Inspired by Mike Bostock's satellite projection. This time with graticule and new spam syntaxis (static, dynamic) for each feature. Urban areas and coastline data by naturalearthdata
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May 20, 2016 11:57
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satellite projection w graticule
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license: mit | |
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d3.debug = false; | |
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function d3_window(node) { | |
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d3.ascending = d3_ascending; | |
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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.transpose = function(matrix) { | |
if (!(n = matrix.length)) return []; | |
for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) { | |
for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) { | |
row[j] = matrix[j][i]; | |
} | |
} | |
return transpose; | |
}; | |
function d3_transposeLength(d) { | |
return d.length; | |
} | |
d3.zip = function() { | |
return d3.transpose(arguments); | |
}; | |
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 = {}; | |
function d3_identity(d) { | |
return d; | |
} | |
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_selectMatches = function(n, s) { | |
var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")]; | |
d3_selectMatches = function(n, s) { | |
return d3_selectMatcher.call(n, s); | |
}; | |
return d3_selectMatches(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.select(d3_document.documentElement); | |
}; | |
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_nsXhtml = "http://www.w3.org/1999/xhtml"; | |
var d3_nsPrefix = { | |
svg: "http://www.w3.org/2000/svg", | |
xhtml: d3_nsXhtml, | |
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)) !== "xmlns") 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) { | |
var node = this.node(); | |
return d3_window(node).getComputedStyle(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) { | |
function create() { | |
var document = this.ownerDocument, namespace = this.namespaceURI; | |
return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name); | |
} | |
function createNS() { | |
return this.ownerDocument.createElementNS(name.space, name.local); | |
} | |
return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create; | |
} | |
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 (node = group[i]) { | |
if (nodeByKeyValue.has(keyValue = key.call(node, 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 (i in keyValues && 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; | |
if (typeof node === "string") { | |
group = [ d3_select(node, d3_document) ]; | |
group.parentNode = d3_document.documentElement; | |
} else { | |
group = [ node ]; | |
group.parentNode = d3_documentElement(node); | |
} | |
return d3_selection([ group ]); | |
}; | |
d3.selectAll = function(nodes) { | |
var group; | |
if (typeof nodes === "string") { | |
group = d3_array(d3_selectAll(nodes, d3_document)); | |
group.parentNode = d3_document.documentElement; | |
} else { | |
group = d3_array(nodes); | |
group.parentNode = null; | |
} | |
return d3_selection([ group ]); | |
}; | |
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" | |
}); | |
if (d3_document) { | |
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, d3_event_dragId = 0; | |
function d3_event_dragSuppress(node) { | |
var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault); | |
if (d3_event_dragSelect == null) { | |
d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect"); | |
} | |
if (d3_event_dragSelect) { | |
var style = d3_documentElement(node).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 = this.navigator && /WebKit/.test(this.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) { | |
var window = d3_window(container); | |
if (window.scrollX || 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_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "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.correspondingElement || 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(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), 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); | |
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; | |
} | |
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], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S; | |
if (d2 < ε2) { | |
S = Math.log(w1 / w0) / ρ; | |
i = function(t) { | |
return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ]; | |
}; | |
} else { | |
var 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); | |
S = (r1 - r0) / ρ; | |
