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(function (global, factory) { |
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : |
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typeof define === 'function' && define.amd ? define(['exports'], factory) : |
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(factory((global.d3 = global.d3 || {}))); |
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}(this, function (exports) { 'use strict'; |
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|
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function ascending(a, b) { |
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return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; |
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} |
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|
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function bisector(compare) { |
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if (compare.length === 1) compare = ascendingComparator(compare); |
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return { |
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left: function(a, x, lo, hi) { |
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if (lo == null) lo = 0; |
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if (hi == null) hi = a.length; |
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while (lo < hi) { |
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var mid = lo + hi >>> 1; |
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if (compare(a[mid], x) < 0) lo = mid + 1; |
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else hi = mid; |
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} |
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return lo; |
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}, |
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right: function(a, x, lo, hi) { |
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if (lo == null) lo = 0; |
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if (hi == null) hi = a.length; |
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while (lo < hi) { |
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var mid = lo + hi >>> 1; |
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if (compare(a[mid], x) > 0) hi = mid; |
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else lo = mid + 1; |
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} |
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return lo; |
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} |
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}; |
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} |
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|
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function ascendingComparator(f) { |
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return function(d, x) { |
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return ascending(f(d), x); |
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}; |
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} |
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|
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var ascendingBisect = bisector(ascending); |
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var bisectRight = ascendingBisect.right; |
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var bisectLeft = ascendingBisect.left; |
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|
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function descending(a, b) { |
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return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; |
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} |
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|
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function number(x) { |
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return x === null ? NaN : +x; |
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} |
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|
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function variance(array, f) { |
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var n = array.length, |
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m = 0, |
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a, |
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d, |
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s = 0, |
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i = -1, |
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j = 0; |
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|
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if (f == null) { |
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while (++i < n) { |
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if (!isNaN(a = number(array[i]))) { |
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d = a - m; |
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m += d / ++j; |
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s += d * (a - m); |
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} |
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} |
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} |
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|
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else { |
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while (++i < n) { |
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if (!isNaN(a = number(f(array[i], i, array)))) { |
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d = a - m; |
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m += d / ++j; |
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s += d * (a - m); |
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} |
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} |
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} |
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|
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if (j > 1) return s / (j - 1); |
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} |
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|
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function deviation(array, f) { |
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var v = variance(array, f); |
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return v ? Math.sqrt(v) : v; |
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} |
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|
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function extent(array, f) { |
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var i = -1, |
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n = array.length, |
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a, |
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b, |
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c; |
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|
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if (f == null) { |
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while (++i < n) if ((b = array[i]) != null && b >= b) { a = c = b; break; } |
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while (++i < n) if ((b = array[i]) != null) { |
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if (a > b) a = b; |
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if (c < b) c = b; |
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} |
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} |
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|
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else { |
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while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = c = b; break; } |
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while (++i < n) if ((b = f(array[i], i, array)) != null) { |
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if (a > b) a = b; |
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if (c < b) c = b; |
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} |
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} |
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|
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return [a, c]; |
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} |
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|
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var array = Array.prototype; |
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|
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var slice = array.slice; |
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var map = array.map; |
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|
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function constant(x) { |
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return function() { |
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return x; |
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}; |
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} |
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|
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function identity(x) { |
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return x; |
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} |
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|
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function range(start, stop, step) { |
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start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; |
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|
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var i = -1, |
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n = Math.max(0, Math.ceil((stop - start) / step)) | 0, |
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range = new Array(n); |
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|
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while (++i < n) { |
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range[i] = start + i * step; |
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} |
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|
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return range; |
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} |
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|
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var e10 = Math.sqrt(50); |
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var e5 = Math.sqrt(10); |
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var e2 = Math.sqrt(2); |
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function ticks(start, stop, count) { |
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var step = tickStep(start, stop, count); |
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return range( |
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Math.ceil(start / step) * step, |
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Math.floor(stop / step) * step + step / 2, // inclusive |
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step |
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); |
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} |
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|
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function tickStep(start, stop, count) { |
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var step0 = Math.abs(stop - start) / Math.max(0, count), |
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step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), |
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error = step0 / step1; |
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if (error >= e10) step1 *= 10; |
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else if (error >= e5) step1 *= 5; |
|
else if (error >= e2) step1 *= 2; |
|
return stop < start ? -step1 : step1; |
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} |
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|
|
function sturges(values) { |
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return Math.ceil(Math.log(values.length) / Math.LN2) + 1; |
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} |
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|
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function histogram() { |
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var value = identity, |
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domain = extent, |
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threshold = sturges; |
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|
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function histogram(data) { |
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var i, |
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n = data.length, |
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x, |
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values = new Array(n); |
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|
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for (i = 0; i < n; ++i) { |
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values[i] = value(data[i], i, data); |
|
} |
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|
|
var xz = domain(values), |
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x0 = xz[0], |
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x1 = xz[1], |
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tz = threshold(values, x0, x1); |
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|
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// Convert number of thresholds into uniform thresholds. |
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if (!Array.isArray(tz)) tz = ticks(x0, x1, tz); |
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|
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// Remove any thresholds outside the domain. |
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var m = tz.length; |
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while (tz[0] <= x0) tz.shift(), --m; |
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while (tz[m - 1] >= x1) tz.pop(), --m; |
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|
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var bins = new Array(m + 1), |
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bin; |
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|
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// Initialize bins. |
|
for (i = 0; i <= m; ++i) { |
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bin = bins[i] = []; |
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bin.x0 = i > 0 ? tz[i - 1] : x0; |
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bin.x1 = i < m ? tz[i] : x1; |
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} |
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|
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// Assign data to bins by value, ignoring any outside the domain. |
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for (i = 0; i < n; ++i) { |
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x = values[i]; |
|
if (x0 <= x && x <= x1) { |
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bins[bisectRight(tz, x, 0, m)].push(data[i]); |
|
} |
|
} |
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|
|
return bins; |
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} |
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|
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histogram.value = function(_) { |
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return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; |
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}; |
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|
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histogram.domain = function(_) { |
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return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; |
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}; |
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|
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histogram.thresholds = function(_) { |
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return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; |
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}; |
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|
|
return histogram; |
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} |
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|
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function threshold(array, p, f) { |
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if (f == null) f = number; |
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if (!(n = array.length)) return; |
|
if ((p = +p) <= 0 || n < 2) return +f(array[0], 0, array); |
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if (p >= 1) return +f(array[n - 1], n - 1, array); |
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var n, |
|
h = (n - 1) * p, |
|
i = Math.floor(h), |
|
a = +f(array[i], i, array), |
|
b = +f(array[i + 1], i + 1, array); |
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return a + (b - a) * (h - i); |
|
} |
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|
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function freedmanDiaconis(values, min, max) { |
|
values = map.call(values, number).sort(ascending); |
|
return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); |
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} |
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|
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function scott(values, min, max) { |
|
return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); |
|
} |
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|
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function max(array, f) { |
|
var i = -1, |
|
n = array.length, |
|
a, |
|
b; |
|
|
|
if (f == null) { |
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while (++i < n) if ((b = array[i]) != null && b >= b) { a = b; break; } |
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while (++i < n) if ((b = array[i]) != null && b > a) a = b; |
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} |
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|
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else { |
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while (++i < n) if ((b = f(array[i], i, array)) != null && b >= b) { a = b; break; } |
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while (++i < n) if ((b = f(array[i], i, array)) != null && b > a) a = b; |
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} |
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|
|
return a; |
|
} |
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|
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function mean(array, f) { |
|
var s = 0, |
|
n = array.length, |
|
a, |
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i = -1, |
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j = n; |
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|
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if (f == null) { |
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while (++i < n) if (!isNaN(a = number(array[i]))) s += a; else --j; |
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} |
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|
|
else { |
|
while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) s += a; else --j; |
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} |
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|
|
if (j) return s / j; |
|
} |
|
|
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function median(array, f) { |
|
var numbers = [], |
|
n = array.length, |
|
a, |
|
i = -1; |
|
|
|
if (f == null) { |
|
while (++i < n) if (!isNaN(a = number(array[i]))) numbers.push(a); |
|
} |
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|
|
else { |
|
while (++i < n) if (!isNaN(a = number(f(array[i], i, array)))) numbers.push(a); |
|
} |
|
|
|
return threshold(numbers.sort(ascending), 0.5); |
|
} |
|
|
|
function merge(arrays) { |
|
var n = arrays.length, |
|
m, |
|
i = -1, |
|
j = 0, |
|
merged, |
|
array; |
|
|
|
while (++i < n) j += arrays[i].length; |
|
merged = new Array(j); |
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|
|
while (--n >= 0) { |
|
array = arrays[n]; |
|
m = array.length; |
|
while (--m >= 0) { |
|
merged[--j] = array[m]; |
|
} |
|
} |
|
|
|
return merged; |
|
} |
|
|
|
function min(array, f) { |
|
var i = -1, |
|
n = array.length, |
|
a, |
|
b; |
|
|
|
if (f == null) { |
|
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(array[i], i, array)) != null && b >= b) { a = b; break; } |
|
while (++i < n) if ((b = f(array[i], i, array)) != null && a > b) a = b; |
|
} |
|
|
|
return a; |
|
} |
|
|
|
function pairs(array) { |
|
var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); |
|
while (i < n) pairs[i] = [p, p = array[++i]]; |
|
return pairs; |
|
} |
|
|
|
function permute(array, indexes) { |
|
var i = indexes.length, permutes = new Array(i); |
|
while (i--) permutes[i] = array[indexes[i]]; |
|
return permutes; |
|
} |
|
|
|
function scan(array, compare) { |
|
if (!(n = array.length)) return; |
|
var i = 0, |
|
n, |
|
j = 0, |
|
xi, |
|
xj = array[j]; |
|
|
|
if (!compare) compare = ascending; |
|
|
|
while (++i < n) if (compare(xi = array[i], xj) < 0 || compare(xj, xj) !== 0) xj = xi, j = i; |
|
|
|
if (compare(xj, xj) === 0) return j; |
|
} |
|
|
|
function shuffle(array, i0, i1) { |
|
var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +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; |
|
} |
|
|
|
function sum(array, f) { |
|
var s = 0, |
|
n = array.length, |
|
a, |
|
i = -1; |
|
|
|
if (f == null) { |
|
while (++i < n) if (a = +array[i]) s += a; // Note: zero and null are equivalent. |
|
} |
|
|
|
else { |
|
while (++i < n) if (a = +f(array[i], i, array)) s += a; |
|
} |
|
|
|
return s; |
|
} |
|
|
|
function transpose(matrix) { |
|
if (!(n = matrix.length)) return []; |
|
for (var i = -1, m = min(matrix, length), 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 length(d) { |
|
return d.length; |
|
} |
|
|
|
function zip() { |
|
return transpose(arguments); |
|
} |
|
|
|
var prefix = "$"; |
|
|
|
function Map() {} |
|
|
|
Map.prototype = map$1.prototype = { |
|
constructor: Map, |
|
has: function(key) { |
|
return (prefix + key) in this; |
|
}, |
|
get: function(key) { |
|
return this[prefix + key]; |
|
}, |
|
set: function(key, value) { |
|
this[prefix + key] = value; |
|
return this; |
|
}, |
|
remove: function(key) { |
|
var property = prefix + key; |
|
return property in this && delete this[property]; |
|
}, |
|
clear: function() { |
|
for (var property in this) if (property[0] === prefix) delete this[property]; |
|
}, |
|
keys: function() { |
|
var keys = []; |
|
for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); |
|
return keys; |
|
}, |
|
values: function() { |
|
var values = []; |
|
for (var property in this) if (property[0] === prefix) values.push(this[property]); |
|
return values; |
|
}, |
|
entries: function() { |
|
var entries = []; |
|
for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); |
|
return entries; |
|
}, |
|
size: function() { |
|
var size = 0; |
|
for (var property in this) if (property[0] === prefix) ++size; |
|
return size; |
|
}, |
|
empty: function() { |
|
for (var property in this) if (property[0] === prefix) return false; |
|
return true; |
|
}, |
|
each: function(f) { |
|
for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); |
|
} |
|
}; |
|
|
|
function map$1(object, f) { |
|
var map = new Map; |
|
|
|
// Copy constructor. |
|
if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); |
|
|
|
// Index array by numeric index or specified key function. |
|
else if (Array.isArray(object)) { |
|
var i = -1, |
|
n = object.length, |
|
o; |
|
|
|
if (f == null) while (++i < n) map.set(i, object[i]); |
|
else while (++i < n) map.set(f(o = object[i], i, object), o); |
|
} |
|
|
|
// Convert object to map. |
|
else if (object) for (var key in object) map.set(key, object[key]); |
|
|
|
return map; |
|
} |
|
|
|
function nest() { |
|
var keys = [], |
|
sortKeys = [], |
|
sortValues, |
|
rollup, |
|
nest; |
|
|
|
function apply(array, depth, createResult, setResult) { |
|
if (depth >= keys.length) return rollup != null |
|
? rollup(array) : (sortValues != null |
|
? array.sort(sortValues) |
|
: array); |
|
|
|
var i = -1, |
|
n = array.length, |
|
key = keys[depth++], |
|
keyValue, |
|
value, |
|
valuesByKey = map$1(), |
|
values, |
|
result = createResult(); |
|
|
|
while (++i < n) { |
|
if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { |
|
values.push(value); |
|
} else { |
|
valuesByKey.set(keyValue, [value]); |
|
} |
|
} |
|
|
|
valuesByKey.each(function(values, key) { |
|
setResult(result, key, apply(values, depth, createResult, setResult)); |
|
}); |
|
|
|
return result; |
|
} |
|
|
|
function entries(map, depth) { |
|
if (++depth > keys.length) return map; |
|
var array, sortKey = sortKeys[depth - 1]; |
|
if (rollup != null && depth >= keys.length) array = map.entries(); |
|
else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); |
|
return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; |
|
} |
|
|
|
return nest = { |
|
object: function(array) { return apply(array, 0, createObject, setObject); }, |
|
map: function(array) { return apply(array, 0, createMap, setMap); }, |
|
entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, |
|
key: function(d) { keys.push(d); return nest; }, |
|
sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, |
|
sortValues: function(order) { sortValues = order; return nest; }, |
|
rollup: function(f) { rollup = f; return nest; } |
|
}; |
|
} |
|
|
|
function createObject() { |
|
return {}; |
|
} |
|
|
|
function setObject(object, key, value) { |
|
object[key] = value; |
|
} |
|
|
|
function createMap() { |
|
return map$1(); |
|
} |
|
|
|
function setMap(map, key, value) { |
|
map.set(key, value); |
|
} |
|
|
|
function Set() {} |
|
|
|
var proto = map$1.prototype; |
|
|
|
Set.prototype = set.prototype = { |
|
constructor: Set, |
|
has: proto.has, |
|
add: function(value) { |
|
value += ""; |
|
this[prefix + value] = value; |
|
return this; |
|
}, |
|
remove: proto.remove, |
|
clear: proto.clear, |
|
values: proto.keys, |
|
size: proto.size, |
|
empty: proto.empty, |
|
each: proto.each |
|
}; |
|
|
|
function set(object, f) { |
|
var set = new Set; |
|
|
|
// Copy constructor. |
|
if (object instanceof Set) object.each(function(value) { set.add(value); }); |
|
|
|
// Otherwise, assume it’s an array. |
|
else if (object) { |
|
var i = -1, n = object.length; |
|
if (f == null) while (++i < n) set.add(object[i]); |
|
else while (++i < n) set.add(f(object[i], i, object)); |
|
} |
|
|
|
return set; |
|
} |
|
|
|
function d3keys(map) { |
|
var keys = []; |
|
for (var key in map) keys.push(key); |
|
return keys; |
|
} |
|
|
|
function values(map) { |
|
var values = []; |
|
for (var key in map) values.push(map[key]); |
|
return values; |
|
} |
|
|
|
function entries(map) { |
|
var entries = []; |
|
for (var key in map) entries.push({key: key, value: map[key]}); |
|
return entries; |
|
} |
|
|
|
function uniform(min, max) { |
|
min = min == null ? 0 : +min; |
|
max = max == null ? 1 : +max; |
|
if (arguments.length === 1) max = min, min = 0; |
|
else max -= min; |
|
return function() { |
|
return Math.random() * max + min; |
|
}; |
|
} |
|
|
|
function normal(mu, sigma) { |
|
var x, r; |
|
mu = mu == null ? 0 : +mu; |
|
sigma = sigma == null ? 1 : +sigma; |
|
return function() { |
|
var y; |
|
|
|
// If available, use the second previously-generated uniform random. |
|
if (x != null) y = x, x = null; |
|
|
|
// Otherwise, generate a new x and y. |
|
else do { |
|
x = Math.random() * 2 - 1; |
|
y = Math.random() * 2 - 1; |
|
r = x * x + y * y; |
|
} while (!r || r > 1); |
|
|
|
return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); |
|
}; |
|
} |
|
|
|
function logNormal() { |
|
var randomNormal = normal.apply(this, arguments); |
|
return function() { |
|
return Math.exp(randomNormal()); |
|
}; |
|
} |
|
|
|
function irwinHall(n) { |
|
return function() { |
|
for (var sum = 0, i = 0; i < n; ++i) sum += Math.random(); |
|
return sum; |
|
}; |
|
} |
|
|
|
function bates(n) { |
|
var randomIrwinHall = irwinHall(n); |
|
return function() { |
|
return randomIrwinHall() / n; |
|
}; |
|
} |
|
|
|
function exponential(lambda) { |
|
return function() { |
|
return -Math.log(1 - Math.random()) / lambda; |
|
}; |
|
} |
|
|
|
function linear(t) { |
|
return +t; |
|
} |
|
|
|
function quadIn(t) { |
|
return t * t; |
|
} |
|
|
|
function quadOut(t) { |
|
return t * (2 - t); |
|
} |
|
|
|
function quadInOut(t) { |
|
return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; |
|
} |
|
|
|
function cubicIn(t) { |
|
return t * t * t; |
|
} |
|
|
|
function cubicOut(t) { |
|
return --t * t * t + 1; |
|
} |
|
|
|
function easeCubicInOut(t) { |
|
return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; |
|
} |
|
|
|
var exponent = 3; |
|
|
|
var polyIn = (function custom(e) { |
|
e = +e; |
|
|
|
function polyIn(t) { |
|
return Math.pow(t, e); |
|
} |
|
|
|
polyIn.exponent = custom; |
|
|
|
return polyIn; |
|
})(exponent); |
|
|
|
var polyOut = (function custom(e) { |
|
e = +e; |
|
|
|
function polyOut(t) { |
|
return 1 - Math.pow(1 - t, e); |
|
} |
|
|
|
polyOut.exponent = custom; |
|
|
|
return polyOut; |
|
})(exponent); |
|
|
|
var polyInOut = (function custom(e) { |
|
e = +e; |
|
|
|
function polyInOut(t) { |
|
return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; |
|
} |
|
|
|
polyInOut.exponent = custom; |
|
|
|
return polyInOut; |
|
})(exponent); |
|
|
|
var pi = Math.PI; |
|
var halfPi = pi / 2; |
|
function sinIn(t) { |
|
return 1 - Math.cos(t * halfPi); |
|
} |
|
|
|
function sinOut(t) { |
|
return Math.sin(t * halfPi); |
|
} |
|
|
|
function sinInOut(t) { |
|
return (1 - Math.cos(pi * t)) / 2; |
|
} |
|
|
|
function expIn(t) { |
|
return Math.pow(2, 10 * t - 10); |
|
} |
|
|
|
function expOut(t) { |
|
return 1 - Math.pow(2, -10 * t); |
|
} |
|
|
|
function expInOut(t) { |
|
return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; |
|
} |
|
|
|
function circleIn(t) { |
|
return 1 - Math.sqrt(1 - t * t); |
|
} |
|
|
|
function circleOut(t) { |
|
return Math.sqrt(1 - --t * t); |
|
} |
|
|
|
function circleInOut(t) { |
|
return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; |
|
} |
|
|
|
var b1 = 4 / 11; |
|
var b2 = 6 / 11; |
|
var b3 = 8 / 11; |
|
var b4 = 3 / 4; |
|
var b5 = 9 / 11; |
|
var b6 = 10 / 11; |
|
var b7 = 15 / 16; |
|
var b8 = 21 / 22; |
|
var b9 = 63 / 64; |
|
var b0 = 1 / b1 / b1; |
|
function bounceIn(t) { |
|
return 1 - bounceOut(1 - t); |
|
} |
|
|
|
function bounceOut(t) { |
|
return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9; |
|
} |
|
|
|
function bounceInOut(t) { |
|
return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; |
|
} |
|
|
|
var overshoot = 1.70158; |
|
|
|
var backIn = (function custom(s) { |
|
s = +s; |
|
|
|
function backIn(t) { |
|
return t * t * ((s + 1) * t - s); |
|
} |
|
|
|
backIn.overshoot = custom; |
|
|
|
return backIn; |
|
})(overshoot); |
|
|
|
var backOut = (function custom(s) { |
|
s = +s; |
|
|
|
function backOut(t) { |
|
return --t * t * ((s + 1) * t + s) + 1; |
|
} |
|
|
|
backOut.overshoot = custom; |
|
|
|
return backOut; |
|
})(overshoot); |
|
|
|
var backInOut = (function custom(s) { |
|
s = +s; |
|
|
|
function backInOut(t) { |
|
return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; |
|
} |
|
|
|
backInOut.overshoot = custom; |
|
|
|
return backInOut; |
|
})(overshoot); |
|
|
|
var tau = 2 * Math.PI; |
|
var amplitude = 1; |
|
var period = 0.3; |
|
var elasticIn = (function custom(a, p) { |
|
var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); |
|
|
|
function elasticIn(t) { |
|
return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); |
|
} |
|
|
|
elasticIn.amplitude = function(a) { return custom(a, p * tau); }; |
|
elasticIn.period = function(p) { return custom(a, p); }; |
|
|
|
return elasticIn; |
|
})(amplitude, period); |
|
|
|
var elasticOut = (function custom(a, p) { |
|
var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); |
|
|
|
function elasticOut(t) { |
|
return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); |
|
} |
|
|
|
elasticOut.amplitude = function(a) { return custom(a, p * tau); }; |
|
elasticOut.period = function(p) { return custom(a, p); }; |
|
|
|
return elasticOut; |
|
})(amplitude, period); |
|
|
|
var elasticInOut = (function custom(a, p) { |
|
var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); |
|
|
|
function elasticInOut(t) { |
|
return ((t = t * 2 - 1) < 0 |
|
? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) |
|
: 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; |
|
} |
|
|
|
elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; |
|
elasticInOut.period = function(p) { return custom(a, p); }; |
|
|
|
return elasticInOut; |
|
})(amplitude, period); |
|
|
|
function area(polygon) { |
|
var i = -1, |
|
n = polygon.length, |
|
a, |
|
b = polygon[n - 1], |
|
area = 0; |
|
|
|
while (++i < n) { |
|
a = b; |
|
b = polygon[i]; |
|
area += a[1] * b[0] - a[0] * b[1]; |
|
} |
|
|
|
return area / 2; |
|
} |
|
|
|
function centroid(polygon) { |
|
var i = -1, |
|
n = polygon.length, |
|
x = 0, |
|
y = 0, |
|
a, |
|
b = polygon[n - 1], |
|
c, |
|
k = 0; |
|
|
|
while (++i < n) { |
|
a = b; |
|
b = polygon[i]; |
|
k += c = a[0] * b[1] - b[0] * a[1]; |
|
x += (a[0] + b[0]) * c; |
|
y += (a[1] + b[1]) * c; |
|
} |
|
|
|
return k *= 3, [x / k, y / k]; |
|
} |
|
|
|
// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of |
|
// the 3D cross product in a quadrant I Cartesian coordinate system (+x is |
|
// right, +y is up). Returns a positive value if ABC is counter-clockwise, |
|
// negative if clockwise, and zero if the points are collinear. |
|
function cross(a, b, c) { |
|
return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); |
|
} |
|
|
|
function lexicographicOrder(a, b) { |
|
return a[0] - b[0] || a[1] - b[1]; |
|
} |
|
|
|
// Computes the upper convex hull per the monotone chain algorithm. |
|
// Assumes points.length >= 3, is sorted by x, unique in y. |
|
// Returns an array of indices into points in left-to-right order. |
|
function computeUpperHullIndexes(points) { |
|
var n = points.length, |
|
indexes = [0, 1], |
|
size = 2; |
|
|
|
for (var i = 2; i < n; ++i) { |
|
while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; |
|
indexes[size++] = i; |
|
} |
|
|
|
return indexes.slice(0, size); // remove popped points |
|
} |
|
|
|
function hull(points) { |
|
if ((n = points.length) < 3) return null; |
|
|
|
var i, |
|
n, |
|
sortedPoints = new Array(n), |
|
flippedPoints = new Array(n); |
|
|
|
for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; |
|
sortedPoints.sort(lexicographicOrder); |
|
for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; |
|
|
|
var upperIndexes = computeUpperHullIndexes(sortedPoints), |
|
lowerIndexes = computeUpperHullIndexes(flippedPoints); |
|
|
|
// Construct the hull polygon, removing possible duplicate endpoints. |
|
var skipLeft = lowerIndexes[0] === upperIndexes[0], |
|
skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], |
|
hull = []; |
|
|
|
// Add upper hull in right-to-l order. |
|
// Then add lower hull in left-to-right order. |
|
for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); |
|
for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); |
|
|
|
return hull; |
|
} |
|
|
|
function contains(polygon, point) { |
|
var n = polygon.length, |
|
p = polygon[n - 1], |
|
x = point[0], y = point[1], |
|
x0 = p[0], y0 = p[1], |
|
x1, y1, |
|
inside = false; |
|
|
|
for (var i = 0; i < n; ++i) { |
|
p = polygon[i], x1 = p[0], y1 = p[1]; |
|
if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; |
|
x0 = x1, y0 = y1; |
|
} |
|
|
|
return inside; |
|
} |
|
|
|
function length$1(polygon) { |
|
var i = -1, |
|
n = polygon.length, |
|
b = polygon[n - 1], |
|
xa, |
|
ya, |
|
xb = b[0], |
|
yb = b[1], |
|
perimeter = 0; |
|
|
|
while (++i < n) { |
|
xa = xb; |
|
ya = yb; |
|
b = polygon[i]; |
|
xb = b[0]; |
|
yb = b[1]; |
|
xa -= xb; |
|
ya -= yb; |
|
perimeter += Math.sqrt(xa * xa + ya * ya); |
|
} |
|
|
|
return perimeter; |
|
} |
|
|
|
var pi$1 = Math.PI; |
|
var tau$1 = 2 * pi$1; |
|
var epsilon = 1e-6; |
|
var tauEpsilon = tau$1 - epsilon; |
|
function Path() { |
|
this._x0 = this._y0 = // start of current subpath |
|
this._x1 = this._y1 = null; // end of current subpath |
|
this._ = []; |
|
} |
|
|
|
function path() { |
|
return new Path; |
|
} |
|
|
|
Path.prototype = path.prototype = { |
|
constructor: Path, |
|
moveTo: function(x, y) { |
|
this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y); |
|
}, |
|
closePath: function() { |
|
if (this._x1 !== null) { |
|
this._x1 = this._x0, this._y1 = this._y0; |
|
this._.push("Z"); |
|
} |
|
}, |
|
lineTo: function(x, y) { |
|
this._.push("L", this._x1 = +x, ",", this._y1 = +y); |
|
}, |
|
quadraticCurveTo: function(x1, y1, x, y) { |
|
this._.push("Q", +x1, ",", +y1, ",", this._x1 = +x, ",", this._y1 = +y); |
|
}, |
|
bezierCurveTo: function(x1, y1, x2, y2, x, y) { |
|
this._.push("C", +x1, ",", +y1, ",", +x2, ",", +y2, ",", this._x1 = +x, ",", this._y1 = +y); |
|
}, |
|
arcTo: function(x1, y1, x2, y2, r) { |
|
x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; |
|
var x0 = this._x1, |
|
y0 = this._y1, |
|
x21 = x2 - x1, |
|
y21 = y2 - y1, |
|
x01 = x0 - x1, |
|
y01 = y0 - y1, |
|
l01_2 = x01 * x01 + y01 * y01; |
|
|
|
// Is the radius negative? Error. |
|
if (r < 0) throw new Error("negative radius: " + r); |
|
|
|
// Is this path empty? Move to (x1,y1). |
|
if (this._x1 === null) { |
|
this._.push( |
|
"M", this._x1 = x1, ",", this._y1 = y1 |
|
); |
|
} |
|
|
|
// Or, is (x1,y1) coincident with (x0,y0)? Do nothing. |
|
else if (!(l01_2 > epsilon)); |
|
|
|
// Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? |
|
// Equivalently, is (x1,y1) coincident with (x2,y2)? |
|
// Or, is the radius zero? Line to (x1,y1). |
|
else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) { |
|
this._.push( |
|
"L", this._x1 = x1, ",", this._y1 = y1 |
|
); |
|
} |
|
|
|
// Otherwise, draw an arc! |
|
else { |
|
var x20 = x2 - x0, |
|
y20 = y2 - y0, |
|
l21_2 = x21 * x21 + y21 * y21, |
|
l20_2 = x20 * x20 + y20 * y20, |
|
l21 = Math.sqrt(l21_2), |
|
l01 = Math.sqrt(l01_2), |
|
l = r * Math.tan((pi$1 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), |
|
t01 = l / l01, |
|
t21 = l / l21; |
|
|
|
// If the start tangent is not coincident with (x0,y0), line to. |
|
if (Math.abs(t01 - 1) > epsilon) { |
|
this._.push( |
|
"L", x1 + t01 * x01, ",", y1 + t01 * y01 |
|
); |
|
} |
|
|
|
this._.push( |
|
"A", r, ",", r, ",0,0,", +(y01 * x20 > x01 * y20), ",", this._x1 = x1 + t21 * x21, ",", this._y1 = y1 + t21 * y21 |
|
); |
|
} |
|
}, |
|
arc: function(x, y, r, a0, a1, ccw) { |
|
x = +x, y = +y, r = +r; |
|
var dx = r * Math.cos(a0), |
|
dy = r * Math.sin(a0), |
|
x0 = x + dx, |
|
y0 = y + dy, |
|
cw = 1 ^ ccw, |
|
da = ccw ? a0 - a1 : a1 - a0; |
|
|
|
// Is the radius negative? Error. |
|
if (r < 0) throw new Error("negative radius: " + r); |
|
|
|
// Is this path empty? Move to (x0,y0). |
|
if (this._x1 === null) { |
|
this._.push( |
|
"M", x0, ",", y0 |
|
); |
|
} |
|
|
|
// Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). |
|
else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) { |
|
this._.push( |
|
"L", x0, ",", y0 |
|
); |
|
} |
|
|
|
// Is this arc empty? We’re done. |
|
if (!r) return; |
|
|
|
// Is this a complete circle? Draw two arcs to complete the circle. |
|
if (da > tauEpsilon) { |
|
this._.push( |
|
"A", r, ",", r, ",0,1,", cw, ",", x - dx, ",", y - dy, |
|
"A", r, ",", r, ",0,1,", cw, ",", this._x1 = x0, ",", this._y1 = y0 |
|
); |
|
} |
|
|
|
// Otherwise, draw an arc! |
|
else { |
|
if (da < 0) da = da % tau$1 + tau$1; |
|
this._.push( |
|
"A", r, ",", r, ",0,", +(da >= pi$1), ",", cw, ",", this._x1 = x + r * Math.cos(a1), ",", this._y1 = y + r * Math.sin(a1) |
|
); |
|
} |
|
}, |
|
rect: function(x, y, w, h) { |
|
this._.push("M", this._x0 = this._x1 = +x, ",", this._y0 = this._y1 = +y, "h", +w, "v", +h, "h", -w, "Z"); |
|
}, |
|
toString: function() { |
|
return this._.join(""); |
|
} |
|
}; |
|
|
|
function tree_add(d) { |
|
var x = +this._x.call(null, d), |
|
y = +this._y.call(null, d); |
|
return add(this.cover(x, y), x, y, d); |
|
} |
|
|
|
function add(tree, x, y, d) { |
|
if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points |
|
|
|
var parent, |
|
node = tree._root, |
|
leaf = {data: d}, |
|
x0 = tree._x0, |
|
y0 = tree._y0, |
|
x1 = tree._x1, |
|
y1 = tree._y1, |
|
xm, |
|
ym, |
|
xp, |
|
yp, |
|
right, |
|
bottom, |
|
i, |
|
j; |
|
|
|
// If the tree is empty, initialize the root as a leaf. |
|
if (!node) return tree._root = leaf, tree; |
|
|
|
// Find the existing leaf for the new point, or add it. |
|
while (node.length) { |
|
if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; |
|
if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; |
|
if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; |
|
} |
|
|
|
// Is the new point is exactly coincident with the existing point? |
|
xp = +tree._x.call(null, node.data); |
|
yp = +tree._y.call(null, node.data); |
|
if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; |
|
|
|
// Otherwise, split the leaf node until the old and new point are separated. |
|
do { |
|
parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); |
|
if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; |
|
if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; |
|
} while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); |
|
return parent[j] = node, parent[i] = leaf, tree; |
|
} |
|
|
|
function addAll(data) { |
|
var d, i, n = data.length, |
|
x, |
|
y, |
|
xz = new Array(n), |
|
yz = new Array(n), |
|
x0 = Infinity, |
|
y0 = Infinity, |
|
x1 = -Infinity, |
|
y1 = -Infinity; |
|
|
|
// Compute the points and their extent. |
|
for (i = 0; i < n; ++i) { |
|
if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; |
|
xz[i] = x; |
|
yz[i] = y; |
|
if (x < x0) x0 = x; |
|
if (x > x1) x1 = x; |
|
if (y < y0) y0 = y; |
|
if (y > y1) y1 = y; |
|
} |
|
|
|
// If there were no (valid) points, inherit the existing extent. |
|
if (x1 < x0) x0 = this._x0, x1 = this._x1; |
|
if (y1 < y0) y0 = this._y0, y1 = this._y1; |
|
|
|
// Expand the tree to cover the new points. |
|
this.cover(x0, y0).cover(x1, y1); |
|
|
|
// Add the new points. |
|
for (i = 0; i < n; ++i) { |
|
add(this, xz[i], yz[i], data[i]); |
|
} |
|
|
|
return this; |
|
} |
|
|
|
function tree_cover(x, y) { |
|
if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points |
|
|
|
var x0 = this._x0, |
|
y0 = this._y0, |
|
x1 = this._x1, |
|
y1 = this._y1; |
|
|
|
// If the quadtree has no extent, initialize them. |
|
// Integer extent are necessary so that if we later double the extent, |
