener) { |
|
var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring; |
|
var clip = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { |
|
listener = bufferListener; |
|
segments = []; |
|
polygon = []; |
|
clean = true; |
|
}, |
|
polygonEnd: function() { |
|
listener = listener_; |
|
segments = d3.merge(segments); |
|
var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length; |
|
if (inside || visible) { |
|
listener.polygonStart(); |
|
if (inside) { |
|
listener.lineStart(); |
|
interpolate(null, null, 1, listener); |
|
listener.lineEnd(); |
|
} |
|
if (visible) { |
|
d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener); |
|
} |
|
listener.polygonEnd(); |
|
} |
|
segments = polygon = ring = null; |
|
} |
|
}; |
|
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], b; j < m; ++j) { |
|
b = v[j]; |
|
if (a[1] <= y) { |
|
if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn; |
|
} else { |
|
if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn; |
|
} |
|
a = b; |
|
} |
|
} |
|
return wn !== 0; |
|
} |
|
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 pointVisible(x, y) { |
|
return x0 <= x && x <= x1 && y0 <= y && y <= y1; |
|
} |
|
function point(x, y) { |
|
if (pointVisible(x, y)) listener.point(x, y); |
|
} |
|
var x__, y__, v__, x_, y_, v_, first, clean; |
|
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_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x)); |
|
y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y)); |
|
var v = pointVisible(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 l = { |
|
a: { |
|
x: x_, |
|
y: y_ |
|
}, |
|
b: { |
|
x: x, |
|
y: y |
|
} |
|
}; |
|
if (clipLine(l)) { |
|
if (!v_) { |
|
listener.lineStart(); |
|
listener.point(l.a.x, l.a.y); |
|
} |
|
listener.point(l.b.x, l.b.y); |
|
if (!v) listener.lineEnd(); |
|
clean = false; |
|
} else if (v) { |
|
listener.lineStart(); |
|
listener.point(x, y); |
|
clean = false; |
|
} |
|
} |
|
} |
|
x_ = x, y_ = y, v_ = v; |
|
} |
|
return clip; |
|
}; |
|
function corner(p, direction) { |
|
return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2; |
|
} |
|
function compare(a, b) { |
|
return comparePoints(a.x, b.x); |
|
} |
|
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 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, d3_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.albers = function() { |
|
return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070); |
|
}; |
|
d3.geo.albersUsa = function() { |
|
var lower48 = d3.geo.albers(); |
|
var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]); |
|
var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]); |
|
var point, pointStream = { |
|
point: function(x, y) { |
|
point = [ x, y ]; |
|
} |
|
}, lower48Point, alaskaPoint, hawaiiPoint; |
|
function albersUsa(coordinates) { |
|
var x = coordinates[0], y = coordinates[1]; |
|
point = null; |
|
(lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y); |
|
return point; |
|
} |
|
albersUsa.invert = function(coordinates) { |
|
var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k; |
|
return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates); |
|
}; |
|
albersUsa.stream = function(stream) { |
|
var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream); |
|
return { |
|
point: function(x, y) { |
|
lower48Stream.point(x, y); |
|
alaskaStream.point(x, y); |
|
hawaiiStream.point(x, y); |
|
}, |
|
sphere: function() { |
|
lower48Stream.sphere(); |
|
alaskaStream.sphere(); |
|
hawaiiStream.sphere(); |
|
}, |
|
lineStart: function() { |
|
lower48Stream.lineStart(); |
|
alaskaStream.lineStart(); |
|
hawaiiStream.lineStart(); |
|
}, |
|
lineEnd: function() { |
|
lower48Stream.lineEnd(); |
|
alaskaStream.lineEnd(); |
|
hawaiiStream.lineEnd(); |
|
}, |
|
polygonStart: function() { |
|
lower48Stream.polygonStart(); |
|
alaskaStream.polygonStart(); |
|
hawaiiStream.polygonStart(); |
|
}, |
|
polygonEnd: function() { |
|
lower48Stream.polygonEnd(); |
|
alaskaStream.polygonEnd(); |
|
hawaiiStream.polygonEnd(); |
|
} |
|
}; |
|
}; |
|
albersUsa.precision = function(_) { |
|
if (!arguments.length) return lower48.precision(); |
|
lower48.precision(_); |
|
alaska.precision(_); |
|
hawaii.precision(_); |
|
return albersUsa; |
|
}; |
|
albersUsa.scale = function(_) { |
|
if (!arguments.length) return lower48.scale(); |
|
lower48.scale(_); |
|
alaska.scale(_ * .35); |
|
hawaii.scale(_); |
|
return albersUsa.translate(lower48.translate()); |
|
}; |
|
albersUsa.translate = function(_) { |
|
if (!arguments.length) return lower48.translate(); |
|
var k = lower48.scale(), x = +_[0], y = +_[1]; |
|
lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point; |
|
alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; |
|
hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point; |
|
return albersUsa; |
|
}; |
|
return albersUsa.scale(1070); |
|
}; |
|
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 += 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); |
|
}; |
|
} |
|
var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1; |
|
var d3_geo_pathBounds = { |
|
point: d3_geo_pathBoundsPoint, |
|
lineStart: d3_noop, |
|
lineEnd: d3_noop, |
|
polygonStart: d3_noop, |
|
polygonEnd: d3_noop |
|
}; |
|
function d3_geo_pathBoundsPoint(x, y) { |
|
if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x; |
|
if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x; |
|
if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y; |
|
if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y; |
|
} |
|
function d3_geo_pathBuffer() { |
|
var pointCircle = d3_geo_pathBufferCircle(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_pathBufferCircle(_); |
|
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; |
|
} |
|
function d3_geo_pathBufferCircle(radius) { |
|
return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z"; |
|
} |
|
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) { |
|
d3_geo_centroidX0 += x; |
|
d3_geo_centroidY0 += y; |
|
++d3_geo_centroidZ0; |
|
} |
|
function d3_geo_pathCentroidLineStart() { |
|
var x0, y0; |
|
d3_geo_pathCentroid.point = function(x, y) { |
|
d3_geo_pathCentroid.point = nextPoint; |
|
d3_geo_pathCentroidPoint(x0 = x, y0 = y); |
|
}; |
|
function nextPoint(x, y) { |
|
var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); |
|
d3_geo_centroidX1 += z * (x0 + x) / 2; |
|
d3_geo_centroidY1 += z * (y0 + y) / 2; |
|
d3_geo_centroidZ1 += z; |
|
d3_geo_pathCentroidPoint(x0 = x, y0 = y); |
|
} |
|
} |
|
function d3_geo_pathCentroidLineEnd() { |
|
d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint; |
|
} |
|
function d3_geo_pathCentroidRingStart() { |
|
var x00, y00, x0, y0; |
|
d3_geo_pathCentroid.point = function(x, y) { |
|
d3_geo_pathCentroid.point = nextPoint; |
|
d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y); |
|
}; |
|
function nextPoint(x, y) { |
|
var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy); |
|
d3_geo_centroidX1 += z * (x0 + x) / 2; |
|
d3_geo_centroidY1 += z * (y0 + y) / 2; |
|
d3_geo_centroidZ1 += z; |
|
z = y0 * x - x0 * y; |
|
d3_geo_centroidX2 += z * (x0 + x); |
|
d3_geo_centroidY2 += z * (y0 + y); |
|
d3_geo_centroidZ2 += z * 3; |
|
d3_geo_pathCentroidPoint(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 + pointRadius, y); |
|
context.arc(x, y, pointRadius, 0, τ); |
|
} |
|
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; |
|
} |
|
function d3_geo_resample(project) { |
|
var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16; |
|
function resample(stream) { |
|
return (maxDepth ? resampleRecursive : resampleNone)(stream); |
|
} |
|
function resampleNone(stream) { |
|
return d3_geo_transformPoint(stream, function(x, y) { |
|
x = project(x, y); |
|
stream.point(x[0], x[1]); |
|
}); |
|
} |
|
function resampleRecursive(stream) { |
|
var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0; |
|
var resample = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { |
|
stream.polygonStart(); |
|
resample.lineStart = ringStart; |
|
}, |
|
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 ringStart() { |
|
lineStart(); |
|
resample.point = ringPoint; |
|
resample.lineEnd = ringEnd; |
|
} |
|
function ringPoint(λ, φ) { |
|
linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; |
|
resample.point = linePoint; |
|
} |
|
function ringEnd() { |
|
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 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2; |
|
if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { |
|
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.path = function() { |
|
var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream; |
|
function path(object) { |
|
if (object) { |
|
if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); |
|
if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream); |
|
d3.geo.stream(object, cacheStream); |
|
} |
|
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_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0; |
|
d3.geo.stream(object, projectStream(d3_geo_pathCentroid)); |
|
return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ]; |
|
}; |
|
path.bounds = function(object) { |
|
d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity); |
|
d3.geo.stream(object, projectStream(d3_geo_pathBounds)); |
|
return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ]; |
|
}; |
|
path.projection = function(_) { |
|
if (!arguments.length) return projection; |
|
projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity; |
|
return reset(); |
|
}; |
|
path.context = function(_) { |
|
if (!arguments.length) return context; |
|
contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_); |
|
if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); |
|
return reset(); |
|
}; |
|
path.pointRadius = function(_) { |
|
if (!arguments.length) return pointRadius; |
|
pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); |
|
return path; |
|
}; |
|
function reset() { |
|
cacheStream = null; |
|
return path; |
|
} |
|
return path.projection(d3.geo.albersUsa()).context(null); |
|
}; |
|
function d3_geo_pathProjectStream(project) { |
|
var resample = d3_geo_resample(function(x, y) { |
|
return project([ x * d3_degrees, y * d3_degrees ]); |
|
}); |
|
return function(stream) { |
|
return d3_geo_projectionRadians(resample(stream)); |
|
}; |
|
} |
|
d3.geo.transform = function(methods) { |
|
return { |
|
stream: function(stream) { |
|
var transform = new d3_geo_transform(stream); |
|
for (var k in methods) transform[k] = methods[k]; |
|
return transform; |
|
} |
|
}; |
|
}; |
|
function d3_geo_transform(stream) { |
|
this.stream = stream; |
|
} |
|
d3_geo_transform.prototype = { |
|
point: function(x, y) { |
|
this.stream.point(x, y); |
|
}, |
|
sphere: function() { |
|
this.stream.sphere(); |
|
}, |
|
lineStart: function() { |
|
this.stream.lineStart(); |
|
}, |
|
lineEnd: function() { |