i = function(t) { | |
var s = t * S, 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) ]; | |
}; | |
} | |
i.duration = S * 1e3; | |
return i; | |
}; | |
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; | |
if (!d3_behavior_zoomWheel) { | |
d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1); | |
}, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() { | |
return d3.event.wheelDelta; | |
}, "mousewheel") : (d3_behavior_zoomDelta = function() { | |
return -d3.event.detail; | |
}, "MozMousePixelScroll"); | |
} | |
function 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: null | |
}; | |
scaleTo(+_); | |
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, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that); | |
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); | |
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(that); | |
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 d3_selection_interrupt.call(this), | |
translate0 = location(center0 = center || d3.mouse(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 ], d3_behavior_zoomDelta, d3_behavior_zoomWheel; | |
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]+)\((.*)\)/.exec(format = format.toLowerCase()); | |
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, | |
rebeccapurple: 6697881, | |
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; | |
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 (this.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_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) { | |
setTimeout(callback, 17); | |
}; | |
d3.timer = function() { | |
d3_timer.apply(this, arguments); | |
}; | |
function d3_timer(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, | |
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); | |
} | |
return timer; | |
} | |
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(), timer = d3_timer_queueHead; | |
while (timer) { | |
if (now >= timer.t && timer.c(now - timer.t)) timer.c = null; | |
timer = timer.n; | |
} | |
return now; | |
} | |
function d3_timer_sweep() { | |
var t0, t1 = d3_timer_queueHead, time = Infinity; | |
while (t1) { | |
if (t1.c) { | |
if (t1.t < time) time = t1.t; | |
t1 = (t0 = t1).n; | |
} else { | |
t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = 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 = +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 || "U" in d) { | |
if (!("w" in d)) d.w = "W" in d ? 1 : 0; | |
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 < -ε) ^ 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() { | |
if (d3.debug) | |
console.log("Polygon start - context") | |
stream.lineEnd = lineEndPolygon; | |
}, | |
polygonEnd: function() { | |
if (d3.debug) | |
console.log("Polygon end - context") | |
stream.lineEnd = lineEnd; | |
stream.point = point; | |
}, | |
pointRadius: function(_) { | |
pointRadius = _; | |
return stream; | |
}, | |
result: d3_noop | |
}; | |
function point(x, y) { | |
context.moveTo(x + pointRadius, y); | |
if (d3.debug) | |
console.log(x + ", " + y + " - context point") | |
context.arc(x, y, pointRadius, 0, τ); | |
} | |
function pointLineStart(x, y) { | |
context.moveTo(x, y); | |
stream.point = pointLine; | |
} | |
function pointLine(x, y) { | |
if (d3.debug) | |
console.log(x + ", " + y + " - context pointLine") | |
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 - node.x, dy = y - node.y, 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.toLowerCase()) || /^(#|rgb\(|hsl\()/i.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_interpolateTransformPop(s) { | |
return s.length ? s.pop() + "," : ""; | |
} | |
function d3_interpolateTranslate(ta, tb, s, q) { | |
if (ta[0] !== tb[0] || ta[1] !== tb[1]) { | |
var i = s.push("translate(", null, ",", null, ")"); | |
q.push({ | |
i: i - 4, | |
x: d3_interpolateNumber(ta[0], tb[0]) | |
}, { | |
i: i - 2, | |
x: d3_interpolateNumber(ta[1], tb[1]) | |
}); | |
} else if (tb[0] || tb[1]) { | |
s.push("translate(" + tb + ")"); | |
} | |
} | |
function d3_interpolateRotate(ra, rb, s, q) { | |
if (ra !== rb) { | |
if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360; | |
q.push({ | |
i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2, | |
x: d3_interpolateNumber(ra, rb) | |
}); | |
} else if (rb) { | |
s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")"); | |
} | |
} | |
function d3_interpolateSkew(wa, wb, s, q) { | |
if (wa !== wb) { | |
q.push({ | |
i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2, | |
x: d3_interpolateNumber(wa, wb) | |
}); | |
} else if (wb) { | |
s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")"); | |
} | |
} | |
function d3_interpolateScale(ka, kb, s, q) { | |
if (ka[0] !== kb[0] || ka[1] !== kb[1]) { | |