|
// the existing quadrant boundaries don’t change due to floating point error! |
|
if (isNaN(x0)) { |
|
x1 = (x0 = Math.floor(x)) + 1; |
|
y1 = (y0 = Math.floor(y)) + 1; |
|
} |
|
|
|
// Otherwise, double repeatedly to cover. |
|
else if (x0 > x || x > x1 || y0 > y || y > y1) { |
|
var z = x1 - x0, |
|
node = this._root, |
|
parent, |
|
i; |
|
|
|
switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { |
|
case 0: { |
|
do parent = new Array(4), parent[i] = node, node = parent; |
|
while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); |
|
break; |
|
} |
|
case 1: { |
|
do parent = new Array(4), parent[i] = node, node = parent; |
|
while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); |
|
break; |
|
} |
|
case 2: { |
|
do parent = new Array(4), parent[i] = node, node = parent; |
|
while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); |
|
break; |
|
} |
|
case 3: { |
|
do parent = new Array(4), parent[i] = node, node = parent; |
|
while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); |
|
break; |
|
} |
|
} |
|
|
|
if (this._root && this._root.length) this._root = node; |
|
} |
|
|
|
// If the quadtree covers the point already, just return. |
|
else return this; |
|
|
|
this._x0 = x0; |
|
this._y0 = y0; |
|
this._x1 = x1; |
|
this._y1 = y1; |
|
return this; |
|
} |
|
|
|
function tree_data() { |
|
var data = []; |
|
this.visit(function(node) { |
|
if (!node.length) do data.push(node.data); while (node = node.next) |
|
}); |
|
return data; |
|
} |
|
|
|
function tree_extent(_) { |
|
return arguments.length |
|
? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) |
|
: isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; |
|
} |
|
|
|
function Quad(node, x0, y0, x1, y1) { |
|
this.node = node; |
|
this.x0 = x0; |
|
this.y0 = y0; |
|
this.x1 = x1; |
|
this.y1 = y1; |
|
} |
|
|
|
function tree_find(x, y, radius) { |
|
var data, |
|
x0 = this._x0, |
|
y0 = this._y0, |
|
x1, |
|
y1, |
|
x2, |
|
y2, |
|
x3 = this._x1, |
|
y3 = this._y1, |
|
quads = [], |
|
node = this._root, |
|
q, |
|
i; |
|
|
|
if (node) quads.push(new Quad(node, x0, y0, x3, y3)); |
|
if (radius == null) radius = Infinity; |
|
else { |
|
x0 = x - radius, y0 = y - radius; |
|
x3 = x + radius, y3 = y + radius; |
|
radius *= radius; |
|
} |
|
|
|
while (q = quads.pop()) { |
|
|
|
// Stop searching if this quadrant can’t contain a closer node. |
|
if (!(node = q.node) |
|
|| (x1 = q.x0) > x3 |
|
|| (y1 = q.y0) > y3 |
|
|| (x2 = q.x1) < x0 |
|
|| (y2 = q.y1) < y0) continue; |
|
|
|
// Bisect the current quadrant. |
|
if (node.length) { |
|
var xm = (x1 + x2) / 2, |
|
ym = (y1 + y2) / 2; |
|
|
|
quads.push( |
|
new Quad(node[3], xm, ym, x2, y2), |
|
new Quad(node[2], x1, ym, xm, y2), |
|
new Quad(node[1], xm, y1, x2, ym), |
|
new Quad(node[0], x1, y1, xm, ym) |
|
); |
|
|
|
// Visit the closest quadrant first. |
|
if (i = (y >= ym) << 1 | (x >= xm)) { |
|
q = quads[quads.length - 1]; |
|
quads[quads.length - 1] = quads[quads.length - 1 - i]; |
|
quads[quads.length - 1 - i] = q; |
|
} |
|
} |
|
|
|
// Visit this point. (Visiting coincident points isn’t necessary!) |
|
else { |
|
var dx = x - +this._x.call(null, node.data), |
|
dy = y - +this._y.call(null, node.data), |
|
d2 = dx * dx + dy * dy; |
|
if (d2 < radius) { |
|
var d = Math.sqrt(radius = d2); |
|
x0 = x - d, y0 = y - d; |
|
x3 = x + d, y3 = y + d; |
|
data = node.data; |
|
} |
|
} |
|
} |
|
|
|
return data; |
|
} |
|
|
|
function tree_remove(d) { |
|
if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points |
|
|
|
var parent, |
|
node = this._root, |
|
retainer, |
|
previous, |
|
next, |
|
x0 = this._x0, |
|
y0 = this._y0, |
|
x1 = this._x1, |
|
y1 = this._y1, |
|
x, |
|
y, |
|
xm, |
|
ym, |
|
right, |
|
bottom, |
|
i, |
|
j; |
|
|
|
// If the tree is empty, initialize the root as a leaf. |
|
if (!node) return this; |
|
|
|
// Find the leaf node for the point. |
|
// While descending, also retain the deepest parent with a non-removed sibling. |
|
if (node.length) while (true) { |
|
if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; |
|
if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; |
|
if (!(parent = node, node = node[i = bottom << 1 | right])) return this; |
|
if (!node.length) break; |
|
if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; |
|
} |
|
|
|
// Find the point to remove. |
|
while (node.data !== d) if (!(previous = node, node = node.next)) return this; |
|
if (next = node.next) delete node.next; |
|
|
|
// If there are multiple coincident points, remove just the point. |
|
if (previous) return (next ? previous.next = next : delete previous.next), this; |
|
|
|
// If this is the root point, remove it. |
|
if (!parent) return this._root = next, this; |
|
|
|
// Remove this leaf. |
|
next ? parent[i] = next : delete parent[i]; |
|
|
|
// If the parent now contains exactly one leaf, collapse superfluous parents. |
|
if ((node = parent[0] || parent[1] || parent[2] || parent[3]) |
|
&& node === (parent[3] || parent[2] || parent[1] || parent[0]) |
|
&& !node.length) { |
|
if (retainer) retainer[j] = node; |
|
else this._root = node; |
|
} |
|
|
|
return this; |
|
} |
|
|
|
function removeAll(data) { |
|
for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); |
|
return this; |
|
} |
|
|
|
function tree_root() { |
|
return this._root; |
|
} |
|
|
|
function tree_size() { |
|
var size = 0; |
|
this.visit(function(node) { |
|
if (!node.length) do ++size; while (node = node.next) |
|
}); |
|
return size; |
|
} |
|
|
|
function tree_visit(callback) { |
|
var quads = [], q, node = this._root, child, x0, y0, x1, y1; |
|
if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); |
|
while (q = quads.pop()) { |
|
if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { |
|
var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; |
|
if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); |
|
if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); |
|
if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); |
|
if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); |
|
} |
|
} |
|
return this; |
|
} |
|
|
|
function tree_visitAfter(callback) { |
|
var quads = [], next = [], q; |
|
if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); |
|
while (q = quads.pop()) { |
|
var node = q.node; |
|
if (node.length) { |
|
var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; |
|
if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); |
|
if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); |
|
if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); |
|
if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); |
|
} |
|
next.push(q); |
|
} |
|
while (q = next.pop()) { |
|
callback(q.node, q.x0, q.y0, q.x1, q.y1); |
|
} |
|
return this; |
|
} |
|
|
|
function defaultX(d) { |
|
return d[0]; |
|
} |
|
|
|
function tree_x(_) { |
|
return arguments.length ? (this._x = _, this) : this._x; |
|
} |
|
|
|
function defaultY(d) { |
|
return d[1]; |
|
} |
|
|
|
function tree_y(_) { |
|
return arguments.length ? (this._y = _, this) : this._y; |
|
} |
|
|
|
function quadtree(nodes, x, y) { |
|
var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); |
|
return nodes == null ? tree : tree.addAll(nodes); |
|
} |
|
|
|
function Quadtree(x, y, x0, y0, x1, y1) { |
|
this._x = x; |
|
this._y = y; |
|
this._x0 = x0; |
|
this._y0 = y0; |
|
this._x1 = x1; |
|
this._y1 = y1; |
|
this._root = undefined; |
|
} |
|
|
|
function leaf_copy(leaf) { |
|
var copy = {data: leaf.data}, next = copy; |
|
while (leaf = leaf.next) next = next.next = {data: leaf.data}; |
|
return copy; |
|
} |
|
|
|
var treeProto = quadtree.prototype = Quadtree.prototype; |
|
|
|
treeProto.copy = function() { |
|
var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), |
|
node = this._root, |
|
nodes, |
|
child; |
|
|
|
if (!node) return copy; |
|
|
|
if (!node.length) return copy._root = leaf_copy(node), copy; |
|
|
|
nodes = [{source: node, target: copy._root = new Array(4)}]; |
|
while (node = nodes.pop()) { |
|
for (var i = 0; i < 4; ++i) { |
|
if (child = node.source[i]) { |
|
if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); |
|
else node.target[i] = leaf_copy(child); |
|
} |
|
} |
|
} |
|
|
|
return copy; |
|
}; |
|
|
|
treeProto.add = tree_add; |
|
treeProto.addAll = addAll; |
|
treeProto.cover = tree_cover; |
|
treeProto.data = tree_data; |
|
treeProto.extent = tree_extent; |
|
treeProto.find = tree_find; |
|
treeProto.remove = tree_remove; |
|
treeProto.removeAll = removeAll; |
|
treeProto.root = tree_root; |
|
treeProto.size = tree_size; |
|
treeProto.visit = tree_visit; |
|
treeProto.visitAfter = tree_visitAfter; |
|
treeProto.x = tree_x; |
|
treeProto.y = tree_y; |
|
|
|
var slice$1 = [].slice; |
|
|
|
var noabort = {}; |
|
|
|
function Queue(size) { |
|
if (!(size >= 1)) throw new Error; |
|
this._size = size; |
|
this._call = |
|
this._error = null; |
|
this._tasks = []; |
|
this._data = []; |
|
this._waiting = |
|
this._active = |
|
this._ended = |
|
this._start = 0; // inside a synchronous task callback? |
|
} |
|
|
|
Queue.prototype = queue.prototype = { |
|
constructor: Queue, |
|
defer: function(callback) { |
|
if (typeof callback !== "function" || this._call) throw new Error; |
|
if (this._error != null) return this; |
|
var t = slice$1.call(arguments, 1); |
|
t.push(callback); |
|
++this._waiting, this._tasks.push(t); |
|
poke(this); |
|
return this; |
|
}, |
|
abort: function() { |
|
if (this._error == null) abort(this, new Error("abort")); |
|
return this; |
|
}, |
|
await: function(callback) { |
|
if (typeof callback !== "function" || this._call) throw new Error; |
|
this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; |
|
maybeNotify(this); |
|
return this; |
|
}, |
|
awaitAll: function(callback) { |
|
if (typeof callback !== "function" || this._call) throw new Error; |
|
this._call = callback; |
|
maybeNotify(this); |
|
return this; |
|
} |
|
}; |
|
|
|
function poke(q) { |
|
if (!q._start) { |
|
try { start(q); } // let the current task complete |
|
catch (e) { |
|
if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously |
|
else if (!q._data) throw e; // await callback errored synchronously |
|
} |
|
} |
|
} |
|
|
|
function start(q) { |
|
while (q._start = q._waiting && q._active < q._size) { |
|
var i = q._ended + q._active, |
|
t = q._tasks[i], |
|
j = t.length - 1, |
|
c = t[j]; |
|
t[j] = end(q, i); |
|
--q._waiting, ++q._active; |
|
t = c.apply(null, t); |
|
if (!q._tasks[i]) continue; // task finished synchronously |
|
q._tasks[i] = t || noabort; |
|
} |
|
} |
|
|
|
function end(q, i) { |
|
return function(e, r) { |
|
if (!q._tasks[i]) return; // ignore multiple callbacks |
|
--q._active, ++q._ended; |
|
q._tasks[i] = null; |
|
if (q._error != null) return; // ignore secondary errors |
|
if (e != null) { |
|
abort(q, e); |
|
} else { |
|
q._data[i] = r; |
|
if (q._waiting) poke(q); |
|
else maybeNotify(q); |
|
} |
|
}; |
|
} |
|
|
|
function abort(q, e) { |
|
var i = q._tasks.length, t; |
|
q._error = e; // ignore active callbacks |
|
q._data = undefined; // allow gc |
|
q._waiting = NaN; // prevent starting |
|
|
|
while (--i >= 0) { |
|
if (t = q._tasks[i]) { |
|
q._tasks[i] = null; |
|
if (t.abort) { |
|
try { t.abort(); } |
|
catch (e) { /* ignore */ } |
|
} |
|
} |
|
} |
|
|
|
q._active = NaN; // allow notification |
|
maybeNotify(q); |
|
} |
|
|
|
function maybeNotify(q) { |
|
if (!q._active && q._call) { |
|
var d = q._data; |
|
q._data = undefined; // allow gc |
|
q._call(q._error, d); |
|
} |
|
} |
|
|
|
function queue(concurrency) { |
|
return new Queue(arguments.length ? +concurrency : Infinity); |
|
} |
|
|
|
function constant$1(x) { |
|
return function constant() { |
|
return x; |
|
}; |
|
} |
|
|
|
var epsilon$1 = 1e-12; |
|
var pi$2 = Math.PI; |
|
var halfPi$1 = pi$2 / 2; |
|
var tau$2 = 2 * pi$2; |
|
|
|
function arcInnerRadius(d) { |
|
return d.innerRadius; |
|
} |
|
|
|
function arcOuterRadius(d) { |
|
return d.outerRadius; |
|
} |
|
|
|
function arcStartAngle(d) { |
|
return d.startAngle; |
|
} |
|
|
|
function arcEndAngle(d) { |
|
return d.endAngle; |
|
} |
|
|
|
function arcPadAngle(d) { |
|
return d && d.padAngle; // Note: optional! |
|
} |
|
|
|
function asin(x) { |
|
return x >= 1 ? halfPi$1 : x <= -1 ? -halfPi$1 : Math.asin(x); |
|
} |
|
|
|
function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { |
|
var x10 = x1 - x0, y10 = y1 - y0, |
|
x32 = x3 - x2, y32 = y3 - y2, |
|
t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); |
|
return [x0 + t * x10, y0 + t * y10]; |
|
} |
|
|
|
// Compute perpendicular offset line of length rc. |
|
// http://mathworld.wolfram.com/Circle-LineIntersection.html |
|
function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { |
|
var x01 = x0 - x1, |
|
y01 = y0 - y1, |
|
lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), |
|
ox = lo * y01, |
|
oy = -lo * x01, |
|
x11 = x0 + ox, |
|
y11 = y0 + oy, |
|
x10 = x1 + ox, |
|
y10 = y1 + oy, |
|
x00 = (x11 + x10) / 2, |
|
y00 = (y11 + y10) / 2, |
|
dx = x10 - x11, |
|
dy = y10 - y11, |
|
d2 = dx * dx + dy * dy, |
|
r = r1 - rc, |
|
D = x11 * y10 - x10 * y11, |
|
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 - x00, |
|
dy0 = cy0 - y00, |
|
dx1 = cx1 - x00, |
|
dy1 = cy1 - y00; |
|
|
|
// Pick the closer of the two intersection points. |
|
// TODO Is there a faster way to determine which intersection to use? |
|
if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; |
|
|
|
return { |
|
cx: cx0, |
|
cy: cy0, |
|
x01: -ox, |
|
y01: -oy, |
|
x11: cx0 * (r1 / r - 1), |
|
y11: cy0 * (r1 / r - 1) |
|
}; |
|
} |
|
|
|
function arc() { |
|
var innerRadius = arcInnerRadius, |
|
outerRadius = arcOuterRadius, |
|
cornerRadius = constant$1(0), |
|
padRadius = null, |
|
startAngle = arcStartAngle, |
|
endAngle = arcEndAngle, |
|
padAngle = arcPadAngle, |
|
context = null; |
|
|
|
function arc() { |
|
var buffer, |
|
r, |
|
r0 = +innerRadius.apply(this, arguments), |
|
r1 = +outerRadius.apply(this, arguments), |
|
a0 = startAngle.apply(this, arguments) - halfPi$1, |
|
a1 = endAngle.apply(this, arguments) - halfPi$1, |
|
da = Math.abs(a1 - a0), |
|
cw = a1 > a0; |
|
|
|
if (!context) context = buffer = path(); |
|
|
|
// Ensure that the outer radius is always larger than the inner radius. |
|
if (r1 < r0) r = r1, r1 = r0, r0 = r; |
|
|
|
// Is it a point? |
|
if (!(r1 > epsilon$1)) context.moveTo(0, 0); |
|
|
|
// Or is it a circle or annulus? |
|
else if (da > tau$2 - epsilon$1) { |
|
context.moveTo(r1 * Math.cos(a0), r1 * Math.sin(a0)); |
|
context.arc(0, 0, r1, a0, a1, !cw); |
|
if (r0 > epsilon$1) { |
|
context.moveTo(r0 * Math.cos(a1), r0 * Math.sin(a1)); |
|
context.arc(0, 0, r0, a1, a0, cw); |
|
} |
|
} |
|
|
|
// Or is it a circular or annular sector? |
|
else { |
|
var a01 = a0, |
|
a11 = a1, |
|
a00 = a0, |
|
a10 = a1, |
|
da0 = da, |
|
da1 = da, |
|
ap = padAngle.apply(this, arguments) / 2, |
|
rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : Math.sqrt(r0 * r0 + r1 * r1)), |
|
rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), |
|
rc0 = rc, |
|
rc1 = rc, |
|
t0, |
|
t1; |
|
|
|
// Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. |
|
if (rp > epsilon$1) { |
|
var p0 = asin(rp / r0 * Math.sin(ap)), |
|
p1 = asin(rp / r1 * Math.sin(ap)); |
|
if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; |
|
else da0 = 0, a00 = a10 = (a0 + a1) / 2; |
|
if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; |
|
else da1 = 0, a01 = a11 = (a0 + a1) / 2; |
|
} |
|
|
|
var x01 = r1 * Math.cos(a01), |
|
y01 = r1 * Math.sin(a01), |
|
x10 = r0 * Math.cos(a10), |
|
y10 = r0 * Math.sin(a10); |
|
|
|
// Apply rounded corners? |
|
if (rc > epsilon$1) { |
|
var x11 = r1 * Math.cos(a11), |
|
y11 = r1 * Math.sin(a11), |
|
x00 = r0 * Math.cos(a00), |
|
y00 = r0 * Math.sin(a00); |
|
|
|
// Restrict the corner radius according to the sector angle. |
|
if (da < pi$2) { |
|
var oc = da0 > epsilon$1 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], |
|
ax = x01 - oc[0], |
|
ay = y01 - oc[1], |
|
bx = x11 - oc[0], |
|
by = y11 - 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)); |
|
} |
|
} |
|
|
|
// Is the sector collapsed to a line? |
|
if (!(da1 > epsilon$1)) context.moveTo(x01, y01); |
|
|
|
// Does the sector’s outer ring have rounded corners? |
|
else if (rc1 > epsilon$1) { |
|
t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); |
|
t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); |
|
|
|
context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); |
|
|
|
// Have the corners merged? |
|
if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); |
|
|
|
// Otherwise, draw the two corners and the ring. |
|
else { |
|
context.arc(t0.cx, t0.cy, rc1, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); |
|
context.arc(0, 0, r1, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw); |
|
context.arc(t1.cx, t1.cy, rc1, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); |
|
} |
|
} |
|
|
|
// Or is the outer ring just a circular arc? |
|
else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); |
|
|
|
// Is there no inner ring, and it’s a circular sector? |
|
// Or perhaps it’s an annular sector collapsed due to padding? |
|
if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10); |
|
|
|
// Does the sector’s inner ring (or point) have rounded corners? |
|
else if (rc0 > epsilon$1) { |
|
t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); |
|
t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); |
|
|
|
context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); |
|
|
|
// Have the corners merged? |
|
if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t1.y01, t1.x01), !cw); |
|
|
|
// Otherwise, draw the two corners and the ring. |
|
else { |
|
context.arc(t0.cx, t0.cy, rc0, Math.atan2(t0.y01, t0.x01), Math.atan2(t0.y11, t0.x11), !cw); |
|
context.arc(0, 0, r0, Math.atan2(t0.cy + t0.y11, t0.cx + t0.x11), Math.atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw); |
|
context.arc(t1.cx, t1.cy, rc0, Math.atan2(t1.y11, t1.x11), Math.atan2(t1.y01, t1.x01), !cw); |
|
} |
|
} |
|
|
|
// Or is the inner ring just a circular arc? |
|
else context.arc(0, 0, r0, a10, a00, cw); |
|
} |
|
|
|
context.closePath(); |
|
|
|
if (buffer) return context = null, buffer + "" || null; |
|
} |
|
|
|
arc.centroid = function() { |
|
var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, |
|
a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$2 / 2; |
|
return [Math.cos(a) * r, Math.sin(a) * r]; |
|
}; |
|
|
|
arc.innerRadius = function(_) { |
|
return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius; |
|
}; |
|
|
|
arc.outerRadius = function(_) { |
|
return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius; |
|
}; |
|
|
|
arc.cornerRadius = function(_) { |
|
return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius; |
|
}; |
|
|
|
arc.padRadius = function(_) { |
|
return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius; |
|
}; |
|
|
|
arc.startAngle = function(_) { |
|
return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle; |
|
}; |
|
|
|
arc.endAngle = function(_) { |
|
return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle; |
|
}; |
|
|
|
arc.padAngle = function(_) { |
|
return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle; |
|
}; |
|
|
|
arc.context = function(_) { |
|
return arguments.length ? ((context = _ == null ? null : _), arc) : context; |
|
}; |
|
|
|
return arc; |
|
} |
|
|
|
function Linear(context) { |
|
this._context = context; |
|
} |
|
|
|
Linear.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; // proceed |
|
default: this._context.lineTo(x, y); break; |
|
} |
|
} |
|
}; |
|
|
|
function curveLinear(context) { |
|
return new Linear(context); |
|
} |
|
|
|
function x(p) { |
|
return p[0]; |
|
} |
|
|
|
function y(p) { |
|
return p[1]; |
|
} |
|
|
|
function line() { |
|
var x$$ = x, |
|
y$$ = y, |
|
defined = constant$1(true), |
|
context = null, |
|
curve = curveLinear, |
|
output = null; |
|
|
|
function line(data) { |
|
var i, |
|
n = data.length, |
|
d, |
|
defined0 = false, |
|
buffer; |
|
|
|
if (context == null) output = curve(buffer = path()); |
|
|
|
for (i = 0; i <= n; ++i) { |
|
if (!(i < n && defined(d = data[i], i, data)) === defined0) { |
|
if (defined0 = !defined0) output.lineStart(); |
|
else output.lineEnd(); |
|
} |
|
if (defined0) output.point(+x$$(d, i, data), +y$$(d, i, data)); |
|
} |
|
|
|
if (buffer) return output = null, buffer + "" || null; |
|
} |
|
|
|
line.x = function(_) { |
|
return arguments.length ? (x$$ = typeof _ === "function" ? _ : constant$1(+_), line) : x$$; |
|
}; |
|
|
|
line.y = function(_) { |
|
return arguments.length ? (y$$ = typeof _ === "function" ? _ : constant$1(+_), line) : y$$; |
|
}; |
|
|
|
line.defined = function(_) { |
|
return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), line) : defined; |
|
}; |
|
|
|
line.curve = function(_) { |
|
return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; |
|
}; |
|
|
|
line.context = function(_) { |
|
return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; |
|
}; |
|
|
|
return line; |
|
} |
|
|
|
function area$1() { |
|
var x0 = x, |
|
x1 = null, |
|
y0 = constant$1(0), |
|
y1 = y, |
|
defined = constant$1(true), |
|
context = null, |
|
curve = curveLinear, |
|
output = null; |
|
|
|
function area(data) { |
|
var i, |
|
j, |
|
k, |
|
n = data.length, |
|
d, |
|
defined0 = false, |
|
buffer, |
|
x0z = new Array(n), |
|
y0z = new Array(n); |
|
|
|
if (context == null) output = curve(buffer = path()); |
|
|
|
for (i = 0; i <= n; ++i) { |
|
if (!(i < n && defined(d = data[i], i, data)) === defined0) { |
|
if (defined0 = !defined0) { |
|
j = i; |
|
output.areaStart(); |
|
output.lineStart(); |
|
} else { |
|
output.lineEnd(); |
|
output.lineStart(); |
|
for (k = i - 1; k >= j; --k) { |
|
output.point(x0z[k], y0z[k]); |
|
} |
|
output.lineEnd(); |
|
output.areaEnd(); |
|
} |
|
} |
|
if (defined0) { |
|
x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); |
|
output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); |
|
} |
|
} |
|
|
|
if (buffer) return output = null, buffer + "" || null; |
|
} |
|
|
|
function arealine() { |
|
return line().defined(defined).curve(curve).context(context); |
|
} |
|
|
|
area.x = function(_) { |
|
return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), x1 = null, area) : x0; |
|
}; |
|
|
|
area.x0 = function(_) { |
|
return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$1(+_), area) : x0; |
|
}; |
|
|
|
area.x1 = function(_) { |
|
return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : x1; |
|
}; |
|
|
|
area.y = function(_) { |
|
return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), y1 = null, area) : y0; |
|
}; |
|
|
|
area.y0 = function(_) { |
|
return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$1(+_), area) : y0; |
|
}; |
|
|
|
area.y1 = function(_) { |
|
return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), area) : y1; |
|
}; |
|
|
|
area.lineX0 = |
|
area.lineY0 = function() { |
|
return arealine().x(x0).y(y0); |
|
}; |
|
|
|
area.lineY1 = function() { |
|
return arealine().x(x0).y(y1); |
|
}; |
|
|
|
area.lineX1 = function() { |
|
return arealine().x(x1).y(y0); |
|
}; |
|
|
|
area.defined = function(_) { |
|
return arguments.length ? (defined = typeof _ === "function" ? _ : constant$1(!!_), area) : defined; |
|
}; |
|
|
|
area.curve = function(_) { |
|
return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; |
|
}; |
|
|
|
area.context = function(_) { |
|
return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; |
|
}; |
|
|
|
return area; |
|
} |
|
|
|
function descending$1(a, b) { |
|
return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; |
|
} |
|
|
|
function identity$1(d) { |
|
return d; |
|
} |
|
|
|
function pie() { |
|
var value = identity$1, |
|
sortValues = descending$1, |
|
sort = null, |
|
startAngle = constant$1(0), |
|
endAngle = constant$1(tau$2), |
|
padAngle = constant$1(0); |
|
|
|
function pie(data) { |
|
var i, |
|
n = data.length, |
|
j, |
|
k, |
|
sum = 0, |
|
index = new Array(n), |
|
arcs = new Array(n), |
|
a0 = +startAngle.apply(this, arguments), |
|
da = Math.min(tau$2, Math.max(-tau$2, endAngle.apply(this, arguments) - a0)), |
|
a1, |
|
p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), |
|
pa = p * (da < 0 ? -1 : 1), |
|
v; |
|
|
|
for (i = 0; i < n; ++i) { |
|
if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { |
|
sum += v; |
|
} |
|
} |
|
|
|
// Optionally sort the arcs by previously-computed values or by data. |
|
if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); |
|
else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); |
|
|
|
// Compute the arcs! They are stored in the original data's order. |
|
for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { |
|
j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { |
|
data: data[j], |
|
index: i, |
|
value: v, |
|
startAngle: a0, |
|
endAngle: a1, |
|
padAngle: p |
|
}; |
|
} |
|
|
|
return arcs; |
|
} |
|
|
|
pie.value = function(_) { |
|
return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), pie) : value; |
|
}; |
|
|
|
pie.sortValues = function(_) { |
|
return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; |
|
}; |
|
|
|
pie.sort = function(_) { |
|
return arguments.length ? (sort = _, sortValues = null, pie) : sort; |
|
}; |
|
|
|
pie.startAngle = function(_) { |
|
return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : startAngle; |
|
}; |
|
|
|
pie.endAngle = function(_) { |
|
return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : endAngle; |
|
}; |
|
|
|
pie.padAngle = function(_) { |
|
return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), pie) : padAngle; |
|
}; |
|
|
|
return pie; |
|
} |
|
|
|
var curveRadialLinear = curveRadial(curveLinear); |
|
|
|
function Radial(curve) { |
|
this._curve = curve; |
|
} |
|
|
|
Radial.prototype = { |
|
areaStart: function() { |
|
this._curve.areaStart(); |
|
}, |
|
areaEnd: function() { |
|
this._curve.areaEnd(); |
|
}, |
|
lineStart: function() { |
|
this._curve.lineStart(); |
|
}, |
|
lineEnd: function() { |
|
this._curve.lineEnd(); |
|
}, |
|
point: function(a, r) { |
|
this._curve.point(r * Math.sin(a), r * -Math.cos(a)); |
|
} |
|
}; |
|
|
|
function curveRadial(curve) { |
|
|
|
function radial(context) { |
|
return new Radial(curve(context)); |
|
} |
|
|
|
radial._curve = curve; |
|
|
|
return radial; |
|
} |
|
|
|
function radialLine(l) { |
|
var c = l.curve; |
|
|
|
l.angle = l.x, delete l.x; |
|
l.radius = l.y, delete l.y; |
|
|
|
l.curve = function(_) { |
|
return arguments.length ? c(curveRadial(_)) : c()._curve; |
|
}; |
|
|
|
return l; |
|
} |
|
|
|
function radialLine$1() { |
|
return radialLine(line().curve(curveRadialLinear)); |
|
} |
|
|
|
function radialArea() { |
|
var a = area$1().curve(curveRadialLinear), |
|
c = a.curve, |
|
x0 = a.lineX0, |
|
x1 = a.lineX1, |
|
y0 = a.lineY0, |
|
y1 = a.lineY1; |
|
|
|
a.angle = a.x, delete a.x; |
|
a.startAngle = a.x0, delete a.x0; |
|
a.endAngle = a.x1, delete a.x1; |
|
a.radius = a.y, delete a.y; |
|
a.innerRadius = a.y0, delete a.y0; |
|
a.outerRadius = a.y1, delete a.y1; |
|
a.lineStartAngle = function() { return radialLine(x0()); }, delete a.lineX0; |
|
a.lineEndAngle = function() { return radialLine(x1()); }, delete a.lineX1; |
|
a.lineInnerRadius = function() { return radialLine(y0()); }, delete a.lineY0; |
|
a.lineOuterRadius = function() { return radialLine(y1()); }, delete a.lineY1; |
|
|
|
a.curve = function(_) { |
|
return arguments.length ? c(curveRadial(_)) : c()._curve; |
|
}; |
|
|
|
return a; |
|
} |
|
|
|
var circle = { |
|
draw: function(context, size) { |
|
var r = Math.sqrt(size / pi$2); |
|
context.moveTo(r, 0); |
|
context.arc(0, 0, r, 0, tau$2); |
|
} |
|
}; |
|
|
|
var cross$1 = { |
|
draw: function(context, size) { |
|
var r = Math.sqrt(size / 5) / 2; |
|
context.moveTo(-3 * r, -r); |
|
context.lineTo(-r, -r); |
|
context.lineTo(-r, -3 * r); |
|
context.lineTo(r, -3 * r); |
|
context.lineTo(r, -r); |
|
context.lineTo(3 * r, -r); |
|
context.lineTo(3 * r, r); |
|
context.lineTo(r, r); |
|
context.lineTo(r, 3 * r); |
|
context.lineTo(-r, 3 * r); |
|
context.lineTo(-r, r); |
|
context.lineTo(-3 * r, r); |
|
context.closePath(); |
|
} |
|
}; |
|
|
|
var tan30 = Math.sqrt(1 / 3); |
|
var tan30_2 = tan30 * 2; |
|
var diamond = { |
|
draw: function(context, size) { |
|
var y = Math.sqrt(size / tan30_2), |
|
x = y * tan30; |
|
context.moveTo(0, -y); |
|
context.lineTo(x, 0); |
|
context.lineTo(0, y); |
|
context.lineTo(-x, 0); |
|
context.closePath(); |
|
} |
|
}; |
|
|
|
var ka = 0.89081309152928522810; |
|
var kr = Math.sin(pi$2 / 10) / Math.sin(7 * pi$2 / 10); |
|
var kx = Math.sin(tau$2 / 10) * kr; |
|
var ky = -Math.cos(tau$2 / 10) * kr; |
|
var star = { |
|
draw: function(context, size) { |
|
var r = Math.sqrt(size * ka), |
|
x = kx * r, |
|
y = ky * r; |
|
context.moveTo(0, -r); |
|
context.lineTo(x, y); |
|
for (var i = 1; i < 5; ++i) { |
|
var a = tau$2 * i / 5, |
|
c = Math.cos(a), |
|
s = Math.sin(a); |
|
context.lineTo(s * r, -c * r); |
|
context.lineTo(c * x - s * y, s * x + c * y); |
|
} |
|
context.closePath(); |
|
} |
|
}; |
|
|
|
var square = { |
|
draw: function(context, size) { |
|
var w = Math.sqrt(size), |
|
x = -w / 2; |
|
context.rect(x, x, w, w); |
|
} |
|
}; |
|
|
|
var sqrt3 = Math.sqrt(3); |
|
|
|
var triangle = { |
|
draw: function(context, size) { |
|
var y = -Math.sqrt(size / (sqrt3 * 3)); |
|
context.moveTo(0, y * 2); |
|
context.lineTo(-sqrt3 * y, -y); |
|
context.lineTo(sqrt3 * y, -y); |
|
context.closePath(); |
|
} |
|
}; |
|
|
|
var c = -0.5; |
|
var s = Math.sqrt(3) / 2; |
|
var k = 1 / Math.sqrt(12); |
|
var a = (k / 2 + 1) * 3; |
|
var wye = { |
|
draw: function(context, size) { |
|
var r = Math.sqrt(size / a), |
|
x0 = r / 2, |
|
y0 = r * k, |
|
x1 = x0, |
|
y1 = r * k + r, |
|
x2 = -x1, |
|
y2 = y1; |
|
context.moveTo(x0, y0); |
|
context.lineTo(x1, y1); |
|
context.lineTo(x2, y2); |
|
context.lineTo(c * x0 - s * y0, s * x0 + c * y0); |
|
context.lineTo(c * x1 - s * y1, s * x1 + c * y1); |
|
context.lineTo(c * x2 - s * y2, s * x2 + c * y2); |
|
context.lineTo(c * x0 + s * y0, c * y0 - s * x0); |
|
context.lineTo(c * x1 + s * y1, c * y1 - s * x1); |
|
context.lineTo(c * x2 + s * y2, c * y2 - s * x2); |
|
context.closePath(); |
|
} |
|
}; |
|
|
|
var symbols = [ |
|
circle, |
|
cross$1, |
|
diamond, |
|
square, |
|
star, |
|
triangle, |
|
wye |
|
]; |
|
|
|
function symbol() { |
|
var type = constant$1(circle), |
|
size = constant$1(64), |
|
context = null; |
|
|
|
function symbol() { |
|
var buffer; |
|
if (!context) context = buffer = path(); |
|
type.apply(this, arguments).draw(context, +size.apply(this, arguments)); |
|
if (buffer) return context = null, buffer + "" || null; |
|
} |
|
|
|
symbol.type = function(_) { |
|
return arguments.length ? (type = typeof _ === "function" ? _ : constant$1(_), symbol) : type; |
|
}; |
|
|
|
symbol.size = function(_) { |
|
return arguments.length ? (size = typeof _ === "function" ? _ : constant$1(+_), symbol) : size; |
|
}; |
|
|
|
symbol.context = function(_) { |
|
return arguments.length ? (context = _ == null ? null : _, symbol) : context; |
|
}; |
|
|
|
return symbol; |
|
} |
|
|
|
function noop() {} |
|
|
|
function point(that, x, y) { |
|
that._context.bezierCurveTo( |
|
(2 * that._x0 + that._x1) / 3, |
|
(2 * that._y0 + that._y1) / 3, |
|
(that._x0 + 2 * that._x1) / 3, |
|
(that._y0 + 2 * that._y1) / 3, |
|
(that._x0 + 4 * that._x1 + x) / 6, |
|
(that._y0 + 4 * that._y1 + y) / 6 |
|
); |
|
} |
|
|
|
function Basis(context) { |
|
this._context = context; |
|
} |
|
|
|
Basis.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = |
|
this._y0 = this._y1 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 3: point(this, this._x1, this._y1); // proceed |
|
case 2: this._context.lineTo(this._x1, this._y1); break; |
|
} |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed |
|
default: point(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = x; |
|
this._y0 = this._y1, this._y1 = y; |
|
} |
|
}; |
|
|
|
function basis(context) { |
|
return new Basis(context); |
|
} |
|
|
|
function BasisClosed(context) { |
|
this._context = context; |
|
} |
|
|
|
BasisClosed.prototype = { |
|
areaStart: noop, |
|
areaEnd: noop, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = |
|
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 1: { |
|
this._context.moveTo(this._x2, this._y2); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 2: { |
|
this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); |
|
this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 3: { |
|
this.point(this._x2, this._y2); |
|
this.point(this._x3, this._y3); |
|
this.point(this._x4, this._y4); |
|
break; |
|
} |
|
} |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._x2 = x, this._y2 = y; break; |
|
case 1: this._point = 2; this._x3 = x, this._y3 = y; break; |
|
case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break; |
|
default: point(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = x; |
|
this._y0 = this._y1, this._y1 = y; |
|
} |
|
}; |
|
|
|
function basisClosed(context) { |
|
return new BasisClosed(context); |
|
} |
|
|
|
function BasisOpen(context) { |
|
this._context = context; |
|
} |
|
|
|
BasisOpen.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = |
|
this._y0 = this._y1 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break; |
|
case 3: this._point = 4; // proceed |
|
default: point(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = x; |
|
this._y0 = this._y1, this._y1 = y; |
|
} |
|
}; |
|
|
|
function basisOpen(context) { |
|
return new BasisOpen(context); |
|
} |
|
|
|
function Bundle(context, beta) { |
|
this._basis = new Basis(context); |
|
this._beta = beta; |
|
} |
|
|
|
Bundle.prototype = { |
|
lineStart: function() { |
|
this._x = []; |
|
this._y = []; |
|
this._basis.lineStart(); |
|
}, |
|
lineEnd: function() { |
|
var x = this._x, |
|
y = this._y, |
|
j = x.length - 1; |
|
|
|
if (j > 0) { |
|
var x0 = x[0], |
|
y0 = y[0], |
|
dx = x[j] - x0, |
|
dy = y[j] - y0, |
|
i = -1, |
|
t; |
|
|
|
while (++i <= j) { |
|
t = i / j; |
|
this._basis.point( |
|
this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), |
|
this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) |
|
); |
|
} |
|
} |
|
|
|
this._x = this._y = null; |
|
this._basis.lineEnd(); |
|
}, |
|
point: function(x, y) { |
|
this._x.push(+x); |
|
this._y.push(+y); |
|
} |
|
}; |
|
|
|
var bundle = (function custom(beta) { |
|
|
|
function bundle(context) { |
|
return beta === 1 ? new Basis(context) : new Bundle(context, beta); |
|
} |
|
|
|
bundle.beta = function(beta) { |
|
return custom(+beta); |
|
}; |
|
|
|
return bundle; |
|
})(0.85); |
|
|
|
function point$1(that, x, y) { |
|
that._context.bezierCurveTo( |
|
that._x1 + that._k * (that._x2 - that._x0), |
|
that._y1 + that._k * (that._y2 - that._y0), |
|
that._x2 + that._k * (that._x1 - x), |
|
that._y2 + that._k * (that._y1 - y), |
|
that._x2, |
|
that._y2 |
|
); |
|
} |
|
|
|
function Cardinal(context, tension) { |
|
this._context = context; |
|
this._k = (1 - tension) / 6; |
|
} |
|
|
|
Cardinal.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = |
|
this._y0 = this._y1 = this._y2 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 2: this._context.lineTo(this._x2, this._y2); break; |
|
case 3: point$1(this, this._x1, this._y1); break; |
|
} |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; this._x1 = x, this._y1 = y; break; |
|
case 2: this._point = 3; // proceed |
|
default: point$1(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var cardinal = (function custom(tension) { |
|
|
|
function cardinal(context) { |
|
return new Cardinal(context, tension); |
|
} |
|
|
|
cardinal.tension = function(tension) { |
|
return custom(+tension); |
|
}; |
|
|
|
return cardinal; |
|
})(0); |
|
|
|
function CardinalClosed(context, tension) { |
|
this._context = context; |
|
this._k = (1 - tension) / 6; |
|
} |
|
|
|
CardinalClosed.prototype = { |
|
areaStart: noop, |
|
areaEnd: noop, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = |
|
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 1: { |
|
this._context.moveTo(this._x3, this._y3); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 2: { |
|
this._context.lineTo(this._x3, this._y3); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 3: { |
|
this.point(this._x3, this._y3); |
|
this.point(this._x4, this._y4); |
|
this.point(this._x5, this._y5); |
|
break; |
|
} |
|
} |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._x3 = x, this._y3 = y; break; |
|
case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; |
|
case 2: this._point = 3; this._x5 = x, this._y5 = y; break; |
|
default: point$1(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var cardinalClosed = (function custom(tension) { |
|
|
|
function cardinal(context) { |
|
return new CardinalClosed(context, tension); |
|
} |
|
|
|
cardinal.tension = function(tension) { |
|
return custom(+tension); |
|
}; |
|
|
|
return cardinal; |
|
})(0); |
|
|
|
function CardinalOpen(context, tension) { |
|
this._context = context; |
|
this._k = (1 - tension) / 6; |
|
} |
|
|
|
CardinalOpen.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = |
|
this._y0 = this._y1 = this._y2 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; |
|
case 3: this._point = 4; // proceed |
|
default: point$1(this, x, y); break; |
|
} |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var cardinalOpen = (function custom(tension) { |
|
|
|
function cardinal(context) { |
|
return new CardinalOpen(context, tension); |
|
} |
|
|
|
cardinal.tension = function(tension) { |
|
return custom(+tension); |
|
}; |
|
|
|
return cardinal; |
|
})(0); |
|
|
|
function point$2(that, x, y) { |
|
var x1 = that._x1, |
|
y1 = that._y1, |
|
x2 = that._x2, |
|
y2 = that._y2; |
|
|
|
if (that._l01_a > epsilon$1) { |
|
var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, |
|
n = 3 * that._l01_a * (that._l01_a + that._l12_a); |
|
x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; |
|
y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; |
|
} |
|
|
|
if (that._l23_a > epsilon$1) { |
|
var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, |
|
m = 3 * that._l23_a * (that._l23_a + that._l12_a); |
|
x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; |
|
y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; |
|
} |
|
|
|
that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); |
|
} |
|
|
|
function CatmullRom(context, alpha) { |
|
this._context = context; |
|
this._alpha = alpha; |
|
} |
|
|
|
CatmullRom.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = |
|
this._y0 = this._y1 = this._y2 = NaN; |
|
this._l01_a = this._l12_a = this._l23_a = |
|
this._l01_2a = this._l12_2a = this._l23_2a = |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 2: this._context.lineTo(this._x2, this._y2); break; |
|
case 3: this.point(this, this._x2, this._y2); break; |
|
} |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
|
|
if (this._point) { |
|
var x23 = this._x2 - x, |
|
y23 = this._y2 - y; |
|
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); |
|
} |
|
|
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; // proceed |
|
default: point$2(this, x, y); break; |
|
} |
|
|
|
this._l01_a = this._l12_a, this._l12_a = this._l23_a; |
|
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var catmullRom = (function custom(alpha) { |
|
|
|
function catmullRom(context) { |
|
return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); |
|
} |
|
|
|
catmullRom.alpha = function(alpha) { |
|
return custom(+alpha); |
|
}; |
|
|
|
return catmullRom; |
|
})(0.5); |
|
|
|
function CatmullRomClosed(context, alpha) { |
|
this._context = context; |
|
this._alpha = alpha; |
|
} |
|
|
|
CatmullRomClosed.prototype = { |
|
areaStart: noop, |
|
areaEnd: noop, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = |
|
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; |
|
this._l01_a = this._l12_a = this._l23_a = |
|
this._l01_2a = this._l12_2a = this._l23_2a = |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 1: { |
|
this._context.moveTo(this._x3, this._y3); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 2: { |
|
this._context.lineTo(this._x3, this._y3); |
|
this._context.closePath(); |
|
break; |
|
} |
|
case 3: { |
|
this.point(this._x3, this._y3); |
|
this.point(this._x4, this._y4); |
|
this.point(this._x5, this._y5); |
|
break; |
|
} |
|
} |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
|
|
if (this._point) { |
|
var x23 = this._x2 - x, |
|
y23 = this._y2 - y; |
|
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); |
|
} |
|
|
|
switch (this._point) { |
|
case 0: this._point = 1; this._x3 = x, this._y3 = y; break; |
|
case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; |
|
case 2: this._point = 3; this._x5 = x, this._y5 = y; break; |
|
default: point$2(this, x, y); break; |
|
} |
|
|
|
this._l01_a = this._l12_a, this._l12_a = this._l23_a; |
|
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var catmullRomClosed = (function custom(alpha) { |
|
|
|
function catmullRom(context) { |
|
return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); |
|
} |
|
|
|
catmullRom.alpha = function(alpha) { |
|
return custom(+alpha); |
|
}; |
|
|
|
return catmullRom; |
|
})(0.5); |
|
|
|
function CatmullRomOpen(context, alpha) { |
|
this._context = context; |
|
this._alpha = alpha; |
|
} |
|
|
|
CatmullRomOpen.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = this._x2 = |
|
this._y0 = this._y1 = this._y2 = NaN; |
|
this._l01_a = this._l12_a = this._l23_a = |
|
this._l01_2a = this._l12_2a = this._l23_2a = |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
|
|
if (this._point) { |
|
var x23 = this._x2 - x, |
|
y23 = this._y2 - y; |
|
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); |
|
} |
|
|
|
switch (this._point) { |
|
case 0: this._point = 1; break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; |
|
case 3: this._point = 4; // proceed |
|
default: point$2(this, x, y); break; |
|
} |
|
|
|
this._l01_a = this._l12_a, this._l12_a = this._l23_a; |
|
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; |
|
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; |
|
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; |
|
} |
|
}; |
|
|
|
var catmullRomOpen = (function custom(alpha) { |
|
|
|
function catmullRom(context) { |
|
return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); |
|
} |
|
|
|
catmullRom.alpha = function(alpha) { |
|
return custom(+alpha); |
|
}; |
|
|
|
return catmullRom; |
|
})(0.5); |
|
|
|
function LinearClosed(context) { |
|
this._context = context; |
|
} |
|
|
|
LinearClosed.prototype = { |
|
areaStart: noop, |
|
areaEnd: noop, |
|
lineStart: function() { |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (this._point) this._context.closePath(); |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
if (this._point) this._context.lineTo(x, y); |
|
else this._point = 1, this._context.moveTo(x, y); |
|
} |
|
}; |
|
|
|
function linearClosed(context) { |
|
return new LinearClosed(context); |
|
} |
|
|
|
function sign(x) { |
|
return x < 0 ? -1 : 1; |
|
} |
|
|
|
// Calculate the slopes of the tangents (Hermite-type interpolation) based on |
|
// the following paper: Steffen, M. 1990. A Simple Method for Monotonic |