|
this.stream.lineEnd(); |
|
}, |
|
polygonStart: function() { |
|
this.stream.polygonStart(); |
|
}, |
|
polygonEnd: function() { |
|
this.stream.polygonEnd(); |
|
} |
|
}; |
|
function d3_geo_transformPoint(stream, point) { |
|
return { |
|
point: point, |
|
sphere: function() { |
|
stream.sphere(); |
|
}, |
|
lineStart: function() { |
|
stream.lineStart(); |
|
}, |
|
lineEnd: function() { |
|
stream.lineEnd(); |
|
}, |
|
polygonStart: function() { |
|
stream.polygonStart(); |
|
}, |
|
polygonEnd: function() { |
|
stream.polygonEnd(); |
|
} |
|
}; |
|
} |
|
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, stream; |
|
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(output) { |
|
if (stream) stream.valid = false; |
|
stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output)))); |
|
stream.valid = true; |
|
return stream; |
|
}; |
|
projection.clipAngle = function(_) { |
|
if (!arguments.length) return clipAngle; |
|
preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians); |
|
return invalidate(); |
|
}; |
|
projection.clipExtent = function(_) { |
|
if (!arguments.length) return clipExtent; |
|
clipExtent = _; |
|
postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity; |
|
return invalidate(); |
|
}; |
|
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 invalidate(); |
|
} |
|
function invalidate() { |
|
if (stream) stream.valid = false, stream = null; |
|
return projection; |
|
} |
|
return function() { |
|
project = projectAt.apply(this, arguments); |
|
projection.invert = project.invert && invert; |
|
return reset(); |
|
}; |
|
} |
|
function d3_geo_projectionRadians(stream) { |
|
return d3_geo_transformPoint(stream, function(x, y) { |
|
stream.point(x * d3_radians, y * d3_radians); |
|
}); |
|
} |
|
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_identityRotation(λ, φ) { |
|
return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ]; |
|
} |
|
d3_geo_identityRotation.invert = d3_geo_equirectangular; |
|
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_identityRotation; |
|
} |
|
function d3_geo_forwardRotationλ(δλ) { |
|
return function(λ, φ) { |
|
return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : 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), d3_asin(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), d3_asin(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) { |
|
var step = direction * precision; |
|
if (from != null) { |
|
from = d3_geo_circleAngle(cr, from); |
|
to = d3_geo_circleAngle(cr, to); |
|
if (direction > 0 ? from < to : from > to) from += direction * τ; |
|
} else { |
|
from = radius + direction * τ; |
|
to = radius - .5 * step; |
|
} |
|
for (var point, 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 abs(x % DX) > ε; |
|
}).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) { |
|
return 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 = 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_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) { |
|
if (F > 0) { |
|
if (φ < -halfπ + ε) φ = -halfπ + ε; |
|
} else { |
|
if (φ > halfπ - ε) φ = halfπ - ε; |
|
} |
|
var ρ = 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)) - halfπ ]; |
|
}; |
|
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 (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)) - halfπ ]; |
|
}; |
|
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) { |
|
return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ]; |
|
} |
|
d3_geo_transverseMercator.invert = function(x, y) { |
|
return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ]; |
|
}; |
|
(d3.geo.transverseMercator = function() { |
|
var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate; |
|
projection.center = function(_) { |
|
return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]); |
|
}; |
|
projection.rotate = function(_) { |
|
return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), |
|
[ _[0], _[1], _[2] - 90 ]); |
|
}; |
|
return rotate([ 0, 0, 90 ]); |
|
}).raw = d3_geo_transverseMercator; |
|
d3.geom = {}; |
|
function d3_geom_pointX(d) { |
|
return d[0]; |
|
} |
|
function d3_geom_pointY(d) { |
|
return d[1]; |
|
} |
|
d3.geom.hull = function(vertices) { |
|
var x = d3_geom_pointX, y = d3_geom_pointY; |
|
if (arguments.length) return hull(vertices); |
|
function hull(data) { |
|
if (data.length < 3) return []; |
|
var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = []; |
|
for (i = 0; i < n; i++) { |
|
points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]); |
|
} |
|
points.sort(d3_geom_hullOrder); |
|
for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]); |
|
var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints); |
|
var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = []; |
|
for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]); |
|
for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]); |
|
return polygon; |
|
} |
|
hull.x = function(_) { |
|
return arguments.length ? (x = _, hull) : x; |
|
}; |
|
hull.y = function(_) { |
|
return arguments.length ? (y = _, hull) : y; |
|
}; |
|
return hull; |
|
}; |
|
function d3_geom_hullUpper(points) { |
|
var n = points.length, hull = [ 0, 1 ], hs = 2; |
|
for (var i = 2; i < n; i++) { |
|
while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs; |
|
hull[hs++] = i; |
|
} |
|
return hull.slice(0, hs); |
|
} |
|
function d3_geom_hullOrder(a, b) { |
|
return a[0] - b[0] || a[1] - b[1]; |
|
} |
|
d3.geom.polygon = function(coordinates) { |
|
d3_subclass(coordinates, d3_geom_polygonPrototype); |
|
return coordinates; |
|
}; |
|
var d3_geom_polygonPrototype = d3.geom.polygon.prototype = []; |
|
d3_geom_polygonPrototype.area = function() { |
|
var i = -1, n = this.length, a, b = this[n - 1], area = 0; |
|
while (++i < n) { |
|
a = b; |
|
b = this[i]; |
|
area += a[1] * b[0] - a[0] * b[1]; |
|
} |
|
return area * .5; |
|
}; |
|
d3_geom_polygonPrototype.centroid = function(k) { |
|
var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c; |
|
if (!arguments.length) k = -1 / (6 * this.area()); |
|
while (++i < n) { |
|
a = b; |
|
b = this[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 ]; |
|
}; |
|
d3_geom_polygonPrototype.clip = function(subject) { |
|
var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d; |
|
while (++i < n) { |
|
input = subject.slice(); |
|
subject.length = 0; |
|
b = this[i]; |
|
c = input[(m = input.length - closed) - 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; |
|
} |
|
if (closed) subject.push(subject[0]); |
|
a = b; |
|
} |
|
return subject; |
|
}; |
|
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 ]; |
|
} |
|
function d3_geom_polygonClosed(coordinates) { |
|
var a = coordinates[0], b = coordinates[coordinates.length - 1]; |
|
return !(a[0] - b[0] || a[1] - b[1]); |
|
} |
|
var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = []; |
|
function d3_geom_voronoiBeach() { |
|
d3_geom_voronoiRedBlackNode(this); |
|
this.edge = this.site = this.circle = null; |
|
} |
|
function d3_geom_voronoiCreateBeach(site) { |
|
var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach(); |
|
beach.site = site; |
|
return beach; |
|
} |
|
function d3_geom_voronoiDetachBeach(beach) { |
|
d3_geom_voronoiDetachCircle(beach); |
|
d3_geom_voronoiBeaches.remove(beach); |
|
d3_geom_voronoiBeachPool.push(beach); |
|
d3_geom_voronoiRedBlackNode(beach); |
|
} |
|
function d3_geom_voronoiRemoveBeach(beach) { |
|
var circle = beach.circle, x = circle.x, y = circle.cy, vertex = { |
|
x: x, |
|
y: y |
|
}, previous = beach.P, next = beach.N, disappearing = [ beach ]; |
|
d3_geom_voronoiDetachBeach(beach); |
|
var lArc = previous; |
|
while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) { |
|
previous = lArc.P; |
|
disappearing.unshift(lArc); |
|
d3_geom_voronoiDetachBeach(lArc); |
|
lArc = previous; |
|
} |
|
disappearing.unshift(lArc); |
|
d3_geom_voronoiDetachCircle(lArc); |
|
var rArc = next; |
|
while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) { |
|
next = rArc.N; |
|
disappearing.push(rArc); |
|
d3_geom_voronoiDetachBeach(rArc); |
|
rArc = next; |
|
} |
|
disappearing.push(rArc); |
|
d3_geom_voronoiDetachCircle(rArc); |
|
var nArcs = disappearing.length, iArc; |
|
for (iArc = 1; iArc < nArcs; ++iArc) { |
|
rArc = disappearing[iArc]; |
|
lArc = disappearing[iArc - 1]; |
|
d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); |
|
} |
|
lArc = disappearing[0]; |
|
rArc = disappearing[nArcs - 1]; |
|
rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex); |
|
d3_geom_voronoiAttachCircle(lArc); |
|
d3_geom_voronoiAttachCircle(rArc); |
|
} |
|
function d3_geom_voronoiAddBeach(site) { |
|
var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._; |
|
while (node) { |
|
dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x; |
|
if (dxl > ε) node = node.L; else { |
|
dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix); |
|
if (dxr > ε) { |
|
if (!node.R) { |
|
lArc = node; |
|
break; |
|
} |
|
node = node.R; |
|
} else { |
|
if (dxl > -ε) { |
|
lArc = node.P; |
|
rArc = node; |
|
} else if (dxr > -ε) { |
|
lArc = node; |
|
rArc = node.N; |
|
} else { |
|
lArc = rArc = node; |
|
} |
|
break; |
|
} |
|
} |
|
} |
|
var newArc = d3_geom_voronoiCreateBeach(site); |
|
d3_geom_voronoiBeaches.insert(lArc, newArc); |
|
if (!lArc && !rArc) return; |
|
if (lArc === rArc) { |
|
d3_geom_voronoiDetachCircle(lArc); |
|
rArc = d3_geom_voronoiCreateBeach(lArc.site); |
|
d3_geom_voronoiBeaches.insert(newArc, rArc); |
|
newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); |
|
d3_geom_voronoiAttachCircle(lArc); |
|
d3_geom_voronoiAttachCircle(rArc); |
|
return; |
|
} |
|
if (!rArc) { |
|
newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site); |
|
return; |
|
} |
|
d3_geom_voronoiDetachCircle(lArc); |
|
d3_geom_voronoiDetachCircle(rArc); |
|
var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = { |
|
x: (cy * hb - by * hc) / d + ax, |
|
y: (bx * hc - cx * hb) / d + ay |
|
}; |
|
d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex); |
|
newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex); |
|
rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex); |
|
d3_geom_voronoiAttachCircle(lArc); |
|
d3_geom_voronoiAttachCircle(rArc); |
|
} |
|
function d3_geom_voronoiLeftBreakPoint(arc, directrix) { |
|
var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix; |
|
if (!pby2) return rfocx; |
|
var lArc = arc.P; |
|
if (!lArc) return -Infinity; |
|
site = lArc.site; |
|
var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix; |
|
if (!plby2) return lfocx; |
|
var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2; |
|
if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; |
|
return (rfocx + lfocx) / 2; |
|
} |
|
function d3_geom_voronoiRightBreakPoint(arc, directrix) { |
|
var rArc = arc.N; |
|
if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix); |
|