var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")"); | |
q.push({ | |
i: i - 4, | |
x: d3_interpolateNumber(ka[0], kb[0]) | |
}, { | |
i: i - 2, | |
x: d3_interpolateNumber(ka[1], kb[1]) | |
}); | |
} else if (kb[0] !== 1 || kb[1] !== 1) { | |
s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")"); | |
} | |
} | |
function d3_interpolateTransform(a, b) { | |
var s = [], q = []; | |
a = d3.transform(a), b = d3.transform(b); | |
d3_interpolateTranslate(a.translate, b.translate, s, q); | |
d3_interpolateRotate(a.rotate, b.rotate, s, q); | |
d3_interpolateSkew(a.skew, b.skew, s, q); | |
d3_interpolateScale(a.scale, b.scale, s, q); | |
a = b = null; | |
return function(t) { | |
var i = -1, n = q.length, 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: groupSums[di] | |
}; | |
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"), timer, 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) { | |
timer = null; | |
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 / (s.weight + t.weight) : .5); | |
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 { | |
timer.c = null, timer.t = NaN, timer = null; | |
event.end({ | |
type: "end", | |
alpha: alpha = 0 | |
}); | |
} | |
} else if (x > 0) { | |
event.start({ | |
type: "start", | |
alpha: alpha = x | |
}); | |
timer = 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, l = candidates.length, x; | |
while (++j < l) 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), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, 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 = root.y = 0; | |
if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0; | |
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) { | |
d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); | |
d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2])); | |
return domain; | |
} | |
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, base * n / scale.ticks().length); | |
return function(d) { | |
var i = d / pow(Math.round(log(d))); | |
if (i * base < base - .5) i *= base; | |
return i <= 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 (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) { | |
cr = r0 < r1 ^ cw ? 0 : 1; | |
var rc1 = rc, rc0 = rc; | |
if (da < π) { | |
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]); | |
rc0 = Math.min(rc, (r0 - lc) / (kc - 1)); | |
rc1 = Math.min(rc, (r1 - lc) / (kc + 1)); | |
} | |
if (x1 != null) { | |
var 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 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(Math.max(0, 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.length > 1 ? points.join("L") : points + "Z"; | |
} | |
function d3_svg_lineLinearClosed(points) { | |
return points.join("L") + "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_lineLinearClosed(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, activeId, active; | |
if ((lock = this[ns]) && (active = lock[activeId = lock.active])) { | |
active.timer.c = null; | |
active.timer.t = NaN; | |
if (--lock.count) delete lock[activeId]; 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.selection().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(this).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(this).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], time, timer, duration, ease, tweens; | |
function schedule(elapsed) { | |
var delay = transition.delay; | |
timer.t = delay + time; | |
if (delay <= elapsed) return start(elapsed - delay); | |
timer.c = start; | |
} | |
function start(elapsed) { | |
var activeId = lock.active, active = lock[activeId]; | |
if (active) { | |
active.timer.c = null; | |
active.timer.t = NaN; | |
--lock.count; | |
delete lock[activeId]; | |
active.event && active.event.interrupt.call(node, node.__data__, active.index); | |
} | |
for (var cancelId in lock) { | |
if (+cancelId < id) { | |
var cancel = lock[cancelId]; | |
cancel.timer.c = null; | |
cancel.timer.t = NaN; | |
--lock.count; | |
delete lock[cancelId]; | |
} | |
} | |
timer.c = tick; | |
d3_timer(function() { | |
if (timer.c && tick(elapsed || 1)) { | |
timer.c = null; | |
timer.t = NaN; | |
} | |
return 1; | |
}, 0, time); | |
lock.active = id; | |
transition.event && transition.event.start.call(node, node.__data__, i); | |
tweens = []; | |
transition.tween.forEach(function(key, value) { | |
if (value = value.call(node, node.__data__, i)) { | |
tweens.push(value); | |
} | |
}); | |
ease = transition.ease; | |
duration = transition.duration; | |
} | |
function tick(elapsed) { | |
var t = elapsed / duration, e = ease(t), n = tweens.length; | |
while (n > 0) { | |
tweens[--n].call(node, e); | |
} | |
if (t >= 1) { | |
transition.event && transition.event.end.call(node, node.__data__, i); | |