|
// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. |
|
// NOV(II), P. 443, 1990. |
|
function slope3(that, x2, y2) { |
|
var h0 = that._x1 - that._x0, |
|
h1 = x2 - that._x1, |
|
s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), |
|
s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), |
|
p = (s0 * h1 + s1 * h0) / (h0 + h1); |
|
return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; |
|
} |
|
|
|
// Calculate a one-sided slope. |
|
function slope2(that, t) { |
|
var h = that._x1 - that._x0; |
|
return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; |
|
} |
|
|
|
// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations |
|
// "you can express cubic Hermite interpolation in terms of cubic Bézier curves |
|
// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". |
|
function point$3(that, t0, t1) { |
|
var x0 = that._x0, |
|
y0 = that._y0, |
|
x1 = that._x1, |
|
y1 = that._y1, |
|
dx = (x1 - x0) / 3; |
|
that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); |
|
} |
|
|
|
function MonotoneX(context) { |
|
this._context = context; |
|
} |
|
|
|
MonotoneX.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x0 = this._x1 = |
|
this._y0 = this._y1 = |
|
this._t0 = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
switch (this._point) { |
|
case 2: this._context.lineTo(this._x1, this._y1); break; |
|
case 3: point$3(this, this._t0, slope2(this, this._t0)); break; |
|
} |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
var t1 = NaN; |
|
|
|
x = +x, y = +y; |
|
if (x === this._x1 && y === this._y1) return; // Ignore coincident points. |
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; break; |
|
case 2: this._point = 3; point$3(this, slope2(this, t1 = slope3(this, x, y)), t1); break; |
|
default: point$3(this, this._t0, t1 = slope3(this, x, y)); break; |
|
} |
|
|
|
this._x0 = this._x1, this._x1 = x; |
|
this._y0 = this._y1, this._y1 = y; |
|
this._t0 = t1; |
|
} |
|
} |
|
|
|
function MonotoneY(context) { |
|
this._context = new ReflectContext(context); |
|
} |
|
|
|
(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { |
|
MonotoneX.prototype.point.call(this, y, x); |
|
}; |
|
|
|
function ReflectContext(context) { |
|
this._context = context; |
|
} |
|
|
|
ReflectContext.prototype = { |
|
moveTo: function(x, y) { this._context.moveTo(y, x); }, |
|
closePath: function() { this._context.closePath(); }, |
|
lineTo: function(x, y) { this._context.lineTo(y, x); }, |
|
bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } |
|
}; |
|
|
|
function monotoneX(context) { |
|
return new MonotoneX(context); |
|
} |
|
|
|
function monotoneY(context) { |
|
return new MonotoneY(context); |
|
} |
|
|
|
function Natural(context) { |
|
this._context = context; |
|
} |
|
|
|
Natural.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x = []; |
|
this._y = []; |
|
}, |
|
lineEnd: function() { |
|
var x = this._x, |
|
y = this._y, |
|
n = x.length; |
|
|
|
if (n) { |
|
this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); |
|
if (n === 2) { |
|
this._context.lineTo(x[1], y[1]); |
|
} else { |
|
var px = controlPoints(x), |
|
py = controlPoints(y); |
|
for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { |
|
this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); |
|
} |
|
} |
|
} |
|
|
|
if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); |
|
this._line = 1 - this._line; |
|
this._x = this._y = null; |
|
}, |
|
point: function(x, y) { |
|
this._x.push(+x); |
|
this._y.push(+y); |
|
} |
|
}; |
|
|
|
// See https://www.particleincell.com/2012/bezier-splines/ for derivation. |
|
function controlPoints(x) { |
|
var i, |
|
n = x.length - 1, |
|
m, |
|
a = new Array(n), |
|
b = new Array(n), |
|
r = new Array(n); |
|
a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; |
|
for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; |
|
a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; |
|
for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; |
|
a[n - 1] = r[n - 1] / b[n - 1]; |
|
for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; |
|
b[n - 1] = (x[n] + a[n - 1]) / 2; |
|
for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; |
|
return [a, b]; |
|
} |
|
|
|
function natural(context) { |
|
return new Natural(context); |
|
} |
|
|
|
function Step(context, t) { |
|
this._context = context; |
|
this._t = t; |
|
} |
|
|
|
Step.prototype = { |
|
areaStart: function() { |
|
this._line = 0; |
|
}, |
|
areaEnd: function() { |
|
this._line = NaN; |
|
}, |
|
lineStart: function() { |
|
this._x = this._y = NaN; |
|
this._point = 0; |
|
}, |
|
lineEnd: function() { |
|
if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); |
|
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); |
|
if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; |
|
}, |
|
point: function(x, y) { |
|
x = +x, y = +y; |
|
switch (this._point) { |
|
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; |
|
case 1: this._point = 2; // proceed |
|
default: { |
|
if (this._t <= 0) { |
|
this._context.lineTo(this._x, y); |
|
this._context.lineTo(x, y); |
|
} else { |
|
var x1 = this._x * (1 - this._t) + x * this._t; |
|
this._context.lineTo(x1, this._y); |
|
this._context.lineTo(x1, y); |
|
} |
|
break; |
|
} |
|
} |
|
this._x = x, this._y = y; |
|
} |
|
}; |
|
|
|
function step(context) { |
|
return new Step(context, 0.5); |
|
} |
|
|
|
function stepBefore(context) { |
|
return new Step(context, 0); |
|
} |
|
|
|
function stepAfter(context) { |
|
return new Step(context, 1); |
|
} |
|
|
|
var slice$2 = Array.prototype.slice; |
|
|
|
function none(series, order) { |
|
if (!((n = series.length) > 1)) return; |
|
for (var i = 1, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { |
|
s0 = s1, s1 = series[order[i]]; |
|
for (var j = 0; j < m; ++j) { |
|
s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; |
|
} |
|
} |
|
} |
|
|
|
function none$1(series) { |
|
var n = series.length, o = new Array(n); |
|
while (--n >= 0) o[n] = n; |
|
return o; |
|
} |
|
|
|
function stackValue(d, key) { |
|
return d[key]; |
|
} |
|
|
|
function stack() { |
|
var keys = constant$1([]), |
|
order = none$1, |
|
offset = none, |
|
value = stackValue; |
|
|
|
function stack(data) { |
|
var kz = keys.apply(this, arguments), |
|
i, |
|
m = data.length, |
|
n = kz.length, |
|
sz = new Array(n), |
|
oz; |
|
|
|
for (i = 0; i < n; ++i) { |
|
for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { |
|
si[j] = sij = [0, +value(data[j], ki, j, data)]; |
|
sij.data = data[j]; |
|
} |
|
si.key = ki; |
|
} |
|
|
|
for (i = 0, oz = order(sz); i < n; ++i) { |
|
sz[oz[i]].index = i; |
|
} |
|
|
|
offset(sz, oz); |
|
return sz; |
|
} |
|
|
|
stack.keys = function(_) { |
|
return arguments.length ? (keys = typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : keys; |
|
}; |
|
|
|
stack.value = function(_) { |
|
return arguments.length ? (value = typeof _ === "function" ? _ : constant$1(+_), stack) : value; |
|
}; |
|
|
|
stack.order = function(_) { |
|
return arguments.length ? (order = _ == null ? none$1 : typeof _ === "function" ? _ : constant$1(slice$2.call(_)), stack) : order; |
|
}; |
|
|
|
stack.offset = function(_) { |
|
return arguments.length ? (offset = _ == null ? none : _, stack) : offset; |
|
}; |
|
|
|
return stack; |
|
} |
|
|
|
function expand(series, order) { |
|
if (!((n = series.length) > 0)) return; |
|
for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { |
|
for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; |
|
if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; |
|
} |
|
none(series, order); |
|
} |
|
|
|
function silhouette(series, order) { |
|
if (!((n = series.length) > 0)) return; |
|
for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { |
|
for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; |
|
s0[j][1] += s0[j][0] = -y / 2; |
|
} |
|
none(series, order); |
|
} |
|
|
|
function wiggle(series, order) { |
|
if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; |
|
for (var y = 0, j = 1, s0, m, n; j < m; ++j) { |
|
for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { |
|
var si = series[order[i]], |
|
sij0 = si[j][1] || 0, |
|
sij1 = si[j - 1][1] || 0, |
|
s3 = (sij0 - sij1) / 2; |
|
for (var k = 0; k < i; ++k) { |
|
var sk = series[order[k]], |
|
skj0 = sk[j][1] || 0, |
|
skj1 = sk[j - 1][1] || 0; |
|
s3 += skj0 - skj1; |
|
} |
|
s1 += sij0, s2 += s3 * sij0; |
|
} |
|
s0[j - 1][1] += s0[j - 1][0] = y; |
|
if (s1) y -= s2 / s1; |
|
} |
|
s0[j - 1][1] += s0[j - 1][0] = y; |
|
none(series, order); |
|
} |
|
|
|
function ascending$1(series) { |
|
var sums = series.map(sum$1); |
|
return none$1(series).sort(function(a, b) { return sums[a] - sums[b]; }); |
|
} |
|
|
|
function sum$1(series) { |
|
var s = 0, i = -1, n = series.length, v; |
|
while (++i < n) if (v = +series[i][1]) s += v; |
|
return s; |
|
} |
|
|
|
function descending$2(series) { |
|
return ascending$1(series).reverse(); |
|
} |
|
|
|
function insideOut(series) { |
|
var n = series.length, |
|
i, |
|
j, |
|
sums = series.map(sum$1), |
|
order = none$1(series).sort(function(a, b) { return sums[b] - sums[a]; }), |
|
top = 0, |
|
bottom = 0, |
|
tops = [], |
|
bottoms = []; |
|
|
|
for (i = 0; i < n; ++i) { |
|
j = order[i]; |
|
if (top < bottom) { |
|
top += sums[j]; |
|
tops.push(j); |
|
} else { |
|
bottom += sums[j]; |
|
bottoms.push(j); |
|
} |
|
} |
|
|
|
return bottoms.reverse().concat(tops); |
|
} |
|
|
|
function reverse(series) { |
|
return none$1(series).reverse(); |
|
} |
|
|
|
function define(constructor, factory, prototype) { |
|
constructor.prototype = factory.prototype = prototype; |
|
prototype.constructor = constructor; |
|
} |
|
|
|
function extend(parent, definition) { |
|
var prototype = Object.create(parent.prototype); |
|
for (var key in definition) prototype[key] = definition[key]; |
|
return prototype; |
|
} |
|
|
|
function Color() {} |
|
|
|
var darker = 0.7; |
|
var brighter = 1 / darker; |
|
|
|
var reHex3 = /^#([0-9a-f]{3})$/; |
|
var reHex6 = /^#([0-9a-f]{6})$/; |
|
var reRgbInteger = /^rgb\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*\)$/; |
|
var reRgbPercent = /^rgb\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; |
|
var reRgbaInteger = /^rgba\(\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+)\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; |
|
var reRgbaPercent = /^rgba\(\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; |
|
var reHslPercent = /^hsl\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*\)$/; |
|
var reHslaPercent = /^hsla\(\s*([-+]?\d+(?:\.\d+)?)\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)%\s*,\s*([-+]?\d+(?:\.\d+)?)\s*\)$/; |
|
var named = { |
|
aliceblue: 0xf0f8ff, |
|
antiquewhite: 0xfaebd7, |
|
aqua: 0x00ffff, |
|
aquamarine: 0x7fffd4, |
|
azure: 0xf0ffff, |
|
beige: 0xf5f5dc, |
|
bisque: 0xffe4c4, |
|
black: 0x000000, |
|
blanchedalmond: 0xffebcd, |
|
blue: 0x0000ff, |
|
blueviolet: 0x8a2be2, |
|
brown: 0xa52a2a, |
|
burlywood: 0xdeb887, |
|
cadetblue: 0x5f9ea0, |
|
chartreuse: 0x7fff00, |
|
chocolate: 0xd2691e, |
|
coral: 0xff7f50, |
|
cornflowerblue: 0x6495ed, |
|
cornsilk: 0xfff8dc, |
|
crimson: 0xdc143c, |
|
cyan: 0x00ffff, |
|
darkblue: 0x00008b, |
|
darkcyan: 0x008b8b, |
|
darkgoldenrod: 0xb8860b, |
|
darkgray: 0xa9a9a9, |
|
darkgreen: 0x006400, |
|
darkgrey: 0xa9a9a9, |
|
darkkhaki: 0xbdb76b, |
|
darkmagenta: 0x8b008b, |
|
darkolivegreen: 0x556b2f, |
|
darkorange: 0xff8c00, |
|
darkorchid: 0x9932cc, |
|
darkred: 0x8b0000, |
|
darksalmon: 0xe9967a, |
|
darkseagreen: 0x8fbc8f, |
|
darkslateblue: 0x483d8b, |
|
darkslategray: 0x2f4f4f, |
|
darkslategrey: 0x2f4f4f, |
|
darkturquoise: 0x00ced1, |
|
darkviolet: 0x9400d3, |
|
deeppink: 0xff1493, |
|
deepskyblue: 0x00bfff, |
|
dimgray: 0x696969, |
|
dimgrey: 0x696969, |
|
dodgerblue: 0x1e90ff, |
|
firebrick: 0xb22222, |
|
floralwhite: 0xfffaf0, |
|
forestgreen: 0x228b22, |
|
fuchsia: 0xff00ff, |
|
gainsboro: 0xdcdcdc, |
|
ghostwhite: 0xf8f8ff, |
|
gold: 0xffd700, |
|
goldenrod: 0xdaa520, |
|
gray: 0x808080, |
|
green: 0x008000, |
|
greenyellow: 0xadff2f, |
|
grey: 0x808080, |
|
honeydew: 0xf0fff0, |
|
hotpink: 0xff69b4, |
|
indianred: 0xcd5c5c, |
|
indigo: 0x4b0082, |
|
ivory: 0xfffff0, |
|
khaki: 0xf0e68c, |
|
lavender: 0xe6e6fa, |
|
lavenderblush: 0xfff0f5, |
|
lawngreen: 0x7cfc00, |
|
lemonchiffon: 0xfffacd, |
|
lightblue: 0xadd8e6, |
|
lightcoral: 0xf08080, |
|
lightcyan: 0xe0ffff, |
|
lightgoldenrodyellow: 0xfafad2, |
|
lightgray: 0xd3d3d3, |
|
lightgreen: 0x90ee90, |
|
lightgrey: 0xd3d3d3, |
|
lightpink: 0xffb6c1, |
|
lightsalmon: 0xffa07a, |
|
lightseagreen: 0x20b2aa, |
|
lightskyblue: 0x87cefa, |
|
lightslategray: 0x778899, |
|
lightslategrey: 0x778899, |
|
lightsteelblue: 0xb0c4de, |
|
lightyellow: 0xffffe0, |
|
lime: 0x00ff00, |
|
limegreen: 0x32cd32, |
|
linen: 0xfaf0e6, |
|
magenta: 0xff00ff, |
|
maroon: 0x800000, |
|
mediumaquamarine: 0x66cdaa, |
|
mediumblue: 0x0000cd, |
|
mediumorchid: 0xba55d3, |
|
mediumpurple: 0x9370db, |
|
mediumseagreen: 0x3cb371, |
|
mediumslateblue: 0x7b68ee, |
|
mediumspringgreen: 0x00fa9a, |
|
mediumturquoise: 0x48d1cc, |
|
mediumvioletred: 0xc71585, |
|
midnightblue: 0x191970, |
|
mintcream: 0xf5fffa, |
|
mistyrose: 0xffe4e1, |
|
moccasin: 0xffe4b5, |
|
navajowhite: 0xffdead, |
|
navy: 0x000080, |
|
oldlace: 0xfdf5e6, |
|
olive: 0x808000, |
|
olivedrab: 0x6b8e23, |
|
orange: 0xffa500, |
|
orangered: 0xff4500, |
|
orchid: 0xda70d6, |
|
palegoldenrod: 0xeee8aa, |
|
palegreen: 0x98fb98, |
|
paleturquoise: 0xafeeee, |
|
palevioletred: 0xdb7093, |
|
papayawhip: 0xffefd5, |
|
peachpuff: 0xffdab9, |
|
peru: 0xcd853f, |
|
pink: 0xffc0cb, |
|
plum: 0xdda0dd, |
|
powderblue: 0xb0e0e6, |
|
purple: 0x800080, |
|
rebeccapurple: 0x663399, |
|
red: 0xff0000, |
|
rosybrown: 0xbc8f8f, |
|
royalblue: 0x4169e1, |
|
saddlebrown: 0x8b4513, |
|
salmon: 0xfa8072, |
|
sandybrown: 0xf4a460, |
|
seagreen: 0x2e8b57, |
|
seashell: 0xfff5ee, |
|
sienna: 0xa0522d, |
|
silver: 0xc0c0c0, |
|
skyblue: 0x87ceeb, |
|
slateblue: 0x6a5acd, |
|
slategray: 0x708090, |
|
slategrey: 0x708090, |
|
snow: 0xfffafa, |
|
springgreen: 0x00ff7f, |
|
steelblue: 0x4682b4, |
|
tan: 0xd2b48c, |
|
teal: 0x008080, |
|
thistle: 0xd8bfd8, |
|
tomato: 0xff6347, |
|
turquoise: 0x40e0d0, |
|
violet: 0xee82ee, |
|
wheat: 0xf5deb3, |
|
white: 0xffffff, |
|
whitesmoke: 0xf5f5f5, |
|
yellow: 0xffff00, |
|
yellowgreen: 0x9acd32 |
|
}; |
|
|
|
define(Color, color, { |
|
displayable: function() { |
|
return this.rgb().displayable(); |
|
}, |
|
toString: function() { |
|
return this.rgb() + ""; |
|
} |
|
}); |
|
|
|
function color(format) { |
|
var m; |
|
format = (format + "").trim().toLowerCase(); |
|
return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 |
|
: (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 |
|
: (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) |
|
: (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) |
|
: (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) |
|
: (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) |
|
: (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) |
|
: (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) |
|
: named.hasOwnProperty(format) ? rgbn(named[format]) |
|
: format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) |
|
: null; |
|
} |
|
|
|
function rgbn(n) { |
|
return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); |
|
} |
|
|
|
function rgba(r, g, b, a) { |
|
if (a <= 0) r = g = b = NaN; |
|
return new Rgb(r, g, b, a); |
|
} |
|
|
|
function rgbConvert(o) { |
|
if (!(o instanceof Color)) o = color(o); |
|
if (!o) return new Rgb; |
|
o = o.rgb(); |
|
return new Rgb(o.r, o.g, o.b, o.opacity); |
|
} |
|
|
|
function colorRgb(r, g, b, opacity) { |
|
return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); |
|
} |
|
|
|
function Rgb(r, g, b, opacity) { |
|
this.r = +r; |
|
this.g = +g; |
|
this.b = +b; |
|
this.opacity = +opacity; |
|
} |
|
|
|
define(Rgb, colorRgb, extend(Color, { |
|
brighter: function(k) { |
|
k = k == null ? brighter : Math.pow(brighter, k); |
|
return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); |
|
}, |
|
darker: function(k) { |
|
k = k == null ? darker : Math.pow(darker, k); |
|
return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); |
|
}, |
|
rgb: function() { |
|
return this; |
|
}, |
|
displayable: function() { |
|
return (0 <= this.r && this.r <= 255) |
|
&& (0 <= this.g && this.g <= 255) |
|
&& (0 <= this.b && this.b <= 255) |
|
&& (0 <= this.opacity && this.opacity <= 1); |
|
}, |
|
toString: function() { |
|
var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); |
|
return (a === 1 ? "rgb(" : "rgba(") |
|
+ Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " |
|
+ Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " |
|
+ Math.max(0, Math.min(255, Math.round(this.b) || 0)) |
|
+ (a === 1 ? ")" : ", " + a + ")"); |
|
} |
|
})); |
|
|
|
function hsla(h, s, l, a) { |
|
if (a <= 0) h = s = l = NaN; |
|
else if (l <= 0 || l >= 1) h = s = NaN; |
|
else if (s <= 0) h = NaN; |
|
return new Hsl(h, s, l, a); |
|
} |
|
|
|
function hslConvert(o) { |
|
if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); |
|
if (!(o instanceof Color)) o = color(o); |
|
if (!o) return new Hsl; |
|
if (o instanceof Hsl) return o; |
|
o = o.rgb(); |
|
var r = o.r / 255, |
|
g = o.g / 255, |
|
b = o.b / 255, |
|
min = Math.min(r, g, b), |
|
max = Math.max(r, g, b), |
|
h = NaN, |
|
s = max - min, |
|
l = (max + min) / 2; |
|
if (s) { |
|
if (r === max) h = (g - b) / s + (g < b) * 6; |
|
else if (g === max) h = (b - r) / s + 2; |
|
else h = (r - g) / s + 4; |
|
s /= l < 0.5 ? max + min : 2 - max - min; |
|
h *= 60; |
|
} else { |
|
s = l > 0 && l < 1 ? 0 : h; |
|
} |
|
return new Hsl(h, s, l, o.opacity); |
|
} |
|
|
|
function colorHsl(h, s, l, opacity) { |
|
return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); |
|
} |
|
|
|
function Hsl(h, s, l, opacity) { |
|
this.h = +h; |
|
this.s = +s; |
|
this.l = +l; |
|
this.opacity = +opacity; |
|
} |
|
|
|
define(Hsl, colorHsl, extend(Color, { |
|
brighter: function(k) { |
|
k = k == null ? brighter : Math.pow(brighter, k); |
|
return new Hsl(this.h, this.s, this.l * k, this.opacity); |
|
}, |
|
darker: function(k) { |
|
k = k == null ? darker : Math.pow(darker, k); |
|
return new Hsl(this.h, this.s, this.l * k, this.opacity); |
|
}, |
|
rgb: function() { |
|
var h = this.h % 360 + (this.h < 0) * 360, |
|
s = isNaN(h) || isNaN(this.s) ? 0 : this.s, |
|
l = this.l, |
|
m2 = l + (l < 0.5 ? l : 1 - l) * s, |
|
m1 = 2 * l - m2; |
|
return new Rgb( |
|
hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), |
|
hsl2rgb(h, m1, m2), |
|
hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), |
|
this.opacity |
|
); |
|
}, |
|
displayable: function() { |
|
return (0 <= this.s && this.s <= 1 || isNaN(this.s)) |
|
&& (0 <= this.l && this.l <= 1) |
|
&& (0 <= this.opacity && this.opacity <= 1); |
|
} |
|
})); |
|
|
|
/* From FvD 13.37, CSS Color Module Level 3 */ |
|
function hsl2rgb(h, m1, m2) { |
|
return (h < 60 ? m1 + (m2 - m1) * h / 60 |
|
: h < 180 ? m2 |
|
: h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 |
|
: m1) * 255; |
|
} |
|
|
|
var deg2rad = Math.PI / 180; |
|
var rad2deg = 180 / Math.PI; |
|
|
|
var Kn = 18; |
|
var Xn = 0.950470; |
|
var Yn = 1; |
|
var Zn = 1.088830; |
|
var t0 = 4 / 29; |
|
var t1 = 6 / 29; |
|
var t2 = 3 * t1 * t1; |
|
var t3 = t1 * t1 * t1; |
|
function labConvert(o) { |
|
if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); |
|
if (o instanceof Hcl) { |
|
var h = o.h * deg2rad; |
|
return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); |
|
} |
|
if (!(o instanceof Rgb)) o = rgbConvert(o); |
|
var b = rgb2xyz(o.r), |
|
a = rgb2xyz(o.g), |
|
l = rgb2xyz(o.b), |
|
x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), |
|
y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), |
|
z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); |
|
return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); |
|
} |
|
|
|
function lab(l, a, b, opacity) { |
|
return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); |
|
} |
|
|
|
function Lab(l, a, b, opacity) { |
|
this.l = +l; |
|
this.a = +a; |
|
this.b = +b; |
|
this.opacity = +opacity; |
|
} |
|
|
|
define(Lab, lab, extend(Color, { |
|
brighter: function(k) { |
|
return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); |
|
}, |
|
darker: function(k) { |
|
return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); |
|
}, |
|
rgb: function() { |
|
var y = (this.l + 16) / 116, |
|
x = isNaN(this.a) ? y : y + this.a / 500, |
|
z = isNaN(this.b) ? y : y - this.b / 200; |
|
y = Yn * lab2xyz(y); |
|
x = Xn * lab2xyz(x); |
|
z = Zn * lab2xyz(z); |
|
return new Rgb( |
|
xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB |
|
xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), |
|
xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), |
|
this.opacity |
|
); |
|
} |
|
})); |
|
|
|
function xyz2lab(t) { |
|
return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; |
|
} |
|
|
|
function lab2xyz(t) { |
|
return t > t1 ? t * t * t : t2 * (t - t0); |
|
} |
|
|
|
function xyz2rgb(x) { |
|
return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); |
|
} |
|
|
|
function rgb2xyz(x) { |
|
return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); |
|
} |
|
|
|
function hclConvert(o) { |
|
if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); |
|
if (!(o instanceof Lab)) o = labConvert(o); |
|
var h = Math.atan2(o.b, o.a) * rad2deg; |
|
return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); |
|
} |
|
|
|
function colorHcl(h, c, l, opacity) { |
|
return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); |
|
} |
|
|
|
function Hcl(h, c, l, opacity) { |
|
this.h = +h; |
|
this.c = +c; |
|
this.l = +l; |
|
this.opacity = +opacity; |
|
} |
|
|
|
define(Hcl, colorHcl, extend(Color, { |
|
brighter: function(k) { |
|
return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); |
|
}, |
|
darker: function(k) { |
|
return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); |
|
}, |
|
rgb: function() { |
|
return labConvert(this).rgb(); |
|
} |
|
})); |
|
|
|
var A = -0.14861; |
|
var B = +1.78277; |
|
var C = -0.29227; |
|
var D = -0.90649; |
|
var E = +1.97294; |
|
var ED = E * D; |
|
var EB = E * B; |
|
var BC_DA = B * C - D * A; |
|
function cubehelixConvert(o) { |
|
if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); |
|
if (!(o instanceof Rgb)) o = rgbConvert(o); |
|
var r = o.r / 255, |
|
g = o.g / 255, |
|
b = o.b / 255, |
|
l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), |
|
bl = b - l, |
|
k = (E * (g - l) - C * bl) / D, |
|
s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 |
|
h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; |
|
return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); |
|
} |
|
|
|
function cubehelix(h, s, l, opacity) { |
|
return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); |
|
} |
|
|
|
function Cubehelix(h, s, l, opacity) { |
|
this.h = +h; |
|
this.s = +s; |
|
this.l = +l; |
|
this.opacity = +opacity; |
|
} |
|
|
|
define(Cubehelix, cubehelix, extend(Color, { |
|
brighter: function(k) { |
|
k = k == null ? brighter : Math.pow(brighter, k); |
|
return new Cubehelix(this.h, this.s, this.l * k, this.opacity); |
|
}, |
|
darker: function(k) { |
|
k = k == null ? darker : Math.pow(darker, k); |
|
return new Cubehelix(this.h, this.s, this.l * k, this.opacity); |
|
}, |
|
rgb: function() { |
|
var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, |
|
l = +this.l, |
|
a = isNaN(this.s) ? 0 : this.s * l * (1 - l), |
|
cosh = Math.cos(h), |
|
sinh = Math.sin(h); |
|
return new Rgb( |
|
255 * (l + a * (A * cosh + B * sinh)), |
|
255 * (l + a * (C * cosh + D * sinh)), |
|
255 * (l + a * (E * cosh)), |
|
this.opacity |
|
); |
|
} |
|
})); |
|
|
|
function basis$1(t1, v0, v1, v2, v3) { |
|
var t2 = t1 * t1, t3 = t2 * t1; |
|
return ((1 - 3 * t1 + 3 * t2 - t3) * v0 |
|
+ (4 - 6 * t2 + 3 * t3) * v1 |
|
+ (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 |
|
+ t3 * v3) / 6; |
|
} |
|
|
|
function basis$2(values) { |
|
var n = values.length - 1; |
|
return function(t) { |
|
var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), |
|
v1 = values[i], |
|
v2 = values[i + 1], |
|
v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, |
|
v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; |
|
return basis$1((t - i / n) * n, v0, v1, v2, v3); |
|
}; |
|
} |
|
|
|
function basisClosed$1(values) { |
|
var n = values.length; |
|
return function(t) { |
|
var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), |
|
v0 = values[(i + n - 1) % n], |
|
v1 = values[i % n], |
|
v2 = values[(i + 1) % n], |
|
v3 = values[(i + 2) % n]; |
|
return basis$1((t - i / n) * n, v0, v1, v2, v3); |
|
}; |
|
} |
|
|
|
function constant$2(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function linear$1(a, d) { |
|
return function(t) { |
|
return a + t * d; |
|
}; |
|
} |
|
|
|
function exponential$1(a, b, y) { |
|
return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { |
|
return Math.pow(a + t * b, y); |
|
}; |
|
} |
|
|
|
function hue(a, b) { |
|
var d = b - a; |
|
return d ? linear$1(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$2(isNaN(a) ? b : a); |
|
} |
|
|
|
function gamma(y) { |
|
return (y = +y) === 1 ? nogamma : function(a, b) { |
|
return b - a ? exponential$1(a, b, y) : constant$2(isNaN(a) ? b : a); |
|
}; |
|
} |
|
|
|
function nogamma(a, b) { |
|
var d = b - a; |
|
return d ? linear$1(a, d) : constant$2(isNaN(a) ? b : a); |
|
} |
|
|
|
var interpolateRgb = (function rgbGamma(y) { |
|
var color = gamma(y); |
|
|
|
function rgb(start, end) { |
|
var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r), |
|
g = color(start.g, end.g), |
|
b = color(start.b, end.b), |
|
opacity = color(start.opacity, end.opacity); |
|
return function(t) { |
|
start.r = r(t); |
|
start.g = g(t); |
|
start.b = b(t); |
|
start.opacity = opacity(t); |
|
return start + ""; |
|
}; |
|
} |
|
|
|
rgb.gamma = rgbGamma; |
|
|
|
return rgb; |
|
})(1); |
|
|
|
function rgbSpline(spline) { |
|
return function(colors) { |
|
var n = colors.length, |
|
r = new Array(n), |
|
g = new Array(n), |
|
b = new Array(n), |
|
i, color; |
|
for (i = 0; i < n; ++i) { |
|
color = colorRgb(colors[i]); |
|
r[i] = color.r || 0; |
|
g[i] = color.g || 0; |
|
b[i] = color.b || 0; |
|
} |
|
r = spline(r); |
|
g = spline(g); |
|
b = spline(b); |
|
color.opacity = 1; |
|
return function(t) { |
|
color.r = r(t); |
|
color.g = g(t); |
|
color.b = b(t); |
|
return color + ""; |
|
}; |
|
}; |
|
} |
|
|
|
var rgbBasis = rgbSpline(basis$2); |
|
var rgbBasisClosed = rgbSpline(basisClosed$1); |
|
|
|
function array$1(a, b) { |
|
var nb = b ? b.length : 0, |
|
na = a ? Math.min(nb, a.length) : 0, |
|
x = new Array(nb), |
|
c = new Array(nb), |
|
i; |
|
|
|
for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]); |
|
for (; i < nb; ++i) c[i] = b[i]; |
|
|
|
return function(t) { |
|
for (i = 0; i < na; ++i) c[i] = x[i](t); |
|
return c; |
|
}; |
|
} |
|
|
|
function date(a, b) { |
|
var d = new Date; |
|
return a = +a, b -= a, function(t) { |
|
return d.setTime(a + b * t), d; |
|
}; |
|
} |
|
|
|
function interpolateNumber(a, b) { |
|
return a = +a, b -= a, function(t) { |
|
return a + b * t; |
|
}; |
|
} |
|
|
|
function object(a, b) { |
|
var i = {}, |
|
c = {}, |
|
k; |
|
|
|
if (a === null || typeof a !== "object") a = {}; |
|
if (b === null || typeof b !== "object") b = {}; |
|
|
|
for (k in b) { |
|
if (k in a) { |
|
i[k] = interpolate(a[k], b[k]); |
|
} else { |
|
c[k] = b[k]; |
|
} |
|
} |
|
|
|
return function(t) { |
|
for (k in i) c[k] = i[k](t); |
|
return c; |
|
}; |
|
} |
|
|
|
var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; |
|
var reB = new RegExp(reA.source, "g"); |
|
function zero(b) { |
|
return function() { |
|
return b; |
|
}; |
|
} |
|
|
|
function one(b) { |
|
return function(t) { |
|
return b(t) + ""; |
|
}; |
|
} |
|
|
|
function interpolateString(a, b) { |
|
var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b |
|
am, // current match in a |
|
bm, // current match in b |
|
bs, // string preceding current number in b, if any |
|
i = -1, // index in s |
|
s = [], // string constants and placeholders |
|
q = []; // number interpolators |
|
|
|
// Coerce inputs to strings. |
|
a = a + "", b = b + ""; |
|
|
|
// Interpolate pairs of numbers in a & b. |
|
while ((am = reA.exec(a)) |
|
&& (bm = reB.exec(b))) { |
|
if ((bs = bm.index) > bi) { // a string precedes the next number in b |
|
bs = b.slice(bi, bs); |
|
if (s[i]) s[i] += bs; // coalesce with previous string |
|
else s[++i] = bs; |
|
} |
|
if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match |
|
if (s[i]) s[i] += bm; // coalesce with previous string |
|
else s[++i] = bm; |
|
} else { // interpolate non-matching numbers |
|
s[++i] = null; |
|
q.push({i: i, x: interpolateNumber(am, bm)}); |
|
} |
|
bi = reB.lastIndex; |
|
} |
|
|
|
// Add remains of b. |
|
if (bi < b.length) { |
|
bs = b.slice(bi); |
|
if (s[i]) s[i] += bs; // coalesce with previous string |
|
else s[++i] = bs; |
|
} |
|
|
|
// Special optimization for only a single match. |
|
// Otherwise, interpolate each of the numbers and rejoin the string. |
|
return s.length < 2 ? (q[0] |
|
? one(q[0].x) |
|
: zero(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(""); |
|
}); |
|
} |
|
|
|
function interpolate(a, b) { |
|
var t = typeof b, c; |
|
return b == null || t === "boolean" ? constant$2(b) |
|
: (t === "number" ? interpolateNumber |
|
: t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) |
|
: b instanceof color ? interpolateRgb |
|
: b instanceof Date ? date |
|
: Array.isArray(b) ? array$1 |
|
: isNaN(b) ? object |
|
: interpolateNumber)(a, b); |
|
} |
|
|
|
function interpolateRound(a, b) { |
|
return a = +a, b -= a, function(t) { |
|
return Math.round(a + b * t); |
|
}; |
|
} |
|
|
|
var degrees = 180 / Math.PI; |
|
|
|
var identity$2 = { |
|
translateX: 0, |
|
translateY: 0, |
|
rotate: 0, |
|
skewX: 0, |
|
scaleX: 1, |
|
scaleY: 1 |
|
}; |
|
|
|
function decompose(a, b, c, d, e, f) { |
|
var scaleX, scaleY, skewX; |
|
if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; |
|
if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; |
|
if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; |
|
if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; |
|
return { |
|
translateX: e, |
|
translateY: f, |
|
rotate: Math.atan2(b, a) * degrees, |
|
skewX: Math.atan(skewX) * degrees, |
|
scaleX: scaleX, |
|
scaleY: scaleY |
|
}; |
|
} |
|
|
|
var cssNode; |
|
var cssRoot; |
|
var cssView; |
|
var svgNode; |
|
function parseCss(value) { |
|
if (value === "none") return identity$2; |
|
if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; |
|
cssNode.style.transform = value; |
|
value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); |
|
cssRoot.removeChild(cssNode); |
|
value = value.slice(7, -1).split(","); |
|
return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); |
|
} |
|
|
|
function parseSvg(value) { |
|
if (value == null) return identity$2; |
|
if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); |
|
svgNode.setAttribute("transform", value); |
|
if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; |
|
value = value.matrix; |
|
return decompose(value.a, value.b, value.c, value.d, value.e, value.f); |
|
} |
|
|
|
function interpolateTransform(parse, pxComma, pxParen, degParen) { |
|
|
|
function pop(s) { |
|
return s.length ? s.pop() + " " : ""; |
|
} |
|
|
|
function translate(xa, ya, xb, yb, s, q) { |
|
if (xa !== xb || ya !== yb) { |
|
var i = s.push("translate(", null, pxComma, null, pxParen); |
|
q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); |
|
} else if (xb || yb) { |
|
s.push("translate(" + xb + pxComma + yb + pxParen); |
|
} |
|
} |
|
|
|
function rotate(a, b, s, q) { |
|
if (a !== b) { |
|
if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path |
|
q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: interpolateNumber(a, b)}); |
|
} else if (b) { |
|
s.push(pop(s) + "rotate(" + b + degParen); |
|
} |
|
} |
|
|
|
function skewX(a, b, s, q) { |
|
if (a !== b) { |
|
q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)}); |
|
} else if (b) { |
|
s.push(pop(s) + "skewX(" + b + degParen); |
|
} |
|
} |
|
|
|
function scale(xa, ya, xb, yb, s, q) { |
|
if (xa !== xb || ya !== yb) { |
|
var i = s.push(pop(s) + "scale(", null, ",", null, ")"); |
|
q.push({i: i - 4, x: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)}); |
|
} else if (xb !== 1 || yb !== 1) { |
|
s.push(pop(s) + "scale(" + xb + "," + yb + ")"); |
|
} |
|
} |
|
|
|
return function(a, b) { |
|
var s = [], // string constants and placeholders |
|
q = []; // number interpolators |
|
a = parse(a), b = parse(b); |
|
translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); |
|
rotate(a.rotate, b.rotate, s, q); |
|
skewX(a.skewX, b.skewX, s, q); |
|
scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); |
|
a = b = null; // gc |
|
return function(t) { |
|
var i = -1, n = q.length, o; |
|
while (++i < n) s[(o = q[i]).i] = o.x(t); |
|
return s.join(""); |
|
}; |
|
}; |
|
} |
|
|
|
var interpolateTransform$1 = interpolateTransform(parseCss, "px, ", "px)", "deg)"); |
|
var interpolateTransform$2 = interpolateTransform(parseSvg, ", ", ")", ")"); |
|
|
|
var rho = Math.SQRT2; |
|
var rho2 = 2; |
|
var rho4 = 4; |
|
var epsilon2 = 1e-12; |
|
function cosh(x) { |
|
return ((x = Math.exp(x)) + 1 / x) / 2; |
|
} |
|
|
|
function sinh(x) { |
|
return ((x = Math.exp(x)) - 1 / x) / 2; |
|
} |
|
|
|
function tanh(x) { |
|
return ((x = Math.exp(2 * x)) - 1) / (x + 1); |
|
} |
|
|
|
// p0 = [ux0, uy0, w0] |
|
// p1 = [ux1, uy1, w1] |
|
function interpolateZoom(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; |
|
|
|
// Special case for u0 ≅ u1. |
|
if (d2 < epsilon2) { |
|
S = Math.log(w1 / w0) / rho; |
|
i = function(t) { |
|
return [ |
|
ux0 + t * dx, |
|
uy0 + t * dy, |
|
w0 * Math.exp(rho * t * S) |
|
]; |
|
} |
|
} |
|
|
|
// General case. |
|
else { |
|
var d1 = Math.sqrt(d2), |
|
b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), |
|
b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), |
|
r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), |
|
r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); |
|
S = (r1 - r0) / rho; |
|
i = function(t) { |
|
var s = t * S, |
|
coshr0 = cosh(r0), |
|
u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); |
|
return [ |
|
ux0 + u * dx, |
|
uy0 + u * dy, |
|
w0 * coshr0 / cosh(rho * s + r0) |
|
]; |
|
} |
|
} |
|
|
|
i.duration = S * 1000; |
|
|
|
return i; |
|
} |
|
|
|
function hsl(hue) { |
|
return function(start, end) { |
|
var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h), |
|
s = nogamma(start.s, end.s), |
|
l = nogamma(start.l, end.l), |
|
opacity = nogamma(start.opacity, end.opacity); |
|
return function(t) { |
|
start.h = h(t); |
|
start.s = s(t); |
|
start.l = l(t); |
|
start.opacity = opacity(t); |
|
return start + ""; |
|
}; |
|
} |
|
} |
|
|
|
var hsl$1 = hsl(hue); |
|
var hslLong = hsl(nogamma); |
|
|
|
function lab$1(start, end) { |
|
var l = nogamma((start = lab(start)).l, (end = lab(end)).l), |
|
a = nogamma(start.a, end.a), |
|
b = nogamma(start.b, end.b), |
|
opacity = nogamma(start.opacity, end.opacity); |
|
return function(t) { |
|
start.l = l(t); |
|
start.a = a(t); |
|
start.b = b(t); |
|
start.opacity = opacity(t); |
|
return start + ""; |
|
}; |
|
} |
|
|
|
function hcl(hue) { |
|
return function(start, end) { |
|
var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h), |
|
c = nogamma(start.c, end.c), |
|
l = nogamma(start.l, end.l), |
|
opacity = nogamma(start.opacity, end.opacity); |
|
return function(t) { |
|
start.h = h(t); |
|
start.c = c(t); |
|
start.l = l(t); |
|
start.opacity = opacity(t); |
|
return start + ""; |
|
}; |
|
} |
|
} |
|
|
|
var hcl$1 = hcl(hue); |
|
var hclLong = hcl(nogamma); |
|
|
|
function cubehelix$1(hue) { |
|
return (function cubehelixGamma(y) { |
|
y = +y; |
|
|
|
function cubehelix$$(start, end) { |
|
var h = hue((start = cubehelix(start)).h, (end = cubehelix(end)).h), |
|
s = nogamma(start.s, end.s), |
|
l = nogamma(start.l, end.l), |
|
opacity = nogamma(start.opacity, end.opacity); |
|
return function(t) { |
|
start.h = h(t); |
|
start.s = s(t); |
|
start.l = l(Math.pow(t, y)); |
|
start.opacity = opacity(t); |
|
return start + ""; |
|
}; |
|
} |
|
|
|
cubehelix$$.gamma = cubehelixGamma; |
|
|
|
return cubehelix$$; |
|
})(1); |
|
} |
|
|
|
var cubehelix$2 = cubehelix$1(hue); |
|
var interpolateCubehelixLong = cubehelix$1(nogamma); |
|
|
|
function quantize(interpolator, n) { |
|
var samples = new Array(n); |
|
for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); |
|
return samples; |
|
} |
|
|
|
var noop$1 = {value: function() {}}; |
|
|
|
function dispatch() { |
|
for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { |
|
if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); |
|
_[t] = []; |
|
} |
|
return new Dispatch(_); |
|
} |
|
|
|
function Dispatch(_) { |
|
this._ = _; |
|
} |
|
|
|
function parseTypenames(typenames, types) { |
|
return typenames.trim().split(/^|\s+/).map(function(t) { |
|
var name = "", i = t.indexOf("."); |
|
if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); |
|
if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); |
|
return {type: t, name: name}; |
|
}); |
|
} |
|
|
|
Dispatch.prototype = dispatch.prototype = { |
|
constructor: Dispatch, |
|
on: function(typename, callback) { |
|
var _ = this._, |
|
T = parseTypenames(typename + "", _), |
|
t, |
|
i = -1, |
|
n = T.length; |
|
|
|
// If no callback was specified, return the callback of the given type and name. |
|
if (arguments.length < 2) { |
|
while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; |
|
return; |
|
} |
|
|
|
// If a type was specified, set the callback for the given type and name. |
|
// Otherwise, if a null callback was specified, remove callbacks of the given name. |
|
if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); |
|
while (++i < n) { |
|
if (t = (typename = T[i]).type) _[t] = set$1(_[t], typename.name, callback); |
|
else if (callback == null) for (t in _) _[t] = set$1(_[t], typename.name, null); |
|
} |
|
|
|
return this; |
|
}, |
|
copy: function() { |
|
var copy = {}, _ = this._; |
|
for (var t in _) copy[t] = _[t].slice(); |
|
return new Dispatch(copy); |
|
}, |
|
call: function(type, that) { |
|
if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; |
|
if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); |
|
for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); |
|
}, |
|
apply: function(type, that, args) { |
|
if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); |
|
for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); |
|
} |
|
}; |
|
|
|
function get(type, name) { |
|
for (var i = 0, n = type.length, c; i < n; ++i) { |
|
if ((c = type[i]).name === name) { |
|
return c.value; |
|
} |
|
} |
|
} |
|
|
|
function set$1(type, name, callback) { |
|
for (var i = 0, n = type.length; i < n; ++i) { |
|
if (type[i].name === name) { |
|
type[i] = noop$1, type = type.slice(0, i).concat(type.slice(i + 1)); |
|
break; |
|
} |
|
} |
|
if (callback != null) type.push({name: name, value: callback}); |
|
return type; |
|
} |
|
|
|
function objectConverter(columns) { |
|
return new Function("d", "return {" + columns.map(function(name, i) { |
|
return JSON.stringify(name) + ": d[" + i + "]"; |
|
}).join(",") + "}"); |
|
} |
|
|
|
function customConverter(columns, f) { |
|
var object = objectConverter(columns); |
|
return function(row, i) { |
|
return f(object(row), i, columns); |
|
}; |
|
} |
|
|
|
// Compute unique columns in order of discovery. |
|
function inferColumns(rows) { |
|
var columnSet = Object.create(null), |
|
columns = []; |
|
|
|
rows.forEach(function(row) { |
|
for (var column in row) { |
|
if (!(column in columnSet)) { |
|
columns.push(columnSet[column] = column); |
|
} |
|
} |
|
}); |
|
|
|
return columns; |
|
} |
|
|
|
function dsv(delimiter) { |
|
var reFormat = new RegExp("[\"" + delimiter + "\n]"), |
|
delimiterCode = delimiter.charCodeAt(0); |
|
|
|
function parse(text, f) { |
|
var convert, columns, rows = parseRows(text, function(row, i) { |
|
if (convert) return convert(row, i - 1); |
|
columns = row, convert = f ? customConverter(row, f) : objectConverter(row); |
|
}); |
|
rows.columns = columns; |
|
return rows; |
|
} |
|
|
|
function parseRows(text, f) { |
|
var EOL = {}, // sentinel value for end-of-line |
|
EOF = {}, // sentinel value for end-of-file |
|
rows = [], // output rows |
|
N = text.length, |
|
I = 0, // current character index |
|
n = 0, // the current line number |
|
t, // the current token |
|
eol; // is the current token followed by EOL? |
|
|
|
function token() { |
|
if (I >= N) return EOF; // special case: end of file |
|
if (eol) return eol = false, EOL; // special case: end of line |
|
|
|
// special case: quotes |
|
var j = I, c; |
|
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; |
|
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, "\""); |
|
} |
|
|
|
// common case: find next delimiter or newline |
|
while (I < N) { |
|
var k = 1; |
|
c = text.charCodeAt(I++); |
|
if (c === 10) eol = true; // \n |
|
else if (c === 13) { eol = true; if (text.charCodeAt(I) === 10) ++I, ++k; } // \r|\r\n |
|
else if (c !== delimiterCode) continue; |
|
return text.slice(j, I - k); |
|
} |
|
|
|
// special case: last token before EOF |
|
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; |
|
} |
|
|
|
function format(rows, columns) { |
|
if (columns == null) columns = inferColumns(rows); |
|
return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { |
|
return columns.map(function(column) { |
|
return formatValue(row[column]); |
|
}).join(delimiter); |
|
})).join("\n"); |
|
} |
|
|
|
function formatRows(rows) { |
|
return rows.map(formatRow).join("\n"); |
|
} |
|
|
|
function formatRow(row) { |
|
return row.map(formatValue).join(delimiter); |
|
} |
|
|
|
function formatValue(text) { |
|
return text == null ? "" |
|
: reFormat.test(text += "") ? "\"" + text.replace(/\"/g, "\"\"") + "\"" |
|
: text; |
|
} |
|
|
|
return { |
|
parse: parse, |
|
parseRows: parseRows, |
|
format: format, |
|
formatRows: formatRows |
|
}; |
|
} |
|
|
|
var csv = dsv(","); |
|
|
|
var csvParse = csv.parse; |
|
var csvParseRows = csv.parseRows; |
|
var csvFormat = csv.format; |
|
var csvFormatRows = csv.formatRows; |
|
|
|
var tsv = dsv("\t"); |
|
|
|
var tsvParse = tsv.parse; |
|
var tsvParseRows = tsv.parseRows; |
|
var tsvFormat = tsv.format; |
|
var tsvFormatRows = tsv.formatRows; |
|
|
|
function request(url, callback) { |
|
var request, |
|
event = dispatch("beforesend", "progress", "load", "error"), |
|
mimeType, |
|
headers = map$1(), |
|
xhr = new XMLHttpRequest, |
|
user = null, |
|
password = null, |
|
response, |
|
responseType, |
|
timeout = 0; |
|
|
|
// If IE does not support CORS, use XDomainRequest. |
|
if (typeof XDomainRequest !== "undefined" |
|
&& !("withCredentials" in xhr) |
|
&& /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; |
|
|
|
"onload" in xhr |
|
? xhr.onload = xhr.onerror = xhr.ontimeout = respond |
|
: xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; |
|
|
|
function respond(o) { |
|
var status = xhr.status, result; |
|
if (!status && hasResponse(xhr) |
|