var site = arc.site; |
|
return site.y === directrix ? site.x : Infinity; |
|
} |
|
function d3_geom_voronoiCell(site) { |
|
this.site = site; |
|
this.edges = []; |
|
} |
|
d3_geom_voronoiCell.prototype.prepare = function() { |
|
var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge; |
|
while (iHalfEdge--) { |
|
edge = halfEdges[iHalfEdge].edge; |
|
if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1); |
|
} |
|
halfEdges.sort(d3_geom_voronoiHalfEdgeOrder); |
|
return halfEdges.length; |
|
}; |
|
function d3_geom_voronoiCloseCells(extent) { |
|
var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end; |
|
while (iCell--) { |
|
cell = cells[iCell]; |
|
if (!cell || !cell.prepare()) continue; |
|
halfEdges = cell.edges; |
|
nHalfEdges = halfEdges.length; |
|
iHalfEdge = 0; |
|
while (iHalfEdge < nHalfEdges) { |
|
end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y; |
|
start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y; |
|
if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) { |
|
halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? { |
|
x: x0, |
|
y: abs(x2 - x0) < ε ? y2 : y1 |
|
} : abs(y3 - y1) < ε && x1 - x3 > ε ? { |
|
x: abs(y2 - y1) < ε ? x2 : x1, |
|
y: y1 |
|
} : abs(x3 - x1) < ε && y3 - y0 > ε ? { |
|
x: x1, |
|
y: abs(x2 - x1) < ε ? y2 : y0 |
|
} : abs(y3 - y0) < ε && x3 - x0 > ε ? { |
|
x: abs(y2 - y0) < ε ? x2 : x0, |
|
y: y0 |
|
} : null), cell.site, null)); |
|
++nHalfEdges; |
|
} |
|
} |
|
} |
|
} |
|
function d3_geom_voronoiHalfEdgeOrder(a, b) { |
|
return b.angle - a.angle; |
|
} |
|
function d3_geom_voronoiCircle() { |
|
d3_geom_voronoiRedBlackNode(this); |
|
this.x = this.y = this.arc = this.site = this.cy = null; |
|
} |
|
function d3_geom_voronoiAttachCircle(arc) { |
|
var lArc = arc.P, rArc = arc.N; |
|
if (!lArc || !rArc) return; |
|
var lSite = lArc.site, cSite = arc.site, rSite = rArc.site; |
|
if (lSite === rSite) return; |
|
var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by; |
|
var d = 2 * (ax * cy - ay * cx); |
|
if (d >= -ε2) return; |
|
var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by; |
|
var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle(); |
|
circle.arc = arc; |
|
circle.site = cSite; |
|
circle.x = x + bx; |
|
circle.y = cy + Math.sqrt(x * x + y * y); |
|
circle.cy = cy; |
|
arc.circle = circle; |
|
var before = null, node = d3_geom_voronoiCircles._; |
|
while (node) { |
|
if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) { |
|
if (node.L) node = node.L; else { |
|
before = node.P; |
|
break; |
|
} |
|
} else { |
|
if (node.R) node = node.R; else { |
|
before = node; |
|
break; |
|
} |
|
} |
|
} |
|
d3_geom_voronoiCircles.insert(before, circle); |
|
if (!before) d3_geom_voronoiFirstCircle = circle; |
|
} |
|
function d3_geom_voronoiDetachCircle(arc) { |
|
var circle = arc.circle; |
|
if (circle) { |
|
if (!circle.P) d3_geom_voronoiFirstCircle = circle.N; |
|
d3_geom_voronoiCircles.remove(circle); |
|
d3_geom_voronoiCirclePool.push(circle); |
|
d3_geom_voronoiRedBlackNode(circle); |
|
arc.circle = null; |
|
} |
|
} |
|
function d3_geom_voronoiClipEdges(extent) { |
|
var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e; |
|
while (i--) { |
|
e = edges[i]; |
|
if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) { |
|
e.a = e.b = null; |
|
edges.splice(i, 1); |
|
} |
|
} |
|
} |
|
function d3_geom_voronoiConnectEdge(edge, extent) { |
|
var vb = edge.b; |
|
if (vb) return true; |
|
var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb; |
|
if (ry === ly) { |
|
if (fx < x0 || fx >= x1) return; |
|
if (lx > rx) { |
|
if (!va) va = { |
|
x: fx, |
|
y: y0 |
|
}; else if (va.y >= y1) return; |
|
vb = { |
|
x: fx, |
|
y: y1 |
|
}; |
|
} else { |
|
if (!va) va = { |
|
x: fx, |
|
y: y1 |
|
}; else if (va.y < y0) return; |
|
vb = { |
|
x: fx, |
|
y: y0 |
|
}; |
|
} |
|
} else { |
|
fm = (lx - rx) / (ry - ly); |
|
fb = fy - fm * fx; |
|
if (fm < -1 || fm > 1) { |
|
if (lx > rx) { |
|
if (!va) va = { |
|
x: (y0 - fb) / fm, |
|
y: y0 |
|
}; else if (va.y >= y1) return; |
|
vb = { |
|
x: (y1 - fb) / fm, |
|
y: y1 |
|
}; |
|
} else { |
|
if (!va) va = { |
|
x: (y1 - fb) / fm, |
|
y: y1 |
|
}; else if (va.y < y0) return; |
|
vb = { |
|
x: (y0 - fb) / fm, |
|
y: y0 |
|
}; |
|
} |
|
} else { |
|
if (ly < ry) { |
|
if (!va) va = { |
|
x: x0, |
|
y: fm * x0 + fb |
|
}; else if (va.x >= x1) return; |
|
vb = { |
|
x: x1, |
|
y: fm * x1 + fb |
|
}; |
|
} else { |
|
if (!va) va = { |
|
x: x1, |
|
y: fm * x1 + fb |
|
}; else if (va.x < x0) return; |
|
vb = { |
|
x: x0, |
|
y: fm * x0 + fb |
|
}; |
|
} |
|
} |
|
} |
|
edge.a = va; |
|
edge.b = vb; |
|
return true; |
|
} |
|
function d3_geom_voronoiEdge(lSite, rSite) { |
|
this.l = lSite; |
|
this.r = rSite; |
|
this.a = this.b = null; |
|
} |
|
function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) { |
|
var edge = new d3_geom_voronoiEdge(lSite, rSite); |
|
d3_geom_voronoiEdges.push(edge); |
|
if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va); |
|
if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb); |
|
d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite)); |
|
d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite)); |
|
return edge; |
|
} |
|
function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) { |
|
var edge = new d3_geom_voronoiEdge(lSite, null); |
|
edge.a = va; |
|
edge.b = vb; |
|
d3_geom_voronoiEdges.push(edge); |
|
return edge; |
|
} |
|
function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) { |
|
if (!edge.a && !edge.b) { |
|
edge.a = vertex; |
|
edge.l = lSite; |
|
edge.r = rSite; |
|
} else if (edge.l === rSite) { |
|
edge.b = vertex; |
|
} else { |
|
edge.a = vertex; |
|
} |
|
} |
|
function d3_geom_voronoiHalfEdge(edge, lSite, rSite) { |
|
var va = edge.a, vb = edge.b; |
|
this.edge = edge; |
|
this.site = lSite; |
|
this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y); |
|
} |
|
d3_geom_voronoiHalfEdge.prototype = { |
|
start: function() { |
|
return this.edge.l === this.site ? this.edge.a : this.edge.b; |
|
}, |
|
end: function() { |
|
return this.edge.l === this.site ? this.edge.b : this.edge.a; |
|
} |
|
}; |
|
function d3_geom_voronoiRedBlackTree() { |
|
this._ = null; |
|
} |
|
function d3_geom_voronoiRedBlackNode(node) { |
|
node.U = node.C = node.L = node.R = node.P = node.N = null; |
|
} |
|
d3_geom_voronoiRedBlackTree.prototype = { |
|
insert: function(after, node) { |
|
var parent, grandpa, uncle; |
|
if (after) { |
|
node.P = after; |
|
node.N = after.N; |
|
if (after.N) after.N.P = node; |
|
after.N = node; |
|
if (after.R) { |
|
after = after.R; |
|
while (after.L) after = after.L; |
|
after.L = node; |
|
} else { |
|
after.R = node; |
|
} |
|
parent = after; |
|
} else if (this._) { |
|
after = d3_geom_voronoiRedBlackFirst(this._); |
|
node.P = null; |
|
node.N = after; |
|
after.P = after.L = node; |
|
parent = after; |
|
} else { |
|
node.P = node.N = null; |
|
this._ = node; |
|
parent = null; |
|
} |
|
node.L = node.R = null; |
|
node.U = parent; |
|
node.C = true; |
|
after = node; |
|
while (parent && parent.C) { |
|
grandpa = parent.U; |
|
if (parent === grandpa.L) { |
|
uncle = grandpa.R; |
|
if (uncle && uncle.C) { |
|
parent.C = uncle.C = false; |
|
grandpa.C = true; |
|
after = grandpa; |
|
} else { |
|
if (after === parent.R) { |
|
d3_geom_voronoiRedBlackRotateLeft(this, parent); |
|
after = parent; |
|
parent = after.U; |
|
} |
|
parent.C = false; |
|
grandpa.C = true; |
|
d3_geom_voronoiRedBlackRotateRight(this, grandpa); |
|
} |
|
} else { |
|
uncle = grandpa.L; |
|
if (uncle && uncle.C) { |
|
parent.C = uncle.C = false; |
|
grandpa.C = true; |
|
after = grandpa; |
|
} else { |
|
if (after === parent.L) { |
|
d3_geom_voronoiRedBlackRotateRight(this, parent); |
|
after = parent; |
|
parent = after.U; |
|
} |
|
parent.C = false; |
|
grandpa.C = true; |
|
d3_geom_voronoiRedBlackRotateLeft(this, grandpa); |
|
} |
|
} |
|
parent = after.U; |
|
} |
|
this._.C = false; |
|
}, |
|
remove: function(node) { |
|
if (node.N) node.N.P = node.P; |
|
if (node.P) node.P.N = node.N; |
|
node.N = node.P = null; |
|
var parent = node.U, sibling, left = node.L, right = node.R, next, red; |
|
if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right); |
|
if (parent) { |
|
if (parent.L === node) parent.L = next; else parent.R = next; |
|
} else { |
|
this._ = next; |
|
} |
|
if (left && right) { |
|
red = next.C; |
|
next.C = node.C; |
|
next.L = left; |
|
left.U = next; |
|
if (next !== right) { |
|
parent = next.U; |
|
next.U = node.U; |
|
node = next.R; |
|
parent.L = node; |
|
next.R = right; |
|
right.U = next; |
|
} else { |
|
next.U = parent; |
|
parent = next; |
|
node = next.R; |
|
} |
|
} else { |
|
red = node.C; |
|
node = next; |
|
} |
|
if (node) node.U = parent; |
|
if (red) return; |
|
if (node && node.C) { |
|
node.C = false; |
|
return; |
|
} |
|
do { |
|
if (node === this._) break; |
|
if (node === parent.L) { |
|
sibling = parent.R; |
|
if (sibling.C) { |
|
sibling.C = false; |
|
parent.C = true; |
|
d3_geom_voronoiRedBlackRotateLeft(this, parent); |
|
sibling = parent.R; |
|
} |
|
if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { |
|
if (!sibling.R || !sibling.R.C) { |
|
sibling.L.C = false; |
|
sibling.C = true; |
|
d3_geom_voronoiRedBlackRotateRight(this, sibling); |
|
sibling = parent.R; |
|
} |
|
sibling.C = parent.C; |
|
parent.C = sibling.R.C = false; |
|
d3_geom_voronoiRedBlackRotateLeft(this, parent); |
|
node = this._; |
|
break; |
|
} |
|
} else { |
|
sibling = parent.L; |
|
if (sibling.C) { |
|
sibling.C = false; |
|
parent.C = true; |
|
d3_geom_voronoiRedBlackRotateRight(this, parent); |
|
sibling = parent.L; |
|
} |
|
if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) { |
|
if (!sibling.L || !sibling.L.C) { |
|
sibling.R.C = false; |
|
sibling.C = true; |
|
d3_geom_voronoiRedBlackRotateLeft(this, sibling); |
|
sibling = parent.L; |
|
} |
|
sibling.C = parent.C; |
|
parent.C = sibling.L.C = false; |
|
d3_geom_voronoiRedBlackRotateRight(this, parent); |
|
node = this._; |
|
break; |
|
} |
|
} |
|
sibling.C = true; |
|
node = parent; |
|
parent = parent.U; |
|
} while (!node.C); |
|
if (node) node.C = false; |
|
} |
|
}; |
|
function d3_geom_voronoiRedBlackRotateLeft(tree, node) { |
|
var p = node, q = node.R, parent = p.U; |
|
if (parent) { |
|
if (parent.L === p) parent.L = q; else parent.R = q; |
|
} else { |
|
tree._ = q; |
|
} |
|
q.U = parent; |
|
p.U = q; |
|
p.R = q.L; |
|
if (p.R) p.R.U = p; |
|
q.L = p; |
|
} |
|
function d3_geom_voronoiRedBlackRotateRight(tree, node) { |
|
var p = node, q = node.L, parent = p.U; |
|
if (parent) { |
|
if (parent.L === p) parent.L = q; else parent.R = q; |
|
} else { |
|
tree._ = q; |
|
} |
|
q.U = parent; |
|
p.U = q; |
|
p.L = q.R; |
|
if (p.L) p.L.U = p; |
|
q.R = p; |
|
} |
|
function d3_geom_voronoiRedBlackFirst(node) { |
|
while (node.L) node = node.L; |
|
return node; |