if (--lock.count) delete lock[id]; else delete node[ns]; | |
return 1; | |
} | |
} | |
if (!transition) { | |
time = inherit.time; | |
timer = d3_timer(schedule, 0, time); | |
transition = lock[id] = { | |
tween: new d3_Map(), | |
time: time, | |
timer: timer, | |
delay: inherit.delay, | |
duration: inherit.duration, | |
ease: inherit.ease, | |
index: i | |
}; | |
inherit = null; | |
++lock.count; | |
} | |
} | |
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_ = d3_array(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)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset; | |
var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup); | |
if (d3.event.changedTouches) { | |
w.on("touchmove.brush", brushmove).on("touchend.brush", brushend); | |
} else { | |
w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend); | |
} | |
g.interrupt().selectAll("*").interrupt(); | |
if (dragging) { | |
origin[0] = xExtent[0] - origin[0]; | |
origin[1] = yExtent[0] - origin[1]; | |
} else if (resizing) { | |
var ex = +/w$/.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) this.d3 = d3, define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3; | |
}(); |
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<!DOCTYPE html> | |
<meta charset="utf-8" /> | |
<body> | |
<div class="map"> | |
</div> | |
<script src="d3.js"></script> | |
<script src="d3.geo.projection.min.js"></script> | |
<script src="topojson.js"></script> | |
<script src="rbush.js"></script> | |
<script src="spam.min.js"></script> | |
<script type='text/javascript'> | |
var madrid = {"name": "Madrid", "coordinates": [-3.8196207,40.4378698]}; | |
var distance = 1.5, | |
scale = 5000, | |
center = [70, 50], | |
rotate = [4.319999999999993,-40.68,145.00000000000006], | |
tilt = -35; | |
var graticule = d3.geo.graticule().step([5, 5]), | |
width = 900, | |
height = 650; | |
d3.json("map.json", function(error, d) { | |
topojson.presimplify(d) | |
var map = new StaticCanvasMap({ | |
element: ".map", | |
width: width, | |
height: height, | |
projection: d3.geo.satellite() | |
.translate([width/2,0]) | |
.distance(1.1) | |
.scale(3250) | |
.center([30, 50]) | |
.rotate([7, -38, -20]) | |
.tilt(20) | |
.clipAngle(Math.acos(1 / 1.1) * 180 / Math.PI - 1e-6) | |
, | |
data: [ | |
{ | |
// coastline | |
features: topojson.feature(d, d.objects["coastline"]), | |
static: { | |
prepaint: function(parameters, d) { | |
parameters.context.beginPath(); | |
parameters.path(graticule()); | |
parameters.context.lineWidth = 0.4; | |
parameters.context.strokeStyle = 'rgb(122,148,149)'; | |
parameters.context.stroke(); | |
}, | |
paintfeature: function(parameters, d) { | |
parameters.context.lineWidth = 0.2; | |
parameters.context.strokeStyle = "rgba(122, 148, 149, 0.8)"; | |
parameters.context.stroke(); | |
parameters.context.save() | |
parameters.context.shadowColor = "rgba(122, 148, 149, 0.8)"; | |
parameters.context.shadowBlur = 5 | |
parameters.context.fillStyle = "rgb(255,255,255)"; | |
parameters.context.fill() | |
parameters.context.restore() | |
} | |
} | |
}, | |
{ | |
// spain provinces | |
features: topojson.feature(d, d.objects["spain"]), | |
static: { | |
paintfeature: function(parameters, d) { | |
parameters.context.lineWidth = 1.2 | |
parameters.context.strokeStyle = "rgb(197,197,197)"; | |
parameters.context.stroke() | |
parameters.context.fillStyle = "rgb(255, 255, 255)"; | |
parameters.context.fill() | |
} | |
} | |
}, | |
{ // urban areas | |
features: topojson.feature(d, d.objects["urbanareas"]), | |
static: { | |
paintfeature: function(parameters, d) { | |
parameters.context.lineWidth = 0.2; | |
parameters.context.strokeStyle = "rgba(230,208,157,0.8)"; | |
parameters.context.stroke() | |
parameters.context.fillStyle = "rgba(230,208,157,0.6)"; | |
parameters.context.fill() | |
}, | |
postpaint: function(parameters, d) { | |
// city name | |
var point = parameters.map.settings().projection(madrid.coordinates) | |
parameters.context.font = "20px sans-serif" | |
parameters.context.lineWidth = 4; | |
parameters.context.strokeStyle = 'rgba(255,255,255,0.7)'; | |
parameters.context.strokeText(madrid.name,point[0] + 10, point[1] + 5) | |
parameters.context.fillStyle = "rgba(80,80,80, 0.7)"; | |
parameters.context.fillText(madrid.name, point[0] + 10, point[1] + 5) | |
parameters.context.stroke() | |
// point | |
parameters.context.beginPath(); | |
parameters.context.arc(point[0], point[1] / parameters.scale, 2 , 0, 2 * Math.PI, true); | |
parameters.context.fillStyle = "rgba(205,23,25,0.8)"; | |
parameters.context.fill(); | |
} | |
} | |
} | |
] | |
}) | |
map.init() | |
}) | |
</script> | |
</body> | |
</html> |
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