|| status >= 200 && status < 300 |
|
|| status === 304) { |
|
if (response) { |
|
try { |
|
result = response.call(request, xhr); |
|
} catch (e) { |
|
event.call("error", request, e); |
|
return; |
|
} |
|
} else { |
|
result = xhr; |
|
} |
|
event.call("load", request, result); |
|
} else { |
|
event.call("error", request, o); |
|
} |
|
} |
|
|
|
xhr.onprogress = function(e) { |
|
event.call("progress", request, e); |
|
}; |
|
|
|
request = { |
|
header: function(name, value) { |
|
name = (name + "").toLowerCase(); |
|
if (arguments.length < 2) return headers.get(name); |
|
if (value == null) headers.remove(name); |
|
else headers.set(name, value + ""); |
|
return request; |
|
}, |
|
|
|
// If mimeType is non-null and no Accept header is set, a default is used. |
|
mimeType: function(value) { |
|
if (!arguments.length) return mimeType; |
|
mimeType = value == null ? null : value + ""; |
|
return request; |
|
}, |
|
|
|
// Specifies what type the response value should take; |
|
// for instance, arraybuffer, blob, document, or text. |
|
responseType: function(value) { |
|
if (!arguments.length) return responseType; |
|
responseType = value; |
|
return request; |
|
}, |
|
|
|
timeout: function(value) { |
|
if (!arguments.length) return timeout; |
|
timeout = +value; |
|
return request; |
|
}, |
|
|
|
user: function(value) { |
|
return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); |
|
}, |
|
|
|
password: function(value) { |
|
return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); |
|
}, |
|
|
|
// Specify how to convert the response content to a specific type; |
|
// changes the callback value on "load" events. |
|
response: function(value) { |
|
response = value; |
|
return request; |
|
}, |
|
|
|
// Alias for send("GET", …). |
|
get: function(data, callback) { |
|
return request.send("GET", data, callback); |
|
}, |
|
|
|
// Alias for send("POST", …). |
|
post: function(data, callback) { |
|
return request.send("POST", data, callback); |
|
}, |
|
|
|
// If callback is non-null, it will be used for error and load events. |
|
send: function(method, data, callback) { |
|
xhr.open(method, url, true, user, password); |
|
if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); |
|
if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); |
|
if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); |
|
if (responseType != null) xhr.responseType = responseType; |
|
if (timeout > 0) xhr.timeout = timeout; |
|
if (callback == null && typeof data === "function") callback = data, data = null; |
|
if (callback != null && callback.length === 1) callback = fixCallback(callback); |
|
if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); |
|
event.call("beforesend", request, xhr); |
|
xhr.send(data == null ? null : data); |
|
return request; |
|
}, |
|
|
|
abort: function() { |
|
xhr.abort(); |
|
return request; |
|
}, |
|
|
|
on: function() { |
|
var value = event.on.apply(event, arguments); |
|
return value === event ? request : value; |
|
} |
|
}; |
|
|
|
if (callback != null) { |
|
if (typeof callback !== "function") throw new Error("invalid callback: " + callback); |
|
return request.get(callback); |
|
} |
|
|
|
return request; |
|
} |
|
|
|
function fixCallback(callback) { |
|
return function(error, xhr) { |
|
callback(error == null ? xhr : null); |
|
}; |
|
} |
|
|
|
function hasResponse(xhr) { |
|
var type = xhr.responseType; |
|
return type && type !== "text" |
|
? xhr.response // null on error |
|
: xhr.responseText; // "" on error |
|
} |
|
|
|
function type(defaultMimeType, response) { |
|
return function(url, callback) { |
|
var r = request(url).mimeType(defaultMimeType).response(response); |
|
if (callback != null) { |
|
if (typeof callback !== "function") throw new Error("invalid callback: " + callback); |
|
return r.get(callback); |
|
} |
|
return r; |
|
}; |
|
} |
|
|
|
var html = type("text/html", function(xhr) { |
|
return document.createRange().createContextualFragment(xhr.responseText); |
|
}); |
|
|
|
var json = type("application/json", function(xhr) { |
|
return JSON.parse(xhr.responseText); |
|
}); |
|
|
|
var text = type("text/plain", function(xhr) { |
|
return xhr.responseText; |
|
}); |
|
|
|
var xml = type("application/xml", function(xhr) { |
|
var xml = xhr.responseXML; |
|
if (!xml) throw new Error("parse error"); |
|
return xml; |
|
}); |
|
|
|
function dsv$1(defaultMimeType, parse) { |
|
return function(url, row, callback) { |
|
if (arguments.length < 3) callback = row, row = null; |
|
var r = request(url).mimeType(defaultMimeType); |
|
r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; |
|
r.row(row); |
|
return callback ? r.get(callback) : r; |
|
}; |
|
} |
|
|
|
function responseOf(parse, row) { |
|
return function(request) { |
|
return parse(request.responseText, row); |
|
}; |
|
} |
|
|
|
var csv$1 = dsv$1("text/csv", csvParse); |
|
|
|
var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); |
|
|
|
var frame = 0; |
|
var timeout = 0; |
|
var interval = 0; |
|
var pokeDelay = 1000; |
|
var taskHead; |
|
var taskTail; |
|
var clockLast = 0; |
|
var clockNow = 0; |
|
var clockSkew = 0; |
|
var clock = typeof performance === "object" && performance.now ? performance : Date; |
|
var setFrame = typeof requestAnimationFrame === "function" |
|
? (clock === Date ? function(f) { requestAnimationFrame(function() { f(clock.now()); }); } : requestAnimationFrame) |
|
: function(f) { setTimeout(f, 17); }; |
|
function now() { |
|
return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); |
|
} |
|
|
|
function clearNow() { |
|
clockNow = 0; |
|
} |
|
|
|
function Timer() { |
|
this._call = |
|
this._time = |
|
this._next = null; |
|
} |
|
|
|
Timer.prototype = timer.prototype = { |
|
constructor: Timer, |
|
restart: function(callback, delay, time) { |
|
if (typeof callback !== "function") throw new TypeError("callback is not a function"); |
|
time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); |
|
if (!this._next && taskTail !== this) { |
|
if (taskTail) taskTail._next = this; |
|
else taskHead = this; |
|
taskTail = this; |
|
} |
|
this._call = callback; |
|
this._time = time; |
|
sleep(); |
|
}, |
|
stop: function() { |
|
if (this._call) { |
|
this._call = null; |
|
this._time = Infinity; |
|
sleep(); |
|
} |
|
} |
|
}; |
|
|
|
function timer(callback, delay, time) { |
|
var t = new Timer; |
|
t.restart(callback, delay, time); |
|
return t; |
|
} |
|
|
|
function timerFlush() { |
|
now(); // Get the current time, if not already set. |
|
++frame; // Pretend we’ve set an alarm, if we haven’t already. |
|
var t = taskHead, e; |
|
while (t) { |
|
if ((e = clockNow - t._time) >= 0) t._call.call(null, e); |
|
t = t._next; |
|
} |
|
--frame; |
|
} |
|
|
|
function wake(time) { |
|
clockNow = (clockLast = time || clock.now()) + clockSkew; |
|
frame = timeout = 0; |
|
try { |
|
timerFlush(); |
|
} finally { |
|
frame = 0; |
|
nap(); |
|
clockNow = 0; |
|
} |
|
} |
|
|
|
function poke$1() { |
|
var now = clock.now(), delay = now - clockLast; |
|
if (delay > pokeDelay) clockSkew -= delay, clockLast = now; |
|
} |
|
|
|
function nap() { |
|
var t0, t1 = taskHead, t2, time = Infinity; |
|
while (t1) { |
|
if (t1._call) { |
|
if (time > t1._time) time = t1._time; |
|
t0 = t1, t1 = t1._next; |
|
} else { |
|
t2 = t1._next, t1._next = null; |
|
t1 = t0 ? t0._next = t2 : taskHead = t2; |
|
} |
|
} |
|
taskTail = t0; |
|
sleep(time); |
|
} |
|
|
|
function sleep(time) { |
|
if (frame) return; // Soonest alarm already set, or will be. |
|
if (timeout) timeout = clearTimeout(timeout); |
|
var delay = time - clockNow; |
|
if (delay > 24) { |
|
if (time < Infinity) timeout = setTimeout(wake, delay); |
|
if (interval) interval = clearInterval(interval); |
|
} else { |
|
if (!interval) interval = setInterval(poke$1, pokeDelay); |
|
frame = 1, setFrame(wake); |
|
} |
|
} |
|
|
|
function timeout$1(callback, delay, time) { |
|
var t = new Timer; |
|
delay = delay == null ? 0 : +delay; |
|
t.restart(function(elapsed) { |
|
t.stop(); |
|
callback(elapsed + delay); |
|
}, delay, time); |
|
return t; |
|
} |
|
|
|
function interval$1(callback, delay, time) { |
|
var t = new Timer, total = delay; |
|
if (delay == null) return t.restart(callback, delay, time), t; |
|
delay = +delay, time = time == null ? now() : +time; |
|
t.restart(function tick(elapsed) { |
|
elapsed += total; |
|
t.restart(tick, total += delay, time); |
|
callback(elapsed); |
|
}, delay, time); |
|
return t; |
|
} |
|
|
|
var t0$1 = new Date; |
|
var t1$1 = new Date; |
|
function newInterval(floori, offseti, count, field) { |
|
|
|
function interval(date) { |
|
return floori(date = new Date(+date)), date; |
|
} |
|
|
|
interval.floor = interval; |
|
|
|
interval.ceil = function(date) { |
|
return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; |
|
}; |
|
|
|
interval.round = function(date) { |
|
var d0 = interval(date), |
|
d1 = interval.ceil(date); |
|
return date - d0 < d1 - date ? d0 : d1; |
|
}; |
|
|
|
interval.offset = function(date, step) { |
|
return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; |
|
}; |
|
|
|
interval.range = function(start, stop, step) { |
|
var range = []; |
|
start = interval.ceil(start); |
|
step = step == null ? 1 : Math.floor(step); |
|
if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date |
|
do range.push(new Date(+start)); while (offseti(start, step), floori(start), start < stop) |
|
return range; |
|
}; |
|
|
|
interval.filter = function(test) { |
|
return newInterval(function(date) { |
|
while (floori(date), !test(date)) date.setTime(date - 1); |
|
}, function(date, step) { |
|
while (--step >= 0) while (offseti(date, 1), !test(date)); |
|
}); |
|
}; |
|
|
|
if (count) { |
|
interval.count = function(start, end) { |
|
t0$1.setTime(+start), t1$1.setTime(+end); |
|
floori(t0$1), floori(t1$1); |
|
return Math.floor(count(t0$1, t1$1)); |
|
}; |
|
|
|
interval.every = function(step) { |
|
step = Math.floor(step); |
|
return !isFinite(step) || !(step > 0) ? null |
|
: !(step > 1) ? interval |
|
: interval.filter(field |
|
? function(d) { return field(d) % step === 0; } |
|
: function(d) { return interval.count(0, d) % step === 0; }); |
|
}; |
|
} |
|
|
|
return interval; |
|
} |
|
|
|
var millisecond = newInterval(function() { |
|
// noop |
|
}, function(date, step) { |
|
date.setTime(+date + step); |
|
}, function(start, end) { |
|
return end - start; |
|
}); |
|
|
|
// An optimized implementation for this simple case. |
|
millisecond.every = function(k) { |
|
k = Math.floor(k); |
|
if (!isFinite(k) || !(k > 0)) return null; |
|
if (!(k > 1)) return millisecond; |
|
return newInterval(function(date) { |
|
date.setTime(Math.floor(date / k) * k); |
|
}, function(date, step) { |
|
date.setTime(+date + step * k); |
|
}, function(start, end) { |
|
return (end - start) / k; |
|
}); |
|
}; |
|
|
|
var milliseconds = millisecond.range; |
|
|
|
var durationSecond = 1e3; |
|
var durationMinute = 6e4; |
|
var durationHour = 36e5; |
|
var durationDay = 864e5; |
|
var durationWeek = 6048e5; |
|
|
|
var second = newInterval(function(date) { |
|
date.setTime(Math.floor(date / durationSecond) * durationSecond); |
|
}, function(date, step) { |
|
date.setTime(+date + step * durationSecond); |
|
}, function(start, end) { |
|
return (end - start) / durationSecond; |
|
}, function(date) { |
|
return date.getUTCSeconds(); |
|
}); |
|
|
|
var seconds = second.range; |
|
|
|
var minute = newInterval(function(date) { |
|
date.setTime(Math.floor(date / durationMinute) * durationMinute); |
|
}, function(date, step) { |
|
date.setTime(+date + step * durationMinute); |
|
}, function(start, end) { |
|
return (end - start) / durationMinute; |
|
}, function(date) { |
|
return date.getMinutes(); |
|
}); |
|
|
|
var minutes = minute.range; |
|
|
|
var hour = newInterval(function(date) { |
|
var offset = date.getTimezoneOffset() * durationMinute % durationHour; |
|
if (offset < 0) offset += durationHour; |
|
date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset); |
|
}, function(date, step) { |
|
date.setTime(+date + step * durationHour); |
|
}, function(start, end) { |
|
return (end - start) / durationHour; |
|
}, function(date) { |
|
return date.getHours(); |
|
}); |
|
|
|
var hours = hour.range; |
|
|
|
var day = newInterval(function(date) { |
|
date.setHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setDate(date.getDate() + step); |
|
}, function(start, end) { |
|
return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay; |
|
}, function(date) { |
|
return date.getDate() - 1; |
|
}); |
|
|
|
var days = day.range; |
|
|
|
function weekday(i) { |
|
return newInterval(function(date) { |
|
date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); |
|
date.setHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setDate(date.getDate() + step * 7); |
|
}, function(start, end) { |
|
return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek; |
|
}); |
|
} |
|
|
|
var timeWeek = weekday(0); |
|
var timeMonday = weekday(1); |
|
var tuesday = weekday(2); |
|
var wednesday = weekday(3); |
|
var thursday = weekday(4); |
|
var friday = weekday(5); |
|
var saturday = weekday(6); |
|
|
|
var sundays = timeWeek.range; |
|
var mondays = timeMonday.range; |
|
var tuesdays = tuesday.range; |
|
var wednesdays = wednesday.range; |
|
var thursdays = thursday.range; |
|
var fridays = friday.range; |
|
var saturdays = saturday.range; |
|
|
|
var month = newInterval(function(date) { |
|
date.setDate(1); |
|
date.setHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setMonth(date.getMonth() + step); |
|
}, function(start, end) { |
|
return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; |
|
}, function(date) { |
|
return date.getMonth(); |
|
}); |
|
|
|
var months = month.range; |
|
|
|
var year = newInterval(function(date) { |
|
date.setMonth(0, 1); |
|
date.setHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setFullYear(date.getFullYear() + step); |
|
}, function(start, end) { |
|
return end.getFullYear() - start.getFullYear(); |
|
}, function(date) { |
|
return date.getFullYear(); |
|
}); |
|
|
|
// An optimized implementation for this simple case. |
|
year.every = function(k) { |
|
return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { |
|
date.setFullYear(Math.floor(date.getFullYear() / k) * k); |
|
date.setMonth(0, 1); |
|
date.setHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setFullYear(date.getFullYear() + step * k); |
|
}); |
|
}; |
|
|
|
var years = year.range; |
|
|
|
var utcMinute = newInterval(function(date) { |
|
date.setUTCSeconds(0, 0); |
|
}, function(date, step) { |
|
date.setTime(+date + step * durationMinute); |
|
}, function(start, end) { |
|
return (end - start) / durationMinute; |
|
}, function(date) { |
|
return date.getUTCMinutes(); |
|
}); |
|
|
|
var utcMinutes = utcMinute.range; |
|
|
|
var utcHour = newInterval(function(date) { |
|
date.setUTCMinutes(0, 0, 0); |
|
}, function(date, step) { |
|
date.setTime(+date + step * durationHour); |
|
}, function(start, end) { |
|
return (end - start) / durationHour; |
|
}, function(date) { |
|
return date.getUTCHours(); |
|
}); |
|
|
|
var utcHours = utcHour.range; |
|
|
|
var utcDay = newInterval(function(date) { |
|
date.setUTCHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setUTCDate(date.getUTCDate() + step); |
|
}, function(start, end) { |
|
return (end - start) / durationDay; |
|
}, function(date) { |
|
return date.getUTCDate() - 1; |
|
}); |
|
|
|
var utcDays = utcDay.range; |
|
|
|
function utcWeekday(i) { |
|
return newInterval(function(date) { |
|
date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); |
|
date.setUTCHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setUTCDate(date.getUTCDate() + step * 7); |
|
}, function(start, end) { |
|
return (end - start) / durationWeek; |
|
}); |
|
} |
|
|
|
var utcWeek = utcWeekday(0); |
|
var utcMonday = utcWeekday(1); |
|
var utcTuesday = utcWeekday(2); |
|
var utcWednesday = utcWeekday(3); |
|
var utcThursday = utcWeekday(4); |
|
var utcFriday = utcWeekday(5); |
|
var utcSaturday = utcWeekday(6); |
|
|
|
var utcSundays = utcWeek.range; |
|
var utcMondays = utcMonday.range; |
|
var utcTuesdays = utcTuesday.range; |
|
var utcWednesdays = utcWednesday.range; |
|
var utcThursdays = utcThursday.range; |
|
var utcFridays = utcFriday.range; |
|
var utcSaturdays = utcSaturday.range; |
|
|
|
var utcMonth = newInterval(function(date) { |
|
date.setUTCDate(1); |
|
date.setUTCHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setUTCMonth(date.getUTCMonth() + step); |
|
}, function(start, end) { |
|
return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; |
|
}, function(date) { |
|
return date.getUTCMonth(); |
|
}); |
|
|
|
var utcMonths = utcMonth.range; |
|
|
|
var utcYear = newInterval(function(date) { |
|
date.setUTCMonth(0, 1); |
|
date.setUTCHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setUTCFullYear(date.getUTCFullYear() + step); |
|
}, function(start, end) { |
|
return end.getUTCFullYear() - start.getUTCFullYear(); |
|
}, function(date) { |
|
return date.getUTCFullYear(); |
|
}); |
|
|
|
// An optimized implementation for this simple case. |
|
utcYear.every = function(k) { |
|
return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { |
|
date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); |
|
date.setUTCMonth(0, 1); |
|
date.setUTCHours(0, 0, 0, 0); |
|
}, function(date, step) { |
|
date.setUTCFullYear(date.getUTCFullYear() + step * k); |
|
}); |
|
}; |
|
|
|
var utcYears = utcYear.range; |
|
|
|
// Computes the decimal coefficient and exponent of the specified number x with |
|
// significant digits p, where x is positive and p is in [1, 21] or undefined. |
|
// For example, formatDecimal(1.23) returns ["123", 0]. |
|
function formatDecimal(x, p) { |
|
if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity |
|
var i, coefficient = x.slice(0, i); |
|
|
|
// The string returned by toExponential either has the form \d\.\d+e[-+]\d+ |
|
// (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). |
|
return [ |
|
coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, |
|
+x.slice(i + 1) |
|
]; |
|
} |
|
|
|
function exponent$1(x) { |
|
return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; |
|
} |
|
|
|
function formatGroup(grouping, thousands) { |
|
return function(value, width) { |
|
var i = value.length, |
|
t = [], |
|
j = 0, |
|
g = 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 = grouping[j = (j + 1) % grouping.length]; |
|
} |
|
|
|
return t.reverse().join(thousands); |
|
}; |
|
} |
|
|
|
function formatDefault(x, p) { |
|
x = x.toPrecision(p); |
|
|
|
out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { |
|
switch (x[i]) { |
|
case ".": i0 = i1 = i; break; |
|
case "0": if (i0 === 0) i0 = i; i1 = i; break; |
|
case "e": break out; |
|
default: if (i0 > 0) i0 = 0; break; |
|
} |
|
} |
|
|
|
return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; |
|
} |
|
|
|
var prefixExponent; |
|
|
|
function formatPrefixAuto(x, p) { |
|
var d = formatDecimal(x, p); |
|
if (!d) return x + ""; |
|
var coefficient = d[0], |
|
exponent = d[1], |
|
i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, |
|
n = coefficient.length; |
|
return i === n ? coefficient |
|
: i > n ? coefficient + new Array(i - n + 1).join("0") |
|
: i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) |
|
: "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! |
|
} |
|
|
|
function formatRounded(x, p) { |
|
var d = formatDecimal(x, p); |
|
if (!d) return x + ""; |
|
var coefficient = d[0], |
|
exponent = d[1]; |
|
return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient |
|
: coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) |
|
: coefficient + new Array(exponent - coefficient.length + 2).join("0"); |
|
} |
|
|
|
var formatTypes = { |
|
"": formatDefault, |
|
"%": function(x, p) { return (x * 100).toFixed(p); }, |
|
"b": function(x) { return Math.round(x).toString(2); }, |
|
"c": function(x) { return x + ""; }, |
|
"d": function(x) { return Math.round(x).toString(10); }, |
|
"e": function(x, p) { return x.toExponential(p); }, |
|
"f": function(x, p) { return x.toFixed(p); }, |
|
"g": function(x, p) { return x.toPrecision(p); }, |
|
"o": function(x) { return Math.round(x).toString(8); }, |
|
"p": function(x, p) { return formatRounded(x * 100, p); }, |
|
"r": formatRounded, |
|
"s": formatPrefixAuto, |
|
"X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, |
|
"x": function(x) { return Math.round(x).toString(16); } |
|
}; |
|
|
|
// [[fill]align][sign][symbol][0][width][,][.precision][type] |
|
var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; |
|
|
|
function formatSpecifier(specifier) { |
|
return new FormatSpecifier(specifier); |
|
} |
|
|
|
function FormatSpecifier(specifier) { |
|
if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); |
|
|
|
var match, |
|
fill = match[1] || " ", |
|
align = match[2] || ">", |
|
sign = match[3] || "-", |
|
symbol = match[4] || "", |
|
zero = !!match[5], |
|
width = match[6] && +match[6], |
|
comma = !!match[7], |
|
precision = match[8] && +match[8].slice(1), |
|
type = match[9] || ""; |
|
|
|
// The "n" type is an alias for ",g". |
|
if (type === "n") comma = true, type = "g"; |
|
|
|
// Map invalid types to the default format. |
|
else if (!formatTypes[type]) type = ""; |
|
|
|
// If zero fill is specified, padding goes after sign and before digits. |
|
if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; |
|
|
|
this.fill = fill; |
|
this.align = align; |
|
this.sign = sign; |
|
this.symbol = symbol; |
|
this.zero = zero; |
|
this.width = width; |
|
this.comma = comma; |
|
this.precision = precision; |
|
this.type = type; |
|
} |
|
|
|
FormatSpecifier.prototype.toString = function() { |
|
return this.fill |
|
+ this.align |
|
+ this.sign |
|
+ this.symbol |
|
+ (this.zero ? "0" : "") |
|
+ (this.width == null ? "" : Math.max(1, this.width | 0)) |
|
+ (this.comma ? "," : "") |
|
+ (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) |
|
+ this.type; |
|
}; |
|
|
|
var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; |
|
|
|
function identity$3(x) { |
|
return x; |
|
} |
|
|
|
function formatLocale(locale) { |
|
var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, |
|
currency = locale.currency, |
|
decimal = locale.decimal; |
|
|
|
function newFormat(specifier) { |
|
specifier = formatSpecifier(specifier); |
|
|
|
var fill = specifier.fill, |
|
align = specifier.align, |
|
sign = specifier.sign, |
|
symbol = specifier.symbol, |
|
zero = specifier.zero, |
|
width = specifier.width, |
|
comma = specifier.comma, |
|
precision = specifier.precision, |
|
type = specifier.type; |
|
|
|
// Compute the prefix and suffix. |
|
// For SI-prefix, the suffix is lazily computed. |
|
var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", |
|
suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? "%" : ""; |
|
|
|
// What format function should we use? |
|
// Is this an integer type? |
|
// Can this type generate exponential notation? |
|
var formatType = formatTypes[type], |
|
maybeSuffix = !type || /[defgprs%]/.test(type); |
|
|
|
// Set the default precision if not specified, |
|
// or clamp the specified precision to the supported range. |
|
// For significant precision, it must be in [1, 21]. |
|
// For fixed precision, it must be in [0, 20]. |
|
precision = precision == null ? (type ? 6 : 12) |
|
: /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) |
|
: Math.max(0, Math.min(20, precision)); |
|
|
|
function format(value) { |
|
var valuePrefix = prefix, |
|
valueSuffix = suffix, |
|
i, n, c; |
|
|
|
if (type === "c") { |
|
valueSuffix = formatType(value) + valueSuffix; |
|
value = ""; |
|
} else { |
|
value = +value; |
|
|
|
// Convert negative to positive, and compute the prefix. |
|
// Note that -0 is not less than 0, but 1 / -0 is! |
|
var valueNegative = (value < 0 || 1 / value < 0) && (value *= -1, true); |
|
|
|
// Perform the initial formatting. |
|
value = formatType(value, precision); |
|
|
|
// If the original value was negative, it may be rounded to zero during |
|
// formatting; treat this as (positive) zero. |
|
if (valueNegative) { |
|
i = -1, n = value.length; |
|
valueNegative = false; |
|
while (++i < n) { |
|
if (c = value.charCodeAt(i), (48 < c && c < 58) |
|
|| (type === "x" && 96 < c && c < 103) |
|
|| (type === "X" && 64 < c && c < 71)) { |
|
valueNegative = true; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
// Compute the prefix and suffix. |
|
valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; |
|
valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); |
|
|
|
// Break the formatted value into the integer “value” part that can be |
|
// grouped, and fractional or exponential “suffix” part that is not. |
|
if (maybeSuffix) { |
|
i = -1, n = value.length; |
|
while (++i < n) { |
|
if (c = value.charCodeAt(i), 48 > c || c > 57) { |
|
valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; |
|
value = value.slice(0, i); |
|
break; |
|
} |
|
} |
|
} |
|
} |
|
|
|
// If the fill character is not "0", grouping is applied before padding. |
|
if (comma && !zero) value = group(value, Infinity); |
|
|
|
// Compute the padding. |
|
var length = valuePrefix.length + value.length + valueSuffix.length, |
|
padding = length < width ? new Array(width - length + 1).join(fill) : ""; |
|
|
|
// If the fill character is "0", grouping is applied after padding. |
|
if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; |
|
|
|
// Reconstruct the final output based on the desired alignment. |
|
switch (align) { |
|
case "<": return valuePrefix + value + valueSuffix + padding; |
|
case "=": return valuePrefix + padding + value + valueSuffix; |
|
case "^": return padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); |
|
} |
|
return padding + valuePrefix + value + valueSuffix; |
|
} |
|
|
|
format.toString = function() { |
|
return specifier + ""; |
|
}; |
|
|
|
return format; |
|
} |
|
|
|
function formatPrefix(specifier, value) { |
|
var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), |
|
e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, |
|
k = Math.pow(10, -e), |
|
prefix = prefixes[8 + e / 3]; |
|
return function(value) { |
|
return f(k * value) + prefix; |
|
}; |
|
} |
|
|
|
return { |
|
format: newFormat, |
|
formatPrefix: formatPrefix |
|
}; |
|
} |
|
|
|
var locale; |
|
exports.format; |
|
exports.formatPrefix; |
|
|
|
defaultLocale({ |
|
decimal: ".", |
|
thousands: ",", |
|
grouping: [3], |
|
currency: ["$", ""] |
|
}); |
|
|
|
function defaultLocale(definition) { |
|
locale = formatLocale(definition); |
|
exports.format = locale.format; |
|
exports.formatPrefix = locale.formatPrefix; |
|
return locale; |
|
} |
|
|
|
function precisionFixed(step) { |
|
return Math.max(0, -exponent$1(Math.abs(step))); |
|
} |
|
|
|
function precisionPrefix(step, value) { |
|
return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); |
|
} |
|
|
|
function precisionRound(step, max) { |
|
step = Math.abs(step), max = Math.abs(max) - step; |
|
return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; |
|
} |
|
|
|
function localDate(d) { |
|
if (0 <= d.y && d.y < 100) { |
|
var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); |
|
date.setFullYear(d.y); |
|
return date; |
|
} |
|
return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); |
|
} |
|
|
|
function utcDate(d) { |
|
if (0 <= d.y && d.y < 100) { |
|
var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); |
|
date.setUTCFullYear(d.y); |
|
return date; |
|
} |
|
return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); |
|
} |
|
|
|
function newYear(y) { |
|
return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; |
|
} |
|
|
|
function formatLocale$1(locale) { |
|
var locale_dateTime = locale.dateTime, |
|
locale_date = locale.date, |
|
locale_time = locale.time, |
|
locale_periods = locale.periods, |
|
locale_weekdays = locale.days, |
|
locale_shortWeekdays = locale.shortDays, |
|
locale_months = locale.months, |
|
locale_shortMonths = locale.shortMonths; |
|
|
|
var periodRe = formatRe(locale_periods), |
|
periodLookup = formatLookup(locale_periods), |
|
weekdayRe = formatRe(locale_weekdays), |
|
weekdayLookup = formatLookup(locale_weekdays), |
|
shortWeekdayRe = formatRe(locale_shortWeekdays), |
|
shortWeekdayLookup = formatLookup(locale_shortWeekdays), |
|
monthRe = formatRe(locale_months), |
|
monthLookup = formatLookup(locale_months), |
|
shortMonthRe = formatRe(locale_shortMonths), |
|
shortMonthLookup = formatLookup(locale_shortMonths); |
|
|
|
var formats = { |
|
"a": formatShortWeekday, |
|
"A": formatWeekday, |
|
"b": formatShortMonth, |
|
"B": formatMonth, |
|
"c": null, |
|
"d": formatDayOfMonth, |
|
"e": formatDayOfMonth, |
|
"H": formatHour24, |
|
"I": formatHour12, |
|
"j": formatDayOfYear, |
|
"L": formatMilliseconds, |
|
"m": formatMonthNumber, |
|
"M": formatMinutes, |
|
"p": formatPeriod, |
|
"S": formatSeconds, |
|
"U": formatWeekNumberSunday, |
|
"w": formatWeekdayNumber, |
|
"W": formatWeekNumberMonday, |
|
"x": null, |
|
"X": null, |
|
"y": formatYear, |
|
"Y": formatFullYear, |
|
"Z": formatZone, |
|
"%": formatLiteralPercent |
|
}; |
|
|
|
var utcFormats = { |
|
"a": formatUTCShortWeekday, |
|
"A": formatUTCWeekday, |
|
"b": formatUTCShortMonth, |
|
"B": formatUTCMonth, |
|
"c": null, |
|
"d": formatUTCDayOfMonth, |
|
"e": formatUTCDayOfMonth, |
|
"H": formatUTCHour24, |
|
"I": formatUTCHour12, |
|
"j": formatUTCDayOfYear, |
|
"L": formatUTCMilliseconds, |
|
"m": formatUTCMonthNumber, |
|
"M": formatUTCMinutes, |
|
"p": formatUTCPeriod, |
|
"S": formatUTCSeconds, |
|
"U": formatUTCWeekNumberSunday, |
|
"w": formatUTCWeekdayNumber, |
|
"W": formatUTCWeekNumberMonday, |
|
"x": null, |
|
"X": null, |
|
"y": formatUTCYear, |
|
"Y": formatUTCFullYear, |
|
"Z": formatUTCZone, |
|
"%": formatLiteralPercent |
|
}; |
|
|
|
var parses = { |
|
"a": parseShortWeekday, |
|
"A": parseWeekday, |
|
"b": parseShortMonth, |
|
"B": parseMonth, |
|
"c": parseLocaleDateTime, |
|
"d": parseDayOfMonth, |
|
"e": parseDayOfMonth, |
|
"H": parseHour24, |
|
"I": parseHour24, |
|
"j": parseDayOfYear, |
|
"L": parseMilliseconds, |
|
"m": parseMonthNumber, |
|
"M": parseMinutes, |
|
"p": parsePeriod, |
|
"S": parseSeconds, |
|
"U": parseWeekNumberSunday, |
|
"w": parseWeekdayNumber, |
|
"W": parseWeekNumberMonday, |
|
"x": parseLocaleDate, |
|
"X": parseLocaleTime, |
|
"y": parseYear, |
|
"Y": parseFullYear, |
|
"Z": parseZone, |
|
"%": parseLiteralPercent |
|
}; |
|
|
|
// These recursive directive definitions must be deferred. |
|
formats.x = newFormat(locale_date, formats); |
|
formats.X = newFormat(locale_time, formats); |
|
formats.c = newFormat(locale_dateTime, formats); |
|
utcFormats.x = newFormat(locale_date, utcFormats); |
|
utcFormats.X = newFormat(locale_time, utcFormats); |
|
utcFormats.c = newFormat(locale_dateTime, utcFormats); |
|
|
|
function newFormat(specifier, formats) { |
|
return function(date) { |
|
var string = [], |
|
i = -1, |
|
j = 0, |
|
n = specifier.length, |
|
c, |
|
pad, |
|
format; |
|
|
|
if (!(date instanceof Date)) date = new Date(+date); |
|
|
|
while (++i < n) { |
|
if (specifier.charCodeAt(i) === 37) { |
|
string.push(specifier.slice(j, i)); |
|
if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); |
|
else pad = c === "e" ? " " : "0"; |
|
if (format = formats[c]) c = format(date, pad); |
|
string.push(c); |
|
j = i + 1; |
|
} |
|
} |
|
|
|
string.push(specifier.slice(j, i)); |
|
return string.join(""); |
|
}; |
|
} |
|
|
|
function newParse(specifier, newDate) { |
|
return function(string) { |
|
var d = newYear(1900), |
|
i = parseSpecifier(d, specifier, string += "", 0); |
|
if (i != string.length) return null; |
|
|
|
// The am-pm flag is 0 for AM, and 1 for PM. |
|
if ("p" in d) d.H = d.H % 12 + d.p * 12; |
|
|
|
// Convert day-of-week and week-of-year to day-of-year. |
|
if ("W" in d || "U" in d) { |
|
if (!("w" in d)) d.w = "W" in d ? 1 : 0; |
|
var day = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); |
|
d.m = 0; |
|
d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7; |
|
} |
|
|
|
// If a time zone is specified, all fields are interpreted as UTC and then |
|
// offset according to the specified time zone. |
|
if ("Z" in d) { |
|
d.H += d.Z / 100 | 0; |
|
d.M += d.Z % 100; |
|
return utcDate(d); |
|
} |
|
|
|
// Otherwise, all fields are in local time. |
|
return newDate(d); |
|
}; |
|
} |
|
|
|
function parseSpecifier(d, specifier, string, j) { |
|
var i = 0, |
|
n = specifier.length, |
|
m = string.length, |
|
c, |
|
parse; |
|
|
|
while (i < n) { |
|
if (j >= m) return -1; |
|
c = specifier.charCodeAt(i++); |
|
if (c === 37) { |
|
c = specifier.charAt(i++); |
|
parse = parses[c in pads ? specifier.charAt(i++) : c]; |
|
if (!parse || ((j = parse(d, string, j)) < 0)) return -1; |
|
} else if (c != string.charCodeAt(j++)) { |
|
return -1; |
|
} |
|
} |
|
|
|
return j; |
|
} |
|
|
|
function parsePeriod(d, string, i) { |
|
var n = periodRe.exec(string.slice(i)); |
|
return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; |
|
} |
|
|
|
function parseShortWeekday(d, string, i) { |
|
var n = shortWeekdayRe.exec(string.slice(i)); |
|
return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; |
|
} |
|
|
|
function parseWeekday(d, string, i) { |
|
var n = weekdayRe.exec(string.slice(i)); |
|
return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; |
|
} |
|
|
|
function parseShortMonth(d, string, i) { |
|
var n = shortMonthRe.exec(string.slice(i)); |
|
return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; |
|
} |
|
|
|
function parseMonth(d, string, i) { |
|
var n = monthRe.exec(string.slice(i)); |
|
return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; |
|
} |
|
|
|
function parseLocaleDateTime(d, string, i) { |
|
return parseSpecifier(d, locale_dateTime, string, i); |
|
} |
|
|
|
function parseLocaleDate(d, string, i) { |
|
return parseSpecifier(d, locale_date, string, i); |
|
} |
|
|
|
function parseLocaleTime(d, string, i) { |
|
return parseSpecifier(d, locale_time, string, i); |
|
} |
|
|
|
function formatShortWeekday(d) { |
|
return locale_shortWeekdays[d.getDay()]; |
|
} |
|
|
|
function formatWeekday(d) { |
|
return locale_weekdays[d.getDay()]; |
|
} |
|
|
|
function formatShortMonth(d) { |
|
return locale_shortMonths[d.getMonth()]; |
|
} |
|
|
|
function formatMonth(d) { |
|
return locale_months[d.getMonth()]; |
|
} |
|
|
|
function formatPeriod(d) { |
|
return locale_periods[+(d.getHours() >= 12)]; |
|
} |
|
|
|
function formatUTCShortWeekday(d) { |
|
return locale_shortWeekdays[d.getUTCDay()]; |
|
} |
|
|
|
function formatUTCWeekday(d) { |
|
return locale_weekdays[d.getUTCDay()]; |
|
} |
|
|
|
function formatUTCShortMonth(d) { |
|
return locale_shortMonths[d.getUTCMonth()]; |
|
} |
|
|
|
function formatUTCMonth(d) { |
|
return locale_months[d.getUTCMonth()]; |
|
} |
|
|
|
function formatUTCPeriod(d) { |
|
return locale_periods[+(d.getUTCHours() >= 12)]; |
|
} |
|
|
|
return { |
|
format: function(specifier) { |
|
var f = newFormat(specifier += "", formats); |
|
f.toString = function() { return specifier; }; |
|
return f; |
|
}, |
|
parse: function(specifier) { |
|
var p = newParse(specifier += "", localDate); |
|
p.toString = function() { return specifier; }; |
|
return p; |
|
}, |
|
utcFormat: function(specifier) { |
|
var f = newFormat(specifier += "", utcFormats); |
|
f.toString = function() { return specifier; }; |
|
return f; |
|
}, |
|
utcParse: function(specifier) { |
|
var p = newParse(specifier, utcDate); |
|
p.toString = function() { return specifier; }; |
|
return p; |
|
} |
|
}; |
|
} |
|
|
|
var pads = {"-": "", "_": " ", "0": "0"}; |
|
var numberRe = /^\s*\d+/; |
|
var percentRe = /^%/; |
|
var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g; |
|
function pad(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 requote(s) { |
|
return s.replace(requoteRe, "\\$&"); |
|
} |
|
|
|
function formatRe(names) { |
|
return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); |
|
} |
|
|
|
function formatLookup(names) { |
|
var map = {}, i = -1, n = names.length; |
|
while (++i < n) map[names[i].toLowerCase()] = i; |
|
return map; |
|
} |
|
|
|
function parseWeekdayNumber(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 1)); |
|
return n ? (d.w = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseWeekNumberSunday(d, string, i) { |
|
var n = numberRe.exec(string.slice(i)); |
|
return n ? (d.U = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseWeekNumberMonday(d, string, i) { |
|
var n = numberRe.exec(string.slice(i)); |
|
return n ? (d.W = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseFullYear(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 4)); |
|
return n ? (d.y = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseYear(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; |
|
} |
|
|
|
function parseZone(d, string, i) { |
|
var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6)); |
|
return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; |
|
} |
|
|
|
function parseMonthNumber(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.m = n[0] - 1, i + n[0].length) : -1; |
|
} |
|
|
|
function parseDayOfMonth(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.d = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseDayOfYear(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 3)); |
|
return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseHour24(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.H = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseMinutes(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.M = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseSeconds(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 2)); |
|
return n ? (d.S = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseMilliseconds(d, string, i) { |
|
var n = numberRe.exec(string.slice(i, i + 3)); |
|
return n ? (d.L = +n[0], i + n[0].length) : -1; |
|
} |
|
|
|
function parseLiteralPercent(d, string, i) { |
|
var n = percentRe.exec(string.slice(i, i + 1)); |
|
return n ? i + n[0].length : -1; |
|
} |
|
|
|
function formatDayOfMonth(d, p) { |
|
return pad(d.getDate(), p, 2); |
|
} |
|
|
|
function formatHour24(d, p) { |
|
return pad(d.getHours(), p, 2); |
|
} |
|
|
|
function formatHour12(d, p) { |
|
return pad(d.getHours() % 12 || 12, p, 2); |
|
} |
|
|
|
function formatDayOfYear(d, p) { |
|
return pad(1 + day.count(year(d), d), p, 3); |
|
} |
|
|
|
function formatMilliseconds(d, p) { |
|
return pad(d.getMilliseconds(), p, 3); |
|
} |
|
|
|
function formatMonthNumber(d, p) { |
|
return pad(d.getMonth() + 1, p, 2); |
|
} |
|
|
|
function formatMinutes(d, p) { |
|
return pad(d.getMinutes(), p, 2); |
|
} |
|
|
|
function formatSeconds(d, p) { |
|
return pad(d.getSeconds(), p, 2); |
|
} |
|
|
|
function formatWeekNumberSunday(d, p) { |
|
return pad(timeWeek.count(year(d), d), p, 2); |
|
} |
|
|
|
function formatWeekdayNumber(d) { |
|
return d.getDay(); |
|
} |
|
|
|
function formatWeekNumberMonday(d, p) { |
|
return pad(timeMonday.count(year(d), d), p, 2); |
|
} |
|
|
|
function formatYear(d, p) { |
|
return pad(d.getFullYear() % 100, p, 2); |
|
} |
|
|
|
function formatFullYear(d, p) { |
|
return pad(d.getFullYear() % 10000, p, 4); |
|
} |
|
|
|
function formatZone(d) { |
|
var z = d.getTimezoneOffset(); |
|
return (z > 0 ? "-" : (z *= -1, "+")) |
|
+ pad(z / 60 | 0, "0", 2) |
|
+ pad(z % 60, "0", 2); |
|
} |
|
|
|
function formatUTCDayOfMonth(d, p) { |
|
return pad(d.getUTCDate(), p, 2); |
|
} |
|
|
|
function formatUTCHour24(d, p) { |
|
return pad(d.getUTCHours(), p, 2); |
|
} |
|
|
|
function formatUTCHour12(d, p) { |
|
return pad(d.getUTCHours() % 12 || 12, p, 2); |
|
} |
|
|
|
function formatUTCDayOfYear(d, p) { |
|
return pad(1 + utcDay.count(utcYear(d), d), p, 3); |
|
} |
|
|
|
function formatUTCMilliseconds(d, p) { |
|
return pad(d.getUTCMilliseconds(), p, 3); |
|
} |
|
|
|
function formatUTCMonthNumber(d, p) { |
|
return pad(d.getUTCMonth() + 1, p, 2); |
|
} |
|
|
|
function formatUTCMinutes(d, p) { |
|
return pad(d.getUTCMinutes(), p, 2); |
|
} |
|
|
|
function formatUTCSeconds(d, p) { |
|
return pad(d.getUTCSeconds(), p, 2); |
|
} |
|
|
|
function formatUTCWeekNumberSunday(d, p) { |
|
return pad(utcWeek.count(utcYear(d), d), p, 2); |
|
} |
|
|
|
function formatUTCWeekdayNumber(d) { |
|
return d.getUTCDay(); |
|
} |
|
|
|
function formatUTCWeekNumberMonday(d, p) { |
|
return pad(utcMonday.count(utcYear(d), d), p, 2); |
|
} |
|
|
|
function formatUTCYear(d, p) { |
|
return pad(d.getUTCFullYear() % 100, p, 2); |
|
} |
|
|
|
function formatUTCFullYear(d, p) { |
|
return pad(d.getUTCFullYear() % 10000, p, 4); |
|
} |
|
|
|
function formatUTCZone() { |
|
return "+0000"; |
|
} |
|
|
|
function formatLiteralPercent() { |
|
return "%"; |
|
} |
|
|
|
var locale$1; |
|
exports.timeFormat; |
|
exports.timeParse; |
|
exports.utcFormat; |
|
exports.utcParse; |
|
|
|
defaultLocale$1({ |
|
dateTime: "%x, %X", |
|
date: "%-m/%-d/%Y", |
|
time: "%-I:%M:%S %p", |
|
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"] |
|
}); |
|
|
|
function defaultLocale$1(definition) { |
|
locale$1 = formatLocale$1(definition); |
|
exports.timeFormat = locale$1.format; |
|
exports.timeParse = locale$1.parse; |
|
exports.utcFormat = locale$1.utcFormat; |
|
exports.utcParse = locale$1.utcParse; |
|
return locale$1; |
|
} |
|
|
|
var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; |
|
|
|
function formatIsoNative(date) { |
|
return date.toISOString(); |
|
} |
|
|
|
var formatIso = Date.prototype.toISOString |
|
? formatIsoNative |
|
: exports.utcFormat(isoSpecifier); |
|
|
|
function parseIsoNative(string) { |
|
var date = new Date(string); |
|
return isNaN(date) ? null : date; |
|
} |
|
|
|
var parseIso = +new Date("2000-01-01T00:00:00.000Z") |
|
? parseIsoNative |
|
: exports.utcParse(isoSpecifier); |
|
|
|
var array$2 = Array.prototype; |
|
|
|
var map$2 = array$2.map; |
|
var slice$3 = array$2.slice; |
|
|
|
var implicit = {name: "implicit"}; |
|
|
|
function ordinal(range) { |
|
var index = map$1(), |
|
domain = [], |
|
unknown = implicit; |
|
|
|
range = range == null ? [] : slice$3.call(range); |
|
|
|
function scale(d) { |
|
var key = d + "", i = index.get(key); |
|
if (!i) { |
|
if (unknown !== implicit) return unknown; |
|
index.set(key, i = domain.push(d)); |
|
} |
|
return range[(i - 1) % range.length]; |
|
} |
|
|
|
scale.domain = function(_) { |
|
if (!arguments.length) return domain.slice(); |
|
domain = [], index = map$1(); |
|
var i = -1, n = _.length, d, key; |
|
while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); |
|
return scale; |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (range = slice$3.call(_), scale) : range.slice(); |
|
}; |
|
|
|
scale.unknown = function(_) { |
|
return arguments.length ? (unknown = _, scale) : unknown; |
|
}; |
|
|
|
scale.copy = function() { |
|
return ordinal() |
|
.domain(domain) |
|
.range(range) |
|
.unknown(unknown); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function band() { |
|
var scale = ordinal().unknown(undefined), |
|
domain = scale.domain, |
|
ordinalRange = scale.range, |
|
range$$ = [0, 1], |
|
step, |
|
bandwidth, |
|
round = false, |
|
paddingInner = 0, |
|
paddingOuter = 0, |
|
align = 0.5; |
|
|
|
delete scale.unknown; |
|
|
|
function rescale() { |
|