|
} |
|
function d3_geom_voronoi(sites, bbox) { |
|
var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle; |
|
d3_geom_voronoiEdges = []; |
|
d3_geom_voronoiCells = new Array(sites.length); |
|
d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree(); |
|
d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree(); |
|
while (true) { |
|
circle = d3_geom_voronoiFirstCircle; |
|
if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) { |
|
if (site.x !== x0 || site.y !== y0) { |
|
d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site); |
|
d3_geom_voronoiAddBeach(site); |
|
x0 = site.x, y0 = site.y; |
|
} |
|
site = sites.pop(); |
|
} else if (circle) { |
|
d3_geom_voronoiRemoveBeach(circle.arc); |
|
} else { |
|
break; |
|
} |
|
} |
|
if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox); |
|
var diagram = { |
|
cells: d3_geom_voronoiCells, |
|
edges: d3_geom_voronoiEdges |
|
}; |
|
d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null; |
|
return diagram; |
|
} |
|
function d3_geom_voronoiVertexOrder(a, b) { |
|
return b.y - a.y || b.x - a.x; |
|
} |
|
d3.geom.voronoi = function(points) { |
|
var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent; |
|
if (points) return voronoi(points); |
|
function voronoi(data) { |
|
var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1]; |
|
d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) { |
|
var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) { |
|
var s = e.start(); |
|
return [ s.x, s.y ]; |
|
}) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : []; |
|
polygon.point = data[i]; |
|
}); |
|
return polygons; |
|
} |
|
function sites(data) { |
|
return data.map(function(d, i) { |
|
return { |
|
x: Math.round(fx(d, i) / ε) * ε, |
|
y: Math.round(fy(d, i) / ε) * ε, |
|
i: i |
|
}; |
|
}); |
|
} |
|
voronoi.links = function(data) { |
|
return d3_geom_voronoi(sites(data)).edges.filter(function(edge) { |
|
return edge.l && edge.r; |
|
}).map(function(edge) { |
|
return { |
|
source: data[edge.l.i], |
|
target: data[edge.r.i] |
|
}; |
|
}); |
|
}; |
|
voronoi.triangles = function(data) { |
|
var triangles = []; |
|
d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) { |
|
var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l; |
|
while (++j < m) { |
|
e0 = e1; |
|
s0 = s1; |
|
e1 = edges[j].edge; |
|
s1 = e1.l === site ? e1.r : e1.l; |
|
if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) { |
|
triangles.push([ data[i], data[s0.i], data[s1.i] ]); |
|
} |
|
} |
|
}); |
|
return triangles; |
|
}; |
|
voronoi.x = function(_) { |
|
return arguments.length ? (fx = d3_functor(x = _), voronoi) : x; |
|
}; |
|
voronoi.y = function(_) { |
|
return arguments.length ? (fy = d3_functor(y = _), voronoi) : y; |
|
}; |
|
voronoi.clipExtent = function(_) { |
|
if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent; |
|
clipExtent = _ == null ? d3_geom_voronoiClipExtent : _; |
|
return voronoi; |
|
}; |
|
voronoi.size = function(_) { |
|
if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1]; |
|
return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]); |
|
}; |
|
return voronoi; |
|
}; |
|
var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ]; |
|
function d3_geom_voronoiTriangleArea(a, b, c) { |
|
return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y); |
|
} |
|
d3.geom.delaunay = function(vertices) { |
|
return d3.geom.voronoi().triangles(vertices); |
|
}; |
|
d3.geom.quadtree = function(points, x1, y1, x2, y2) { |
|
var x = d3_geom_pointX, y = d3_geom_pointY, 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 (abs(nx - x) + 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 xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right; |
|
n.leaf = false; |
|
n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode()); |
|
if (right) x1 = xm; else x2 = xm; |
|
if (below) y1 = ym; else y2 = ym; |
|
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_); |
|
}; |
|
root.find = function(point) { |
|
return d3_geom_quadtreeFind(root, point[0], point[1], 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.extent = function(_) { |
|
if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ]; |
|
if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], |
|
y2 = +_[1][1]; |
|
return quadtree; |
|
}; |
|
quadtree.size = function(_) { |
|
if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ]; |
|
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); |
|
} |
|
} |
|
function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) { |
|
var minDistance2 = Infinity, closestPoint; |
|
(function find(node, x1, y1, x2, y2) { |
|
if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return; |
|
if (point = node.point) { |
|
var point, dx = x - point[0], dy = y - point[1], distance2 = dx * dx + dy * dy; |
|
if (distance2 < minDistance2) { |
|
var distance = Math.sqrt(minDistance2 = distance2); |
|
x0 = x - distance, y0 = y - distance; |
|
x3 = x + distance, y3 = y + distance; |
|
closestPoint = point; |
|
} |
|
} |
|
var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym; |
|
for (var i = below << 1 | right, j = i + 4; i < j; ++i) { |
|
if (node = children[i & 3]) switch (i & 3) { |
|
case 0: |
|
find(node, x1, y1, xm, ym); |
|
break; |
|
|
|
case 1: |
|
find(node, xm, y1, x2, ym); |
|
break; |
|
|
|
case 2: |
|
find(node, x1, ym, xm, y2); |
|
break; |
|
|
|
case 3: |
|
find(node, xm, ym, x2, y2); |
|
break; |
|
} |
|
} |
|
})(root, x0, y0, x3, y3); |
|
return closestPoint; |
|
} |
|
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.interpolateObject = d3_interpolateObject; |
|
function d3_interpolateObject(a, b) { |
|
var i = {}, c = {}, k; |
|
for (k in a) { |
|
if (k in b) { |
|
i[k] = d3_interpolate(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.interpolateNumber = d3_interpolateNumber; |
|
function d3_interpolateNumber(a, b) { |
|
a = +a, b = +b; |
|
return function(t) { |
|
return a * (1 - t) + b * t; |
|
}; |
|
} |
|
d3.interpolateString = d3_interpolateString; |
|
function d3_interpolateString(a, b) { |
|
var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = []; |
|
a = a + "", b = b + ""; |
|
while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) { |
|
if ((bs = bm.index) > bi) { |
|
bs = b.slice(bi, bs); |
|
if (s[i]) s[i] += bs; else s[++i] = bs; |
|
} |
|
if ((am = am[0]) === (bm = bm[0])) { |
|
if (s[i]) s[i] += bm; else s[++i] = bm; |
|
} else { |
|
s[++i] = null; |
|
q.push({ |
|
i: i, |
|
x: d3_interpolateNumber(am, bm) |
|
}); |
|
} |
|
bi = d3_interpolate_numberB.lastIndex; |
|
} |
|
if (bi < b.length) { |
|
bs = b.slice(bi); |
|
if (s[i]) s[i] += bs; else s[++i] = bs; |
|
} |
|
return s.length < 2 ? q[0] ? (b = q[0].x, function(t) { |
|
return b(t) + ""; |
|
}) : function() { |
|
return b; |
|
} : (b = q.length, function(t) { |
|
for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); |
|
return s.join(""); |
|
}); |
|
} |
|
var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "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; |
|
} |
|
d3.interpolators = [ function(a, b) { |
|
var t = typeof b; |
|
return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b); |
|
} ]; |
|
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.slice(0, i) : name, m = i >= 0 ? name.slice(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, d3_arraySlice.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 * halfπ); |
|
} |
|
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 / τ * 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) * τ / 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 (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac; |
|
if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else 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 ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al; |
|
if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as; |
|
if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360; |
|
return function(t) { |
|
return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * 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); |
|
}; |
|
} |
|
d3.transform = function(string) { |
|
var g = d3_document.createElementNS(d3.ns.prefix.svg, "g"); |
|
return (d3.transform = function(string) { |
|
if (string != null) { |
|
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.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(""); |
|
}; |
|
} |
|
function d3_uninterpolateNumber(a, b) { |
|
b = (b -= a = +a) || 1 / b; |
|
return function(x) { |
|
return (x - a) / b; |
|
}; |
|
} |
|
function d3_uninterpolateClamp(a, b) { |
|
b = (b -= a = +a) || 1 / b; |
|
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 = (τ - 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, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, 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, dw = x2 - x1, dn = dx * dx + dy * dy; |
|
if (dw * dw / theta2 < dn) { |
|
if (dn < chargeDistance2) { |
|
var k = quad.charge / dn; |
|
node.px -= dx * k; |
|
node.py -= dy * k; |
|
} |
|
return true; |
|
} |
|
if (quad.point && dn && dn < chargeDistance2) { |
|
var k = quad.pointCharge / 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.chargeDistance = function(x) { |
|
if (!arguments.length) return Math.sqrt(chargeDistance2); |
|
chargeDistance2 = 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 Math.sqrt(theta2); |
|
theta2 = x * 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, 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) { |
|
if (!neighbors) { |
|
neighbors = new Array(n); |
|
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); |
|
} |
|
} |
|
var candidates = neighbors[i], j = -1, m = candidates.length, x; |
|
while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x; |
|
return Math.random() * size; |
|
} |
|
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_forceChargeDistance2 = Infinity; |
|
d3.layout.hierarchy = function() { |
|
var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue; |
|
function hierarchy(root) { |
|
var stack = [ root ], nodes = [], node; |
|
root.depth = 0; |
|
while ((node = stack.pop()) != null) { |
|
nodes.push(node); |
|
if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) { |
|
var n, childs, child; |
|
while (--n >= 0) { |
|
stack.push(child = childs[n]); |
|
child.parent = node; |
|
child.depth = node.depth + 1; |
|
} |
|
if (value) node.value = 0; |
|
node.children = childs; |
|
} else { |
|
if (value) node.value = +value.call(hierarchy, node, node.depth) || 0; |
|
delete node.children; |
|
} |
|
} |
|
d3_layout_hierarchyVisitAfter(root, function(node) { |
|
var childs, parent; |
|
if (sort && (childs = node.children)) childs.sort(sort); |
|
if (value && (parent = node.parent)) parent.value += node.value; |
|
}); |
|
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) { |
|
if (value) { |
|
d3_layout_hierarchyVisitBefore(root, function(node) { |