var n = domain().length, |
|
reverse = range$$[1] < range$$[0], |
|
start = range$$[reverse - 0], |
|
stop = range$$[1 - reverse]; |
|
step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); |
|
if (round) step = Math.floor(step); |
|
start += (stop - start - step * (n - paddingInner)) * align; |
|
bandwidth = step * (1 - paddingInner); |
|
if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); |
|
var values = range(n).map(function(i) { return start + step * i; }); |
|
return ordinalRange(reverse ? values.reverse() : values); |
|
} |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (domain(_), rescale()) : domain(); |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (range$$ = [+_[0], +_[1]], rescale()) : range$$.slice(); |
|
}; |
|
|
|
scale.rangeRound = function(_) { |
|
return range$$ = [+_[0], +_[1]], round = true, rescale(); |
|
}; |
|
|
|
scale.bandwidth = function() { |
|
return bandwidth; |
|
}; |
|
|
|
scale.step = function() { |
|
return step; |
|
}; |
|
|
|
scale.round = function(_) { |
|
return arguments.length ? (round = !!_, rescale()) : round; |
|
}; |
|
|
|
scale.padding = function(_) { |
|
return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; |
|
}; |
|
|
|
scale.paddingInner = function(_) { |
|
return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; |
|
}; |
|
|
|
scale.paddingOuter = function(_) { |
|
return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; |
|
}; |
|
|
|
scale.align = function(_) { |
|
return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; |
|
}; |
|
|
|
scale.copy = function() { |
|
return band() |
|
.domain(domain()) |
|
.range(range$$) |
|
.round(round) |
|
.paddingInner(paddingInner) |
|
.paddingOuter(paddingOuter) |
|
.align(align); |
|
}; |
|
|
|
return rescale(); |
|
} |
|
|
|
function pointish(scale) { |
|
var copy = scale.copy; |
|
|
|
scale.padding = scale.paddingOuter; |
|
delete scale.paddingInner; |
|
delete scale.paddingOuter; |
|
|
|
scale.copy = function() { |
|
return pointish(copy()); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function point$4() { |
|
return pointish(band().paddingInner(1)); |
|
} |
|
|
|
function constant$3(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function number$1(x) { |
|
return +x; |
|
} |
|
|
|
var unit = [0, 1]; |
|
|
|
function deinterpolate(a, b) { |
|
return (b -= (a = +a)) |
|
? function(x) { return (x - a) / b; } |
|
: constant$3(b); |
|
} |
|
|
|
function deinterpolateClamp(deinterpolate) { |
|
return function(a, b) { |
|
var d = deinterpolate(a = +a, b = +b); |
|
return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; |
|
}; |
|
} |
|
|
|
function reinterpolateClamp(reinterpolate) { |
|
return function(a, b) { |
|
var r = reinterpolate(a = +a, b = +b); |
|
return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; |
|
}; |
|
} |
|
|
|
function bimap(domain, range, deinterpolate, reinterpolate) { |
|
var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; |
|
if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); |
|
else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); |
|
return function(x) { return r0(d0(x)); }; |
|
} |
|
|
|
function polymap(domain, range, deinterpolate, reinterpolate) { |
|
var j = Math.min(domain.length, range.length) - 1, |
|
d = new Array(j), |
|
r = new Array(j), |
|
i = -1; |
|
|
|
// Reverse descending domains. |
|
if (domain[j] < domain[0]) { |
|
domain = domain.slice().reverse(); |
|
range = range.slice().reverse(); |
|
} |
|
|
|
while (++i < j) { |
|
d[i] = deinterpolate(domain[i], domain[i + 1]); |
|
r[i] = reinterpolate(range[i], range[i + 1]); |
|
} |
|
|
|
return function(x) { |
|
var i = bisectRight(domain, x, 1, j) - 1; |
|
return r[i](d[i](x)); |
|
}; |
|
} |
|
|
|
function copy(source, target) { |
|
return target |
|
.domain(source.domain()) |
|
.range(source.range()) |
|
.interpolate(source.interpolate()) |
|
.clamp(source.clamp()); |
|
} |
|
|
|
// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. |
|
// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. |
|
function continuous(deinterpolate$$, reinterpolate) { |
|
var domain = unit, |
|
range = unit, |
|
interpolate$$ = interpolate, |
|
clamp = false, |
|
piecewise, |
|
output, |
|
input; |
|
|
|
function rescale() { |
|
piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; |
|
output = input = null; |
|
return scale; |
|
} |
|
|
|
function scale(x) { |
|
return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate$$) : deinterpolate$$, interpolate$$)))(+x); |
|
} |
|
|
|
scale.invert = function(y) { |
|
return (input || (input = piecewise(range, domain, deinterpolate, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); |
|
}; |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (domain = map$2.call(_, number$1), rescale()) : domain.slice(); |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); |
|
}; |
|
|
|
scale.rangeRound = function(_) { |
|
return range = slice$3.call(_), interpolate$$ = interpolateRound, rescale(); |
|
}; |
|
|
|
scale.clamp = function(_) { |
|
return arguments.length ? (clamp = !!_, rescale()) : clamp; |
|
}; |
|
|
|
scale.interpolate = function(_) { |
|
return arguments.length ? (interpolate$$ = _, rescale()) : interpolate$$; |
|
}; |
|
|
|
return rescale(); |
|
} |
|
|
|
function tickFormat(domain, count, specifier) { |
|
var start = domain[0], |
|
stop = domain[domain.length - 1], |
|
step = tickStep(start, stop, count == null ? 10 : count), |
|
precision; |
|
specifier = formatSpecifier(specifier == null ? ",f" : specifier); |
|
switch (specifier.type) { |
|
case "s": { |
|
var value = Math.max(Math.abs(start), Math.abs(stop)); |
|
if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; |
|
return exports.formatPrefix(specifier, value); |
|
} |
|
case "": |
|
case "e": |
|
case "g": |
|
case "p": |
|
case "r": { |
|
if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); |
|
break; |
|
} |
|
case "f": |
|
case "%": { |
|
if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; |
|
break; |
|
} |
|
} |
|
return exports.format(specifier); |
|
} |
|
|
|
function linearish(scale) { |
|
var domain = scale.domain; |
|
|
|
scale.ticks = function(count) { |
|
var d = domain(); |
|
return ticks(d[0], d[d.length - 1], count == null ? 10 : count); |
|
}; |
|
|
|
scale.tickFormat = function(count, specifier) { |
|
return tickFormat(domain(), count, specifier); |
|
}; |
|
|
|
scale.nice = function(count) { |
|
var d = domain(), |
|
i = d.length - 1, |
|
n = count == null ? 10 : count, |
|
start = d[0], |
|
stop = d[i], |
|
step = tickStep(start, stop, n); |
|
|
|
if (step) { |
|
step = tickStep(Math.floor(start / step) * step, Math.ceil(stop / step) * step, n); |
|
d[0] = Math.floor(start / step) * step; |
|
d[i] = Math.ceil(stop / step) * step; |
|
domain(d); |
|
} |
|
|
|
return scale; |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function linear$2() { |
|
var scale = continuous(deinterpolate, interpolateNumber); |
|
|
|
scale.copy = function() { |
|
return copy(scale, linear$2()); |
|
}; |
|
|
|
return linearish(scale); |
|
} |
|
|
|
function identity$4() { |
|
var domain = [0, 1]; |
|
|
|
function scale(x) { |
|
return +x; |
|
} |
|
|
|
scale.invert = scale; |
|
|
|
scale.domain = scale.range = function(_) { |
|
return arguments.length ? (domain = map$2.call(_, number$1), scale) : domain.slice(); |
|
}; |
|
|
|
scale.copy = function() { |
|
return identity$4().domain(domain); |
|
}; |
|
|
|
return linearish(scale); |
|
} |
|
|
|
function nice(domain, interval) { |
|
domain = domain.slice(); |
|
|
|
var i0 = 0, |
|
i1 = domain.length - 1, |
|
x0 = domain[i0], |
|
x1 = domain[i1], |
|
t; |
|
|
|
if (x1 < x0) { |
|
t = i0, i0 = i1, i1 = t; |
|
t = x0, x0 = x1, x1 = t; |
|
} |
|
|
|
domain[i0] = interval.floor(x0); |
|
domain[i1] = interval.ceil(x1); |
|
return domain; |
|
} |
|
|
|
function deinterpolate$1(a, b) { |
|
return (b = Math.log(b / a)) |
|
? function(x) { return Math.log(x / a) / b; } |
|
: constant$3(b); |
|
} |
|
|
|
function reinterpolate(a, b) { |
|
return a < 0 |
|
? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } |
|
: function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; |
|
} |
|
|
|
function pow10(x) { |
|
return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; |
|
} |
|
|
|
function powp(base) { |
|
return base === 10 ? pow10 |
|
: base === Math.E ? Math.exp |
|
: function(x) { return Math.pow(base, x); }; |
|
} |
|
|
|
function logp(base) { |
|
return base === Math.E ? Math.log |
|
: base === 10 && Math.log10 |
|
|| base === 2 && Math.log2 |
|
|| (base = Math.log(base), function(x) { return Math.log(x) / base; }); |
|
} |
|
|
|
function reflect(f) { |
|
return function(x) { |
|
return -f(-x); |
|
}; |
|
} |
|
|
|
function log() { |
|
var scale = continuous(deinterpolate$1, reinterpolate).domain([1, 10]), |
|
domain = scale.domain, |
|
base = 10, |
|
logs = logp(10), |
|
pows = powp(10); |
|
|
|
function rescale() { |
|
logs = logp(base), pows = powp(base); |
|
if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); |
|
return scale; |
|
} |
|
|
|
scale.base = function(_) { |
|
return arguments.length ? (base = +_, rescale()) : base; |
|
}; |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (domain(_), rescale()) : domain(); |
|
}; |
|
|
|
scale.ticks = function(count) { |
|
var d = domain(), |
|
u = d[0], |
|
v = d[d.length - 1], |
|
r; |
|
|
|
if (r = v < u) i = u, u = v, v = i; |
|
|
|
var i = logs(u), |
|
j = logs(v), |
|
p, |
|
k, |
|
t, |
|
n = count == null ? 10 : +count, |
|
z = []; |
|
|
|
if (!(base % 1) && j - i < n) { |
|
i = Math.round(i) - 1, j = Math.round(j) + 1; |
|
if (u > 0) for (; i < j; ++i) { |
|
for (k = 1, p = pows(i); k < base; ++k) { |
|
t = p * k; |
|
if (t < u) continue; |
|
if (t > v) break; |
|
z.push(t); |
|
} |
|
} else for (; i < j; ++i) { |
|
for (k = base - 1, p = pows(i); k >= 1; --k) { |
|
t = p * k; |
|
if (t < u) continue; |
|
if (t > v) break; |
|
z.push(t); |
|
} |
|
} |
|
} else { |
|
z = ticks(i, j, Math.min(j - i, n)).map(pows); |
|
} |
|
|
|
return r ? z.reverse() : z; |
|
}; |
|
|
|
scale.tickFormat = function(count, specifier) { |
|
if (specifier == null) specifier = base === 10 ? ".0e" : ","; |
|
if (typeof specifier !== "function") specifier = exports.format(specifier); |
|
if (count === Infinity) return specifier; |
|
if (count == null) count = 10; |
|
var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? |
|
return function(d) { |
|
var i = d / pows(Math.round(logs(d))); |
|
if (i * base < base - 0.5) i *= base; |
|
return i <= k ? specifier(d) : ""; |
|
}; |
|
}; |
|
|
|
scale.nice = function() { |
|
return domain(nice(domain(), { |
|
floor: function(x) { return pows(Math.floor(logs(x))); }, |
|
ceil: function(x) { return pows(Math.ceil(logs(x))); } |
|
})); |
|
}; |
|
|
|
scale.copy = function() { |
|
return copy(scale, log().base(base)); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function raise(x, exponent) { |
|
return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); |
|
} |
|
|
|
function pow() { |
|
var exponent = 1, |
|
scale = continuous(deinterpolate, reinterpolate), |
|
domain = scale.domain; |
|
|
|
function deinterpolate(a, b) { |
|
return (b = raise(b, exponent) - (a = raise(a, exponent))) |
|
? function(x) { return (raise(x, exponent) - a) / b; } |
|
: constant$3(b); |
|
} |
|
|
|
function reinterpolate(a, b) { |
|
b = raise(b, exponent) - (a = raise(a, exponent)); |
|
return function(t) { return raise(a + b * t, 1 / exponent); }; |
|
} |
|
|
|
scale.exponent = function(_) { |
|
return arguments.length ? (exponent = +_, domain(domain())) : exponent; |
|
}; |
|
|
|
scale.copy = function() { |
|
return copy(scale, pow().exponent(exponent)); |
|
}; |
|
|
|
return linearish(scale); |
|
} |
|
|
|
function sqrt() { |
|
return pow().exponent(0.5); |
|
} |
|
|
|
function quantile() { |
|
var domain = [], |
|
range = [], |
|
thresholds = []; |
|
|
|
function rescale() { |
|
var i = 0, n = Math.max(1, range.length); |
|
thresholds = new Array(n - 1); |
|
while (++i < n) thresholds[i - 1] = threshold(domain, i / n); |
|
return scale; |
|
} |
|
|
|
function scale(x) { |
|
if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; |
|
} |
|
|
|
scale.invertExtent = function(y) { |
|
var i = range.indexOf(y); |
|
return i < 0 ? [NaN, NaN] : [ |
|
i > 0 ? thresholds[i - 1] : domain[0], |
|
i < thresholds.length ? thresholds[i] : domain[domain.length - 1] |
|
]; |
|
}; |
|
|
|
scale.domain = function(_) { |
|
if (!arguments.length) return domain.slice(); |
|
domain = []; |
|
for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); |
|
domain.sort(ascending); |
|
return rescale(); |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (range = slice$3.call(_), rescale()) : range.slice(); |
|
}; |
|
|
|
scale.quantiles = function() { |
|
return thresholds.slice(); |
|
}; |
|
|
|
scale.copy = function() { |
|
return quantile() |
|
.domain(domain) |
|
.range(range); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function quantize$1() { |
|
var x0 = 0, |
|
x1 = 1, |
|
n = 1, |
|
domain = [0.5], |
|
range = [0, 1]; |
|
|
|
function scale(x) { |
|
if (x <= x) return range[bisectRight(domain, x, 0, n)]; |
|
} |
|
|
|
function rescale() { |
|
var i = -1; |
|
domain = new Array(n); |
|
while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); |
|
return scale; |
|
} |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (n = (range = slice$3.call(_)).length - 1, rescale()) : range.slice(); |
|
}; |
|
|
|
scale.invertExtent = function(y) { |
|
var i = range.indexOf(y); |
|
return i < 0 ? [NaN, NaN] |
|
: i < 1 ? [x0, domain[0]] |
|
: i >= n ? [domain[n - 1], x1] |
|
: [domain[i - 1], domain[i]]; |
|
}; |
|
|
|
scale.copy = function() { |
|
return quantize$1() |
|
.domain([x0, x1]) |
|
.range(range); |
|
}; |
|
|
|
return linearish(scale); |
|
} |
|
|
|
function threshold$1() { |
|
var domain = [0.5], |
|
range = [0, 1], |
|
n = 1; |
|
|
|
function scale(x) { |
|
if (x <= x) return range[bisectRight(domain, x, 0, n)]; |
|
} |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (domain = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); |
|
}; |
|
|
|
scale.range = function(_) { |
|
return arguments.length ? (range = slice$3.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); |
|
}; |
|
|
|
scale.invertExtent = function(y) { |
|
var i = range.indexOf(y); |
|
return [domain[i - 1], domain[i]]; |
|
}; |
|
|
|
scale.copy = function() { |
|
return threshold$1() |
|
.domain(domain) |
|
.range(range); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
var durationSecond$1 = 1000; |
|
var durationMinute$1 = durationSecond$1 * 60; |
|
var durationHour$1 = durationMinute$1 * 60; |
|
var durationDay$1 = durationHour$1 * 24; |
|
var durationWeek$1 = durationDay$1 * 7; |
|
var durationMonth = durationDay$1 * 30; |
|
var durationYear = durationDay$1 * 365; |
|
function date$1(t) { |
|
return new Date(t); |
|
} |
|
|
|
function number$2(t) { |
|
return t instanceof Date ? +t : +new Date(+t); |
|
} |
|
|
|
function calendar(year, month, week, day, hour, minute, second, millisecond, format) { |
|
var scale = continuous(deinterpolate, interpolateNumber), |
|
invert = scale.invert, |
|
domain = scale.domain; |
|
|
|
var formatMillisecond = format(".%L"), |
|
formatSecond = format(":%S"), |
|
formatMinute = format("%I:%M"), |
|
formatHour = format("%I %p"), |
|
formatDay = format("%a %d"), |
|
formatWeek = format("%b %d"), |
|
formatMonth = format("%B"), |
|
formatYear = format("%Y"); |
|
|
|
var tickIntervals = [ |
|
[second, 1, durationSecond$1], |
|
[second, 5, 5 * durationSecond$1], |
|
[second, 15, 15 * durationSecond$1], |
|
[second, 30, 30 * durationSecond$1], |
|
[minute, 1, durationMinute$1], |
|
[minute, 5, 5 * durationMinute$1], |
|
[minute, 15, 15 * durationMinute$1], |
|
[minute, 30, 30 * durationMinute$1], |
|
[ hour, 1, durationHour$1 ], |
|
[ hour, 3, 3 * durationHour$1 ], |
|
[ hour, 6, 6 * durationHour$1 ], |
|
[ hour, 12, 12 * durationHour$1 ], |
|
[ day, 1, durationDay$1 ], |
|
[ day, 2, 2 * durationDay$1 ], |
|
[ week, 1, durationWeek$1 ], |
|
[ month, 1, durationMonth ], |
|
[ month, 3, 3 * durationMonth ], |
|
[ year, 1, durationYear ] |
|
]; |
|
|
|
function tickFormat(date) { |
|
return (second(date) < date ? formatMillisecond |
|
: minute(date) < date ? formatSecond |
|
: hour(date) < date ? formatMinute |
|
: day(date) < date ? formatHour |
|
: month(date) < date ? (week(date) < date ? formatDay : formatWeek) |
|
: year(date) < date ? formatMonth |
|
: formatYear)(date); |
|
} |
|
|
|
function tickInterval(interval, start, stop, step) { |
|
if (interval == null) interval = 10; |
|
|
|
// If a desired tick count is specified, pick a reasonable tick interval |
|
// based on the extent of the domain and a rough estimate of tick size. |
|
// Otherwise, assume interval is already a time interval and use it. |
|
if (typeof interval === "number") { |
|
var target = Math.abs(stop - start) / interval, |
|
i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); |
|
if (i === tickIntervals.length) { |
|
step = tickStep(start / durationYear, stop / durationYear, interval); |
|
interval = year; |
|
} else if (i) { |
|
i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; |
|
step = i[1]; |
|
interval = i[0]; |
|
} else { |
|
step = tickStep(start, stop, interval); |
|
interval = millisecond; |
|
} |
|
} |
|
|
|
return step == null ? interval : interval.every(step); |
|
} |
|
|
|
scale.invert = function(y) { |
|
return new Date(invert(y)); |
|
}; |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? domain(map$2.call(_, number$2)) : domain().map(date$1); |
|
}; |
|
|
|
scale.ticks = function(interval, step) { |
|
var d = domain(), |
|
t0 = d[0], |
|
t1 = d[d.length - 1], |
|
r = t1 < t0, |
|
t; |
|
if (r) t = t0, t0 = t1, t1 = t; |
|
t = tickInterval(interval, t0, t1, step); |
|
t = t ? t.range(t0, t1 + 1) : []; // inclusive stop |
|
return r ? t.reverse() : t; |
|
}; |
|
|
|
scale.tickFormat = function(count, specifier) { |
|
return specifier == null ? tickFormat : format(specifier); |
|
}; |
|
|
|
scale.nice = function(interval, step) { |
|
var d = domain(); |
|
return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) |
|
? domain(nice(d, interval)) |
|
: scale; |
|
}; |
|
|
|
scale.copy = function() { |
|
return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format)); |
|
}; |
|
|
|
return scale; |
|
} |
|
|
|
function time() { |
|
return calendar(year, month, timeWeek, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); |
|
} |
|
|
|
function utcTime() { |
|
return calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); |
|
} |
|
|
|
function colors(s) { |
|
return s.match(/.{6}/g).map(function(x) { |
|
return "#" + x; |
|
}); |
|
} |
|
|
|
var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); |
|
|
|
var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); |
|
|
|
var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); |
|
|
|
var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); |
|
|
|
var cubehelix$3 = interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); |
|
|
|
var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); |
|
|
|
var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); |
|
|
|
var rainbow = cubehelix(); |
|
|
|
function rainbow$1(t) { |
|
if (t < 0 || t > 1) t -= Math.floor(t); |
|
var ts = Math.abs(t - 0.5); |
|
rainbow.h = 360 * t - 100; |
|
rainbow.s = 1.5 - 1.5 * ts; |
|
rainbow.l = 0.8 - 0.9 * ts; |
|
return rainbow + ""; |
|
} |
|
|
|
function ramp(range) { |
|
var n = range.length; |
|
return function(t) { |
|
return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; |
|
}; |
|
} |
|
|
|
var viridis = ramp(colors("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")); |
|
|
|
var magma = ramp(colors("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")); |
|
|
|
var inferno = ramp(colors("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")); |
|
|
|
var plasma = ramp(colors("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")); |
|
|
|
function sequential(interpolator) { |
|
var x0 = 0, |
|
x1 = 1, |
|
clamp = false; |
|
|
|
function scale(x) { |
|
var t = (x - x0) / (x1 - x0); |
|
return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); |
|
} |
|
|
|
scale.domain = function(_) { |
|
return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; |
|
}; |
|
|
|
scale.clamp = function(_) { |
|
return arguments.length ? (clamp = !!_, scale) : clamp; |
|
}; |
|
|
|
scale.interpolator = function(_) { |
|
return arguments.length ? (interpolator = _, scale) : interpolator; |
|
}; |
|
|
|
scale.copy = function() { |
|
return sequential(interpolator).domain([x0, x1]).clamp(clamp); |
|
}; |
|
|
|
return linearish(scale); |
|
} |
|
|
|
var xhtml = "http://www.w3.org/1999/xhtml"; |
|
|
|
var namespaces = { |
|
svg: "http://www.w3.org/2000/svg", |
|
xhtml: xhtml, |
|
xlink: "http://www.w3.org/1999/xlink", |
|
xml: "http://www.w3.org/XML/1998/namespace", |
|
xmlns: "http://www.w3.org/2000/xmlns/" |
|
}; |
|
|
|
function namespace(name) { |
|
var prefix = name += "", i = prefix.indexOf(":"); |
|
if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); |
|
return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; |
|
} |
|
|
|
function creatorInherit(name) { |
|
return function() { |
|
var document = this.ownerDocument, |
|
uri = this.namespaceURI; |
|
return uri === xhtml && document.documentElement.namespaceURI === xhtml |
|
? document.createElement(name) |
|
: document.createElementNS(uri, name); |
|
}; |
|
} |
|
|
|
function creatorFixed(fullname) { |
|
return function() { |
|
return this.ownerDocument.createElementNS(fullname.space, fullname.local); |
|
}; |
|
} |
|
|
|
function creator(name) { |
|
var fullname = namespace(name); |
|
return (fullname.local |
|
? creatorFixed |
|
: creatorInherit)(fullname); |
|
} |
|
|
|
var nextId = 0; |
|
|
|
function local() { |
|
return new Local; |
|
} |
|
|
|
function Local() { |
|
this._ = "@" + (++nextId).toString(36); |
|
} |
|
|
|
Local.prototype = local.prototype = { |
|
constructor: Local, |
|
get: function(node) { |
|
var id = this._; |
|
while (!(id in node)) if (!(node = node.parentNode)) return; |
|
return node[id]; |
|
}, |
|
set: function(node, value) { |
|
return node[this._] = value; |
|
}, |
|
remove: function(node) { |
|
return this._ in node && delete node[this._]; |
|
}, |
|
toString: function() { |
|
return this._; |
|
} |
|
}; |
|
|
|
var matcher = function(selector) { |
|
return function() { |
|
return this.matches(selector); |
|
}; |
|
}; |
|
|
|
if (typeof document !== "undefined") { |
|
var element = document.documentElement; |
|
if (!element.matches) { |
|
var vendorMatches = element.webkitMatchesSelector |
|
|| element.msMatchesSelector |
|
|| element.mozMatchesSelector |
|
|| element.oMatchesSelector; |
|
matcher = function(selector) { |
|
return function() { |
|
return vendorMatches.call(this, selector); |
|
}; |
|
}; |
|
} |
|
} |
|
|
|
var matcher$1 = matcher; |
|
|
|
var filterEvents = {}; |
|
|
|
exports.event = null; |
|
|
|
if (typeof document !== "undefined") { |
|
var element$1 = document.documentElement; |
|
if (!("onmouseenter" in element$1)) { |
|
filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; |
|
} |
|
} |
|
|
|
function filterContextListener(listener, index, group) { |
|
listener = contextListener(listener, index, group); |
|
return function(event) { |
|
var related = event.relatedTarget; |
|
if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { |
|
listener.call(this, event); |
|
} |
|
}; |
|
} |
|
|
|
function contextListener(listener, index, group) { |
|
return function(event1) { |
|
var event0 = exports.event; // Events can be reentrant (e.g., focus). |
|
exports.event = event1; |
|
try { |
|
listener.call(this, this.__data__, index, group); |
|
} finally { |
|
exports.event = event0; |
|
} |
|
}; |
|
} |
|
|
|
function parseTypenames$1(typenames) { |
|
return typenames.trim().split(/^|\s+/).map(function(t) { |
|
var name = "", i = t.indexOf("."); |
|
if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); |
|
return {type: t, name: name}; |
|
}); |
|
} |
|
|
|
function onRemove(typename) { |
|
return function() { |
|
var on = this.__on; |
|
if (!on) return; |
|
for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { |
|
if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { |
|
this.removeEventListener(o.type, o.listener, o.capture); |
|
} else { |
|
on[++i] = o; |
|
} |
|
} |
|
if (++i) on.length = i; |
|
else delete this.__on; |
|
}; |
|
} |
|
|
|
function onAdd(typename, value, capture) { |
|
var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; |
|
return function(d, i, group) { |
|
var on = this.__on, o, listener = wrap(value, i, group); |
|
if (on) for (var j = 0, m = on.length; j < m; ++j) { |
|
if ((o = on[j]).type === typename.type && o.name === typename.name) { |
|
this.removeEventListener(o.type, o.listener, o.capture); |
|
this.addEventListener(o.type, o.listener = listener, o.capture = capture); |
|
o.value = value; |
|
return; |
|
} |
|
} |
|
this.addEventListener(typename.type, listener, capture); |
|
o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; |
|
if (!on) this.__on = [o]; |
|
else on.push(o); |
|
}; |
|
} |
|
|
|
function selection_on(typename, value, capture) { |
|
var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; |
|
|
|
if (arguments.length < 2) { |
|
var on = this.node().__on; |
|
if (on) for (var j = 0, m = on.length, o; j < m; ++j) { |
|
for (i = 0, o = on[j]; i < n; ++i) { |
|
if ((t = typenames[i]).type === o.type && t.name === o.name) { |
|
return o.value; |
|
} |
|
} |
|
} |
|
return; |
|
} |
|
|
|
on = value ? onAdd : onRemove; |
|
if (capture == null) capture = false; |
|
for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); |
|
return this; |
|
} |
|
|
|
function customEvent(event1, listener, that, args) { |
|
var event0 = exports.event; |
|
event1.sourceEvent = exports.event; |
|
exports.event = event1; |
|
try { |
|
return listener.apply(that, args); |
|
} finally { |
|
exports.event = event0; |
|
} |
|
} |
|
|
|
function sourceEvent() { |
|
var current = exports.event, source; |
|
while (source = current.sourceEvent) current = source; |
|
return current; |
|
} |
|
|
|
function point$5(node, event) { |
|
var svg = node.ownerSVGElement || node; |
|
|
|
if (svg.createSVGPoint) { |
|
var point = svg.createSVGPoint(); |
|
point.x = event.clientX, point.y = event.clientY; |
|
point = point.matrixTransform(node.getScreenCTM().inverse()); |
|
return [point.x, point.y]; |
|
} |
|
|
|
var rect = node.getBoundingClientRect(); |
|
return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; |
|
} |
|
|
|
function mouse(node) { |
|
var event = sourceEvent(); |
|
if (event.changedTouches) event = event.changedTouches[0]; |
|
return point$5(node, event); |
|
} |
|
|
|
function none$2() {} |
|
|
|
function selector(selector) { |
|
return selector == null ? none$2 : function() { |
|
return this.querySelector(selector); |
|
}; |
|
} |
|
|
|
function selection_select(select) { |
|
if (typeof select !== "function") select = selector(select); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { |
|
if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { |
|
if ("__data__" in node) subnode.__data__ = node.__data__; |
|
subgroup[i] = subnode; |
|
} |
|
} |
|
} |
|
|
|
return new Selection(subgroups, this._parents); |
|
} |
|
|
|
function empty() { |
|
return []; |
|
} |
|
|
|
function selectorAll(selector) { |
|
return selector == null ? empty : function() { |
|
return this.querySelectorAll(selector); |
|
}; |
|
} |
|
|
|
function selection_selectAll(select) { |
|
if (typeof select !== "function") select = selectorAll(select); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { |
|
if (node = group[i]) { |
|
subgroups.push(select.call(node, node.__data__, i, group)); |
|
parents.push(node); |
|
} |
|
} |
|
} |
|
|
|
return new Selection(subgroups, parents); |
|
} |
|
|
|
function selection_filter(match) { |
|
if (typeof match !== "function") match = matcher$1(match); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { |
|
if ((node = group[i]) && match.call(node, node.__data__, i, group)) { |
|
subgroup.push(node); |
|
} |
|
} |
|
} |
|
|
|
return new Selection(subgroups, this._parents); |
|
} |
|
|
|
function sparse(update) { |
|
return new Array(update.length); |
|
} |
|
|
|
function selection_enter() { |
|
return new Selection(this._enter || this._groups.map(sparse), this._parents); |
|
} |
|
|
|
function EnterNode(parent, datum) { |
|
this.ownerDocument = parent.ownerDocument; |
|
this.namespaceURI = parent.namespaceURI; |
|
this._next = null; |
|
this._parent = parent; |
|
this.__data__ = datum; |
|
} |
|
|
|
EnterNode.prototype = { |
|
constructor: EnterNode, |
|
appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, |
|
insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, |
|
querySelector: function(selector) { return this._parent.querySelector(selector); }, |
|
querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } |
|
}; |
|
|
|
function constant$4(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
var keyPrefix = "$"; // Protect against keys like “__proto__”. |
|
|
|
function bindIndex(parent, group, enter, update, exit, data) { |
|
var i = 0, |
|
node, |
|
groupLength = group.length, |
|
dataLength = data.length; |
|
|
|
// Put any non-null nodes that fit into update. |
|
// Put any null nodes into enter. |
|
// Put any remaining data into enter. |
|
for (; i < dataLength; ++i) { |
|
if (node = group[i]) { |
|
node.__data__ = data[i]; |
|
update[i] = node; |
|
} else { |
|
enter[i] = new EnterNode(parent, data[i]); |
|
} |
|
} |
|
|
|
// Put any non-null nodes that don’t fit into exit. |
|
for (; i < groupLength; ++i) { |
|
if (node = group[i]) { |
|
exit[i] = node; |
|
} |
|
} |
|
} |
|
|
|
function bindKey(parent, group, enter, update, exit, data, key) { |
|
var i, |
|
node, |
|
nodeByKeyValue = {}, |
|
groupLength = group.length, |
|
dataLength = data.length, |
|
keyValues = new Array(groupLength), |
|
keyValue; |
|
|
|
// Compute the key for each node. |
|
// If multiple nodes have the same key, the duplicates are added to exit. |
|
for (i = 0; i < groupLength; ++i) { |
|
if (node = group[i]) { |
|
keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); |
|
if (keyValue in nodeByKeyValue) { |
|
exit[i] = node; |
|
} else { |
|
nodeByKeyValue[keyValue] = node; |
|
} |
|
} |
|
} |
|
|
|
// Compute the key for each datum. |
|
// If there a node associated with this key, join and add it to update. |
|
// If there is not (or the key is a duplicate), add it to enter. |
|
for (i = 0; i < dataLength; ++i) { |
|
keyValue = keyPrefix + key.call(parent, data[i], i, data); |
|
if (node = nodeByKeyValue[keyValue]) { |
|
update[i] = node; |
|
node.__data__ = data[i]; |
|
nodeByKeyValue[keyValue] = null; |
|
} else { |
|
enter[i] = new EnterNode(parent, data[i]); |
|
} |
|
} |
|
|
|
// Add any remaining nodes that were not bound to data to exit. |
|
for (i = 0; i < groupLength; ++i) { |
|
if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { |
|
exit[i] = node; |
|
} |
|
} |
|
} |
|
|
|
function selection_data(value, key) { |
|
if (!value) { |
|
data = new Array(this.size()), j = -1; |
|
this.each(function(d) { data[++j] = d; }); |
|
return data; |
|
} |
|
|
|
var bind = key ? bindKey : bindIndex, |
|
parents = this._parents, |
|
groups = this._groups; |
|
|
|
if (typeof value !== "function") value = constant$4(value); |
|
|
|
for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { |
|
var parent = parents[j], |
|
group = groups[j], |
|
groupLength = group.length, |
|
data = value.call(parent, parent && parent.__data__, j, parents), |
|
dataLength = data.length, |
|
enterGroup = enter[j] = new Array(dataLength), |
|
updateGroup = update[j] = new Array(dataLength), |
|
exitGroup = exit[j] = new Array(groupLength); |
|
|
|
bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); |
|
|
|
// Now connect the enter nodes to their following update node, such that |
|
// appendChild can insert the materialized enter node before this node, |
|
// rather than at the end of the parent node. |
|
for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { |
|
if (previous = enterGroup[i0]) { |
|
if (i0 >= i1) i1 = i0 + 1; |
|
while (!(next = updateGroup[i1]) && ++i1 < dataLength); |
|
previous._next = next || null; |
|
} |
|
} |
|
} |
|
|
|
update = new Selection(update, parents); |
|
update._enter = enter; |
|
update._exit = exit; |
|
return update; |
|
} |
|
|
|
function selection_exit() { |
|
return new Selection(this._exit || this._groups.map(sparse), this._parents); |
|
} |
|
|
|
function selection_merge(selection) { |
|
|
|
for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { |
|
for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { |
|
if (node = group0[i] || group1[i]) { |
|
merge[i] = node; |
|
} |
|
} |
|
} |
|
|
|
for (; j < m0; ++j) { |
|
merges[j] = groups0[j]; |
|
} |
|
|
|
return new Selection(merges, this._parents); |
|
} |
|
|
|
function selection_order() { |
|
|
|
for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { |
|
for (var group = groups[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; |
|
} |
|
|
|
function selection_sort(compare) { |
|
if (!compare) compare = ascending$2; |
|
|
|
function compareNode(a, b) { |
|
return a && b ? compare(a.__data__, b.__data__) : !a - !b; |
|
} |
|
|
|
for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { |
|
if (node = group[i]) { |
|
sortgroup[i] = node; |
|
} |
|
} |
|
sortgroup.sort(compareNode); |
|
} |
|
|
|
return new Selection(sortgroups, this._parents).order(); |
|
} |
|
|
|
function ascending$2(a, b) { |
|
return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; |
|
} |
|
|
|
function selection_call() { |
|
var callback = arguments[0]; |
|
arguments[0] = this; |
|
callback.apply(null, arguments); |
|
return this; |
|
} |
|
|
|
function selection_nodes() { |
|
var nodes = new Array(this.size()), i = -1; |
|
this.each(function() { nodes[++i] = this; }); |
|
return nodes; |
|
} |
|
|
|
function selection_node() { |
|
|
|
for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { |
|
for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { |
|
var node = group[i]; |
|
if (node) return node; |
|
} |
|
} |
|
|
|
return null; |
|
} |
|
|
|
function selection_size() { |
|
var size = 0; |
|
this.each(function() { ++size; }); |
|
return size; |
|
} |
|
|
|
function selection_empty() { |
|
return !this.node(); |
|
} |
|
|
|
function selection_each(callback) { |
|
|
|
for (var groups = this._groups, 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.call(node, node.__data__, i, group); |
|
} |
|
} |
|
|
|
return this; |
|
} |
|
|
|
function attrRemove(name) { |
|
return function() { |
|
this.removeAttribute(name); |
|
}; |
|
} |
|
|
|
function attrRemoveNS(fullname) { |
|
return function() { |
|
this.removeAttributeNS(fullname.space, fullname.local); |
|
}; |
|
} |
|
|
|
function attrConstant(name, value) { |
|
return function() { |
|
this.setAttribute(name, value); |
|
}; |
|
} |
|
|
|
function attrConstantNS(fullname, value) { |
|
return function() { |
|
this.setAttributeNS(fullname.space, fullname.local, value); |
|
}; |
|
} |
|
|
|
function attrFunction(name, value) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
if (v == null) this.removeAttribute(name); |
|
else this.setAttribute(name, v); |
|
}; |
|
} |
|
|
|
function attrFunctionNS(fullname, value) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
if (v == null) this.removeAttributeNS(fullname.space, fullname.local); |
|
else this.setAttributeNS(fullname.space, fullname.local, v); |
|
}; |
|
} |
|
|
|
function selection_attr(name, value) { |
|
var fullname = namespace(name); |
|
|
|
if (arguments.length < 2) { |
|
var node = this.node(); |
|
return fullname.local |
|
? node.getAttributeNS(fullname.space, fullname.local) |
|
: node.getAttribute(fullname); |
|
} |
|
|
|
return this.each((value == null |
|
? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" |
|
? (fullname.local ? attrFunctionNS : attrFunction) |
|
: (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); |
|
} |
|
|
|
function window$1(node) { |
|
return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node |
|
|| (node.document && node) // node is a Window |
|
|| node.defaultView; // node is a Document |
|
} |
|
|
|
function styleRemove(name) { |
|
return function() { |
|
this.style.removeProperty(name); |
|
}; |
|
} |
|
|
|
function styleConstant(name, value, priority) { |
|
return function() { |
|
this.style.setProperty(name, value, priority); |
|
}; |
|
} |
|
|
|
function styleFunction(name, value, priority) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
if (v == null) this.style.removeProperty(name); |
|
else this.style.setProperty(name, v, priority); |
|
}; |
|
} |
|
|
|
function selection_style(name, value, priority) { |
|
var node; |
|
return arguments.length > 1 |
|
? this.each((value == null |
|
? styleRemove : typeof value === "function" |
|
? styleFunction |
|
: styleConstant)(name, value, priority == null ? "" : priority)) |
|
: window$1(node = this.node()) |
|
.getComputedStyle(node, null) |
|
.getPropertyValue(name); |
|
} |
|
|
|
function propertyRemove(name) { |
|
return function() { |
|
delete this[name]; |
|
}; |
|
} |
|
|
|
function propertyConstant(name, value) { |
|
return function() { |
|
this[name] = value; |
|
}; |
|
} |
|
|
|
function propertyFunction(name, value) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
if (v == null) delete this[name]; |
|
else this[name] = v; |
|
}; |
|
} |
|
|
|
function selection_property(name, value) { |
|
return arguments.length > 1 |
|
? this.each((value == null |
|
? propertyRemove : typeof value === "function" |
|
? propertyFunction |
|
: propertyConstant)(name, value)) |
|
: this.node()[name]; |
|
} |
|
|
|
function classArray(string) { |
|
return string.trim().split(/^|\s+/); |
|
} |
|
|
|
function classList(node) { |
|
return node.classList || new ClassList(node); |
|
} |
|
|
|
function ClassList(node) { |
|
this._node = node; |
|
this._names = classArray(node.getAttribute("class") || ""); |
|
} |
|
|
|
ClassList.prototype = { |
|
add: function(name) { |
|
var i = this._names.indexOf(name); |
|
if (i < 0) { |
|
this._names.push(name); |
|
this._node.setAttribute("class", this._names.join(" ")); |
|
} |
|
}, |
|
remove: function(name) { |
|
var i = this._names.indexOf(name); |
|
if (i >= 0) { |
|
this._names.splice(i, 1); |
|
this._node.setAttribute("class", this._names.join(" ")); |
|
} |
|
}, |
|
contains: function(name) { |
|
return this._names.indexOf(name) >= 0; |
|
} |
|
}; |
|
|
|
function classedAdd(node, names) { |
|
var list = classList(node), i = -1, n = names.length; |
|
while (++i < n) list.add(names[i]); |
|
} |
|
|
|
function classedRemove(node, names) { |
|
var list = classList(node), i = -1, n = names.length; |
|
while (++i < n) list.remove(names[i]); |
|
} |
|
|
|
function classedTrue(names) { |
|
return function() { |
|
classedAdd(this, names); |
|
}; |
|
} |
|
|
|
function classedFalse(names) { |
|
return function() { |
|
classedRemove(this, names); |
|
}; |
|
} |
|
|
|
function classedFunction(names, value) { |
|
return function() { |
|
(value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); |
|
}; |
|
} |
|
|
|
function selection_classed(name, value) { |
|
var names = classArray(name + ""); |
|
|
|
if (arguments.length < 2) { |
|
var list = classList(this.node()), i = -1, n = names.length; |
|
while (++i < n) if (!list.contains(names[i])) return false; |
|
return true; |
|
} |
|
|
|
return this.each((typeof value === "function" |
|
? classedFunction : value |
|
? classedTrue |
|
: classedFalse)(names, value)); |
|
} |
|
|
|
function textRemove() { |
|
this.textContent = ""; |
|
} |
|
|
|
function textConstant(value) { |
|
return function() { |
|
this.textContent = value; |
|
}; |
|
} |
|
|
|
function textFunction(value) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
this.textContent = v == null ? "" : v; |
|
}; |
|
} |
|
|
|
function selection_text(value) { |
|
return arguments.length |
|
? this.each(value == null |
|
? textRemove : (typeof value === "function" |
|
? textFunction |
|
: textConstant)(value)) |
|
: this.node().textContent; |
|
} |
|
|
|
function htmlRemove() { |
|
this.innerHTML = ""; |
|
} |
|
|
|
function htmlConstant(value) { |
|
return function() { |
|
this.innerHTML = value; |
|
}; |
|
} |
|
|
|
function htmlFunction(value) { |
|
return function() { |
|
var v = value.apply(this, arguments); |
|
this.innerHTML = v == null ? "" : v; |
|
}; |
|
} |
|
|
|
function selection_html(value) { |
|
return arguments.length |
|
? this.each(value == null |
|
? htmlRemove : (typeof value === "function" |
|
? htmlFunction |
|
: htmlConstant)(value)) |
|
: this.node().innerHTML; |
|
} |
|
|
|
function raise$1() { |
|
if (this.nextSibling) this.parentNode.appendChild(this); |
|
} |
|
|
|
function selection_raise() { |
|
return this.each(raise$1); |
|
} |
|
|
|
function lower() { |
|
if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); |
|
} |
|
|
|
function selection_lower() { |
|
return this.each(lower); |
|
} |
|
|
|
function selection_append(name) { |
|
var create = typeof name === "function" ? name : creator(name); |
|
return this.select(function() { |
|
return this.appendChild(create.apply(this, arguments)); |
|
}); |
|
} |
|
|
|
function constantNull() { |
|
return null; |
|
} |
|
|
|
function selection_insert(name, before) { |
|
var create = typeof name === "function" ? name : creator(name), |
|
select = before == null ? constantNull : typeof before === "function" ? before : selector(before); |
|
return this.select(function() { |
|
return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); |
|
}); |
|
} |
|
|
|
function remove() { |
|
var parent = this.parentNode; |
|
if (parent) parent.removeChild(this); |
|
} |
|
|
|
function selection_remove() { |
|
return this.each(remove); |
|
} |
|
|
|
function selection_datum(value) { |
|
return arguments.length |
|
? this.property("__data__", value) |
|
: this.node().__data__; |
|
} |
|
|
|
function dispatchEvent(node, type, params) { |
|
var window = window$1(node), |
|
event = window.CustomEvent; |
|
|
|
if (event) { |
|
event = new event(type, params); |
|
} else { |
|
event = window.document.createEvent("Event"); |
|
if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; |
|
else event.initEvent(type, false, false); |
|
} |
|
|
|
node.dispatchEvent(event); |
|
} |
|
|
|
function dispatchConstant(type, params) { |
|
return function() { |
|
return dispatchEvent(this, type, params); |
|
}; |
|
} |
|
|
|
function dispatchFunction(type, params) { |
|
return function() { |
|
return dispatchEvent(this, type, params.apply(this, arguments)); |
|
}; |
|
} |
|
|
|
function selection_dispatch(type, params) { |
|
return this.each((typeof params === "function" |
|
? dispatchFunction |
|
: dispatchConstant)(type, params)); |
|
} |
|
|
|
var root = [null]; |
|
|
|
function Selection(groups, parents) { |
|
this._groups = groups; |
|
this._parents = parents; |
|
} |
|
|
|
function selection() { |
|
return new Selection([[document.documentElement]], root); |
|
} |
|
|
|
Selection.prototype = selection.prototype = { |
|
constructor: Selection, |
|
select: selection_select, |
|
selectAll: selection_selectAll, |
|
filter: selection_filter, |
|
data: selection_data, |
|
enter: selection_enter, |
|
exit: selection_exit, |
|
merge: selection_merge, |
|
order: selection_order, |
|
sort: selection_sort, |
|
call: selection_call, |
|
nodes: selection_nodes, |
|
node: selection_node, |
|
size: selection_size, |
|
empty: selection_empty, |
|
each: selection_each, |
|
attr: selection_attr, |
|
style: selection_style, |
|
property: selection_property, |
|
classed: selection_classed, |
|
text: selection_text, |
|
html: selection_html, |
|
raise: selection_raise, |
|
lower: selection_lower, |
|
append: selection_append, |
|
insert: selection_insert, |
|
remove: selection_remove, |
|
datum: selection_datum, |
|
on: selection_on, |
|
dispatch: selection_dispatch |
|
}; |
|
|
|
function select(selector) { |
|
return typeof selector === "string" |
|
? new Selection([[document.querySelector(selector)]], [document.documentElement]) |
|
: new Selection([[selector]], root); |
|
} |
|
|
|
function selectAll(selector) { |
|
return typeof selector === "string" |
|
? new Selection([document.querySelectorAll(selector)], [document.documentElement]) |
|
: new Selection([selector == null ? [] : selector], root); |
|
} |
|
|
|
function touch(node, touches, identifier) { |
|
if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; |
|
|
|
for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { |
|
if ((touch = touches[i]).identifier === identifier) { |
|
return point$5(node, touch); |
|
} |
|
} |
|
|
|
return null; |
|
} |
|
|
|
function touches(node, touches) { |
|
if (touches == null) touches = sourceEvent().touches; |
|
|
|
for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { |
|
points[i] = point$5(node, touches[i]); |
|
} |
|
|
|
return points; |
|
} |
|
|
|
var emptyOn = dispatch("start", "end", "interrupt"); |
|
var emptyTween = []; |
|
|
|
var CREATED = 0; |
|
var SCHEDULED = 1; |
|
var STARTING = 2; |
|
var STARTED = 3; |
|
var ENDING = 4; |
|
var ENDED = 5; |
|
|
|
function schedule(node, name, id, index, group, timing) { |
|
var schedules = node.__transition; |
|
if (!schedules) node.__transition = {}; |
|
else if (id in schedules) return; |
|
create(node, id, { |
|
name: name, |
|
index: index, // For context during callback. |
|
group: group, // For context during callback. |
|
on: emptyOn, |
|
tween: emptyTween, |
|
time: timing.time, |
|
delay: timing.delay, |
|
duration: timing.duration, |
|
ease: timing.ease, |
|
timer: null, |
|
state: CREATED |
|
}); |
|
} |
|
|
|
function init(node, id) { |
|
var schedule = node.__transition; |
|
if (!schedule || !(schedule = schedule[id]) || schedule.state > CREATED) throw new Error("too late"); |
|
return schedule; |
|
} |
|
|
|
function set$2(node, id) { |
|
var schedule = node.__transition; |
|
if (!schedule || !(schedule = schedule[id]) || schedule.state > STARTING) throw new Error("too late"); |
|
return schedule; |
|
} |
|
|
|
function get$1(node, id) { |
|
var schedule = node.__transition; |
|
if (!schedule || !(schedule = schedule[id])) throw new Error("too late"); |
|
return schedule; |
|
} |
|
|
|
function create(node, id, self) { |
|
var schedules = node.__transition, |
|
tween; |
|
|
|
// Initialize the self timer when the transition is created. |
|
// Note the actual delay is not known until the first callback! |
|
schedules[id] = self; |
|
self.timer = timer(schedule, 0, self.time); |
|
|
|
// If the delay is greater than this first sleep, sleep some more; |
|
// otherwise, start immediately. |
|
function schedule(elapsed) { |
|
self.state = SCHEDULED; |
|
if (self.delay <= elapsed) start(elapsed - self.delay); |
|
else self.timer.restart(start, self.delay, self.time); |
|
} |
|
|
|
function start(elapsed) { |
|
var i, j, n, o; |
|
|
|
for (i in schedules) { |
|
o = schedules[i]; |
|
if (o.name !== self.name) continue; |
|
|
|
// Interrupt the active transition, if any. |
|
// Dispatch the interrupt event. |
|
if (o.state === STARTED) { |
|
o.state = ENDED; |
|
o.timer.stop(); |
|
o.on.call("interrupt", node, node.__data__, o.index, o.group); |
|
delete schedules[i]; |
|
} |
|
|
|
// Cancel any pre-empted transitions. No interrupt event is dispatched |
|
// because the cancelled transitions never started. Note that this also |
|
// removes this transition from the pending list! |
|
else if (+i < id) { |
|
o.state = ENDED; |
|
o.timer.stop(); |
|
delete schedules[i]; |
|
} |
|
} |
|
|
|
// Defer the first tick to end of the current frame; see mbostock/d3#1576. |
|
// Note the transition may be canceled after start and before the first tick! |
|
// Note this must be scheduled before the start event; see d3/d3-transition#16! |
|
// Assuming this is successful, subsequent callbacks go straight to tick. |
|
timeout$1(function() { |
|
if (self.state === STARTED) { |
|
self.timer.restart(tick, self.delay, self.time); |
|
tick(elapsed); |
|
} |
|
}); |
|
|
|
// Dispatch the start event. |
|
// Note this must be done before the tween are initialized. |
|
self.state = STARTING; |
|
self.on.call("start", node, node.__data__, self.index, self.group); |
|
if (self.state !== STARTING) return; // interrupted |
|
self.state = STARTED; |
|
|
|
// Initialize the tween, deleting null tween. |
|
tween = new Array(n = self.tween.length); |
|
for (i = 0, j = -1; i < n; ++i) { |
|
if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { |
|
tween[++j] = o; |
|
} |
|
} |
|
tween.length = j + 1; |
|
} |
|
|
|
function tick(elapsed) { |
|
var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.state = ENDING, 1), |
|
i = -1, |
|
n = tween.length; |
|
|
|
while (++i < n) { |
|
tween[i].call(null, t); |
|
} |
|
|
|
// Dispatch the end event. |
|
if (self.state === ENDING) { |
|
self.state = ENDED; |
|
self.timer.stop(); |
|
self.on.call("end", node, node.__data__, self.index, self.group); |
|
for (i in schedules) if (+i !== id) return void delete schedules[id]; |
|
delete node.__transition; |
|
} |
|
} |
|
} |
|
|
|
function interrupt(node, name) { |
|
var schedules = node.__transition, |
|
schedule, |
|
active, |
|
empty = true, |
|
i; |
|
|
|
if (!schedules) return; |
|
|
|
name = name == null ? null : name + ""; |
|
|
|
for (i in schedules) { |
|
if ((schedule = schedules[i]).name !== name) { empty = false; continue; } |
|
active = schedule.state === STARTED; |
|
schedule.state = ENDED; |
|
schedule.timer.stop(); |
|
if (active) schedule.on.call("interrupt", node, node.__data__, schedule.index, schedule.group); |
|
delete schedules[i]; |
|
} |
|
|
|
if (empty) delete node.__transition; |
|
} |
|
|
|
function selection_interrupt(name) { |
|
return this.each(function() { |
|
interrupt(this, name); |
|
}); |
|
} |
|
|
|
function tweenRemove(id, name) { |
|
var tween0, tween1; |
|
return function() { |
|
var schedule = set$2(this, id), |
|
tween = schedule.tween; |
|
|
|
// If this node shared tween with the previous node, |
|
// just assign the updated shared tween and we’re done! |
|
// Otherwise, copy-on-write. |
|
if (tween !== tween0) { |
|
tween1 = tween0 = tween; |
|
for (var i = 0, n = tween1.length; i < n; ++i) { |
|
if (tween1[i].name === name) { |
|
tween1 = tween1.slice(); |
|
tween1.splice(i, 1); |
|
break; |
|
} |
|
} |
|
} |
|
|
|
schedule.tween = tween1; |
|
}; |
|
} |
|
|
|
function tweenFunction(id, name, value) { |
|
var tween0, tween1; |
|
if (typeof value !== "function") throw new Error; |
|
return function() { |
|
var schedule = set$2(this, id), |
|
tween = schedule.tween; |
|
|
|
// If this node shared tween with the previous node, |
|
// just assign the updated shared tween and we’re done! |
|
// Otherwise, copy-on-write. |
|
if (tween !== tween0) { |
|
tween1 = (tween0 = tween).slice(); |
|
for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { |
|
if (tween1[i].name === name) { |
|
tween1[i] = t; |
|
break; |
|
} |
|
} |
|
if (i === n) tween1.push(t); |
|
} |
|
|
|
schedule.tween = tween1; |
|
}; |
|
} |
|
|
|
function transition_tween(name, value) { |
|
var id = this._id; |
|
|
|
name += ""; |
|
|
|
if (arguments.length < 2) { |
|
var tween = get$1(this.node(), id).tween; |
|
for (var i = 0, n = tween.length, t; i < n; ++i) { |
|
if ((t = tween[i]).name === name) { |
|
return t.value; |
|
} |
|
} |
|
return null; |
|
} |
|
|
|
return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); |
|
} |
|
|
|
function tweenValue(transition, name, value) { |
|
var id = transition._id; |
|
|
|
transition.each(function() { |
|
var schedule = set$2(this, id); |
|
(schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); |
|
}); |
|
|
|
return function(node) { |
|
return get$1(node, id).value[name]; |
|
}; |
|
} |
|
|
|
function interpolate$1(a, b) { |
|
var c; |
|
return (typeof b === "number" ? interpolateNumber |
|
: b instanceof color ? interpolateRgb |
|
: (c = color(b)) ? (b = c, interpolateRgb) |
|
: interpolateString)(a, b); |
|
} |
|
|
|
function attrRemove$1(name) { |
|
return function() { |
|
this.removeAttribute(name); |
|
}; |
|
} |
|
|
|
function attrRemoveNS$1(fullname) { |
|
return function() { |
|
this.removeAttributeNS(fullname.space, fullname.local); |
|
}; |
|
} |
|
|
|
function attrConstant$1(name, interpolate, value1) { |
|
var value00, |
|
interpolate0; |
|
return function() { |
|
var value0 = this.getAttribute(name); |
|
return value0 === value1 ? null |
|
: value0 === value00 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value1); |
|
}; |
|
} |
|
|
|
function attrConstantNS$1(fullname, interpolate, value1) { |
|
var value00, |
|
interpolate0; |
|
return function() { |
|
var value0 = this.getAttributeNS(fullname.space, fullname.local); |
|
return value0 === value1 ? null |
|
: value0 === value00 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value1); |
|
}; |
|
} |
|
|
|
function attrFunction$1(name, interpolate, value) { |
|
var value00, |
|
value10, |
|
interpolate0; |
|
return function() { |
|
var value0, value1 = value(this); |
|
if (value1 == null) return void this.removeAttribute(name); |
|
value0 = this.getAttribute(name); |
|
return value0 === value1 ? null |
|
: value0 === value00 && value1 === value10 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value10 = value1); |
|
}; |
|
} |
|
|
|
function attrFunctionNS$1(fullname, interpolate, value) { |
|
var value00, |
|
value10, |
|
interpolate0; |
|
return function() { |
|
var value0, value1 = value(this); |
|
if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); |
|
value0 = this.getAttributeNS(fullname.space, fullname.local); |
|
return value0 === value1 ? null |
|
: value0 === value00 && value1 === value10 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value10 = value1); |
|
}; |
|
} |
|
|
|
function transition_attr(name, value) { |
|
var fullname = namespace(name), i = fullname === "transform" ? interpolateTransform$2 : interpolate$1; |
|
return this.attrTween(name, typeof value === "function" |
|
? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) |
|
: value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) |
|
: (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value)); |
|
} |
|
|
|
function attrTweenNS(fullname, value) { |
|
function tween() { |
|
var node = this, i = value.apply(node, arguments); |
|
return i && function(t) { |
|
node.setAttributeNS(fullname.space, fullname.local, i(t)); |
|
}; |
|
} |
|
tween._value = value; |
|
return tween; |
|
} |
|
|
|
function attrTween(name, value) { |
|
function tween() { |
|
var node = this, i = value.apply(node, arguments); |
|
return i && function(t) { |
|
node.setAttribute(name, i(t)); |
|
}; |
|
} |
|
tween._value = value; |
|
return tween; |
|
} |
|
|
|
function transition_attrTween(name, value) { |
|
var key = "attr." + name; |
|
if (arguments.length < 2) return (key = this.tween(key)) && key._value; |
|
if (value == null) return this.tween(key, null); |
|
if (typeof value !== "function") throw new Error; |
|
var fullname = namespace(name); |
|
return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); |
|
} |
|
|
|
function delayFunction(id, value) { |
|
return function() { |
|
init(this, id).delay = +value.apply(this, arguments); |
|
}; |
|
} |
|
|
|
function delayConstant(id, value) { |
|
return value = +value, function() { |
|
init(this, id).delay = value; |
|
}; |
|
} |
|
|
|
function transition_delay(value) { |
|
var id = this._id; |
|
|
|
return arguments.length |
|
? this.each((typeof value === "function" |
|
? delayFunction |
|
: delayConstant)(id, value)) |
|
: get$1(this.node(), id).delay; |
|
} |
|
|
|
function durationFunction(id, value) { |
|
return function() { |
|
set$2(this, id).duration = +value.apply(this, arguments); |
|
}; |
|
} |
|
|
|
function durationConstant(id, value) { |
|
return value = +value, function() { |
|
set$2(this, id).duration = value; |
|
}; |
|
} |
|
|
|
function transition_duration(value) { |
|
var id = this._id; |
|
|
|
return arguments.length |
|
? this.each((typeof value === "function" |
|
? durationFunction |
|
: durationConstant)(id, value)) |
|
: get$1(this.node(), id).duration; |
|
} |
|
|
|
function easeConstant(id, value) { |
|
if (typeof value !== "function") throw new Error; |
|
return function() { |
|
set$2(this, id).ease = value; |
|
}; |
|
} |
|
|
|
function transition_ease(value) { |
|
var id = this._id; |
|
|
|
return arguments.length |
|
? this.each(easeConstant(id, value)) |
|
: get$1(this.node(), id).ease; |
|
} |
|
|
|
function transition_filter(match) { |
|
if (typeof match !== "function") match = matcher$1(match); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { |
|
if ((node = group[i]) && match.call(node, node.__data__, i, group)) { |
|
subgroup.push(node); |
|
} |
|
} |
|
} |
|
|
|
return new Transition(subgroups, this._parents, this._name, this._id); |
|
} |
|
|
|
function transition_merge(transition) { |
|
if (transition._id !== this._id) throw new Error; |
|
|
|
for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { |
|
for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { |
|
if (node = group0[i] || group1[i]) { |
|
merge[i] = node; |
|
} |
|
} |
|
} |
|
|
|
for (; j < m0; ++j) { |
|
merges[j] = groups0[j]; |
|
} |
|
|
|
return new Transition(merges, this._parents, this._name, this._id); |
|
} |
|
|
|
function start$1(name) { |
|
return (name + "").trim().split(/^|\s+/).every(function(t) { |
|
var i = t.indexOf("."); |
|
if (i >= 0) t = t.slice(0, i); |
|
return !t || t === "start"; |
|
}); |
|
} |
|
|
|
function onFunction(id, name, listener) { |
|
var on0, on1, sit = start$1(name) ? init : set$2; |
|
return function() { |
|
var schedule = sit(this, id), |
|
on = schedule.on; |
|
|
|
// If this node shared a dispatch with the previous node, |
|
// just assign the updated shared dispatch and we’re done! |
|
// Otherwise, copy-on-write. |
|
if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); |
|
|
|
schedule.on = on1; |
|
}; |
|
} |
|
|
|
function transition_on(name, listener) { |
|
var id = this._id; |
|
|
|
return arguments.length < 2 |
|
? get$1(this.node(), id).on.on(name) |
|
: this.each(onFunction(id, name, listener)); |
|
} |
|
|
|
function removeFunction(id) { |
|
return function() { |
|
var parent = this.parentNode; |
|
for (var i in this.__transition) if (+i !== id) return; |
|
if (parent) parent.removeChild(this); |
|
}; |
|
} |
|
|
|
function transition_remove() { |
|
return this.on("end.remove", removeFunction(this._id)); |
|
} |
|
|
|
function transition_select(select) { |
|
var name = this._name, |
|
id = this._id; |
|
|
|
if (typeof select !== "function") select = selector(select); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { |
|
if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { |
|
if ("__data__" in node) subnode.__data__ = node.__data__; |
|
subgroup[i] = subnode; |
|
schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); |
|
} |
|
} |
|
} |
|
|
|
return new Transition(subgroups, this._parents, name, id); |
|
} |
|
|
|
function transition_selectAll(select) { |
|
var name = this._name, |
|
id = this._id; |
|
|
|
if (typeof select !== "function") select = selectorAll(select); |
|
|
|
for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { |
|
if (node = group[i]) { |
|
for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { |
|
if (child = children[k]) { |
|
schedule(child, name, id, k, children, inherit); |
|
} |
|
} |
|
subgroups.push(children); |
|
parents.push(node); |
|
} |
|
} |
|
} |
|
|
|
return new Transition(subgroups, parents, name, id); |
|
} |
|
|
|
var Selection$1 = selection.prototype.constructor; |
|
|
|
function transition_selection() { |
|
return new Selection$1(this._groups, this._parents); |
|
} |
|
|
|
function styleRemove$1(name, interpolate) { |
|
var value00, |
|
value10, |
|
interpolate0; |
|
return function() { |
|
var style = window$1(this).getComputedStyle(this, null), |
|
value0 = style.getPropertyValue(name), |
|
value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); |
|
return value0 === value1 ? null |
|
: value0 === value00 && value1 === value10 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value10 = value1); |
|
}; |
|
} |
|
|
|
function styleRemoveEnd(name) { |
|
return function() { |
|
this.style.removeProperty(name); |
|
}; |
|
} |
|
|
|
function styleConstant$1(name, interpolate, value1) { |
|
var value00, |
|
interpolate0; |
|
return function() { |
|
var value0 = window$1(this).getComputedStyle(this, null).getPropertyValue(name); |
|
return value0 === value1 ? null |
|
: value0 === value00 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value1); |
|
}; |
|
} |
|
|
|
function styleFunction$1(name, interpolate, value) { |
|
var value00, |
|
value10, |
|
interpolate0; |
|
return function() { |
|
var style = window$1(this).getComputedStyle(this, null), |
|
value0 = style.getPropertyValue(name), |
|
value1 = value(this); |
|
if (value1 == null) value1 = (this.style.removeProperty(name), style.getPropertyValue(name)); |
|
return value0 === value1 ? null |
|
: value0 === value00 && value1 === value10 ? interpolate0 |
|
: interpolate0 = interpolate(value00 = value0, value10 = value1); |
|
}; |
|
} |
|
|
|
function transition_style(name, value, priority) { |
|
var i = (name += "") === "transform" ? interpolateTransform$1 : interpolate$1; |
|
return value == null ? this |
|
.styleTween(name, styleRemove$1(name, i)) |
|
.on("end.style." + name, styleRemoveEnd(name)) |
|
: this.styleTween(name, typeof value === "function" |
|
? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) |
|
: styleConstant$1(name, i, value), priority); |
|
} |
|
|
|
function styleTween(name, value, priority) { |
|
function tween() { |
|
var node = this, i = value.apply(node, arguments); |
|
return i && function(t) { |
|
node.style.setProperty(name, i(t), priority); |
|
}; |
|
} |
|
tween._value = value; |
|
return tween; |
|
} |
|
|
|
function transition_styleTween(name, value, priority) { |
|
var key = "style." + (name += ""); |
|
if (arguments.length < 2) return (key = this.tween(key)) && key._value; |
|
if (value == null) return this.tween(key, null); |
|
if (typeof value !== "function") throw new Error; |
|
return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); |
|
} |
|
|
|
function textConstant$1(value) { |
|
return function() { |
|
this.textContent = value; |
|
}; |
|
} |
|
|
|
function textFunction$1(value) { |
|
return function() { |
|
var value1 = value(this); |
|
this.textContent = value1 == null ? "" : value1; |
|
}; |
|
} |
|
|
|
function transition_text(value) { |
|
return this.tween("text", typeof value === "function" |
|
? textFunction$1(tweenValue(this, "text", value)) |
|
: textConstant$1(value == null ? "" : value + "")); |
|
} |
|
|
|
function transition_transition() { |
|
var name = this._name, |
|
id0 = this._id, |
|
id1 = newId(); |
|
|
|
for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { |
|
if (node = group[i]) { |
|
var inherit = get$1(node, id0); |
|
schedule(node, name, id1, i, group, { |
|
time: inherit.time + inherit.delay + inherit.duration, |
|
delay: 0, |
|
duration: inherit.duration, |
|
ease: inherit.ease |
|
}); |
|
} |
|
} |
|
} |
|
|
|
return new Transition(groups, this._parents, name, id1); |
|
} |
|
|
|
var id = 0; |
|
|
|
function Transition(groups, parents, name, id) { |
|
this._groups = groups; |
|
this._parents = parents; |
|
this._name = name; |
|
this._id = id; |
|
} |
|
|
|
function transition(name) { |
|
return selection().transition(name); |
|
} |
|
|
|
function newId() { |
|
return ++id; |
|
} |
|
|
|
var selection_prototype = selection.prototype; |
|
|
|
Transition.prototype = transition.prototype = { |
|
constructor: Transition, |
|
select: transition_select, |
|
selectAll: transition_selectAll, |
|
filter: transition_filter, |
|
merge: transition_merge, |
|
selection: transition_selection, |
|
transition: transition_transition, |
|
call: selection_prototype.call, |
|
nodes: selection_prototype.nodes, |
|
node: selection_prototype.node, |
|
size: selection_prototype.size, |
|
empty: selection_prototype.empty, |
|
each: selection_prototype.each, |
|
on: transition_on, |
|
attr: transition_attr, |
|
attrTween: transition_attrTween, |
|
style: transition_style, |
|
styleTween: transition_styleTween, |
|
text: transition_text, |
|
remove: transition_remove, |
|
tween: transition_tween, |
|
delay: transition_delay, |
|
duration: transition_duration, |
|
ease: transition_ease |
|
}; |
|
|
|
var defaultTiming = { |
|
time: null, // Set on use. |
|
delay: 0, |
|
duration: 250, |
|
ease: easeCubicInOut |
|
}; |
|
|
|
function inherit(node, id) { |
|
var timing; |
|
while (!(timing = node.__transition) || !(timing = timing[id])) { |
|
if (!(node = node.parentNode)) { |
|
return defaultTiming.time = now(), defaultTiming; |
|
} |
|
} |
|
return timing; |
|
} |
|
|
|
function selection_transition(name) { |
|
var id, |
|
timing; |
|
|
|
if (name instanceof Transition) { |
|
id = name._id, name = name._name; |
|
} else { |
|
id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; |
|
} |
|
|
|
for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { |
|
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { |
|
if (node = group[i]) { |
|
schedule(node, name, id, i, group, timing || inherit(node, id)); |
|
} |
|
} |
|
} |
|
|
|
return new Transition(groups, this._parents, name, id); |
|
} |
|
|
|
selection.prototype.interrupt = selection_interrupt; |
|
selection.prototype.transition = selection_transition; |
|
|
|
var root$1 = [null]; |
|
|
|
function active(node, name) { |
|
var schedules = node.__transition, |
|
schedule, |
|
i; |
|
|
|
if (schedules) { |
|
name = name == null ? null : name + ""; |
|
for (i in schedules) { |
|
if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) { |
|
return new Transition([[node]], root$1, name, +i); |
|
} |
|
} |
|
} |
|
|
|
return null; |
|
} |
|
|
|
var slice$4 = Array.prototype.slice; |
|
|
|
function identity$5(x) { |
|
return x; |
|
} |
|
|
|
var top = 1; |
|
var right = 2; |
|
var bottom = 3; |
|
var left = 4; |
|
var epsilon$2 = 1e-6; |
|
function translateX(scale0, scale1, d) { |
|
var x = scale0(d); |
|
return "translate(" + (isFinite(x) ? x : scale1(d)) + ",0)"; |
|
} |
|
|
|
function translateY(scale0, scale1, d) { |
|
var y = scale0(d); |
|
return "translate(0," + (isFinite(y) ? y : scale1(d)) + ")"; |
|
} |
|
|
|
function center(scale) { |
|
var offset = scale.bandwidth() / 2; |
|
if (scale.round()) offset = Math.round(offset); |
|
return function(d) { |
|
return scale(d) + offset; |
|
}; |
|
} |
|
|
|
function entering() { |
|
return !this.__axis; |
|
} |
|
|
|
function axis(orient, scale) { |
|
var tickArguments = [], |
|
tickValues = null, |
|
tickFormat = null, |
|
tickSizeInner = 6, |
|
tickSizeOuter = 6, |
|
tickPadding = 3; |
|
|
|
function axis(context) { |
|
var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, |
|
format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$5) : tickFormat, |
|
spacing = Math.max(tickSizeInner, 0) + tickPadding, |
|
transform = orient === top || orient === bottom ? translateX : translateY, |
|
range = scale.range(), |
|
range0 = range[0] + 0.5, |
|
range1 = range[range.length - 1] + 0.5, |
|
position = (scale.bandwidth ? center : identity$5)(scale.copy()), |
|
selection = context.selection ? context.selection() : context, |
|
path = selection.selectAll(".domain").data([null]), |
|
tick = selection.selectAll(".tick").data(values, scale).order(), |
|
tickExit = tick.exit(), |
|
tickEnter = tick.enter().append("g").attr("class", "tick"), |
|
line = tick.select("line"), |
|
text = tick.select("text"), |
|
k = orient === top || orient === left ? -1 : 1, |
|
x, y = orient === left || orient === right ? (x = "x", "y") : (x = "y", "x"); |
|
|
|
path = path.merge(path.enter().insert("path", ".tick") |
|
.attr("class", "domain") |
|
.attr("stroke", "#000")); |
|
|
|
tick = tick.merge(tickEnter); |
|
|
|
line = line.merge(tickEnter.append("line") |
|
.attr("stroke", "#000") |
|
.attr(x + "2", k * tickSizeInner) |
|
.attr(y + "1", 0.5) |
|
.attr(y + "2", 0.5)); |
|
|
|
text = text.merge(tickEnter.append("text") |
|
.attr("fill", "#000") |
|
.attr(x, k * spacing) |
|
.attr(y, 0.5) |
|
.attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); |
|
|
|
if (context !== selection) { |
|
path = path.transition(context); |
|
tick = tick.transition(context); |
|
line = line.transition(context); |
|
text = text.transition(context); |
|
|
|
tickExit = tickExit.transition(context) |
|
.attr("opacity", epsilon$2) |
|
.attr("transform", function(d) { return transform(position, this.parentNode.__axis || position, d); }); |
|
|
|
tickEnter |
|
.attr("opacity", epsilon$2) |
|
.attr("transform", function(d) { return transform(this.parentNode.__axis || position, position, d); }); |
|
} |
|
|
|
tickExit.remove(); |
|
|
|
path |
|
.attr("d", orient === left || orient == right |
|
? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter |
|
: "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); |
|
|
|
tick |
|
.attr("opacity", 1) |
|
.attr("transform", function(d) { return transform(position, position, d); }); |
|
|
|
line |
|
.attr(x + "2", k * tickSizeInner); |
|
|
|
text |
|
.attr(x, k * spacing) |
|
.text(format); |
|
|
|
selection.filter(entering) |
|
.attr("fill", "none") |
|
.attr("font-size", 10) |
|
.attr("font-family", "sans-serif") |
|
.attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); |
|
|
|
selection |
|
.each(function() { this.__axis = position; }); |
|
} |
|
|
|
axis.scale = function(_) { |
|
return arguments.length ? (scale = _, axis) : scale; |
|
}; |
|
|
|
axis.ticks = function() { |
|
return tickArguments = slice$4.call(arguments), axis; |
|
}; |
|
|
|
axis.tickArguments = function(_) { |
|
return arguments.length ? (tickArguments = _ == null ? [] : slice$4.call(_), axis) : tickArguments.slice(); |
|
}; |
|
|
|
axis.tickValues = function(_) { |
|
return arguments.length ? (tickValues = _ == null ? null : slice$4.call(_), axis) : tickValues && tickValues.slice(); |
|
}; |
|
|
|
axis.tickFormat = function(_) { |
|
return arguments.length ? (tickFormat = _, axis) : tickFormat; |
|
}; |
|
|
|
axis.tickSize = function(_) { |
|
return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; |
|
}; |
|
|
|
axis.tickSizeInner = function(_) { |
|
return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; |
|
}; |
|
|
|
axis.tickSizeOuter = function(_) { |
|
return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; |
|
}; |
|
|
|
axis.tickPadding = function(_) { |
|
return arguments.length ? (tickPadding = +_, axis) : tickPadding; |
|
}; |
|
|
|
return axis; |
|
} |
|
|
|
function axisTop(scale) { |
|
return axis(top, scale); |
|
} |
|
|
|
function axisRight(scale) { |
|
return axis(right, scale); |
|
} |
|
|
|
function axisBottom(scale) { |
|
return axis(bottom, scale); |
|
} |
|
|
|
function axisLeft(scale) { |
|
return axis(left, scale); |
|
} |
|
|
|
function defaultSeparation(a, b) { |
|
return a.parent === b.parent ? 1 : 2; |
|
} |
|
|
|
function meanX(children) { |
|
return children.reduce(meanXReduce, 0) / children.length; |
|
} |
|
|
|
function meanXReduce(x, c) { |
|
return x + c.x; |
|
} |
|
|
|
function maxY(children) { |
|
return 1 + children.reduce(maxYReduce, 0); |
|
} |
|
|
|
function maxYReduce(y, c) { |
|
return Math.max(y, c.y); |
|
} |
|
|
|
function leafLeft(node) { |
|
var children; |
|
while (children = node.children) node = children[0]; |
|
return node; |
|
} |
|
|
|
function leafRight(node) { |
|
var children; |
|
while (children = node.children) node = children[children.length - 1]; |
|
return node; |
|
} |
|
|
|
function cluster() { |
|
var separation = defaultSeparation, |
|
dx = 1, |
|
dy = 1, |
|
nodeSize = false; |
|
|
|
function cluster(root) { |
|
var previousNode, |
|
x = 0; |
|
|
|
// First walk, computing the initial x & y values. |
|
root.eachAfter(function(node) { |
|
var children = node.children; |
|
if (children) { |
|
node.x = meanX(children); |
|
node.y = maxY(children); |
|
} else { |
|
node.x = previousNode ? x += separation(node, previousNode) : 0; |
|
node.y = 0; |
|
previousNode = node; |
|
} |
|
}); |
|
|
|
var left = leafLeft(root), |
|
right = leafRight(root), |
|
x0 = left.x - separation(left, right) / 2, |
|
x1 = right.x + separation(right, left) / 2; |
|
|
|
// Second walk, normalizing x & y to the desired size. |
|
return root.eachAfter(nodeSize ? function(node) { |
|
node.x = (node.x - root.x) * dx; |
|
node.y = (root.y - node.y) * dy; |
|
} : function(node) { |
|
node.x = (node.x - x0) / (x1 - x0) * dx; |
|
node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; |
|
}); |
|
} |
|
|
|
cluster.separation = function(x) { |
|
return arguments.length ? (separation = x, cluster) : separation; |
|
}; |
|
|
|
cluster.size = function(x) { |
|
return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); |
|
}; |
|
|
|
cluster.nodeSize = function(x) { |
|
return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); |
|
}; |
|
|
|
return cluster; |
|
} |
|
|
|
function node_each(callback) { |
|
var node = this, current, next = [node], children, i, n; |
|
do { |
|
current = next.reverse(), next = []; |
|
while (node = current.pop()) { |
|
callback(node), children = node.children; |
|
if (children) for (i = 0, n = children.length; i < n; ++i) { |
|
next.push(children[i]); |
|
} |
|
} |
|
} while (next.length); |
|
return this; |
|
} |
|
|
|
function node_eachBefore(callback) { |
|
var node = this, nodes = [node], children, i; |
|
while (node = nodes.pop()) { |
|
callback(node), children = node.children; |
|
if (children) for (i = children.length - 1; i >= 0; --i) { |
|
nodes.push(children[i]); |
|
} |
|
} |
|
return this; |
|
} |
|
|
|
function node_eachAfter(callback) { |
|
var node = this, nodes = [node], next = [], children, i, n; |
|
while (node = nodes.pop()) { |
|
next.push(node), children = node.children; |
|
if (children) for (i = 0, n = children.length; i < n; ++i) { |
|
nodes.push(children[i]); |
|
} |
|
} |
|
while (node = next.pop()) { |
|
callback(node); |
|
} |
|
return this; |
|
} |
|
|
|
function node_sum(value) { |
|
return this.eachAfter(function(node) { |
|
var sum = +value(node.data) || 0, |
|
children = node.children, |
|
i = children && children.length; |
|
while (--i >= 0) sum += children[i].value; |
|
node.value = sum; |
|
}); |
|
} |
|
|
|
function node_sort(compare) { |
|
return this.eachBefore(function(node) { |
|
if (node.children) { |
|
node.children.sort(compare); |
|
} |
|
}); |
|
} |
|
|
|
function node_path(end) { |
|
var start = this, |
|
ancestor = leastCommonAncestor(start, end), |
|
nodes = [start]; |
|
while (start !== ancestor) { |
|
start = start.parent; |
|
nodes.push(start); |
|
} |
|
var k = nodes.length; |
|
while (end !== ancestor) { |
|
nodes.splice(k, 0, end); |
|
end = end.parent; |
|
} |
|
return nodes; |
|
} |
|
|
|
function leastCommonAncestor(a, b) { |
|
if (a === b) return a; |
|
var aNodes = a.ancestors(), |
|
bNodes = b.ancestors(), |
|
c = null; |
|
a = aNodes.pop(); |
|
b = bNodes.pop(); |
|
while (a === b) { |
|
c = a; |
|
a = aNodes.pop(); |
|
b = bNodes.pop(); |
|
} |
|
return c; |
|
} |
|
|
|
function node_ancestors() { |
|
var node = this, nodes = [node]; |
|
while (node = node.parent) { |
|
nodes.push(node); |
|
} |
|
return nodes; |
|
} |
|
|
|
function node_descendants() { |
|
var nodes = []; |
|
this.each(function(node) { |
|
nodes.push(node); |
|
}); |
|
return nodes; |
|
} |
|
|
|
function node_leaves() { |
|
var leaves = []; |
|
this.eachBefore(function(node) { |
|
if (!node.children) { |
|
leaves.push(node); |
|
} |
|
}); |
|
return leaves; |
|
} |
|
|
|
function node_links() { |
|
var root = this, links = []; |
|
root.each(function(node) { |
|
if (node !== root) { // Don’t include the root’s parent, if any. |
|
links.push({source: node.parent, target: node}); |
|
} |
|
}); |
|
return links; |
|
} |
|
|
|
function hierarchy(data, children) { |
|
var root = new Node(data), |
|
valued = +data.value && (root.value = data.value), |
|
node, |
|
nodes = [root], |
|
child, |
|
childs, |
|
i, |
|
n; |
|
|
|
if (children == null) children = defaultChildren; |
|
|
|
while (node = nodes.pop()) { |
|
if (valued) node.value = +node.data.value; |
|
if ((childs = children(node.data)) && (n = childs.length)) { |
|
node.children = new Array(n); |
|
for (i = n - 1; i >= 0; --i) { |
|
nodes.push(child = node.children[i] = new Node(childs[i])); |
|
child.parent = node; |
|
child.depth = node.depth + 1; |
|
} |
|
} |
|
} |
|
|
|
return root.eachBefore(computeHeight); |
|
} |
|
|
|
function node_copy() { |
|
return hierarchy(this).eachBefore(copyData); |
|
} |
|
|
|
function defaultChildren(d) { |
|
return d.children; |
|
} |
|
|
|
function copyData(node) { |
|
node.data = node.data.data; |
|
} |
|
|
|
function computeHeight(node) { |
|
var height = 0; |
|
do node.height = height; |
|
while ((node = node.parent) && (node.height < ++height)); |
|
} |
|
|
|
function Node(data) { |
|
this.data = data; |
|
this.depth = |
|
this.height = 0; |
|
this.parent = null; |
|
} |
|
|
|
Node.prototype = hierarchy.prototype = { |
|
constructor: Node, |
|
each: node_each, |
|
eachAfter: node_eachAfter, |
|
eachBefore: node_eachBefore, |
|
sum: node_sum, |
|
sort: node_sort, |
|
path: node_path, |
|
ancestors: node_ancestors, |
|
descendants: node_descendants, |
|
leaves: node_leaves, |
|
links: node_links, |
|
copy: node_copy |
|
}; |
|
|
|
function Node$2(value) { |
|
this._ = value; |
|
this.next = null; |
|
} |
|
|
|
function shuffle$1(array) { |
|
var i, |
|
n = (array = array.slice()).length, |
|
head = null, |
|
node = head; |
|
|
|
while (n) { |
|
var next = new Node$2(array[n - 1]); |
|
if (node) node = node.next = next; |
|
else node = head = next; |
|
array[i] = array[--n]; |
|
} |
|
|
|
return { |
|
head: head, |
|
tail: node |
|
}; |
|
} |
|
|
|
function enclose(circles) { |
|
return encloseN(shuffle$1(circles), []); |
|
} |
|
|
|
function encloses(a, b) { |
|
var dx = b.x - a.x, |
|
dy = b.y - a.y, |
|
dr = a.r - b.r; |
|
return dr * dr + 1e-6 > dx * dx + dy * dy; |
|
} |
|
|
|
// Returns the smallest circle that contains circles L and intersects circles B. |
|
function encloseN(L, B) { |
|
var circle, |
|
l0 = null, |
|
l1 = L.head, |
|
l2, |
|
p1; |
|
|
|
switch (B.length) { |
|
case 1: circle = enclose1(B[0]); break; |
|
case 2: circle = enclose2(B[0], B[1]); break; |
|
case 3: circle = enclose3(B[0], B[1], B[2]); break; |
|
} |
|
|
|
while (l1) { |
|
p1 = l1._, l2 = l1.next; |
|
if (!circle || !encloses(circle, p1)) { |
|
|
|
// Temporarily truncate L before l1. |
|
if (l0) L.tail = l0, l0.next = null; |
|
else L.head = L.tail = null; |
|
|
|
B.push(p1); |
|
circle = encloseN(L, B); // Note: reorders L! |
|
B.pop(); |
|
|
|
// Move l1 to the front of L and reconnect the truncated list L. |
|
if (L.head) l1.next = L.head, L.head = l1; |
|
else l1.next = null, L.head = L.tail = l1; |
|
l0 = L.tail, l0.next = l2; |
|
|
|
} else { |
|
l0 = l1; |
|
} |
|
l1 = l2; |
|
} |
|
|
|
L.tail = l0; |
|
return circle; |
|
} |
|
|
|
function enclose1(a) { |
|
return { |
|
x: a.x, |
|
y: a.y, |
|
r: a.r |
|
}; |
|
} |
|
|
|
function enclose2(a, b) { |
|
var x1 = a.x, y1 = a.y, r1 = a.r, |
|
x2 = b.x, y2 = b.y, r2 = b.r, |
|
x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, |
|
l = Math.sqrt(x21 * x21 + y21 * y21); |
|
return { |
|
x: (x1 + x2 + x21 / l * r21) / 2, |
|
y: (y1 + y2 + y21 / l * r21) / 2, |
|
r: (l + r1 + r2) / 2 |
|
}; |
|
} |
|
|
|
function enclose3(a, b, c) { |
|
var x1 = a.x, y1 = a.y, r1 = a.r, |
|
x2 = b.x, y2 = b.y, r2 = b.r, |
|
x3 = c.x, y3 = c.y, r3 = c.r, |
|
a2 = 2 * (x1 - x2), |
|
b2 = 2 * (y1 - y2), |
|
c2 = 2 * (r2 - r1), |
|
d2 = x1 * x1 + y1 * y1 - r1 * r1 - x2 * x2 - y2 * y2 + r2 * r2, |
|
a3 = 2 * (x1 - x3), |
|
b3 = 2 * (y1 - y3), |
|
c3 = 2 * (r3 - r1), |
|
d3 = x1 * x1 + y1 * y1 - r1 * r1 - x3 * x3 - y3 * y3 + r3 * r3, |
|
ab = a3 * b2 - a2 * b3, |
|
xa = (b2 * d3 - b3 * d2) / ab - x1, |
|
xb = (b3 * c2 - b2 * c3) / ab, |
|
ya = (a3 * d2 - a2 * d3) / ab - y1, |
|
yb = (a2 * c3 - a3 * c2) / ab, |
|
A = xb * xb + yb * yb - 1, |
|
B = 2 * (xa * xb + ya * yb + r1), |
|
C = xa * xa + ya * ya - r1 * r1, |
|
r = (-B - Math.sqrt(B * B - 4 * A * C)) / (2 * A); |
|
return { |
|
x: xa + xb * r + x1, |
|
y: ya + yb * r + y1, |
|
r: r |
|
}; |
|
} |
|
|
|
function place(a, b, c) { |
|
var ax = a.x, |
|
ay = a.y, |
|
da = b.r + c.r, |
|
db = a.r + c.r, |
|
dx = b.x - ax, |
|
dy = b.y - ay, |
|
dc = dx * dx + dy * dy; |
|
if (dc) { |
|
var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), |
|
y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); |
|
c.x = ax + x * dx + y * dy; |
|
c.y = ay + x * dy - y * dx; |
|
} else { |
|
c.x = ax + db; |
|
c.y = ay; |
|
} |
|
} |
|
|
|
function intersects(a, b) { |
|
var dx = b.x - a.x, |
|
dy = b.y - a.y, |
|
dr = a.r + b.r; |
|
return dr * dr > dx * dx + dy * dy; |
|
} |
|
|
|
function distance2(circle, x, y) { |
|
var dx = circle.x - x, |
|
dy = circle.y - y; |
|
return dx * dx + dy * dy; |
|
} |
|
|
|
function Node$1(circle) { |
|
this._ = circle; |
|
this.next = null; |
|
this.previous = null; |
|
} |
|
|
|
function packEnclose(circles) { |
|
if (!(n = circles.length)) return 0; |
|
|
|
var a, b, c, n; |
|
|
|
// Place the first circle. |
|
a = circles[0], a.x = 0, a.y = 0; |
|
if (!(n > 1)) return a.r; |
|
|
|
// Place the second circle. |
|
b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; |
|
if (!(n > 2)) return a.r + b.r; |
|
|
|
// Place the third circle. |
|
place(b, a, c = circles[2]); |
|
|
|
// Initialize the weighted centroid. |
|
var aa = a.r * a.r, |
|
ba = b.r * b.r, |
|
ca = c.r * c.r, |
|
oa = aa + ba + ca, |
|
ox = aa * a.x + ba * b.x + ca * c.x, |
|
oy = aa * a.y + ba * b.y + ca * c.y, |
|
cx, cy, i, j, k, sj, sk; |
|
|
|
// Initialize the front-chain using the first three circles a, b and c. |
|
a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); |
|
a.next = c.previous = b; |
|
b.next = a.previous = c; |
|
c.next = b.previous = a; |
|
|
|
// Attempt to place each remaining circle… |
|
pack: for (i = 3; i < n; ++i) { |
|
place(a._, b._, c = circles[i]), c = new Node$1(c); |
|
|
|
// If there are only three elements in the front-chain… |
|
if ((k = a.previous) === (j = b.next)) { |
|
// If the new circle intersects the third circle, |
|
// rotate the front chain to try the next position. |
|
if (intersects(j._, c._)) { |
|
a = b, b = j, --i; |
|
continue pack; |
|
} |
|
} |
|
|
|
// Find the closest intersecting circle on the front-chain, if any. |
|
else { |
|
sj = j._.r, sk = k._.r; |
|
do { |
|
if (sj <= sk) { |
|
if (intersects(j._, c._)) { |
|
b = j, a.next = b, b.previous = a, --i; |
|
continue pack; |
|
} |
|
j = j.next, sj += j._.r; |
|
} else { |
|
if (intersects(k._, c._)) { |
|
a = k, a.next = b, b.previous = a, --i; |
|
continue pack; |
|
} |
|
k = k.previous, sk += k._.r; |
|
} |
|
} while (j !== k.next); |
|
} |
|
|
|
// Success! Insert the new circle c between a and b. |
|
c.previous = a, c.next = b, a.next = b.previous = b = c; |
|
|
|
// Update the weighted centroid. |
|
oa += ca = c._.r * c._.r; |
|
ox += ca * c._.x; |
|
oy += ca * c._.y; |
|
|
|
// Compute the new closest circle a to centroid. |
|
aa = distance2(a._, cx = ox / oa, cy = oy / oa); |
|
while ((c = c.next) !== b) { |
|
if ((ca = distance2(c._, cx, cy)) < aa) { |
|
a = c, aa = ca; |
|
} |
|
} |
|
b = a.next; |
|
} |
|
|
|
// Compute the enclosing circle of the front chain. |
|
a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); |
|
|
|
// Translate the circles to put the enclosing circle around the origin. |
|
for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; |
|
|
|
return c.r; |
|
} |
|
|
|
function siblings(circles) { |
|
packEnclose(circles); |
|
return circles; |
|
} |
|
|
|
function optional(f) { |
|
return f == null ? null : required(f); |
|
} |
|
|
|
function required(f) { |
|
if (typeof f !== "function") throw new Error; |
|
return f; |
|
} |
|
|
|
function constantZero() { |
|
return 0; |
|
} |
|
|
|
function constant$5(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function defaultRadius(d) { |
|
return Math.sqrt(d.value); |
|
} |
|
|
|
function index() { |
|
var radius = null, |
|
dx = 1, |
|
dy = 1, |
|
padding = constantZero; |
|
|
|
function pack(root) { |
|
root.x = dx / 2, root.y = dy / 2; |
|
if (radius) { |
|
root.eachBefore(radiusLeaf(radius)) |
|
.eachAfter(packChildren(padding, 0.5)) |
|
.eachBefore(translateChild(1)); |
|
} else { |
|
root.eachBefore(radiusLeaf(defaultRadius)) |
|
.eachAfter(packChildren(constantZero, 1)) |
|
.eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) |
|
.eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); |
|
} |
|
return root; |
|
} |
|
|
|
pack.radius = function(x) { |
|
return arguments.length ? (radius = optional(x), pack) : radius; |
|
}; |
|
|
|
pack.size = function(x) { |
|
return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; |
|
}; |
|
|
|
pack.padding = function(x) { |
|
return arguments.length ? (padding = typeof x === "function" ? x : constant$5(+x), pack) : padding; |
|
}; |
|
|
|
return pack; |
|
} |
|
|
|
function radiusLeaf(radius) { |
|
return function(node) { |
|
if (!node.children) { |
|
node.r = Math.max(0, +radius(node) || 0); |
|
} |
|
}; |
|
} |
|
|
|
function packChildren(padding, k) { |
|
return function(node) { |
|
if (children = node.children) { |
|
var children, |
|
i, |
|
n = children.length, |
|
r = padding(node) * k || 0, |
|
e; |
|
|
|
if (r) for (i = 0; i < n; ++i) children[i].r += r; |
|
e = packEnclose(children); |
|
if (r) for (i = 0; i < n; ++i) children[i].r -= r; |
|
node.r = e + r; |
|
} |
|
}; |
|
} |
|
|
|
function translateChild(k) { |
|
return function(node) { |
|
var parent = node.parent; |
|
node.r *= k; |
|
if (parent) { |
|
node.x = parent.x + k * node.x; |
|
node.y = parent.y + k * node.y; |
|
} |
|
}; |
|
} |
|
|
|
function roundNode(node) { |
|
node.x0 = Math.round(node.x0); |
|
node.y0 = Math.round(node.y0); |
|
node.x1 = Math.round(node.x1); |
|
node.y1 = Math.round(node.y1); |
|
} |
|
|
|
function treemapDice(parent, x0, y0, x1, y1) { |
|
var nodes = parent.children, |
|
node, |
|
i = -1, |
|
n = nodes.length, |
|
k = parent.value && (x1 - x0) / parent.value; |
|
|
|
while (++i < n) { |
|
node = nodes[i], node.y0 = y0, node.y1 = y1; |
|
node.x0 = x0, node.x1 = x0 += node.value * k; |
|
} |
|
} |
|
|
|
function partition() { |
|
var dx = 1, |
|
dy = 1, |
|
padding = 0, |
|
round = false; |
|
|
|
function partition(root) { |
|
var n = root.height + 1; |
|
root.x0 = |
|
root.y0 = padding; |
|
root.x1 = dx; |