|
if (node.children) node.value = 0; |
|
}); |
|
d3_layout_hierarchyVisitAfter(root, function(node) { |
|
var parent; |
|
if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0; |
|
if (parent = node.parent) parent.value += node.value; |
|
}); |
|
} |
|
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_hierarchyVisitBefore(node, callback) { |
|
var nodes = [ node ]; |
|
while ((node = nodes.pop()) != null) { |
|
callback(node); |
|
if ((children = node.children) && (n = children.length)) { |
|
var n, children; |
|
while (--n >= 0) nodes.push(children[n]); |
|
} |
|
} |
|
} |
|
function d3_layout_hierarchyVisitAfter(node, callback) { |
|
var nodes = [ node ], nodes2 = []; |
|
while ((node = nodes.pop()) != null) { |
|
nodes2.push(node); |
|
if ((children = node.children) && (n = children.length)) { |
|
var i = -1, n, children; |
|
while (++i < n) nodes.push(children[i]); |
|
} |
|
} |
|
while ((node = nodes2.pop()) != null) { |
|
callback(node); |
|
} |
|
} |
|
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 = τ, padAngle = 0; |
|
function pie(data) { |
|
var n = data.length, values = data.map(function(d, i) { |
|
return +value.call(pie, d, i); |
|
}), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v; |
|
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]); |
|
}); |
|
index.forEach(function(i) { |
|
arcs[i] = { |
|
data: data[i], |
|
value: v = values[i], |
|
startAngle: a, |
|
endAngle: a += v * k + pa, |
|
padAngle: p |
|
}; |
|
}); |
|
return arcs; |
|
} |
|
pie.value = function(_) { |
|
if (!arguments.length) return value; |
|
value = _; |
|
return pie; |
|
}; |
|
pie.sort = function(_) { |
|
if (!arguments.length) return sort; |
|
sort = _; |
|
return pie; |
|
}; |
|
pie.startAngle = function(_) { |
|
if (!arguments.length) return startAngle; |
|
startAngle = _; |
|
return pie; |
|
}; |
|
pie.endAngle = function(_) { |
|
if (!arguments.length) return endAngle; |
|
endAngle = _; |
|
return pie; |
|
}; |
|
pie.padAngle = function(_) { |
|
if (!arguments.length) return padAngle; |
|
padAngle = _; |
|
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) { |
|
if (!(n = data.length)) return data; |
|
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 m = series[0].length, n, 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.pack = function() { |
|
var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius; |
|
function pack(d, i) { |
|
var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() { |
|
return radius; |
|
}; |
|
root.x = root.y = 0; |
|
d3_layout_hierarchyVisitAfter(root, function(d) { |
|
d.r = +r(d.value); |
|
}); |
|
d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); |
|
if (padding) { |
|
var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2; |
|
d3_layout_hierarchyVisitAfter(root, function(d) { |
|
d.r += dr; |
|
}); |
|
d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings); |
|
d3_layout_hierarchyVisitAfter(root, function(d) { |
|
d.r -= dr; |
|
}); |
|
} |
|
d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h)); |
|
return nodes; |
|
} |
|
pack.size = function(_) { |
|
if (!arguments.length) return size; |
|
size = _; |
|
return pack; |
|
}; |
|
pack.radius = function(_) { |
|
if (!arguments.length) return radius; |
|
radius = _ == null || typeof _ === "function" ? _ : +_; |
|
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 .999 * dr * dr > dx * dx + dy * dy; |
|
} |
|
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.tree = function() { |
|
var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null; |
|
function tree(d, i) { |
|
var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0); |
|
d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z; |
|
d3_layout_hierarchyVisitBefore(root1, secondWalk); |
|
if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else { |
|
var left = root0, right = root0, bottom = root0; |
|
d3_layout_hierarchyVisitBefore(root0, function(node) { |
|
if (node.x < left.x) left = node; |
|
if (node.x > right.x) right = node; |
|
if (node.depth > bottom.depth) bottom = node; |
|
}); |
|
var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1); |
|
d3_layout_hierarchyVisitBefore(root0, function(node) { |
|
node.x = (node.x + tx) * kx; |
|
node.y = node.depth * ky; |
|
}); |
|
} |
|
return nodes; |
|
} |
|
function wrapTree(root0) { |
|
var root1 = { |
|
A: null, |
|
children: [ root0 ] |
|
}, queue = [ root1 ], node1; |
|
while ((node1 = queue.pop()) != null) { |
|
for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) { |
|
queue.push((children[i] = child = { |
|
_: children[i], |
|
parent: node1, |
|
children: (child = children[i].children) && child.slice() || [], |
|
A: null, |
|
a: null, |
|
z: 0, |
|
m: 0, |
|
c: 0, |
|
s: 0, |
|
t: null, |
|
i: i |
|
}).a = child); |
|
} |
|
} |
|
return root1.children[0]; |
|
} |
|
function firstWalk(v) { |
|
var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null; |
|
if (children.length) { |
|
d3_layout_treeShift(v); |
|
var midpoint = (children[0].z + children[children.length - 1].z) / 2; |
|
if (w) { |
|
v.z = w.z + separation(v._, w._); |
|
v.m = v.z - midpoint; |
|
} else { |
|
v.z = midpoint; |
|
} |
|
} else if (w) { |
|
v.z = w.z + separation(v._, w._); |
|
} |
|
v.parent.A = apportion(v, w, v.parent.A || siblings[0]); |
|
} |
|
function secondWalk(v) { |
|
v._.x = v.z + v.parent.m; |
|
v.m += v.parent.m; |
|
} |
|
function apportion(v, w, ancestor) { |
|
if (w) { |
|
var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, 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.a = v; |
|
shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); |
|
if (shift > 0) { |
|
d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift); |
|
sip += shift; |
|
sop += shift; |
|
} |
|
sim += vim.m; |
|
sip += vip.m; |
|
som += vom.m; |
|
sop += vop.m; |
|
} |
|
if (vim && !d3_layout_treeRight(vop)) { |
|
vop.t = vim; |
|
vop.m += sim - sop; |
|
} |
|
if (vip && !d3_layout_treeLeft(vom)) { |
|
vom.t = vip; |
|
vom.m += sip - som; |
|
ancestor = v; |
|
} |
|
} |
|
return ancestor; |
|
} |
|
function sizeNode(node) { |
|
node.x *= size[0]; |
|
node.y = node.depth * size[1]; |
|
} |
|
tree.separation = function(x) { |
|
if (!arguments.length) return separation; |
|
separation = x; |
|
return tree; |
|
}; |
|
tree.size = function(x) { |
|
if (!arguments.length) return nodeSize ? null : size; |
|
nodeSize = (size = x) == null ? sizeNode : null; |
|
return tree; |
|
}; |
|
tree.nodeSize = function(x) { |
|
if (!arguments.length) return nodeSize ? size : null; |
|
nodeSize = (size = x) == null ? null : sizeNode; |
|
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(v) { |
|
var children = v.children; |
|
return children.length ? children[0] : v.t; |
|
} |
|
function d3_layout_treeRight(v) { |
|
var children = v.children, n; |
|
return (n = children.length) ? children[n - 1] : v.t; |
|
} |
|
function d3_layout_treeMove(wm, wp, shift) { |
|
var change = shift / (wp.i - wm.i); |
|
wp.c -= change; |
|
wp.s += shift; |
|
wm.c += change; |
|
wp.z += shift; |
|
wp.m += shift; |
|
} |
|
function d3_layout_treeShift(v) { |
|
var shift = 0, change = 0, children = v.children, i = children.length, w; |
|
while (--i >= 0) { |
|
w = children[i]; |
|
w.z += shift; |
|
w.m += shift; |
|
shift += w.s + (change += w.c); |
|
} |
|
} |
|
function d3_layout_treeAncestor(vim, v, ancestor) { |
|
return vim.a.parent === v.parent ? vim.a : ancestor; |
|
} |
|
d3.layout.cluster = function() { |
|
var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false; |
|
function cluster(d, i) { |
|
var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0; |
|
d3_layout_hierarchyVisitAfter(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_hierarchyVisitAfter(root, nodeSize ? function(node) { |
|
node.x = (node.x - root.x) * size[0]; |
|
node.y = (root.y - node.y) * size[1]; |
|
} : 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 nodeSize ? null : size; |
|
nodeSize = (size = x) == null; |
|
return cluster; |
|
}; |
|
cluster.nodeSize = function(x) { |
|
if (!arguments.length) return nodeSize ? size : null; |
|
nodeSize = (size = x) != null; |
|
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()); |
|
}; |
|
}, |
|
bates: function(m) { |
|
var random = d3.random.irwinHall(m); |
|
return function() { |
|
return random() / m; |
|
}; |
|
}, |
|
irwinHall: function(m) { |
|
return function() { |
|
for (var s = 0, j = 0; j < m; j++) s += Math.random(); |
|
return s; |
|
}; |
|
} |
|
}; |
|
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; |
|
} |
|
domain[i0] = nice.floor(x0); |
|
domain[i1] = nice.ceil(x1); |
|
return domain; |
|
} |
|
function d3_scale_niceStep(step) { |
|
return step ? { |
|
floor: function(x) { |
|
return Math.floor(x / step) * step; |
|
}, |
|
ceil: function(x) { |
|
return Math.ceil(x / step) * step; |
|
} |
|
} : d3_scale_niceIdentity; |
|
} |
|
var d3_scale_niceIdentity = { |
|
floor: d3_identity, |
|
ceil: d3_identity |
|
}; |
|
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(m) { |
|
d3_scale_linearNice(domain, m); |
|
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(domain, m) { |
|
return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); |
|
} |
|
function d3_scale_linearTickRange(domain, m) { |
|
if (m == null) m = 10; |
|
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 range = d3_scale_linearTickRange(domain, m); |
|
if (format) { |
|
var match = d3_format_re.exec(format); |
|
match.shift(); |
|
if (match[8] === "s") { |
|
var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1]))); |
|
if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2])); |
|
match[8] = "f"; |
|
format = d3.format(match.join("")); |
|
return function(d) { |
|
return format(prefix.scale(d)) + prefix.symbol; |
|
}; |
|
} |
|
if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range); |
|
format = match.join(""); |
|
} else { |
|
format = ",." + d3_scale_linearPrecision(range[2]) + "f"; |
|
} |
|
return d3.format(format); |
|
} |
|
var d3_scale_linearFormatSignificant = { |
|
s: 1, |
|
g: 1, |
|
p: 1, |
|
r: 1, |
|
e: 1 |
|
}; |
|
function d3_scale_linearPrecision(value) { |
|
return -Math.floor(Math.log(value) / Math.LN10 + .01); |
|
} |
|
function d3_scale_linearFormatPrecision(type, range) { |
|
var p = d3_scale_linearPrecision(range[2]); |
|
return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2; |
|
} |
|
d3.scale.log = function() { |
|
return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]); |
|
}; |
|
function d3_scale_log(linear, base, positive, domain) { |
|
function log(x) { |
|
return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base); |
|
} |
|
function pow(x) { |
|
return positive ? Math.pow(base, x) : -Math.pow(base, -x); |
|
} |
|
function scale(x) { |
|
return linear(log(x)); |
|
} |
|
scale.invert = function(x) { |
|
return pow(linear.invert(x)); |
|
}; |
|