|
root.y1 = dy / n; |
|
root.eachBefore(positionNode(dy, n)); |
|
if (round) root.eachBefore(roundNode); |
|
return root; |
|
} |
|
|
|
function positionNode(dy, n) { |
|
return function(node) { |
|
if (node.children) { |
|
treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); |
|
} |
|
var x0 = node.x0, |
|
y0 = node.y0, |
|
x1 = node.x1 - padding, |
|
y1 = node.y1 - padding; |
|
if (x1 < x0) x0 = x1 = (x0 + x1) / 2; |
|
if (y1 < y0) y0 = y1 = (y0 + y1) / 2; |
|
node.x0 = x0; |
|
node.y0 = y0; |
|
node.x1 = x1; |
|
node.y1 = y1; |
|
}; |
|
} |
|
|
|
partition.round = function(x) { |
|
return arguments.length ? (round = !!x, partition) : round; |
|
}; |
|
|
|
partition.size = function(x) { |
|
return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; |
|
}; |
|
|
|
partition.padding = function(x) { |
|
return arguments.length ? (padding = +x, partition) : padding; |
|
}; |
|
|
|
return partition; |
|
} |
|
|
|
var keyPrefix$1 = "$"; |
|
var preroot = {depth: -1}; |
|
var ambiguous = {}; |
|
function defaultId(d) { |
|
return d.id; |
|
} |
|
|
|
function defaultParentId(d) { |
|
return d.parentId; |
|
} |
|
|
|
function stratify() { |
|
var id = defaultId, |
|
parentId = defaultParentId; |
|
|
|
function stratify(data) { |
|
var d, |
|
i, |
|
n = data.length, |
|
root, |
|
parent, |
|
node, |
|
nodes = new Array(n), |
|
nodeId, |
|
nodeKey, |
|
nodeByKey = {}; |
|
|
|
for (i = 0; i < n; ++i) { |
|
d = data[i], node = nodes[i] = new Node(d); |
|
if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { |
|
nodeKey = keyPrefix$1 + (node.id = nodeId); |
|
nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; |
|
} |
|
} |
|
|
|
for (i = 0; i < n; ++i) { |
|
node = nodes[i], nodeId = parentId(data[i], i, data); |
|
if (nodeId == null || !(nodeId += "")) { |
|
if (root) throw new Error("multiple roots"); |
|
root = node; |
|
} else { |
|
parent = nodeByKey[keyPrefix$1 + nodeId]; |
|
if (!parent) throw new Error("missing: " + nodeId); |
|
if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); |
|
if (parent.children) parent.children.push(node); |
|
else parent.children = [node]; |
|
node.parent = parent; |
|
} |
|
} |
|
|
|
if (!root) throw new Error("no root"); |
|
root.parent = preroot; |
|
root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); |
|
root.parent = null; |
|
if (n > 0) throw new Error("cycle"); |
|
|
|
return root; |
|
} |
|
|
|
stratify.id = function(x) { |
|
return arguments.length ? (id = required(x), stratify) : id; |
|
}; |
|
|
|
stratify.parentId = function(x) { |
|
return arguments.length ? (parentId = required(x), stratify) : parentId; |
|
}; |
|
|
|
return stratify; |
|
} |
|
|
|
function defaultSeparation$1(a, b) { |
|
return a.parent === b.parent ? 1 : 2; |
|
} |
|
|
|
// function radialSeparation(a, b) { |
|
// return (a.parent === b.parent ? 1 : 2) / a.depth; |
|
// } |
|
|
|
// This function is used to traverse the left contour of a subtree (or |
|
// subforest). It returns the successor of v on this contour. This successor is |
|
// either given by the leftmost child of v or by the thread of v. The function |
|
// returns null if and only if v is on the highest level of its subtree. |
|
function nextLeft(v) { |
|
var children = v.children; |
|
return children ? children[0] : v.t; |
|
} |
|
|
|
// This function works analogously to nextLeft. |
|
function nextRight(v) { |
|
var children = v.children; |
|
return children ? children[children.length - 1] : v.t; |
|
} |
|
|
|
// Shifts the current subtree rooted at w+. This is done by increasing |
|
// prelim(w+) and mod(w+) by shift. |
|
function moveSubtree(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; |
|
} |
|
|
|
// All other shifts, applied to the smaller subtrees between w- and w+, are |
|
// performed by this function. To prepare the shifts, we have to adjust |
|
// change(w+), shift(w+), and change(w-). |
|
function executeShifts(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); |
|
} |
|
} |
|
|
|
// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, |
|
// returns the specified (default) ancestor. |
|
function nextAncestor(vim, v, ancestor) { |
|
return vim.a.parent === v.parent ? vim.a : ancestor; |
|
} |
|
|
|
function TreeNode(node, i) { |
|
this._ = node; |
|
this.parent = null; |
|
this.children = null; |
|
this.A = null; // default ancestor |
|
this.a = this; // ancestor |
|
this.z = 0; // prelim |
|
this.m = 0; // mod |
|
this.c = 0; // change |
|
this.s = 0; // shift |
|
this.t = null; // thread |
|
this.i = i; // number |
|
} |
|
|
|
TreeNode.prototype = Object.create(Node.prototype); |
|
|
|
function treeRoot(root) { |
|
var tree = new TreeNode(root, 0), |
|
node, |
|
nodes = [tree], |
|
child, |
|
children, |
|
i, |
|
n; |
|
|
|
while (node = nodes.pop()) { |
|
if (children = node._.children) { |
|
node.children = new Array(n = children.length); |
|
for (i = n - 1; i >= 0; --i) { |
|
nodes.push(child = node.children[i] = new TreeNode(children[i], i)); |
|
child.parent = node; |
|
} |
|
} |
|
} |
|
|
|
(tree.parent = new TreeNode(null, 0)).children = [tree]; |
|
return tree; |
|
} |
|
|
|
// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm |
|
function tree() { |
|
var separation = defaultSeparation$1, |
|
dx = 1, |
|
dy = 1, |
|
nodeSize = null; |
|
|
|
function tree(root) { |
|
var t = treeRoot(root); |
|
|
|
// Compute the layout using Buchheim et al.’s algorithm. |
|
t.eachAfter(firstWalk), t.parent.m = -t.z; |
|
t.eachBefore(secondWalk); |
|
|
|
// If a fixed node size is specified, scale x and y. |
|
if (nodeSize) root.eachBefore(sizeNode); |
|
|
|
// If a fixed tree size is specified, scale x and y based on the extent. |
|
// Compute the left-most, right-most, and depth-most nodes for extents. |
|
else { |
|
var left = root, |
|
right = root, |
|
bottom = root; |
|
root.eachBefore(function(node) { |
|
if (node.x < left.x) left = node; |
|
if (node.x > right.x) right = node; |
|
if (node.depth > bottom.depth) bottom = node; |
|
}); |
|
var s = left === right ? 1 : separation(left, right) / 2, |
|
tx = s - left.x, |
|
kx = dx / (right.x + s + tx), |
|
ky = dy / (bottom.depth || 1); |
|
root.eachBefore(function(node) { |
|
node.x = (node.x + tx) * kx; |
|
node.y = node.depth * ky; |
|
}); |
|
} |
|
|
|
return root; |
|
} |
|
|
|
// Computes a preliminary x-coordinate for v. Before that, FIRST WALK is |
|
// applied recursively to the children of v, as well as the function |
|
// APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the |
|
// node v is placed to the midpoint of its outermost children. |
|
function firstWalk(v) { |
|
var children = v.children, |
|
siblings = v.parent.children, |
|
w = v.i ? siblings[v.i - 1] : null; |
|
if (children) { |
|
executeShifts(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]); |
|
} |
|
|
|
// Computes all real x-coordinates by summing up the modifiers recursively. |
|
function secondWalk(v) { |
|
v._.x = v.z + v.parent.m; |
|
v.m += v.parent.m; |
|
} |
|
|
|
// The core of the algorithm. Here, a new subtree is combined with the |
|
// previous subtrees. Threads are used to traverse the inside and outside |
|
// contours of the left and right subtree up to the highest common level. The |
|
// vertices used for the traversals are vi+, vi-, vo-, and vo+, where the |
|
// superscript o means outside and i means inside, the subscript - means left |
|
// subtree and + means right subtree. For summing up the modifiers along the |
|
// contour, we use respective variables si+, si-, so-, and so+. Whenever two |
|
// nodes of the inside contours conflict, we compute the left one of the |
|
// greatest uncommon ancestors using the function ANCESTOR and call MOVE |
|
// SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. |
|
// Finally, we add a new thread (if necessary). |
|
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 = nextRight(vim), vip = nextLeft(vip), vim && vip) { |
|
vom = nextLeft(vom); |
|
vop = nextRight(vop); |
|
vop.a = v; |
|
shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); |
|
if (shift > 0) { |
|
moveSubtree(nextAncestor(vim, v, ancestor), v, shift); |
|
sip += shift; |
|
sop += shift; |
|
} |
|
sim += vim.m; |
|
sip += vip.m; |
|
som += vom.m; |
|
sop += vop.m; |
|
} |
|
if (vim && !nextRight(vop)) { |
|
vop.t = vim; |
|
vop.m += sim - sop; |
|
} |
|
if (vip && !nextLeft(vom)) { |
|
vom.t = vip; |
|
vom.m += sip - som; |
|
ancestor = v; |
|
} |
|
} |
|
return ancestor; |
|
} |
|
|
|
function sizeNode(node) { |
|
node.x *= dx; |
|
node.y = node.depth * dy; |
|
} |
|
|
|
tree.separation = function(x) { |
|
return arguments.length ? (separation = x, tree) : separation; |
|
}; |
|
|
|
tree.size = function(x) { |
|
return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); |
|
}; |
|
|
|
tree.nodeSize = function(x) { |
|
return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); |
|
}; |
|
|
|
return tree; |
|
} |
|
|
|
function treemapSlice(parent, x0, y0, x1, y1) { |
|
var nodes = parent.children, |
|
node, |
|
i = -1, |
|
n = nodes.length, |
|
k = parent.value && (y1 - y0) / parent.value; |
|
|
|
while (++i < n) { |
|
node = nodes[i], node.x0 = x0, node.x1 = x1; |
|
node.y0 = y0, node.y1 = y0 += node.value * k; |
|
} |
|
} |
|
|
|
var phi = (1 + Math.sqrt(5)) / 2; |
|
|
|
function squarifyRatio(ratio, parent, x0, y0, x1, y1) { |
|
var rows = [], |
|
nodes = parent.children, |
|
row, |
|
nodeValue, |
|
i0 = 0, |
|
i1, |
|
n = nodes.length, |
|
dx, dy, |
|
value = parent.value, |
|
sumValue, |
|
minValue, |
|
maxValue, |
|
newRatio, |
|
minRatio, |
|
alpha, |
|
beta; |
|
|
|
while (i0 < n) { |
|
dx = x1 - x0, dy = y1 - y0; |
|
minValue = maxValue = sumValue = nodes[i0].value; |
|
alpha = Math.max(dy / dx, dx / dy) / (value * ratio); |
|
beta = sumValue * sumValue * alpha; |
|
minRatio = Math.max(maxValue / beta, beta / minValue); |
|
|
|
// Keep adding nodes while the aspect ratio maintains or improves. |
|
for (i1 = i0 + 1; i1 < n; ++i1) { |
|
sumValue += nodeValue = nodes[i1].value; |
|
if (nodeValue < minValue) minValue = nodeValue; |
|
if (nodeValue > maxValue) maxValue = nodeValue; |
|
beta = sumValue * sumValue * alpha; |
|
newRatio = Math.max(maxValue / beta, beta / minValue); |
|
if (newRatio > minRatio) { sumValue -= nodeValue; break; } |
|
minRatio = newRatio; |
|
} |
|
|
|
// Position and record the row orientation. |
|
rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); |
|
if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); |
|
else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); |
|
value -= sumValue, i0 = i1; |
|
} |
|
|
|
return rows; |
|
} |
|
|
|
var squarify = (function custom(ratio) { |
|
|
|
function squarify(parent, x0, y0, x1, y1) { |
|
squarifyRatio(ratio, parent, x0, y0, x1, y1); |
|
} |
|
|
|
squarify.ratio = function(x) { |
|
return custom((x = +x) > 1 ? x : 1); |
|
}; |
|
|
|
return squarify; |
|
})(phi); |
|
|
|
function index$1() { |
|
var tile = squarify, |
|
round = false, |
|
dx = 1, |
|
dy = 1, |
|
paddingStack = [0], |
|
paddingInner = constantZero, |
|
paddingTop = constantZero, |
|
paddingRight = constantZero, |
|
paddingBottom = constantZero, |
|
paddingLeft = constantZero; |
|
|
|
function treemap(root) { |
|
root.x0 = |
|
root.y0 = 0; |
|
root.x1 = dx; |
|
root.y1 = dy; |
|
root.eachBefore(positionNode); |
|
paddingStack = [0]; |
|
if (round) root.eachBefore(roundNode); |
|
return root; |
|
} |
|
|
|
function positionNode(node) { |
|
var p = paddingStack[node.depth], |
|
x0 = node.x0 + p, |
|
y0 = node.y0 + p, |
|
x1 = node.x1 - p, |
|
y1 = node.y1 - p; |
|
if (x1 < x0) x0 = x1 = (x0 + x1) / 2; |
|
if (y1 < y0) y0 = y1 = (y0 + y1) / 2; |
|
node.x0 = x0; |
|
node.y0 = y0; |
|
node.x1 = x1; |
|
node.y1 = y1; |
|
if (node.children) { |
|
p = paddingStack[node.depth + 1] = paddingInner(node) / 2; |
|
x0 += paddingLeft(node) - p; |
|
y0 += paddingTop(node) - p; |
|
x1 -= paddingRight(node) - p; |
|
y1 -= paddingBottom(node) - p; |
|
if (x1 < x0) x0 = x1 = (x0 + x1) / 2; |
|
if (y1 < y0) y0 = y1 = (y0 + y1) / 2; |
|
tile(node, x0, y0, x1, y1); |
|
} |
|
} |
|
|
|
treemap.round = function(x) { |
|
return arguments.length ? (round = !!x, treemap) : round; |
|
}; |
|
|
|
treemap.size = function(x) { |
|
return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; |
|
}; |
|
|
|
treemap.tile = function(x) { |
|
return arguments.length ? (tile = required(x), treemap) : tile; |
|
}; |
|
|
|
treemap.padding = function(x) { |
|
return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); |
|
}; |
|
|
|
treemap.paddingInner = function(x) { |
|
return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$5(+x), treemap) : paddingInner; |
|
}; |
|
|
|
treemap.paddingOuter = function(x) { |
|
return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); |
|
}; |
|
|
|
treemap.paddingTop = function(x) { |
|
return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$5(+x), treemap) : paddingTop; |
|
}; |
|
|
|
treemap.paddingRight = function(x) { |
|
return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$5(+x), treemap) : paddingRight; |
|
}; |
|
|
|
treemap.paddingBottom = function(x) { |
|
return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$5(+x), treemap) : paddingBottom; |
|
}; |
|
|
|
treemap.paddingLeft = function(x) { |
|
return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$5(+x), treemap) : paddingLeft; |
|
}; |
|
|
|
return treemap; |
|
} |
|
|
|
function binary(parent, x0, y0, x1, y1) { |
|
var nodes = parent.children, |
|
i, n = nodes.length, |
|
sum, sums = new Array(n + 1); |
|
|
|
for (sums[0] = sum = i = 0; i < n; ++i) { |
|
sums[i + 1] = sum += nodes[i].value; |
|
} |
|
|
|
partition(0, n, parent.value, x0, y0, x1, y1); |
|
|
|
function partition(i, j, value, x0, y0, x1, y1) { |
|
if (i >= j - 1) { |
|
var node = nodes[i]; |
|
node.x0 = x0, node.y0 = y0; |
|
node.x1 = x1, node.y1 = y1; |
|
return; |
|
} |
|
|
|
var valueOffset = sums[i], |
|
valueTarget = (value / 2) + valueOffset, |
|
k = i + 1, |
|
hi = j - 1; |
|
|
|
while (k < hi) { |
|
var mid = k + hi >>> 1; |
|
if (sums[mid] < valueTarget) k = mid + 1; |
|
else hi = mid; |
|
} |
|
|
|
var valueLeft = sums[k] - valueOffset, |
|
valueRight = value - valueLeft; |
|
|
|
if ((y1 - y0) > (x1 - x0)) { |
|
var yk = (y0 * valueRight + y1 * valueLeft) / value; |
|
partition(i, k, valueLeft, x0, y0, x1, yk); |
|
partition(k, j, valueRight, x0, yk, x1, y1); |
|
} else { |
|
var xk = (x0 * valueRight + x1 * valueLeft) / value; |
|
partition(i, k, valueLeft, x0, y0, xk, y1); |
|
partition(k, j, valueRight, xk, y0, x1, y1); |
|
} |
|
} |
|
} |
|
|
|
function sliceDice(parent, x0, y0, x1, y1) { |
|
(parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); |
|
} |
|
|
|
var resquarify = (function custom(ratio) { |
|
|
|
function resquarify(parent, x0, y0, x1, y1) { |
|
if ((rows = parent._squarify) && (rows.ratio === ratio)) { |
|
var rows, |
|
row, |
|
nodes, |
|
i, |
|
j = -1, |
|
n, |
|
m = rows.length, |
|
value = parent.value; |
|
|
|
while (++j < m) { |
|
row = rows[j], nodes = row.children; |
|
for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; |
|
if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); |
|
else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); |
|
value -= row.value; |
|
} |
|
} else { |
|
parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); |
|
rows.ratio = ratio; |
|
} |
|
} |
|
|
|
resquarify.ratio = function(x) { |
|
return custom((x = +x) > 1 ? x : 1); |
|
}; |
|
|
|
return resquarify; |
|
})(phi); |
|
|
|
function center$1(x, y) { |
|
var nodes; |
|
|
|
if (x == null) x = 0; |
|
if (y == null) y = 0; |
|
|
|
function force() { |
|
var i, |
|
n = nodes.length, |
|
node, |
|
sx = 0, |
|
sy = 0; |
|
|
|
for (i = 0; i < n; ++i) { |
|
node = nodes[i], sx += node.x, sy += node.y; |
|
} |
|
|
|
for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { |
|
node = nodes[i], node.x -= sx, node.y -= sy; |
|
} |
|
} |
|
|
|
force.initialize = function(_) { |
|
nodes = _; |
|
}; |
|
|
|
force.x = function(_) { |
|
return arguments.length ? (x = +_, force) : x; |
|
}; |
|
|
|
force.y = function(_) { |
|
return arguments.length ? (y = +_, force) : y; |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function constant$6(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function jiggle() { |
|
return (Math.random() - 0.5) * 1e-6; |
|
} |
|
|
|
function x$1(d) { |
|
return d.x + d.vx; |
|
} |
|
|
|
function y$1(d) { |
|
return d.y + d.vy; |
|
} |
|
|
|
function collide(radius) { |
|
var nodes, |
|
radii, |
|
strength = 1, |
|
iterations = 1; |
|
|
|
if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); |
|
|
|
function force() { |
|
var i, n = nodes.length, |
|
tree, |
|
node, |
|
xi, |
|
yi, |
|
ri, |
|
ri2; |
|
|
|
for (var k = 0; k < iterations; ++k) { |
|
tree = quadtree(nodes, x$1, y$1).visitAfter(prepare); |
|
for (i = 0; i < n; ++i) { |
|
node = nodes[i]; |
|
ri = radii[i], ri2 = ri * ri; |
|
xi = node.x + node.vx; |
|
yi = node.y + node.vy; |
|
tree.visit(apply); |
|
} |
|
} |
|
|
|
function apply(quad, x0, y0, x1, y1) { |
|
var data = quad.data, rj = quad.r, r = ri + rj; |
|
if (data) { |
|
if (data.index > i) { |
|
var x = xi - data.x - data.vx, |
|
y = yi - data.y - data.vy, |
|
l = x * x + y * y; |
|
if (l < r * r) { |
|
if (x === 0) x = jiggle(), l += x * x; |
|
if (y === 0) y = jiggle(), l += y * y; |
|
l = (r - (l = Math.sqrt(l))) / l * strength; |
|
node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); |
|
node.vy += (y *= l) * r; |
|
data.vx -= x * (r = 1 - r); |
|
data.vy -= y * r; |
|
} |
|
} |
|
return; |
|
} |
|
return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; |
|
} |
|
} |
|
|
|
function prepare(quad) { |
|
if (quad.data) return quad.r = radii[quad.data.index]; |
|
for (var i = quad.r = 0; i < 4; ++i) { |
|
if (quad[i] && quad[i].r > quad.r) { |
|
quad.r = quad[i].r; |
|
} |
|
} |
|
} |
|
|
|
force.initialize = function(_) { |
|
var i, n = (nodes = _).length; radii = new Array(n); |
|
for (i = 0; i < n; ++i) radii[i] = +radius(nodes[i], i, nodes); |
|
}; |
|
|
|
force.iterations = function(_) { |
|
return arguments.length ? (iterations = +_, force) : iterations; |
|
}; |
|
|
|
force.strength = function(_) { |
|
return arguments.length ? (strength = +_, force) : strength; |
|
}; |
|
|
|
force.radius = function(_) { |
|
return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), force) : radius; |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function index$2(d, i) { |
|
return i; |
|
} |
|
|
|
function link(links) { |
|
var id = index$2, |
|
strength = defaultStrength, |
|
strengths, |
|
distance = constant$6(30), |
|
distances, |
|
nodes, |
|
count, |
|
bias, |
|
iterations = 1; |
|
|
|
if (links == null) links = []; |
|
|
|
function defaultStrength(link) { |
|
return 1 / Math.min(count[link.source.index], count[link.target.index]); |
|
} |
|
|
|
function force(alpha) { |
|
for (var k = 0, n = links.length; k < iterations; ++k) { |
|
for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { |
|
link = links[i], source = link.source, target = link.target; |
|
x = target.x + target.vx - source.x - source.vx || jiggle(); |
|
y = target.y + target.vy - source.y - source.vy || jiggle(); |
|
l = Math.sqrt(x * x + y * y); |
|
l = (l - distances[i]) / l * alpha * strengths[i]; |
|
x *= l, y *= l; |
|
target.vx -= x * (b = bias[i]); |
|
target.vy -= y * b; |
|
source.vx += x * (b = 1 - b); |
|
source.vy += y * b; |
|
} |
|
} |
|
} |
|
|
|
function initialize() { |
|
if (!nodes) return; |
|
|
|
var i, |
|
n = nodes.length, |
|
m = links.length, |
|
nodeById = map$1(nodes, id), |
|
link; |
|
|
|
for (i = 0, count = new Array(n); i < n; ++i) { |
|
count[i] = 0; |
|
} |
|
|
|
for (i = 0; i < m; ++i) { |
|
link = links[i], link.index = i; |
|
if (typeof link.source !== "object") link.source = nodeById.get(link.source); |
|
if (typeof link.target !== "object") link.target = nodeById.get(link.target); |
|
++count[link.source.index], ++count[link.target.index]; |
|
} |
|
|
|
for (i = 0, bias = new Array(m); i < m; ++i) { |
|
link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); |
|
} |
|
|
|
strengths = new Array(m), initializeStrength(); |
|
distances = new Array(m), initializeDistance(); |
|
} |
|
|
|
function initializeStrength() { |
|
if (!nodes) return; |
|
|
|
for (var i = 0, n = links.length; i < n; ++i) { |
|
strengths[i] = +strength(links[i], i, links); |
|
} |
|
} |
|
|
|
function initializeDistance() { |
|
if (!nodes) return; |
|
|
|
for (var i = 0, n = links.length; i < n; ++i) { |
|
distances[i] = +distance(links[i], i, links); |
|
} |
|
} |
|
|
|
force.initialize = function(_) { |
|
nodes = _; |
|
initialize(); |
|
}; |
|
|
|
force.links = function(_) { |
|
return arguments.length ? (links = _, initialize(), force) : links; |
|
}; |
|
|
|
force.id = function(_) { |
|
return arguments.length ? (id = _, force) : id; |
|
}; |
|
|
|
force.iterations = function(_) { |
|
return arguments.length ? (iterations = +_, force) : iterations; |
|
}; |
|
|
|
force.strength = function(_) { |
|
return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; |
|
}; |
|
|
|
force.distance = function(_) { |
|
return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function x$2(d) { |
|
return d.x; |
|
} |
|
|
|
function y$2(d) { |
|
return d.y; |
|
} |
|
|
|
var initialRadius = 10; |
|
var initialAngle = Math.PI * (3 - Math.sqrt(5)); |
|
function simulation(nodes) { |
|
var simulation, |
|
alpha = 1, |
|
alphaMin = 0.001, |
|
alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), |
|
alphaTarget = 0, |
|
velocityDecay = 0.6, |
|
forces = map$1(), |
|
stepper = timer(step), |
|
event = dispatch("tick", "end"); |
|
|
|
if (nodes == null) nodes = []; |
|
|
|
function step() { |
|
tick(); |
|
event.call("tick", simulation); |
|
if (alpha < alphaMin) { |
|
stepper.stop(); |
|
event.call("end", simulation); |
|
} |
|
} |
|
|
|
function tick() { |
|
var i, n = nodes.length, node; |
|
|
|
alpha += (alphaTarget - alpha) * alphaDecay; |
|
|
|
forces.each(function(force) { |
|
force(alpha); |
|
}); |
|
|
|
for (i = 0; i < n; ++i) { |
|
node = nodes[i]; |
|
if (node.fx == null) node.x += node.vx *= velocityDecay; |
|
else node.x = node.fx, node.vx = 0; |
|
if (node.fy == null) node.y += node.vy *= velocityDecay; |
|
else node.y = node.fy, node.vy = 0; |
|
} |
|
} |
|
|
|
function initializeNodes() { |
|
for (var i = 0, n = nodes.length, node; i < n; ++i) { |
|
node = nodes[i], node.index = i; |
|
if (isNaN(node.x) || isNaN(node.y)) { |
|
var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; |
|
node.x = radius * Math.cos(angle); |
|
node.y = radius * Math.sin(angle); |
|
} |
|
if (isNaN(node.vx) || isNaN(node.vy)) { |
|
node.vx = node.vy = 0; |
|
} |
|
} |
|
} |
|
|
|
function initializeForce(force) { |
|
if (force.initialize) force.initialize(nodes); |
|
return force; |
|
} |
|
|
|
initializeNodes(); |
|
|
|
return simulation = { |
|
tick: tick, |
|
|
|
restart: function() { |
|
return stepper.restart(step), simulation; |
|
}, |
|
|
|
stop: function() { |
|
return stepper.stop(), simulation; |
|
}, |
|
|
|
nodes: function(_) { |
|
return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; |
|
}, |
|
|
|
alpha: function(_) { |
|
return arguments.length ? (alpha = +_, simulation) : alpha; |
|
}, |
|
|
|
alphaMin: function(_) { |
|
return arguments.length ? (alphaMin = +_, simulation) : alphaMin; |
|
}, |
|
|
|
alphaDecay: function(_) { |
|
return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; |
|
}, |
|
|
|
alphaTarget: function(_) { |
|
return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; |
|
}, |
|
|
|
velocityDecay: function(_) { |
|
return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; |
|
}, |
|
|
|
force: function(name, _) { |
|
return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name); |
|
}, |
|
|
|
find: function(x, y, radius) { |
|
var i = 0, |
|
n = nodes.length, |
|
dx, |
|
dy, |
|
d2, |
|
node, |
|
closest; |
|
|
|
if (radius == null) radius = Infinity; |
|
else radius *= radius; |
|
|
|
for (i = 0; i < n; ++i) { |
|
node = nodes[i]; |
|
dx = x - node.x; |
|
dy = y - node.y; |
|
d2 = dx * dx + dy * dy; |
|
if (d2 < radius) closest = node, radius = d2; |
|
} |
|
|
|
return closest; |
|
}, |
|
|
|
on: function(name, _) { |
|
return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); |
|
} |
|
}; |
|
} |
|
|
|
function manyBody() { |
|
var nodes, |
|
node, |
|
alpha, |
|
strength = constant$6(-30), |
|
strengths, |
|
distanceMin2 = 1, |
|
distanceMax2 = Infinity, |
|
theta2 = 0.81; |
|
|
|
function force(_) { |
|
var i, n = nodes.length, tree = quadtree(nodes, x$2, y$2).visitAfter(accumulate); |
|
for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); |
|
} |
|
|
|
function initialize() { |
|
if (!nodes) return; |
|
var i, n = nodes.length; |
|
strengths = new Array(n); |
|
for (i = 0; i < n; ++i) strengths[i] = +strength(nodes[i], i, nodes); |
|
} |
|
|
|
function accumulate(quad) { |
|
var strength = 0, q, c, x, y, i; |
|
|
|
// For internal nodes, accumulate forces from child quadrants. |
|
if (quad.length) { |
|
for (x = y = i = 0; i < 4; ++i) { |
|
if ((q = quad[i]) && (c = q.value)) { |
|
strength += c, x += c * q.x, y += c * q.y; |
|
} |
|
} |
|
quad.x = x / strength; |
|
quad.y = y / strength; |
|
} |
|
|
|
// For leaf nodes, accumulate forces from coincident quadrants. |
|
else { |
|
q = quad; |
|
q.x = q.data.x; |
|
q.y = q.data.y; |
|
do strength += strengths[q.data.index]; |
|
while (q = q.next); |
|
} |
|
|
|
quad.value = strength; |
|
} |
|
|
|
function apply(quad, x1, _, x2) { |
|
if (!quad.value) return true; |
|
|
|
var x = quad.x - node.x, |
|
y = quad.y - node.y, |
|
w = x2 - x1, |
|
l = x * x + y * y; |
|
|
|
// Apply the Barnes-Hut approximation if possible. |
|
// Limit forces for very close nodes; randomize direction if coincident. |
|
if (w * w / theta2 < l) { |
|
if (l < distanceMax2) { |
|
if (x === 0) x = jiggle(), l += x * x; |
|
if (y === 0) y = jiggle(), l += y * y; |
|
if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); |
|
node.vx += x * quad.value * alpha / l; |
|
node.vy += y * quad.value * alpha / l; |
|
} |
|
return true; |
|
} |
|
|
|
// Otherwise, process points directly. |
|
else if (quad.length || l >= distanceMax2) return; |
|
|
|
// Limit forces for very close nodes; randomize direction if coincident. |
|
if (quad.data !== node || quad.next) { |
|
if (x === 0) x = jiggle(), l += x * x; |
|
if (y === 0) y = jiggle(), l += y * y; |
|
if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); |
|
} |
|
|
|
do if (quad.data !== node) { |
|
w = strengths[quad.data.index] * alpha / l; |
|
node.vx += x * w; |
|
node.vy += y * w; |
|
} while (quad = quad.next); |
|
} |
|
|
|
force.initialize = function(_) { |
|
nodes = _; |
|
initialize(); |
|
}; |
|
|
|
force.strength = function(_) { |
|
return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; |
|
}; |
|
|
|
force.distanceMin = function(_) { |
|
return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); |
|
}; |
|
|
|
force.distanceMax = function(_) { |
|
return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); |
|
}; |
|
|
|
force.theta = function(_) { |
|
return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function x$3(x) { |
|
var strength = constant$6(0.1), |
|
nodes, |
|
strengths, |
|
xz; |
|
|
|
if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); |
|
|
|
function force(alpha) { |
|
for (var i = 0, n = nodes.length, node; i < n; ++i) { |
|
node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; |
|
} |
|
} |
|
|
|
function initialize() { |
|
if (!nodes) return; |
|
var i, n = nodes.length; |
|
strengths = new Array(n); |
|
xz = new Array(n); |
|
for (i = 0; i < n; ++i) { |
|
strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); |
|
} |
|
} |
|
|
|
force.initialize = function(_) { |
|
nodes = _; |
|
initialize(); |
|
}; |
|
|
|
force.strength = function(_) { |
|
return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; |
|
}; |
|
|
|
force.x = function(_) { |
|
return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function y$3(y) { |
|
var strength = constant$6(0.1), |
|
nodes, |
|
strengths, |
|
yz; |
|
|
|
if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); |
|
|
|
function force(alpha) { |
|
for (var i = 0, n = nodes.length, node; i < n; ++i) { |
|
node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; |
|
} |
|
} |
|
|
|
function initialize() { |
|
if (!nodes) return; |
|
var i, n = nodes.length; |
|
strengths = new Array(n); |
|
yz = new Array(n); |
|
for (i = 0; i < n; ++i) { |
|
strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); |
|
} |
|
} |
|
|
|
force.initialize = function(_) { |
|
nodes = _; |
|
initialize(); |
|
}; |
|
|
|
force.strength = function(_) { |
|
return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; |
|
}; |
|
|
|
force.y = function(_) { |
|
return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; |
|
}; |
|
|
|
return force; |
|
} |
|
|
|
function nopropagation() { |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
function noevent() { |
|
exports.event.preventDefault(); |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
function dragDisable(view) { |
|
var root = view.document.documentElement, |
|
selection = select(view).on("dragstart.drag", noevent, true); |
|
if ("onselectstart" in root) { |
|
selection.on("selectstart.drag", noevent, true); |
|
} else { |
|
root.__noselect = root.style.MozUserSelect; |
|
root.style.MozUserSelect = "none"; |
|
} |
|
} |
|
|
|
function dragEnable(view, noclick) { |
|
var root = view.document.documentElement, |
|
selection = select(view).on("dragstart.drag", null); |
|
if (noclick) { |
|
selection.on("click.drag", noevent, true); |
|
setTimeout(function() { selection.on("click.drag", null); }, 0); |
|
} |
|
if ("onselectstart" in root) { |
|
selection.on("selectstart.drag", null); |
|
} else { |
|
root.style.MozUserSelect = root.__noselect; |
|
delete root.__noselect; |
|
} |
|
} |
|
|
|
function constant$7(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { |
|
this.target = target; |
|
this.type = type; |
|
this.subject = subject; |
|
this.identifier = id; |
|
this.active = active; |
|
this.x = x; |
|
this.y = y; |
|
this.dx = dx; |
|
this.dy = dy; |
|
this._ = dispatch; |
|
} |
|
|
|
DragEvent.prototype.on = function() { |
|
var value = this._.on.apply(this._, arguments); |
|
return value === this._ ? this : value; |
|
}; |
|
|
|
// Ignore right-click, since that should open the context menu. |
|
function defaultFilter() { |
|
return !exports.event.button; |
|
} |
|
|
|
function defaultContainer() { |
|
return this.parentNode; |
|
} |
|
|
|
function defaultSubject(d) { |
|
return d == null ? {x: exports.event.x, y: exports.event.y} : d; |
|
} |
|
|
|
function drag() { |
|
var filter = defaultFilter, |
|
container = defaultContainer, |
|
subject = defaultSubject, |
|
gestures = {}, |
|
listeners = dispatch("start", "drag", "end"), |
|
active = 0, |
|
mousemoving, |
|
touchending; |
|
|
|
function drag(selection) { |
|
selection |
|
.on("mousedown.drag", mousedowned) |
|
.on("touchstart.drag", touchstarted) |
|
.on("touchmove.drag", touchmoved) |
|
.on("touchend.drag touchcancel.drag", touchended) |
|
.style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); |
|
} |
|
|
|
function mousedowned() { |
|
if (touchending || !filter.apply(this, arguments)) return; |
|
var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); |
|
if (!gesture) return; |
|
select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); |
|
dragDisable(exports.event.view); |
|
nopropagation(); |
|
mousemoving = false; |
|
gesture("start"); |
|
} |
|
|
|
function mousemoved() { |
|
noevent(); |
|
mousemoving = true; |
|
gestures.mouse("drag"); |
|
} |
|
|
|
function mouseupped() { |
|
select(exports.event.view).on("mousemove.drag mouseup.drag", null); |
|
dragEnable(exports.event.view, mousemoving); |
|
noevent(); |
|
gestures.mouse("end"); |
|
} |
|
|
|
function touchstarted() { |
|
if (!filter.apply(this, arguments)) return; |
|
var touches = exports.event.changedTouches, |
|
c = container.apply(this, arguments), |
|
n = touches.length, i, gesture; |
|
|
|
for (i = 0; i < n; ++i) { |
|
if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { |
|
nopropagation(); |
|
gesture("start"); |
|
} |
|
} |
|
} |
|
|
|
function touchmoved() { |
|
var touches = exports.event.changedTouches, |
|
n = touches.length, i, gesture; |
|
|
|
for (i = 0; i < n; ++i) { |
|
if (gesture = gestures[touches[i].identifier]) { |
|
noevent(); |
|
gesture("drag"); |
|
} |
|
} |
|
} |
|
|
|
function touchended() { |
|
var touches = exports.event.changedTouches, |
|
n = touches.length, i, gesture; |
|
|
|
if (touchending) clearTimeout(touchending); |
|
touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! |
|
for (i = 0; i < n; ++i) { |
|
if (gesture = gestures[touches[i].identifier]) { |
|
nopropagation(); |
|
gesture("end"); |
|
} |
|
} |
|
} |
|
|
|
function beforestart(id, container, point, that, args) { |
|
var p = point(container, id), s, dx, dy, |
|
sublisteners = listeners.copy(); |
|
|
|
if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { |
|
if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; |
|
dx = s.x - p[0] || 0; |
|
dy = s.y - p[1] || 0; |
|
return true; |
|
})) return; |
|
|
|
return function gesture(type) { |
|
var p0 = p, n; |
|
switch (type) { |
|
case "start": gestures[id] = gesture, n = active++; break; |
|
case "end": delete gestures[id], --active; // nobreak |
|
case "drag": p = point(container, id), n = active; break; |
|
} |
|
customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); |
|
}; |
|
} |
|
|
|
drag.filter = function(_) { |
|
return arguments.length ? (filter = typeof _ === "function" ? _ : constant$7(!!_), drag) : filter; |
|
}; |
|
|
|
drag.container = function(_) { |
|
return arguments.length ? (container = typeof _ === "function" ? _ : constant$7(_), drag) : container; |
|
}; |
|
|
|
drag.subject = function(_) { |
|
return arguments.length ? (subject = typeof _ === "function" ? _ : constant$7(_), drag) : subject; |
|
}; |
|
|
|
drag.on = function() { |
|
var value = listeners.on.apply(listeners, arguments); |
|
return value === listeners ? drag : value; |
|
}; |
|
|
|
return drag; |
|
} |
|
|
|
function constant$8(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function x$4(d) { |
|
return d[0]; |
|
} |
|
|
|
function y$4(d) { |
|
return d[1]; |
|
} |
|
|
|
function RedBlackTree() { |
|
this._ = null; // root node |
|
} |
|
|
|
function RedBlackNode(node) { |
|
node.U = // parent node |
|
node.C = // color - true for red, false for black |
|
node.L = // left node |
|
node.R = // right node |
|
node.P = // previous node |
|
node.N = null; // next node |
|
} |
|
|
|
RedBlackTree.prototype = { |
|
constructor: RedBlackTree, |
|
|
|
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 = RedBlackFirst(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) { |
|
RedBlackRotateLeft(this, parent); |
|
after = parent; |
|
parent = after.U; |
|
} |
|
parent.C = false; |
|
grandpa.C = true; |
|
RedBlackRotateRight(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) { |
|
RedBlackRotateRight(this, parent); |
|
after = parent; |
|
parent = after.U; |
|
} |
|
parent.C = false; |
|
grandpa.C = true; |
|
RedBlackRotateLeft(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 = RedBlackFirst(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; |
|
RedBlackRotateLeft(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; |
|
RedBlackRotateRight(this, sibling); |
|
sibling = parent.R; |
|
} |
|
sibling.C = parent.C; |
|
parent.C = sibling.R.C = false; |
|
RedBlackRotateLeft(this, parent); |
|
node = this._; |
|
break; |
|
} |
|
} else { |
|
sibling = parent.L; |
|
if (sibling.C) { |
|
sibling.C = false; |
|
parent.C = true; |
|
RedBlackRotateRight(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; |
|
RedBlackRotateLeft(this, sibling); |
|
sibling = parent.L; |
|
} |
|
sibling.C = parent.C; |
|
parent.C = sibling.L.C = false; |
|
RedBlackRotateRight(this, parent); |
|
node = this._; |
|
break; |
|
} |
|
} |
|
sibling.C = true; |
|
node = parent; |
|
parent = parent.U; |
|
} while (!node.C); |
|
|
|
if (node) node.C = false; |
|
} |
|
}; |
|
|
|
function RedBlackRotateLeft(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 RedBlackRotateRight(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 RedBlackFirst(node) { |
|
while (node.L) node = node.L; |
|
return node; |
|
} |
|
|
|
function createEdge(left, right, v0, v1) { |
|
var edge = [null, null], |
|
index = edges.push(edge) - 1; |
|
edge.left = left; |
|
edge.right = right; |
|
if (v0) setEdgeEnd(edge, left, right, v0); |
|
if (v1) setEdgeEnd(edge, right, left, v1); |
|
cells[left.index].halfedges.push(index); |
|
cells[right.index].halfedges.push(index); |
|
return edge; |
|
} |
|
|
|
function createBorderEdge(left, v0, v1) { |
|
var edge = [v0, v1]; |
|
edge.left = left; |
|
return edge; |
|
} |
|
|
|
function setEdgeEnd(edge, left, right, vertex) { |
|
if (!edge[0] && !edge[1]) { |
|
edge[0] = vertex; |
|
edge.left = left; |
|
edge.right = right; |
|
} else if (edge.left === right) { |
|
edge[1] = vertex; |
|
} else { |
|
edge[0] = vertex; |
|
} |
|
} |
|
|
|
// Liang–Barsky line clipping. |
|
function clipEdge(edge, x0, y0, x1, y1) { |
|
var a = edge[0], |
|
b = edge[1], |
|
ax = a[0], |
|
ay = a[1], |
|
bx = b[0], |
|
by = b[1], |
|
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) && !(t1 < 1)) return true; // TODO Better check? |
|
|
|
if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; |
|
if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; |
|
return true; |
|
} |
|
|
|
function connectEdge(edge, x0, y0, x1, y1) { |
|
var v1 = edge[1]; |
|
if (v1) return true; |
|
|
|
var v0 = edge[0], |
|
left = edge.left, |
|
right = edge.right, |
|
lx = left[0], |
|
ly = left[1], |
|
rx = right[0], |
|
ry = right[1], |
|
fx = (lx + rx) / 2, |
|
fy = (ly + ry) / 2, |
|
fm, |
|
fb; |
|
|
|
if (ry === ly) { |
|
if (fx < x0 || fx >= x1) return; |
|
if (lx > rx) { |
|
if (!v0) v0 = [fx, y0]; |
|
else if (v0[1] >= y1) return; |
|
v1 = [fx, y1]; |
|
} else { |
|
if (!v0) v0 = [fx, y1]; |
|
else if (v0[1] < y0) return; |
|
v1 = [fx, y0]; |
|
} |
|
} else { |
|
fm = (lx - rx) / (ry - ly); |
|
fb = fy - fm * fx; |
|
if (fm < -1 || fm > 1) { |
|
if (lx > rx) { |
|
if (!v0) v0 = [(y0 - fb) / fm, y0]; |
|
else if (v0[1] >= y1) return; |
|
v1 = [(y1 - fb) / fm, y1]; |
|
} else { |
|
if (!v0) v0 = [(y1 - fb) / fm, y1]; |
|
else if (v0[1] < y0) return; |
|
v1 = [(y0 - fb) / fm, y0]; |
|
} |
|
} else { |
|
if (ly < ry) { |
|
if (!v0) v0 = [x0, fm * x0 + fb]; |
|
else if (v0[0] >= x1) return; |
|
v1 = [x1, fm * x1 + fb]; |
|
} else { |
|
if (!v0) v0 = [x1, fm * x1 + fb]; |
|
else if (v0[0] < x0) return; |
|
v1 = [x0, fm * x0 + fb]; |
|
} |
|
} |
|
} |
|
|
|
edge[0] = v0; |
|
edge[1] = v1; |
|
return true; |
|
} |
|
|
|
function clipEdges(x0, y0, x1, y1) { |
|
var i = edges.length, |
|
edge; |
|
|
|
while (i--) { |
|
if (!connectEdge(edge = edges[i], x0, y0, x1, y1) |
|
|| !clipEdge(edge, x0, y0, x1, y1) |
|
|| !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$3 |
|
|| Math.abs(edge[0][1] - edge[1][1]) > epsilon$3)) { |
|
delete edges[i]; |
|
} |
|
} |
|
} |
|
|
|
function createCell(site) { |
|
return cells[site.index] = { |
|
site: site, |
|
halfedges: [] |
|
}; |
|
} |
|
|
|
function cellHalfedgeAngle(cell, edge) { |
|
var site = cell.site, |
|
va = edge.left, |
|
vb = edge.right; |
|
if (site === vb) vb = va, va = site; |
|
if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); |
|
if (site === va) va = edge[1], vb = edge[0]; |
|
else va = edge[0], vb = edge[1]; |
|
return Math.atan2(va[0] - vb[0], vb[1] - va[1]); |
|
} |
|
|
|
function cellHalfedgeStart(cell, edge) { |
|
return edge[+(edge.left !== cell.site)]; |
|
} |
|
|
|
function cellHalfedgeEnd(cell, edge) { |
|
return edge[+(edge.left === cell.site)]; |
|
} |
|
|
|
function sortCellHalfedges() { |
|
for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { |
|
if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { |
|
var index = new Array(m), |
|
array = new Array(m); |
|
for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); |
|
index.sort(function(i, j) { return array[j] - array[i]; }); |
|
for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; |
|
for (j = 0; j < m; ++j) halfedges[j] = array[j]; |
|
} |
|
} |
|
} |
|
|
|
function clipCells(x0, y0, x1, y1) { |
|
var nCells = cells.length, |
|
iCell, |
|
cell, |
|
site, |
|
iHalfedge, |
|
halfedges, |
|
nHalfedges, |
|
start, |
|
startX, |
|
startY, |
|
end, |
|
endX, |
|
endY, |
|
cover = true; |
|
|
|
for (iCell = 0; iCell < nCells; ++iCell) { |
|
if (cell = cells[iCell]) { |
|
site = cell.site; |
|
halfedges = cell.halfedges; |
|
iHalfedge = halfedges.length; |
|
|
|
// Remove any dangling clipped edges. |
|
while (iHalfedge--) { |
|
if (!edges[halfedges[iHalfedge]]) { |
|
halfedges.splice(iHalfedge, 1); |
|
} |
|
} |
|
|
|
// Insert any border edges as necessary. |
|
iHalfedge = 0, nHalfedges = halfedges.length; |
|
while (iHalfedge < nHalfedges) { |
|
end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; |
|
start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; |
|
if (Math.abs(endX - startX) > epsilon$3 || Math.abs(endY - startY) > epsilon$3) { |
|
halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, |
|
Math.abs(endX - x0) < epsilon$3 && y1 - endY > epsilon$3 ? [x0, Math.abs(startX - x0) < epsilon$3 ? startY : y1] |
|
: Math.abs(endY - y1) < epsilon$3 && x1 - endX > epsilon$3 ? [Math.abs(startY - y1) < epsilon$3 ? startX : x1, y1] |
|
: Math.abs(endX - x1) < epsilon$3 && endY - y0 > epsilon$3 ? [x1, Math.abs(startX - x1) < epsilon$3 ? startY : y0] |
|
: Math.abs(endY - y0) < epsilon$3 && endX - x0 > epsilon$3 ? [Math.abs(startY - y0) < epsilon$3 ? startX : x0, y0] |
|
: null)) - 1); |
|
++nHalfedges; |
|
} |
|
} |
|
|
|
if (nHalfedges) cover = false; |
|
} |
|
} |
|
|
|
// If there weren’t any edges, have the closest site cover the extent. |
|
// It doesn’t matter which corner of the extent we measure! |
|
if (cover) { |
|
var dx, dy, d2, dc = Infinity; |
|
|
|
for (iCell = 0, cover = null; iCell < nCells; ++iCell) { |
|
if (cell = cells[iCell]) { |
|
site = cell.site; |
|
dx = site[0] - x0; |
|
dy = site[1] - y0; |
|
d2 = dx * dx + dy * dy; |
|
if (d2 < dc) dc = d2, cover = cell; |
|
} |
|
} |
|
|
|
if (cover) { |
|
var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; |
|
cover.halfedges.push( |
|
edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, |
|
edges.push(createBorderEdge(site, v01, v11)) - 1, |
|
edges.push(createBorderEdge(site, v11, v10)) - 1, |
|
edges.push(createBorderEdge(site, v10, v00)) - 1 |
|
); |
|
} |
|
} |
|
|
|
// Lastly delete any cells with no edges; these were entirely clipped. |
|
for (iCell = 0; iCell < nCells; ++iCell) { |
|
if (cell = cells[iCell]) { |
|
if (!cell.halfedges.length) { |
|
delete cells[iCell]; |
|
} |
|
} |
|
} |
|
} |
|
|
|
var circlePool = []; |
|
|
|
var firstCircle; |
|
|
|
function Circle() { |
|
RedBlackNode(this); |
|
this.x = |
|
this.y = |
|
this.arc = |
|
this.site = |
|
this.cy = null; |
|
} |
|
|
|
function attachCircle(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[0], |
|
by = cSite[1], |
|
ax = lSite[0] - bx, |
|
ay = lSite[1] - by, |
|
cx = rSite[0] - bx, |
|
cy = rSite[1] - by; |
|
|
|