scale.domain = function(x) { |
|
if (!arguments.length) return domain; |
|
positive = x[0] >= 0; |
|
linear.domain((domain = x.map(Number)).map(log)); |
|
return scale; |
|
}; |
|
scale.base = function(_) { |
|
if (!arguments.length) return base; |
|
base = +_; |
|
linear.domain(domain.map(log)); |
|
return scale; |
|
}; |
|
scale.nice = function() { |
|
var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative); |
|
linear.domain(niced); |
|
domain = niced.map(pow); |
|
return scale; |
|
}; |
|
scale.ticks = function() { |
|
var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base; |
|
if (isFinite(j - i)) { |
|
if (positive) { |
|
for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k); |
|
ticks.push(pow(i)); |
|
} else { |
|
ticks.push(pow(i)); |
|
for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k); |
|
} |
|
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) return d3_scale_logFormat; |
|
if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format); |
|
var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, |
|
Math.floor), e; |
|
return function(d) { |
|
return d / pow(f(log(d) + e)) <= k ? format(d) : ""; |
|
}; |
|
}; |
|
scale.copy = function() { |
|
return d3_scale_log(linear.copy(), base, positive, domain); |
|
}; |
|
return d3_scale_linearRebind(scale, linear); |
|
} |
|
var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = { |
|
floor: function(x) { |
|
return -Math.ceil(-x); |
|
}, |
|
ceil: function(x) { |
|
return -Math.floor(-x); |
|
} |
|
}; |
|
d3.scale.pow = function() { |
|
return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]); |
|
}; |
|
function d3_scale_pow(linear, exponent, domain) { |
|
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 domain; |
|
linear.domain((domain = x.map(Number)).map(powp)); |
|
return scale; |
|
}; |
|
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(m) { |
|
return scale.domain(d3_scale_linearNice(domain, m)); |
|
}; |
|
scale.exponent = function(x) { |
|
if (!arguments.length) return exponent; |
|
powp = d3_scale_powPow(exponent = x); |
|
powb = d3_scale_powPow(1 / exponent); |
|
linear.domain(domain.map(powp)); |
|
return scale; |
|
}; |
|
scale.copy = function() { |
|
return d3_scale_pow(linear.copy(), exponent, domain); |
|
}; |
|
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) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 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 = domain.length < 2 ? (start = (start + stop) / 2, |
|
0) : (stop - start) / (domain.length - 1 + padding); |
|
range = steps(start + step * padding / 2, step); |
|
rangeBand = 0; |
|
ranger = { |
|
t: "rangePoints", |
|
a: arguments |
|
}; |
|
return scale; |
|
}; |
|
scale.rangeRoundPoints = function(x, padding) { |
|
if (arguments.length < 2) padding = 0; |
|
var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), |
|
0) : (stop - start) / (domain.length - 1 + padding) | 0; |
|
range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step); |
|
rangeBand = 0; |
|
ranger = { |
|
t: "rangeRoundPoints", |
|
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)); |
|
range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 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 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString); |
|
var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString); |
|
var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString); |
|
var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString); |
|
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 range[d3.bisect(thresholds, x)]; |
|
} |
|
scale.domain = function(x) { |
|
if (!arguments.length) return domain; |
|
domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending); |
|
return rescale(); |
|
}; |
|
scale.range = function(x) { |
|
if (!arguments.length) return range; |
|
range = x; |
|
return rescale(); |
|
}; |
|
scale.quantiles = function() { |
|
return thresholds; |
|
}; |
|
scale.invertExtent = function(y) { |
|
y = range.indexOf(y); |
|
return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ]; |
|
}; |
|
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.invertExtent = function(y) { |
|
y = range.indexOf(y); |
|
y = y < 0 ? NaN : y / kx + x0; |
|
return [ y, y + 1 / kx ]; |
|
}; |
|
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) { |
|
if (x <= 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.invertExtent = function(y) { |
|
y = range.indexOf(y); |
|
return [ domain[y - 1], domain[y] ]; |
|
}; |
|
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 = {}; |
|
function d3_zero() { |
|
return 0; |
|
} |
|
d3.svg.arc = function() { |
|
var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle; |
|
function arc() { |
|
var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1; |
|
if (r1 < r0) rc = r1, r1 = r0, r0 = rc; |
|
if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z"; |
|
var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = []; |
|
if (ap = (+padAngle.apply(this, arguments) || 0) / 2) { |
|
rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments); |
|
if (!cw) p1 *= -1; |
|
if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap)); |
|
if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap)); |
|
} |
|
if (r1) { |
|
x0 = r1 * Math.cos(a0 + p1); |
|
y0 = r1 * Math.sin(a0 + p1); |
|
x1 = r1 * Math.cos(a1 - p1); |
|
y1 = r1 * Math.sin(a1 - p1); |
|
var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1; |
|
if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) { |
|
var h1 = (a0 + a1) / 2; |
|
x0 = r1 * Math.cos(h1); |
|
y0 = r1 * Math.sin(h1); |
|
x1 = y1 = null; |
|
} |
|
} else { |
|
x0 = y0 = 0; |
|
} |
|
if (r0) { |
|
x2 = r0 * Math.cos(a1 - p0); |
|
y2 = r0 * Math.sin(a1 - p0); |
|
x3 = r0 * Math.cos(a0 + p0); |
|
y3 = r0 * Math.sin(a0 + p0); |
|
var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1; |
|
if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) { |
|
var h0 = (a0 + a1) / 2; |
|
x2 = r0 * Math.cos(h0); |
|
y2 = r0 * Math.sin(h0); |
|
x3 = y3 = null; |
|
} |
|
} else { |
|
x2 = y2 = 0; |
|
} |
|
if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { |
|
cr = r0 < r1 ^ cw ? 0 : 1; |
|
var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]); |
|
if (x1 != null) { |
|
var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw); |
|
if (rc === rc1) { |
|
path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]); |
|
} else { |
|
path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]); |
|
} |
|
} else { |
|
path.push("M", x0, ",", y0); |
|
} |
|
if (x3 != null) { |
|
var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw); |
|
if (rc === rc0) { |
|
path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); |
|
} else { |
|
path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]); |
|
} |
|
} else { |
|
path.push("L", x2, ",", y2); |
|
} |
|
} else { |
|
path.push("M", x0, ",", y0); |
|
if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1); |
|
path.push("L", x2, ",", y2); |
|
if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3); |
|
} |
|
path.push("Z"); |
|
return path.join(""); |
|
} |
|
function circleSegment(r1, cw) { |
|
return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1; |
|
} |
|
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.cornerRadius = function(v) { |
|
if (!arguments.length) return cornerRadius; |
|
cornerRadius = d3_functor(v); |
|
return arc; |
|
}; |
|
arc.padRadius = function(v) { |
|
if (!arguments.length) return padRadius; |
|
padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : 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.padAngle = function(v) { |
|
if (!arguments.length) return padAngle; |
|
padAngle = 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 - halfπ; |
|
return [ Math.cos(a) * r, Math.sin(a) * r ]; |
|
}; |
|
return arc; |
|
}; |
|
var d3_svg_arcAuto = "auto"; |
|
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; |
|
} |
|
function d3_svg_arcPadAngle(d) { |
|
return d && d.padAngle; |
|
} |
|
function d3_svg_arcSweep(x0, y0, x1, y1) { |
|
return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1; |
|
} |
|
function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) { |
|
var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3; |
|
if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; |
|
return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ]; |
|
} |
|
function d3_svg_line(projection) { |
|
var x = d3_geom_pointX, y = d3_geom_pointY, 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); |
|
}; |
|
var d3_svg_lineInterpolators = d3.map({ |
|
linear: d3_svg_lineLinear, |
|
"linear-closed": d3_svg_lineLinearClosed, |
|
step: d3_svg_lineStep, |
|
"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_lineStep(points) { |
|
var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ]; |
|
while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]); |
|
if (n > 1) path.push("H", p[0]); |
|
return path.join(""); |
|
} |
|
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, -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, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ]; |
|
points.push(points[n - 1]); |
|
while (++i <= n) { |
|
pi = points[i]; |
|
px.shift(); |
|
px.push(pi[0]); |
|
py.shift(); |
|
py.push(pi[1]); |
|
d3_svg_lineBasisBezier(path, px, py); |
|
} |
|
points.pop(); |
|
path.push("L", pi); |
|
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 (abs(d) < ε) { |
|
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.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] - halfπ; |
|
point[0] = r * Math.cos(a); |
|
point[1] = r * Math.sin(a); |
|
} |
|
return points; |
|
} |
|
function d3_svg_area(projection) { |
|
var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7; |
|
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) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ; |
|
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] - halfπ; |
|
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); |
|
d3_selectionPrototype.transition = function(name) { |
|
var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || { |
|
time: Date.now(), |
|
ease: d3_ease_cubicInOut, |
|
delay: 0, |
|
duration: 250 |
|
}; |
|
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, ns, id, transition); |
|
subgroup.push(node); |
|
} |
|
} |
|
return d3_transition(subgroups, ns, id); |
|
}; |
|
d3_selectionPrototype.interrupt = function(name) { |
|
return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name))); |
|
}; |
|
var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace()); |
|
function d3_selection_interruptNS(ns) { |
|
return function() { |
|
var lock, active; |
|
if ((lock = this[ns]) && (active = lock[lock.active])) { |
|
if (--lock.count) delete lock[lock.active]; else delete this[ns]; |
|
lock.active += .5; |
|
active.event && active.event.interrupt.call(this, this.__data__, active.index); |
|
} |
|
}; |
|
} |
|
function d3_transition(groups, ns, id) { |
|
d3_subclass(groups, d3_transitionPrototype); |
|
groups.namespace = ns; |
|
groups.id = id; |
|
return groups; |
|
} |
|
var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit; |
|
d3_transitionPrototype.call = d3_selectionPrototype.call; |
|
d3_transitionPrototype.empty = d3_selectionPrototype.empty; |
|
d3_transitionPrototype.node = d3_selectionPrototype.node; |
|
d3_transitionPrototype.size = d3_selectionPrototype.size; |
|
d3.transition = function(selection, name) { |
|
return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3_selectionRoot.transition(selection); |
|
}; |
|
d3.transition.prototype = d3_transitionPrototype; |
|
d3_transitionPrototype.select = function(selector) { |
|
var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node; |
|
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, j))) { |
|
if ("__data__" in node) subnode.__data__ = node.__data__; |
|
d3_transitionNode(subnode, i, ns, id, node[ns][id]); |
|
subgroup.push(subnode); |
|
} else { |
|
subgroup.push(null); |
|
} |
|
} |
|
} |
|
return d3_transition(subgroups, ns, id); |
|
}; |
|
d3_transitionPrototype.selectAll = function(selector) { |
|
var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition; |
|
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[ns][id]; |
|
subnodes = selector.call(node, node.__data__, i, j); |
|
subgroups.push(subgroup = []); |
|
for (var k = -1, o = subnodes.length; ++k < o; ) { |
|
if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition); |
|
subgroup.push(subnode); |
|
} |
|
} |
|
} |
|
} |
|
return d3_transition(subgroups, ns, 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, j)) { |
|
subgroup.push(node); |
|
} |
|
} |
|
} |
|
return d3_transition(subgroups, this.namespace, this.id); |
|
}; |
|
d3_transitionPrototype.tween = function(name, tween) { |
|
var id = this.id, ns = this.namespace; |
|
if (arguments.length < 2) return this.node()[ns][id].tween.get(name); |
|
return d3_selection_each(this, tween == null ? function(node) { |
|
node[ns][id].tween.remove(name); |
|
} : function(node) { |
|
node[ns][id].tween.set(name, tween); |
|
}); |
|
}; |
|
function d3_transition_tween(groups, name, value, tween) { |
|
var id = groups.id, ns = groups.namespace; |
|
return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) { |
|
node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j))); |
|
} : (value = tween(value), function(node) { |
|
node[ns][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 = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS); |
|
function attrNull() { |
|
this.removeAttribute(name); |
|
} |
|
function attrNullNS() { |
|
this.removeAttributeNS(name.space, name.local); |
|
} |
|
function attrTween(b) { |
|
return b == null ? attrNull : (b += "", function() { |
|
var a = this.getAttribute(name), i; |
|
return a !== b && (i = interpolate(a, b), function(t) { |
|
this.setAttribute(name, i(t)); |
|
}); |
|
}); |
|
} |
|
function attrTweenNS(b) { |
|
return b == null ? attrNullNS : (b += "", function() { |
|
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 d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween); |
|
}; |
|
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 = ""; |
|
} |
|
function styleNull() { |
|
this.style.removeProperty(name); |
|
} |
|
function styleString(b) { |
|
return b == null ? styleNull : (b += "", function() { |
|
var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i; |
|
return a !== b && (i = d3_interpolate(a, b), function(t) { |
|
this.style.setProperty(name, i(t), priority); |
|
}); |
|
}); |
|
} |
|
return d3_transition_tween(this, "style." + name, value, styleString); |
|
}; |
|
d3_transitionPrototype.styleTween = function(name, tween, priority) { |
|
if (arguments.length < 3) priority = ""; |
|
function styleTween(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); |
|
}; |
|
} |
|
return this.tween("style." + name, styleTween); |
|
}; |
|
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() { |
|
var ns = this.namespace; |
|
return this.each("end.transition", function() { |
|
var p; |
|
if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this); |
|
}); |
|
}; |
|
d3_transitionPrototype.ease = function(value) { |
|
var id = this.id, ns = this.namespace; |
|
if (arguments.length < 1) return this.node()[ns][id].ease; |
|
if (typeof value !== "function") value = d3.ease.apply(d3, arguments); |
|
return d3_selection_each(this, function(node) { |
|
node[ns][id].ease = value; |
|
}); |
|
}; |
|
d3_transitionPrototype.delay = function(value) { |
|
var id = this.id, ns = this.namespace; |
|
if (arguments.length < 1) return this.node()[ns][id].delay; |
|
return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { |
|
node[ns][id].delay = +value.call(node, node.__data__, i, j); |
|
} : (value = +value, function(node) { |
|
node[ns][id].delay = value; |
|
})); |
|
}; |
|
d3_transitionPrototype.duration = function(value) { |
|
var id = this.id, ns = this.namespace; |
|
if (arguments.length < 1) return this.node()[ns][id].duration; |
|
return d3_selection_each(this, typeof value === "function" ? function(node, i, j) { |
|
node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j)); |
|
} : (value = Math.max(1, value), function(node) { |
|
node[ns][id].duration = value; |
|
})); |
|
}; |
|
d3_transitionPrototype.each = function(type, listener) { |
|
var id = this.id, ns = this.namespace; |
|
if (arguments.length < 2) { |
|
var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId; |
|
try { |
|
d3_transitionInheritId = id; |
|
d3_selection_each(this, function(node, i, j) { |
|
d3_transitionInherit = node[ns][id]; |
|
type.call(node, node.__data__, i, j); |
|
}); |
|
} finally { |
|
d3_transitionInherit = inherit; |
|
d3_transitionInheritId = inheritId; |
|
} |
|
} else { |
|
d3_selection_each(this, function(node) { |
|
var transition = node[ns][id]; |
|
(transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener); |
|
}); |
|
} |
|
return this; |
|
}; |
|
d3_transitionPrototype.transition = function() { |
|
var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, 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 = node[ns][id0]; |
|
d3_transitionNode(node, i, ns, id1, { |
|
time: transition.time, |
|
ease: transition.ease, |
|
delay: transition.delay + transition.duration, |
|
duration: transition.duration |
|
}); |
|
} |
|
subgroup.push(node); |
|
} |
|
} |
|
return d3_transition(subgroups, ns, id1); |
|
}; |
|
function d3_transitionNamespace(name) { |
|
return name == null ? "__transition__" : "__transition_" + name + "__"; |
|
} |
|
function d3_transitionNode(node, i, ns, id, inherit) { |
|
var lock = node[ns] || (node[ns] = { |
|
active: 0, |
|
count: 0 |
|
}), transition = lock[id]; |
|
if (!transition) { |
|
var time = inherit.time; |
|
transition = lock[id] = { |
|
tween: new d3_Map(), |
|
time: time, |
|
delay: inherit.delay, |
|
duration: inherit.duration, |
|
ease: inherit.ease, |
|
index: i |
|
}; |
|
inherit = null; |
|
++lock.count; |
|
d3.timer(function(elapsed) { |
|
var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = []; |
|
timer.t = delay + time; |
|
if (delay <= elapsed) return start(elapsed - delay); |
|
timer.c = start; |
|
function start(elapsed) { |
|
if (lock.active > id) return stop(); |
|
var active = lock[lock.active]; |
|
if (active) { |
|
--lock.count; |
|
delete lock[lock.active]; |
|
active.event && active.event.interrupt.call(node, node.__data__, active.index); |
|
} |
|
lock.active = id; |
|
transition.event && transition.event.start.call(node, node.__data__, i); |
|
transition.tween.forEach(function(key, value) { |
|
if (value = value.call(node, node.__data__, i)) { |
|
tweened.push(value); |
|
} |
|
}); |
|
ease = transition.ease; |
|
duration = transition.duration; |
|
d3.timer(function() { |
|
timer.c = tick(elapsed || 1) ? d3_true : tick; |
|
return 1; |
|
}, 0, time); |
|
} |
|
function tick(elapsed) { |
|
if (lock.active !== id) return 1; |
|
var t = elapsed / duration, e = ease(t), n = tweened.length; |
|
while (n > 0) { |
|
tweened[--n].call(node, e); |
|
} |
|
if (t >= 1) { |
|
transition.event && transition.event.end.call(node, node.__data__, i); |
|
return stop(); |
|
} |
|
} |
|
function stop() { |
|
if (--lock.count) delete lock[id]; else delete node[ns]; |
|
return 1; |
|
} |
|
}, 0, time); |
|
} |
|
} |
|
d3.svg.axis = function() { |
|
var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_; |
|
function axis(g) { |
|
g.each(function() { |
|
var g = d3.select(this); |
|
var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy(); |
|
var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform; |
|
var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), |
|
d3.transition(path)); |
|
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"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2; |
|
if (orient === "bottom" || orient === "top") { |
|
tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2"; |
|
text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle"); |
|
pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize); |
|
} else { |
|
tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2"; |
|
text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start"); |
|
pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize); |
|
} |
|
lineEnter.attr(y2, sign * innerTickSize); |
|
textEnter.attr(y1, sign * tickSpacing); |
|
lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize); |
|
textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing); |
|
if (scale1.rangeBand) { |
|
var x = scale1, dx = x.rangeBand() / 2; |
|
scale0 = scale1 = function(d) { |
|
return x(d) + dx; |
|
}; |
|
} else if (scale0.rangeBand) { |
|
scale0 = scale1; |
|
} else { |
|
tickExit.call(tickTransform, scale1, scale0); |
|
} |
|
tickEnter.call(tickTransform, scale0, scale1); |
|
tickUpdate.call(tickTransform, scale1, scale1); |
|
}); |
|
} |
|
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) { |
|
var n = arguments.length; |
|
if (!n) return innerTickSize; |
|
innerTickSize = +x; |
|
outerTickSize = +arguments[n - 1]; |
|
return axis; |
|
}; |
|
axis.innerTickSize = function(x) { |
|
if (!arguments.length) return innerTickSize; |
|
innerTickSize = +x; |
|
return axis; |
|
}; |
|
axis.outerTickSize = function(x) { |
|
if (!arguments.length) return outerTickSize; |
|
outerTickSize = +x; |
|
return axis; |
|
}; |
|
axis.tickPadding = function(x) { |
|
if (!arguments.length) return tickPadding; |
|
tickPadding = +x; |
|
return axis; |
|
}; |
|
axis.tickSubdivide = function() { |
|
return arguments.length && axis; |
|
}; |
|
return axis; |
|
}; |
|
var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = { |
|
top: 1, |
|
right: 1, |
|
bottom: 1, |
|
left: 1 |
|
}; |
|
function d3_svg_axisX(selection, x0, x1) { |
|
selection.attr("transform", function(d) { |
|
var v0 = x0(d); |
|
return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)"; |
|
}); |
|
} |
|
function d3_svg_axisY(selection, y0, y1) { |
|
selection.attr("transform", function(d) { |
|
var v0 = y0(d); |
|
return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")"; |
|
}); |
|
} |
|
d3.svg.brush = function() { |
|
var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0]; |
|
function brush(g) { |
|
g.each(function() { |
|
var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart); |
|
var background = g.selectAll(".background").data([ 0 ]); |
|
background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair"); |
|
g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move"); |
|
var resize = g.selectAll(".resize").data(resizes, d3_identity); |
|
resize.exit().remove(); |
|
resize.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"); |
|
resize.style("display", brush.empty() ? "none" : null); |
|
var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range; |
|
if (x) { |
|
range = d3_scaleRange(x); |
|
backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]); |
|
redrawX(gUpdate); |
|
} |
|
if (y) { |
|
range = d3_scaleRange(y); |
|
backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]); |
|
redrawY(gUpdate); |
|
} |
|
redraw(gUpdate); |
|
}); |
|
} |
|
brush.event = function(g) { |
|
g.each(function() { |
|
var event_ = event.of(this, arguments), extent1 = { |
|
x: xExtent, |
|
y: yExtent, |
|
i: xExtentDomain, |
|
j: yExtentDomain |
|
}, extent0 = this.__chart__ || extent1; |
|
this.__chart__ = extent1; |
|
if (d3_transitionInheritId) { |
|
d3.select(this).transition().each("start.brush", function() { |
|
xExtentDomain = extent0.i; |
|
yExtentDomain = extent0.j; |
|
xExtent = extent0.x; |
|
yExtent = extent0.y; |
|
event_({ |
|
type: "brushstart" |
|
}); |
|
}).tween("brush:brush", function() { |
|
var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y); |
|
xExtentDomain = yExtentDomain = null; |
|
return function(t) { |
|
xExtent = extent1.x = xi(t); |
|
yExtent = extent1.y = yi(t); |
|
event_({ |
|
type: "brush", |
|
mode: "resize" |
|
}); |
|
}; |
|
}).each("end.brush", function() { |
|
xExtentDomain = extent1.i; |
|
yExtentDomain = extent1.j; |
|
event_({ |
|
type: "brush", |
|
mode: "resize" |
|
}); |
|
event_({ |
|
type: "brushend" |
|
}); |
|
}); |
|
} else { |
|
event_({ |
|
type: "brushstart" |
|
}); |
|
event_({ |
|
type: "brush", |
|
mode: "resize" |
|
}); |
|
event_({ |
|
type: "brushend" |
|
}); |
|
} |
|
}); |
|
}; |
|
function redraw(g) { |
|
g.selectAll(".resize").attr("transform", function(d) { |
|
return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")"; |
|
}); |
|
} |
|
function redrawX(g) { |
|
g.select(".extent").attr("x", xExtent[0]); |
|
g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]); |
|
} |
|
function redrawY(g) { |
|
g.select(".extent").attr("y", yExtent[0]); |
|
g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]); |
|
} |
|
function brushstart() { |
|
var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset; |
|
var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup); |
|
if (d3.event.changedTouches) { |
|
w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); |
|
} else { |
|
w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); |
|
} |
|
g.interrupt().selectAll("*").interrupt(); |
|
if (dragging) { |
|
origin[0] = xExtent[0] - origin[0]; |
|
origin[1] = yExtent[0] - origin[1]; |
|
} else if (resizing) { |
|
var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing); |
|
offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ]; |
|
origin[0] = xExtent[ex]; |
|
origin[1] = yExtent[ey]; |
|
} 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(); |
|
function keydown() { |
|
if (d3.event.keyCode == 32) { |
|
if (!dragging) { |
|
center = null; |
|
origin[0] -= xExtent[1]; |
|
origin[1] -= yExtent[1]; |
|
dragging = 2; |
|
} |
|
d3_eventPreventDefault(); |
|
} |
|
} |
|
function keyup() { |
|
if (d3.event.keyCode == 32 && dragging == 2) { |
|
origin[0] += xExtent[1]; |
|
origin[1] += yExtent[1]; |
|
dragging = 0; |
|
d3_eventPreventDefault(); |
|
} |
|
} |
|
function brushmove() { |
|
var point = d3.mouse(target), moved = false; |
|
if (offset) { |
|
point[0] += offset[0]; |
|
point[1] += offset[1]; |
|
} |
|
if (!dragging) { |
|
if (d3.event.altKey) { |
|
if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ]; |
|
origin[0] = xExtent[+(point[0] < center[0])]; |
|
origin[1] = yExtent[+(point[1] < center[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], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max; |
|
if (dragging) { |
|
r0 -= position; |
|
r1 -= size + position; |
|
} |
|
min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : 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] != min || extent[1] != max) { |
|
if (i) yExtentDomain = null; else xExtentDomain = null; |
|
extent[0] = min; |
|
extent[1] = 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); |
|
dragRestore(); |
|
event_({ |
|
type: "brushend" |
|
}); |
|
} |
|
} |
|
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.clamp = function(z) { |
|
if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null; |
|
if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z; |
|
return brush; |
|
}; |
|
brush.extent = function(z) { |
|
var x0, x1, y0, y1, t; |
|
if (!arguments.length) { |
|
if (x) { |
|
if (xExtentDomain) { |
|
x0 = xExtentDomain[0], x1 = xExtentDomain[1]; |
|
} else { |
|
x0 = xExtent[0], x1 = xExtent[1]; |
|
if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1); |
|
if (x1 < x0) t = x0, x0 = x1, x1 = t; |
|
} |
|
} |
|
if (y) { |
|
if (yExtentDomain) { |
|
y0 = yExtentDomain[0], y1 = yExtentDomain[1]; |
|
} else { |
|
y0 = yExtent[0], y1 = yExtent[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 ]; |
|
} |
|
if (x) { |
|
x0 = z[0], x1 = z[1]; |
|
if (y) x0 = x0[0], x1 = x1[0]; |
|
xExtentDomain = [ x0, x1 ]; |
|
if (x.invert) x0 = x(x0), x1 = x(x1); |
|
if (x1 < x0) t = x0, x0 = x1, x1 = t; |
|
if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ]; |
|
} |
|
if (y) { |
|
y0 = z[0], y1 = z[1]; |
|
if (x) y0 = y0[1], y1 = y1[1]; |
|
yExtentDomain = [ y0, y1 ]; |
|
if (y.invert) y0 = y(y0), y1 = y(y1); |
|
if (y1 < y0) t = y0, y0 = y1, y1 = t; |
|
if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ]; |
|
} |
|
return brush; |
|
}; |
|
brush.clear = function() { |
|
if (!brush.empty()) { |
|
xExtent = [ 0, 0 ], yExtent = [ 0, 0 ]; |
|
xExtentDomain = yExtentDomain = null; |
|
} |
|
return brush; |
|
}; |
|
brush.empty = function() { |
|
return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[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" ], [] ]; |
|
var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat; |
|
var d3_time_formatUtc = d3_time_format.utc; |
|
var d3_time_formatIso = d3_time_formatUtc("%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_date(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_date(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_date((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; |
|
}; |
|
function tickMethod(extent, count) { |
|
var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target); |
|
return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) { |
|
return d / 31536e6; |
|
}), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i]; |
|
} |
|
scale.nice = function(interval, skip) { |
|
var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval); |
|
if (method) interval = method[0], skip = method[1]; |
|
function skipped(date) { |
|
return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length; |
|
} |
|
return scale.domain(d3_scale_nice(domain, skip > 1 ? { |
|
floor: function(date) { |
|
while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1); |
|
return date; |
|
}, |
|
ceil: function(date) { |
|
while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1); |
|
return date; |
|
} |
|
} : interval)); |
|
}; |
|
scale.ticks = function(interval, skip) { |
|
var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ { |
|
range: interval |
|
}, skip ]; |
|
if (method) interval = method[0], skip = method[1]; |
|
return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip); |
|
}; |
|
scale.tickFormat = function() { |
|
return format; |
|
}; |
|
scale.copy = function() { |
|
return d3_time_scale(linear.copy(), methods, format); |
|
}; |
|
return d3_scale_linearRebind(scale, linear); |
|
} |
|
function d3_time_scaleDate(t) { |
|
return new Date(t); |
|
} |
|
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_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) { |
|
return d.getMilliseconds(); |
|
} ], [ ":%S", function(d) { |
|
return d.getSeconds(); |
|
} ], [ "%I:%M", function(d) { |
|
return d.getMinutes(); |
|
} ], [ "%I %p", function(d) { |
|
return d.getHours(); |
|
} ], [ "%a %d", function(d) { |
|
return d.getDay() && d.getDate() != 1; |
|
} ], [ "%b %d", function(d) { |
|
return d.getDate() != 1; |
|
} ], [ "%B", function(d) { |
|
return d.getMonth(); |
|
} ], [ "%Y", d3_true ] ]); |
|
var d3_time_scaleMilliseconds = { |
|
range: function(start, stop, step) { |
|
return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate); |
|
}, |
|
floor: d3_identity, |
|
ceil: d3_identity |
|
}; |
|
d3_time_scaleLocalMethods.year = d3_time.year; |
|
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_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) { |
|
return d.getUTCMilliseconds(); |
|
} ], [ ":%S", function(d) { |
|
return d.getUTCSeconds(); |
|
} ], [ "%I:%M", function(d) { |
|
return d.getUTCMinutes(); |
|
} ], [ "%I %p", function(d) { |
|
return d.getUTCHours(); |
|
} ], [ "%a %d", function(d) { |
|
return d.getUTCDay() && d.getUTCDate() != 1; |
|
} ], [ "%b %d", function(d) { |
|
return d.getUTCDate() != 1; |
|
} ], [ "%B", function(d) { |
|
return d.getUTCMonth(); |
|
} ], [ "%Y", d3_true ] ]); |
|
d3_time_scaleUtcMethods.year = d3_time.year.utc; |
|
d3_time.scale.utc = function() { |
|
return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat); |
|
}; |
|
d3.text = d3_xhrType(function(request) { |
|
return request.responseText; |
|
}); |
|
d3.json = function(url, callback) { |
|
return d3_xhr(url, "application/json", d3_json, callback); |
|
}; |
|
function d3_json(request) { |
|
return JSON.parse(request.responseText); |
|
} |
|
d3.html = function(url, callback) { |
|
return d3_xhr(url, "text/html", d3_html, callback); |
|
}; |
|
function d3_html(request) { |
|
var range = d3_document.createRange(); |
|
range.selectNode(d3_document.body); |
|
return range.createContextualFragment(request.responseText); |
|
} |
|
d3.xml = d3_xhrType(function(request) { |
|
return request.responseXML; |
|
}); |
|
if (typeof define === "function" && define.amd) define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; |
|
this.d3 = d3; |
|
}(); |