var d = 2 * (ax * cy - ay * cx); |
|
if (d >= -epsilon2$1) return; |
|
|
|
var ha = ax * ax + ay * ay, |
|
hc = cx * cx + cy * cy, |
|
x = (cy * ha - ay * hc) / d, |
|
y = (ax * hc - cx * ha) / d; |
|
|
|
var circle = circlePool.pop() || new Circle; |
|
circle.arc = arc; |
|
circle.site = cSite; |
|
circle.x = x + bx; |
|
circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom |
|
|
|
arc.circle = circle; |
|
|
|
var before = null, |
|
node = circles._; |
|
|
|
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; } |
|
} |
|
} |
|
|
|
circles.insert(before, circle); |
|
if (!before) firstCircle = circle; |
|
} |
|
|
|
function detachCircle(arc) { |
|
var circle = arc.circle; |
|
if (circle) { |
|
if (!circle.P) firstCircle = circle.N; |
|
circles.remove(circle); |
|
circlePool.push(circle); |
|
RedBlackNode(circle); |
|
arc.circle = null; |
|
} |
|
} |
|
|
|
var beachPool = []; |
|
|
|
function Beach() { |
|
RedBlackNode(this); |
|
this.edge = |
|
this.site = |
|
this.circle = null; |
|
} |
|
|
|
function createBeach(site) { |
|
var beach = beachPool.pop() || new Beach; |
|
beach.site = site; |
|
return beach; |
|
} |
|
|
|
function detachBeach(beach) { |
|
detachCircle(beach); |
|
beaches.remove(beach); |
|
beachPool.push(beach); |
|
RedBlackNode(beach); |
|
} |
|
|
|
function removeBeach(beach) { |
|
var circle = beach.circle, |
|
x = circle.x, |
|
y = circle.cy, |
|
vertex = [x, y], |
|
previous = beach.P, |
|
next = beach.N, |
|
disappearing = [beach]; |
|
|
|
detachBeach(beach); |
|
|
|
var lArc = previous; |
|
while (lArc.circle |
|
&& Math.abs(x - lArc.circle.x) < epsilon$3 |
|
&& Math.abs(y - lArc.circle.cy) < epsilon$3) { |
|
previous = lArc.P; |
|
disappearing.unshift(lArc); |
|
detachBeach(lArc); |
|
lArc = previous; |
|
} |
|
|
|
disappearing.unshift(lArc); |
|
detachCircle(lArc); |
|
|
|
var rArc = next; |
|
while (rArc.circle |
|
&& Math.abs(x - rArc.circle.x) < epsilon$3 |
|
&& Math.abs(y - rArc.circle.cy) < epsilon$3) { |
|
next = rArc.N; |
|
disappearing.push(rArc); |
|
detachBeach(rArc); |
|
rArc = next; |
|
} |
|
|
|
disappearing.push(rArc); |
|
detachCircle(rArc); |
|
|
|
var nArcs = disappearing.length, |
|
iArc; |
|
for (iArc = 1; iArc < nArcs; ++iArc) { |
|
rArc = disappearing[iArc]; |
|
lArc = disappearing[iArc - 1]; |
|
setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); |
|
} |
|
|
|
lArc = disappearing[0]; |
|
rArc = disappearing[nArcs - 1]; |
|
rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); |
|
|
|
attachCircle(lArc); |
|
attachCircle(rArc); |
|
} |
|
|
|
function addBeach(site) { |
|
var x = site[0], |
|
directrix = site[1], |
|
lArc, |
|
rArc, |
|
dxl, |
|
dxr, |
|
node = beaches._; |
|
|
|
while (node) { |
|
dxl = leftBreakPoint(node, directrix) - x; |
|
if (dxl > epsilon$3) node = node.L; else { |
|
dxr = x - rightBreakPoint(node, directrix); |
|
if (dxr > epsilon$3) { |
|
if (!node.R) { |
|
lArc = node; |
|
break; |
|
} |
|
node = node.R; |
|
} else { |
|
if (dxl > -epsilon$3) { |
|
lArc = node.P; |
|
rArc = node; |
|
} else if (dxr > -epsilon$3) { |
|
lArc = node; |
|
rArc = node.N; |
|
} else { |
|
lArc = rArc = node; |
|
} |
|
break; |
|
} |
|
} |
|
} |
|
|
|
createCell(site); |
|
var newArc = createBeach(site); |
|
beaches.insert(lArc, newArc); |
|
|
|
if (!lArc && !rArc) return; |
|
|
|
if (lArc === rArc) { |
|
detachCircle(lArc); |
|
rArc = createBeach(lArc.site); |
|
beaches.insert(newArc, rArc); |
|
newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); |
|
attachCircle(lArc); |
|
attachCircle(rArc); |
|
return; |
|
} |
|
|
|
if (!rArc) { // && lArc |
|
newArc.edge = createEdge(lArc.site, newArc.site); |
|
return; |
|
} |
|
|
|
// else lArc !== rArc |
|
detachCircle(lArc); |
|
detachCircle(rArc); |
|
|
|
var lSite = lArc.site, |
|
ax = lSite[0], |
|
ay = lSite[1], |
|
bx = site[0] - ax, |
|
by = site[1] - ay, |
|
rSite = rArc.site, |
|
cx = rSite[0] - ax, |
|
cy = rSite[1] - ay, |
|
d = 2 * (bx * cy - by * cx), |
|
hb = bx * bx + by * by, |
|
hc = cx * cx + cy * cy, |
|
vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; |
|
|
|
setEdgeEnd(rArc.edge, lSite, rSite, vertex); |
|
newArc.edge = createEdge(lSite, site, null, vertex); |
|
rArc.edge = createEdge(site, rSite, null, vertex); |
|
attachCircle(lArc); |
|
attachCircle(rArc); |
|
} |
|
|
|
function leftBreakPoint(arc, directrix) { |
|
var site = arc.site, |
|
rfocx = site[0], |
|
rfocy = site[1], |
|
pby2 = rfocy - directrix; |
|
|
|
if (!pby2) return rfocx; |
|
|
|
var lArc = arc.P; |
|
if (!lArc) return -Infinity; |
|
|
|
site = lArc.site; |
|
var lfocx = site[0], |
|
lfocy = site[1], |
|
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 rightBreakPoint(arc, directrix) { |
|
var rArc = arc.N; |
|
if (rArc) return leftBreakPoint(rArc, directrix); |
|
var site = arc.site; |
|
return site[1] === directrix ? site[0] : Infinity; |
|
} |
|
|
|
var epsilon$3 = 1e-6; |
|
var epsilon2$1 = 1e-12; |
|
var beaches; |
|
var cells; |
|
var circles; |
|
var edges; |
|
|
|
function triangleArea(a, b, c) { |
|
return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); |
|
} |
|
|
|
function lexicographic(a, b) { |
|
return b[1] - a[1] |
|
|| b[0] - a[0]; |
|
} |
|
|
|
function Diagram(sites, extent) { |
|
var site = sites.sort(lexicographic).pop(), |
|
x, |
|
y, |
|
circle; |
|
|
|
edges = []; |
|
cells = new Array(sites.length); |
|
beaches = new RedBlackTree; |
|
circles = new RedBlackTree; |
|
|
|
while (true) { |
|
circle = firstCircle; |
|
if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { |
|
if (site[0] !== x || site[1] !== y) { |
|
addBeach(site); |
|
x = site[0], y = site[1]; |
|
} |
|
site = sites.pop(); |
|
} else if (circle) { |
|
removeBeach(circle.arc); |
|
} else { |
|
break; |
|
} |
|
} |
|
|
|
sortCellHalfedges(); |
|
|
|
if (extent) { |
|
var x0 = +extent[0][0], |
|
y0 = +extent[0][1], |
|
x1 = +extent[1][0], |
|
y1 = +extent[1][1]; |
|
clipEdges(x0, y0, x1, y1); |
|
clipCells(x0, y0, x1, y1); |
|
} |
|
|
|
this.edges = edges; |
|
this.cells = cells; |
|
|
|
beaches = |
|
circles = |
|
edges = |
|
cells = null; |
|
} |
|
|
|
Diagram.prototype = { |
|
constructor: Diagram, |
|
|
|
polygons: function() { |
|
var edges = this.edges; |
|
|
|
return this.cells.map(function(cell) { |
|
var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); |
|
polygon.data = cell.site.data; |
|
return polygon; |
|
}); |
|
}, |
|
|
|
triangles: function() { |
|
var triangles = [], |
|
edges = this.edges; |
|
|
|
this.cells.forEach(function(cell, i) { |
|
var site = cell.site, |
|
halfedges = cell.halfedges, |
|
j = -1, |
|
m = halfedges.length, |
|
s0, |
|
e1 = edges[halfedges[m - 1]], |
|
s1 = e1.left === site ? e1.right : e1.left; |
|
|
|
while (++j < m) { |
|
s0 = s1; |
|
e1 = edges[halfedges[j]]; |
|
s1 = e1.left === site ? e1.right : e1.left; |
|
if (i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { |
|
triangles.push([site.data, s0.data, s1.data]); |
|
} |
|
} |
|
}); |
|
|
|
return triangles; |
|
}, |
|
|
|
links: function() { |
|
return this.edges.filter(function(edge) { |
|
return edge.right; |
|
}).map(function(edge) { |
|
return { |
|
source: edge.left.data, |
|
target: edge.right.data |
|
}; |
|
}); |
|
} |
|
} |
|
|
|
function voronoi() { |
|
var x = x$4, |
|
y = y$4, |
|
extent = null; |
|
|
|
function voronoi(data) { |
|
return new Diagram(data.map(function(d, i) { |
|
var s = [Math.round(x(d, i, data) / epsilon$3) * epsilon$3, Math.round(y(d, i, data) / epsilon$3) * epsilon$3]; |
|
s.index = i; |
|
s.data = d; |
|
return s; |
|
}), extent); |
|
} |
|
|
|
voronoi.polygons = function(data) { |
|
return voronoi(data).polygons(); |
|
}; |
|
|
|
voronoi.links = function(data) { |
|
return voronoi(data).links(); |
|
}; |
|
|
|
voronoi.triangles = function(data) { |
|
return voronoi(data).triangles(); |
|
}; |
|
|
|
voronoi.x = function(_) { |
|
return arguments.length ? (x = typeof _ === "function" ? _ : constant$8(+_), voronoi) : x; |
|
}; |
|
|
|
voronoi.y = function(_) { |
|
return arguments.length ? (y = typeof _ === "function" ? _ : constant$8(+_), voronoi) : y; |
|
}; |
|
|
|
voronoi.extent = function(_) { |
|
return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]]; |
|
}; |
|
|
|
voronoi.size = function(_) { |
|
return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; |
|
}; |
|
|
|
return voronoi; |
|
} |
|
|
|
function constant$9(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function ZoomEvent(target, type, transform) { |
|
this.target = target; |
|
this.type = type; |
|
this.transform = transform; |
|
} |
|
|
|
function Transform(k, x, y) { |
|
this.k = k; |
|
this.x = x; |
|
this.y = y; |
|
} |
|
|
|
Transform.prototype = { |
|
constructor: Transform, |
|
scale: function(k) { |
|
return k === 1 ? this : new Transform(this.k * k, this.x, this.y); |
|
}, |
|
translate: function(x, y) { |
|
return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); |
|
}, |
|
apply: function(point) { |
|
return [point[0] * this.k + this.x, point[1] * this.k + this.y]; |
|
}, |
|
applyX: function(x) { |
|
return x * this.k + this.x; |
|
}, |
|
applyY: function(y) { |
|
return y * this.k + this.y; |
|
}, |
|
invert: function(location) { |
|
return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; |
|
}, |
|
invertX: function(x) { |
|
return (x - this.x) / this.k; |
|
}, |
|
invertY: function(y) { |
|
return (y - this.y) / this.k; |
|
}, |
|
rescaleX: function(x) { |
|
return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); |
|
}, |
|
rescaleY: function(y) { |
|
return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); |
|
}, |
|
toString: function() { |
|
return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; |
|
} |
|
}; |
|
|
|
var identity$6 = new Transform(1, 0, 0); |
|
|
|
transform.prototype = Transform.prototype; |
|
|
|
function transform(node) { |
|
return node.__zoom || identity$6; |
|
} |
|
|
|
function nopropagation$1() { |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
function noevent$1() { |
|
exports.event.preventDefault(); |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
// Ignore right-click, since that should open the context menu. |
|
function defaultFilter$1() { |
|
return !exports.event.button; |
|
} |
|
|
|
function defaultExtent() { |
|
var e = this, w, h; |
|
if (e instanceof SVGElement) { |
|
e = e.ownerSVGElement || e; |
|
w = e.width.baseVal.value; |
|
h = e.height.baseVal.value; |
|
} else { |
|
w = e.clientWidth; |
|
h = e.clientHeight; |
|
} |
|
return [[0, 0], [w, h]]; |
|
} |
|
|
|
function defaultTransform() { |
|
return this.__zoom || identity$6; |
|
} |
|
|
|
function zoom() { |
|
var filter = defaultFilter$1, |
|
extent = defaultExtent, |
|
k0 = 0, |
|
k1 = Infinity, |
|
x0 = -k1, |
|
x1 = k1, |
|
y0 = x0, |
|
y1 = x1, |
|
duration = 250, |
|
gestures = [], |
|
listeners = dispatch("start", "zoom", "end"), |
|
touchstarting, |
|
touchending, |
|
touchDelay = 500, |
|
wheelDelay = 150; |
|
|
|
function zoom(selection) { |
|
selection |
|
.on("wheel.zoom", wheeled) |
|
.on("mousedown.zoom", mousedowned) |
|
.on("dblclick.zoom", dblclicked) |
|
.on("touchstart.zoom", touchstarted) |
|
.on("touchmove.zoom", touchmoved) |
|
.on("touchend.zoom touchcancel.zoom", touchended) |
|
.style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") |
|
.property("__zoom", defaultTransform); |
|
} |
|
|
|
zoom.transform = function(collection, transform) { |
|
var selection = collection.selection ? collection.selection() : collection; |
|
selection.property("__zoom", defaultTransform); |
|
if (collection !== selection) { |
|
schedule(collection, transform); |
|
} else { |
|
selection.interrupt().each(function() { |
|
gesture(this, arguments) |
|
.start() |
|
.zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform) |
|
.end(); |
|
}); |
|
} |
|
}; |
|
|
|
zoom.scaleBy = function(selection, k) { |
|
zoom.scaleTo(selection, function() { |
|
var k0 = this.__zoom.k, |
|
k1 = typeof k === "function" ? k.apply(this, arguments) : k; |
|
return k0 * k1; |
|
}); |
|
}; |
|
|
|
zoom.scaleTo = function(selection, k) { |
|
zoom.transform(selection, function() { |
|
var e = extent.apply(this, arguments), |
|
t0 = this.__zoom, |
|
p0 = centroid(e), |
|
p1 = t0.invert(p0), |
|
k1 = typeof k === "function" ? k.apply(this, arguments) : k; |
|
return constrain(translate(scale(t0, k1), p0, p1), e); |
|
}); |
|
}; |
|
|
|
zoom.translateBy = function(selection, x, y) { |
|
zoom.transform(selection, function() { |
|
return constrain(this.__zoom.translate( |
|
typeof x === "function" ? x.apply(this, arguments) : x, |
|
typeof y === "function" ? y.apply(this, arguments) : y |
|
), extent.apply(this, arguments)); |
|
}); |
|
}; |
|
|
|
function scale(transform, k) { |
|
k = Math.max(k0, Math.min(k1, k)); |
|
return k === transform.k ? transform : new Transform(k, transform.x, transform.y); |
|
} |
|
|
|
function translate(transform, p0, p1) { |
|
var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k; |
|
return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y); |
|
} |
|
|
|
function constrain(transform, extent) { |
|
var dx = Math.min(0, transform.invertX(extent[0][0]) - x0) || Math.max(0, transform.invertX(extent[1][0]) - x1), |
|
dy = Math.min(0, transform.invertY(extent[0][1]) - y0) || Math.max(0, transform.invertY(extent[1][1]) - y1); |
|
return dx || dy ? transform.translate(dx, dy) : transform; |
|
} |
|
|
|
function centroid(extent) { |
|
return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; |
|
} |
|
|
|
function schedule(transition, transform, center) { |
|
transition |
|
.on("start.zoom", function() { gesture(this, arguments).start(); }) |
|
.on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) |
|
.tween("zoom", function() { |
|
var that = this, |
|
args = arguments, |
|
g = gesture(that, args), |
|
e = extent.apply(that, args), |
|
p = center || centroid(e), |
|
w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), |
|
a = that.__zoom, |
|
b = typeof transform === "function" ? transform.apply(that, args) : transform, |
|
i = interpolateZoom(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); |
|
return function(t) { |
|
if (t === 1) t = b; // Avoid rounding error on end. |
|
else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } |
|
g.zoom(null, t); |
|
}; |
|
}); |
|
} |
|
|
|
function gesture(that, args) { |
|
for (var i = 0, n = gestures.length, g; i < n; ++i) { |
|
if ((g = gestures[i]).that === that) { |
|
return g; |
|
} |
|
} |
|
return new Gesture(that, args); |
|
} |
|
|
|
function Gesture(that, args) { |
|
this.that = that; |
|
this.args = args; |
|
this.index = -1; |
|
this.active = 0; |
|
this.extent = extent.apply(that, args); |
|
} |
|
|
|
Gesture.prototype = { |
|
start: function() { |
|
if (++this.active === 1) { |
|
this.index = gestures.push(this) - 1; |
|
this.emit("start"); |
|
} |
|
return this; |
|
}, |
|
zoom: function(key, transform) { |
|
if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]); |
|
if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]); |
|
if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]); |
|
this.that.__zoom = transform; |
|
this.emit("zoom"); |
|
return this; |
|
}, |
|
end: function() { |
|
if (--this.active === 0) { |
|
gestures.splice(this.index, 1); |
|
this.index = -1; |
|
this.emit("end"); |
|
} |
|
return this; |
|
}, |
|
emit: function(type) { |
|
customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); |
|
} |
|
}; |
|
|
|
function wheeled() { |
|
if (!filter.apply(this, arguments)) return; |
|
var g = gesture(this, arguments), |
|
t = this.__zoom, |
|
k = Math.max(k0, Math.min(k1, t.k * Math.pow(2, -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500))), |
|
p = mouse(this); |
|
|
|
// If the mouse is in the same location as before, reuse it. |
|
// If there were recent wheel events, reset the wheel idle timeout. |
|
if (g.wheel) { |
|
if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { |
|
g.mouse[1] = t.invert(g.mouse[0] = p); |
|
} |
|
clearTimeout(g.wheel); |
|
} |
|
|
|
// If this wheel event won’t trigger a transform change, ignore it. |
|
else if (t.k === k) return; |
|
|
|
// Otherwise, capture the mouse point and location at the start. |
|
else { |
|
g.mouse = [p, t.invert(p)]; |
|
interrupt(this); |
|
g.start(); |
|
} |
|
|
|
noevent$1(); |
|
g.wheel = setTimeout(wheelidled, wheelDelay); |
|
g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent)); |
|
|
|
function wheelidled() { |
|
g.wheel = null; |
|
g.end(); |
|
} |
|
} |
|
|
|
function mousedowned() { |
|
if (touchending || !filter.apply(this, arguments)) return; |
|
var g = gesture(this, arguments), |
|
v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), |
|
p = mouse(this); |
|
|
|
dragDisable(exports.event.view); |
|
nopropagation$1(); |
|
g.mouse = [p, this.__zoom.invert(p)]; |
|
interrupt(this); |
|
g.start(); |
|
|
|
function mousemoved() { |
|
noevent$1(); |
|
g.moved = true; |
|
g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent)); |
|
} |
|
|
|
function mouseupped() { |
|
v.on("mousemove.zoom mouseup.zoom", null); |
|
dragEnable(exports.event.view, g.moved); |
|
noevent$1(); |
|
g.end(); |
|
} |
|
} |
|
|
|
function dblclicked() { |
|
if (!filter.apply(this, arguments)) return; |
|
var t0 = this.__zoom, |
|
p0 = mouse(this), |
|
p1 = t0.invert(p0), |
|
k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), |
|
t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments)); |
|
|
|
noevent$1(); |
|
if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); |
|
else select(this).call(zoom.transform, t1); |
|
} |
|
|
|
function touchstarted() { |
|
if (!filter.apply(this, arguments)) return; |
|
var g = gesture(this, arguments), |
|
touches = exports.event.changedTouches, |
|
n = touches.length, i, t, p; |
|
|
|
nopropagation$1(); |
|
for (i = 0; i < n; ++i) { |
|
t = touches[i], p = touch(this, touches, t.identifier); |
|
p = [p, this.__zoom.invert(p), t.identifier]; |
|
if (!g.touch0) g.touch0 = p; |
|
else if (!g.touch1) g.touch1 = p; |
|
} |
|
if (touchstarting) { |
|
touchstarting = clearTimeout(touchstarting); |
|
if (!g.touch1) return g.end(), dblclicked.apply(this, arguments); |
|
} |
|
if (exports.event.touches.length === n) { |
|
touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); |
|
interrupt(this); |
|
g.start(); |
|
} |
|
} |
|
|
|
function touchmoved() { |
|
var g = gesture(this, arguments), |
|
touches = exports.event.changedTouches, |
|
n = touches.length, i, t, p, l; |
|
|
|
noevent$1(); |
|
if (touchstarting) touchstarting = clearTimeout(touchstarting); |
|
for (i = 0; i < n; ++i) { |
|
t = touches[i], p = touch(this, touches, t.identifier); |
|
if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; |
|
else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; |
|
} |
|
t = g.that.__zoom; |
|
if (g.touch1) { |
|
var p0 = g.touch0[0], l0 = g.touch0[1], |
|
p1 = g.touch1[0], l1 = g.touch1[1], |
|
dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, |
|
dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; |
|
t = scale(t, Math.sqrt(dp / dl)); |
|
p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; |
|
l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; |
|
} |
|
else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; |
|
else return; |
|
g.zoom("touch", constrain(translate(t, p, l), g.extent)); |
|
} |
|
|
|
function touchended() { |
|
var g = gesture(this, arguments), |
|
touches = exports.event.changedTouches, |
|
n = touches.length, i, t; |
|
|
|
nopropagation$1(); |
|
if (touchending) clearTimeout(touchending); |
|
touchending = setTimeout(function() { touchending = null; }, touchDelay); |
|
for (i = 0; i < n; ++i) { |
|
t = touches[i]; |
|
if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; |
|
else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; |
|
} |
|
if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; |
|
if (!g.touch0) g.end(); |
|
} |
|
|
|
zoom.filter = function(_) { |
|
return arguments.length ? (filter = typeof _ === "function" ? _ : constant$9(!!_), zoom) : filter; |
|
}; |
|
|
|
zoom.extent = function(_) { |
|
return arguments.length ? (extent = typeof _ === "function" ? _ : constant$9([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; |
|
}; |
|
|
|
zoom.scaleExtent = function(_) { |
|
return arguments.length ? (k0 = +_[0], k1 = +_[1], zoom) : [k0, k1]; |
|
}; |
|
|
|
zoom.translateExtent = function(_) { |
|
return arguments.length ? (x0 = +_[0][0], x1 = +_[1][0], y0 = +_[0][1], y1 = +_[1][1], zoom) : [[x0, y0], [x1, y1]]; |
|
}; |
|
|
|
zoom.duration = function(_) { |
|
return arguments.length ? (duration = +_, zoom) : duration; |
|
}; |
|
|
|
zoom.on = function() { |
|
var value = listeners.on.apply(listeners, arguments); |
|
return value === listeners ? zoom : value; |
|
}; |
|
|
|
return zoom; |
|
} |
|
|
|
function constant$10(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function BrushEvent(target, type, selection) { |
|
this.target = target; |
|
this.type = type; |
|
this.selection = selection; |
|
} |
|
|
|
function nopropagation$2() { |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
function noevent$2() { |
|
exports.event.preventDefault(); |
|
exports.event.stopImmediatePropagation(); |
|
} |
|
|
|
var MODE_DRAG = {name: "drag"}; |
|
var MODE_SPACE = {name: "space"}; |
|
var MODE_HANDLE = {name: "handle"}; |
|
var MODE_CENTER = {name: "center"}; |
|
var X = { |
|
name: "x", |
|
handles: ["e", "w"].map(type$1), |
|
input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, |
|
output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } |
|
}; |
|
|
|
var Y = { |
|
name: "y", |
|
handles: ["n", "s"].map(type$1), |
|
input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, |
|
output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } |
|
}; |
|
|
|
var XY = { |
|
name: "xy", |
|
handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type$1), |
|
input: function(xy) { return xy; }, |
|
output: function(xy) { return xy; } |
|
}; |
|
|
|
var cursors = { |
|
overlay: "crosshair", |
|
selection: "move", |
|
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 flipX = { |
|
e: "w", |
|
w: "e", |
|
nw: "ne", |
|
ne: "nw", |
|
se: "sw", |
|
sw: "se" |
|
}; |
|
|
|
var flipY = { |
|
n: "s", |
|
s: "n", |
|
nw: "sw", |
|
ne: "se", |
|
se: "ne", |
|
sw: "nw" |
|
}; |
|
|
|
var signsX = { |
|
overlay: +1, |
|
selection: +1, |
|
n: null, |
|
e: +1, |
|
s: null, |
|
w: -1, |
|
nw: -1, |
|
ne: +1, |
|
se: +1, |
|
sw: -1 |
|
}; |
|
|
|
var signsY = { |
|
overlay: +1, |
|
selection: +1, |
|
n: -1, |
|
e: null, |
|
s: +1, |
|
w: null, |
|
nw: -1, |
|
ne: -1, |
|
se: +1, |
|
sw: +1 |
|
}; |
|
|
|
function type$1(t) { |
|
return {type: t}; |
|
} |
|
|
|
// Ignore right-click, since that should open the context menu. |
|
function defaultFilter$2() { |
|
return !exports.event.button; |
|
} |
|
|
|
function defaultExtent$1() { |
|
var svg = this.ownerSVGElement || this; |
|
return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; |
|
} |
|
|
|
// Like d3.local, but with the name “__brush” rather than auto-generated. |
|
function local$1(node) { |
|
while (!node.__brush) if (!(node = node.parentNode)) return; |
|
return node.__brush; |
|
} |
|
|
|
function empty$1(extent) { |
|
return extent[0][0] === extent[1][0] |
|
|| extent[0][1] === extent[1][1]; |
|
} |
|
|
|
function brushSelection(node) { |
|
var state = node.__brush; |
|
return state ? state.dim.output(state.selection) : null; |
|
} |
|
|
|
function brushX() { |
|
return brush$1(X); |
|
} |
|
|
|
function brushY() { |
|
return brush$1(Y); |
|
} |
|
|
|
function brush() { |
|
return brush$1(XY); |
|
} |
|
|
|
function brush$1(dim) { |
|
var extent = defaultExtent$1, |
|
filter = defaultFilter$2, |
|
listeners = dispatch(brush, "start", "brush", "end"), |
|
handleSize = 6, |
|
touchending; |
|
|
|
function brush(group) { |
|
var overlay = group |
|
.property("__brush", initialize) |
|
.selectAll(".overlay") |
|
.data([type$1("overlay")]); |
|
|
|
overlay.enter().append("rect") |
|
.attr("class", "overlay") |
|
.attr("pointer-events", "all") |
|
.attr("cursor", cursors.overlay) |
|
.merge(overlay) |
|
.each(function() { |
|
var extent = local$1(this).extent; |
|
select(this) |
|
.attr("x", extent[0][0]) |
|
.attr("y", extent[0][1]) |
|
.attr("width", extent[1][0] - extent[0][0]) |
|
.attr("height", extent[1][1] - extent[0][1]); |
|
}); |
|
|
|
group.selectAll(".selection") |
|
.data([type$1("selection")]) |
|
.enter().append("rect") |
|
.attr("class", "selection") |
|
.attr("cursor", cursors.selection) |
|
.attr("fill", "#777") |
|
.attr("fill-opacity", 0.3) |
|
.attr("stroke", "#fff") |
|
.attr("shape-rendering", "crispEdges"); |
|
|
|
var handle = group.selectAll(".handle") |
|
.data(dim.handles, function(d) { return d.type; }); |
|
|
|
handle.exit().remove(); |
|
|
|
handle.enter().append("rect") |
|
.attr("class", function(d) { return "handle handle--" + d.type; }) |
|
.attr("cursor", function(d) { return cursors[d.type]; }); |
|
|
|
group |
|
.each(redraw) |
|
.attr("fill", "none") |
|
.attr("pointer-events", "all") |
|
.style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") |
|
.on("mousedown.brush touchstart.brush", started); |
|
} |
|
|
|
brush.move = function(group, selection) { |
|
if (group.selection) { |
|
group |
|
.on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) |
|
.on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) |
|
.tween("brush", function() { |
|
var that = this, |
|
state = that.__brush, |
|
emit = emitter(that, arguments), |
|
selection0 = state.selection, |
|
selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), |
|
i = interpolate(selection0, selection1); |
|
|
|
function tween(t) { |
|
state.selection = t === 1 && empty$1(selection1) ? null : i(t); |
|
redraw.call(that); |
|
emit.brush(); |
|
} |
|
|
|
return selection0 && selection1 ? tween : tween(1); |
|
}); |
|
} else { |
|
group |
|
.each(function() { |
|
var that = this, |
|
args = arguments, |
|
state = that.__brush, |
|
selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), |
|
emit = emitter(that, args).beforestart(); |
|
|
|
interrupt(that); |
|
state.selection = selection1 == null || empty$1(selection1) ? null : selection1; |
|
redraw.call(that); |
|
emit.start().brush().end(); |
|
}); |
|
} |
|
}; |
|
|
|
function redraw() { |
|
var group = select(this), |
|
selection = local$1(this).selection; |
|
|
|
if (selection) { |
|
group.selectAll(".selection") |
|
.style("display", null) |
|
.attr("x", selection[0][0]) |
|
.attr("y", selection[0][1]) |
|
.attr("width", selection[1][0] - selection[0][0]) |
|
.attr("height", selection[1][1] - selection[0][1]); |
|
|
|
group.selectAll(".handle") |
|
.style("display", null) |
|
.attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) |
|
.attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) |
|
.attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) |
|
.attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); |
|
} |
|
|
|
else { |
|
group.selectAll(".selection,.handle") |
|
.style("display", "none") |
|
.attr("x", null) |
|
.attr("y", null) |
|
.attr("width", null) |
|
.attr("height", null); |
|
} |
|
} |
|
|
|
function emitter(that, args) { |
|
return that.__brush.emitter || new Emitter(that, args); |
|
} |
|
|
|
function Emitter(that, args) { |
|
this.that = that; |
|
this.args = args; |
|
this.state = that.__brush; |
|
this.active = 0; |
|
} |
|
|
|
Emitter.prototype = { |
|
beforestart: function() { |
|
if (++this.active === 1) this.state.emitter = this, this.starting = true; |
|
return this; |
|
}, |
|
start: function() { |
|
if (this.starting) this.starting = false, this.emit("start"); |
|
return this; |
|
}, |
|
brush: function() { |
|
this.emit("brush"); |
|
return this; |
|
}, |
|
end: function() { |
|
if (--this.active === 0) delete this.state.emitter, this.emit("end"); |
|
return this; |
|
}, |
|
emit: function(type) { |
|
customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); |
|
} |
|
}; |
|
|
|
function started() { |
|
if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$2(); } |
|
else if (touchending) return; |
|
if (!filter.apply(this, arguments)) return; |
|
|
|
var that = this, |
|
type = exports.event.target.__data__.type, |
|
mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), |
|
signX = dim === Y ? null : signsX[type], |
|
signY = dim === X ? null : signsY[type], |
|
state = local$1(that), |
|
extent = state.extent, |
|
selection = state.selection, |
|
W = extent[0][0], w0, w1, |
|
N = extent[0][1], n0, n1, |
|
E = extent[1][0], e0, e1, |
|
S = extent[1][1], s0, s1, |
|
dx, |
|
dy, |
|
moving, |
|
shifting = signX && signY && exports.event.shiftKey, |
|
lockX, |
|
lockY, |
|
point0 = mouse(that), |
|
point = point0, |
|
emit = emitter(that, arguments).beforestart(); |
|
|
|
if (type === "overlay") { |
|
state.selection = selection = [ |
|
[w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], |
|
[e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] |
|
]; |
|
} else { |
|
w0 = selection[0][0]; |
|
n0 = selection[0][1]; |
|
e0 = selection[1][0]; |
|
s0 = selection[1][1]; |
|
} |
|
|
|
w1 = w0; |
|
n1 = n0; |
|
e1 = e0; |
|
s1 = s0; |
|
|
|
var group = select(that) |
|
.attr("pointer-events", "none"); |
|
|
|
var overlay = group.selectAll(".overlay") |
|
.attr("cursor", cursors[type]); |
|
|
|
if (exports.event.touches) { |
|
group |
|
.on("touchmove.brush", moved, true) |
|
.on("touchend.brush touchcancel.brush", ended, true); |
|
} else { |
|
var view = select(exports.event.view) |
|
.on("keydown.brush", keydowned, true) |
|
.on("keyup.brush", keyupped, true) |
|
.on("mousemove.brush", moved, true) |
|
.on("mouseup.brush", ended, true); |
|
|
|
dragDisable(exports.event.view); |
|
} |
|
|
|
nopropagation$2(); |
|
interrupt(that); |
|
redraw.call(that); |
|
emit.start(); |
|
|
|
function moved() { |
|
var point1 = mouse(that); |
|
if (shifting && !lockX && !lockY) { |
|
if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; |
|
else lockX = true; |
|
} |
|
point = point1; |
|
moving = true; |
|
noevent$2(); |
|
move(); |
|
} |
|
|
|
function move() { |
|
var t; |
|
|
|
dx = point[0] - point0[0]; |
|
dy = point[1] - point0[1]; |
|
|
|
switch (mode) { |
|
case MODE_SPACE: |
|
case MODE_DRAG: { |
|
if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; |
|
if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; |
|
break; |
|
} |
|
case MODE_HANDLE: { |
|
if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; |
|
else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; |
|
if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; |
|
else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; |
|
break; |
|
} |
|
case MODE_CENTER: { |
|
if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); |
|
if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); |
|
break; |
|
} |
|
} |
|
|
|
if (e1 < w1) { |
|
signX *= -1; |
|
t = w0, w0 = e0, e0 = t; |
|
t = w1, w1 = e1, e1 = t; |
|
if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); |
|
} |
|
|
|
if (s1 < n1) { |
|
signY *= -1; |
|
t = n0, n0 = s0, s0 = t; |
|
t = n1, n1 = s1, s1 = t; |
|
if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); |
|
} |
|
|
|
selection = state.selection; // May be set by brush.move! |
|
|
|
if (lockX) w1 = selection[0][0], e1 = selection[1][0]; |
|
if (lockY) n1 = selection[0][1], s1 = selection[1][1]; |
|
|
|
if (selection[0][0] !== w1 |
|
|| selection[0][1] !== n1 |
|
|| selection[1][0] !== e1 |
|
|| selection[1][1] !== s1) { |
|
state.selection = [[w1, n1], [e1, s1]]; |
|
redraw.call(that); |
|
emit.brush(); |
|
} |
|
} |
|
|
|
function ended() { |
|
nopropagation$2(); |
|
if (exports.event.touches) { |
|
if (exports.event.touches.length) return; |
|
if (touchending) clearTimeout(touchending); |
|
touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! |
|
group.on("touchmove.brush touchend.brush touchcancel.brush", null); |
|
} else { |
|
dragEnable(exports.event.view, moving); |
|
view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); |
|
} |
|
group.attr("pointer-events", "all"); |
|
overlay.attr("cursor", cursors.overlay); |
|
if (empty$1(selection)) state.selection = null, redraw.call(that); |
|
emit.end(); |
|
} |
|
|
|
function keydowned() { |
|
switch (exports.event.keyCode) { |
|
case 16: { // SHIFT |
|
shifting = signX && signY; |
|
break; |
|
} |
|
case 18: { // ALT |
|
if (mode === MODE_HANDLE) { |
|
if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; |
|
if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; |
|
mode = MODE_CENTER; |
|
move(); |
|
} |
|
break; |
|
} |
|
case 32: { // SPACE; takes priority over ALT |
|
if (mode === MODE_HANDLE || mode === MODE_CENTER) { |
|
if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; |
|
if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; |
|
mode = MODE_SPACE; |
|
overlay.attr("cursor", cursors.selection); |
|
move(); |
|
} |
|
break; |
|
} |
|
default: return; |
|
} |
|
noevent$2(); |
|
} |
|
|
|
function keyupped() { |
|
switch (exports.event.keyCode) { |
|
case 16: { // SHIFT |
|
if (shifting) { |
|
lockX = lockY = shifting = false; |
|
move(); |
|
} |
|
break; |
|
} |
|
case 18: { // ALT |
|
if (mode === MODE_CENTER) { |
|
if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; |
|
if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; |
|
mode = MODE_HANDLE; |
|
move(); |
|
} |
|
break; |
|
} |
|
case 32: { // SPACE |
|
if (mode === MODE_SPACE) { |
|
if (exports.event.altKey) { |
|
if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; |
|
if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; |
|
mode = MODE_CENTER; |
|
} else { |
|
if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; |
|
if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; |
|
mode = MODE_HANDLE; |
|
} |
|
overlay.attr("cursor", cursors[type]); |
|
move(); |
|
} |
|
break; |
|
} |
|
default: return; |
|
} |
|
noevent$2(); |
|
} |
|
} |
|
|
|
function initialize() { |
|
var state = this.__brush || {selection: null}; |
|
state.extent = extent.apply(this, arguments); |
|
state.dim = dim; |
|
return state; |
|
} |
|
|
|
brush.extent = function(_) { |
|
return arguments.length ? (extent = typeof _ === "function" ? _ : constant$10([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; |
|
}; |
|
|
|
brush.filter = function(_) { |
|
return arguments.length ? (filter = typeof _ === "function" ? _ : constant$10(!!_), brush) : filter; |
|
}; |
|
|
|
brush.handleSize = function(_) { |
|
return arguments.length ? (handleSize = +_, brush) : handleSize; |
|
}; |
|
|
|
brush.on = function() { |
|
var value = listeners.on.apply(listeners, arguments); |
|
return value === listeners ? brush : value; |
|
}; |
|
|
|
return brush; |
|
} |
|
|
|
// Adds floating point numbers with twice the normal precision. |
|
// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and |
|
// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) |
|
// 305–363 (1997). |
|
// Code adapted from GeographicLib by Charles F. F. Karney, |
|
// http://geographiclib.sourceforge.net/ |
|
|
|
function adder() { |
|
return new Adder; |
|
} |
|
|
|
function Adder() { |
|
this.reset(); |
|
} |
|
|
|
Adder.prototype = { |
|
constructor: Adder, |
|
reset: function() { |
|
this.s = // rounded value |
|
this.t = 0; // exact error |
|
}, |
|
add: function(y) { |
|
add$1(temp, y, this.t); |
|
add$1(this, temp.s, this.s); |
|
if (this.s) this.t += temp.t; |
|
else this.s = temp.t; |
|
}, |
|
valueOf: function() { |
|
return this.s; |
|
} |
|
}; |
|
|
|
var temp = new Adder; |
|
|
|
function add$1(adder, a, b) { |
|
var x = adder.s = a + b, |
|
bv = x - a, |
|
av = x - bv; |
|
adder.t = (a - av) + (b - bv); |
|
} |
|
|
|
var epsilon$4 = 1e-6; |
|
var epsilon2$2 = 1e-12; |
|
var pi$3 = Math.PI; |
|
var halfPi$2 = pi$3 / 2; |
|
var quarterPi = pi$3 / 4; |
|
var tau$3 = pi$3 * 2; |
|
|
|
var degrees$1 = 180 / pi$3; |
|
var radians = pi$3 / 180; |
|
|
|
var abs = Math.abs; |
|
var atan = Math.atan; |
|
var atan2 = Math.atan2; |
|
var cos = Math.cos; |
|
var ceil = Math.ceil; |
|
var exp = Math.exp; |
|
var log$1 = Math.log; |
|
var pow$1 = Math.pow; |
|
var sin = Math.sin; |
|
var sign$1 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; |
|
var sqrt$1 = Math.sqrt; |
|
var tan = Math.tan; |
|
|
|
function acos(x) { |
|
return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); |
|
} |
|
|
|
function asin$1(x) { |
|
return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); |
|
} |
|
|
|
function haversin(x) { |
|
return (x = sin(x / 2)) * x; |
|
} |
|
|
|
function noop$2() {} |
|
|
|
function streamGeometry(geometry, stream) { |
|
if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { |
|
streamGeometryType[geometry.type](geometry, stream); |
|
} |
|
} |
|
|
|
var streamObjectType = { |
|
Feature: function(feature, stream) { |
|
streamGeometry(feature.geometry, stream); |
|
}, |
|
FeatureCollection: function(object, stream) { |
|
var features = object.features, i = -1, n = features.length; |
|
while (++i < n) streamGeometry(features[i].geometry, stream); |
|
} |
|
}; |
|
|
|
var streamGeometryType = { |
|
Sphere: function(object, stream) { |
|
stream.sphere(); |
|
}, |
|
Point: function(object, stream) { |
|
object = object.coordinates; |
|
stream.point(object[0], object[1], object[2]); |
|
}, |
|
MultiPoint: function(object, stream) { |
|
var coordinates = object.coordinates, i = -1, n = coordinates.length; |
|
while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); |
|
}, |
|
LineString: function(object, stream) { |
|
streamLine(object.coordinates, stream, 0); |
|
}, |
|
MultiLineString: function(object, stream) { |
|
var coordinates = object.coordinates, i = -1, n = coordinates.length; |
|
while (++i < n) streamLine(coordinates[i], stream, 0); |
|
}, |
|
Polygon: function(object, stream) { |
|
streamPolygon(object.coordinates, stream); |
|
}, |
|
MultiPolygon: function(object, stream) { |
|
var coordinates = object.coordinates, i = -1, n = coordinates.length; |
|
while (++i < n) streamPolygon(coordinates[i], stream); |
|
}, |
|
GeometryCollection: function(object, stream) { |
|
var geometries = object.geometries, i = -1, n = geometries.length; |
|
while (++i < n) streamGeometry(geometries[i], stream); |
|
} |
|
}; |
|
|
|
function streamLine(coordinates, stream, closed) { |
|
var i = -1, n = coordinates.length - closed, coordinate; |
|
stream.lineStart(); |
|
while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); |
|
stream.lineEnd(); |
|
} |
|
|
|
function streamPolygon(coordinates, stream) { |
|
var i = -1, n = coordinates.length; |
|
stream.polygonStart(); |
|
while (++i < n) streamLine(coordinates[i], stream, 1); |
|
stream.polygonEnd(); |
|
} |
|
|
|
function geoStream(object, stream) { |
|
if (object && streamObjectType.hasOwnProperty(object.type)) { |
|
streamObjectType[object.type](object, stream); |
|
} else { |
|
streamGeometry(object, stream); |
|
} |
|
} |
|
|
|
var areaRingSum = adder(); |
|
|
|
var areaSum = adder(); |
|
var lambda00; |
|
var phi00; |
|
var lambda0; |
|
var cosPhi0; |
|
var sinPhi0; |
|
var areaStream = { |
|
point: noop$2, |
|
lineStart: noop$2, |
|
lineEnd: noop$2, |
|
polygonStart: function() { |
|
areaRingSum.reset(); |
|
areaStream.lineStart = areaRingStart; |
|
areaStream.lineEnd = areaRingEnd; |
|
}, |
|
polygonEnd: function() { |
|
var areaRing = +areaRingSum; |
|
areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); |
|
this.lineStart = this.lineEnd = this.point = noop$2; |
|
}, |
|
sphere: function() { |
|
areaSum.add(tau$3); |
|
} |
|
}; |
|
|
|
function areaRingStart() { |
|
areaStream.point = areaPointFirst; |
|
} |
|
|
|
function areaRingEnd() { |
|
areaPoint(lambda00, phi00); |
|
} |
|
|
|
function areaPointFirst(lambda, phi) { |
|
areaStream.point = areaPoint; |
|
lambda00 = lambda, phi00 = phi; |
|
lambda *= radians, phi *= radians; |
|
lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi); |
|
} |
|
|
|
function areaPoint(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
phi = phi / 2 + quarterPi; // half the angular distance from south pole |
|
|
|
// Spherical excess E for a spherical triangle with vertices: south pole, |
|
// previous point, current point. Uses a formula derived from Cagnoli’s |
|
// theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). |
|
var dLambda = lambda - lambda0, |
|
sdLambda = dLambda >= 0 ? 1 : -1, |
|
adLambda = sdLambda * dLambda, |
|
cosPhi = cos(phi), |
|
sinPhi = sin(phi), |
|
k = sinPhi0 * sinPhi, |
|
u = cosPhi0 * cosPhi + k * cos(adLambda), |
|
v = k * sdLambda * sin(adLambda); |
|
areaRingSum.add(atan2(v, u)); |
|
|
|
// Advance the previous points. |
|
lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; |
|
} |
|
|
|
function area$2(object) { |
|
areaSum.reset(); |
|
geoStream(object, areaStream); |
|
return areaSum * 2; |
|
} |
|
|
|
function spherical(cartesian) { |
|
return [atan2(cartesian[1], cartesian[0]), asin$1(cartesian[2])]; |
|
} |
|
|
|
function cartesian(spherical) { |
|
var lambda = spherical[0], phi = spherical[1], cosPhi = cos(phi); |
|
return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)]; |
|
} |
|
|
|
function cartesianDot(a, b) { |
|
return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; |
|
} |
|
|
|
function 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]]; |
|
} |
|
|
|
// TODO return a |
|
function cartesianAddInPlace(a, b) { |
|
a[0] += b[0], a[1] += b[1], a[2] += b[2]; |
|
} |
|
|
|
function cartesianScale(vector, k) { |
|
return [vector[0] * k, vector[1] * k, vector[2] * k]; |
|
} |
|
|
|
// TODO return d |
|
function cartesianNormalizeInPlace(d) { |
|
var l = sqrt$1(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); |
|
d[0] /= l, d[1] /= l, d[2] /= l; |
|
} |
|
|
|
var lambda0$1; |
|
var phi0; |
|
var lambda1; |
|
var phi1; |
|
var lambda2; |
|
var lambda00$1; |
|
var phi00$1; |
|
var p0; |
|
var deltaSum = adder(); |
|
var ranges; |
|
var range$1; |
|
var boundsStream = { |
|
point: boundsPoint, |
|
lineStart: boundsLineStart, |
|
lineEnd: boundsLineEnd, |
|
polygonStart: function() { |
|
boundsStream.point = boundsRingPoint; |
|
boundsStream.lineStart = boundsRingStart; |
|
boundsStream.lineEnd = boundsRingEnd; |
|
deltaSum.reset(); |
|
areaStream.polygonStart(); |
|
}, |
|
polygonEnd: function() { |
|
areaStream.polygonEnd(); |
|
boundsStream.point = boundsPoint; |
|
boundsStream.lineStart = boundsLineStart; |
|
boundsStream.lineEnd = boundsLineEnd; |
|
if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); |
|
else if (deltaSum > epsilon$4) phi1 = 90; |
|
else if (deltaSum < -epsilon$4) phi0 = -90; |
|
range$1[0] = lambda0$1, range$1[1] = lambda1; |
|
} |
|
}; |
|
|
|
function boundsPoint(lambda, phi) { |
|
ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]); |
|
if (phi < phi0) phi0 = phi; |
|
if (phi > phi1) phi1 = phi; |
|
} |
|
|
|
function linePoint(lambda, phi) { |
|
var p = cartesian([lambda * radians, phi * radians]); |
|
if (p0) { |
|
var normal = cartesianCross(p0, p), |
|
equatorial = [normal[1], -normal[0], 0], |
|
inflection = cartesianCross(equatorial, normal); |
|
cartesianNormalizeInPlace(inflection); |
|
inflection = spherical(inflection); |
|
var delta = lambda - lambda2, |
|
sign = delta > 0 ? 1 : -1, |
|
lambdai = inflection[0] * degrees$1 * sign, |
|
phii, |
|
antimeridian = abs(delta) > 180; |
|
if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { |
|
phii = inflection[1] * degrees$1; |
|
if (phii > phi1) phi1 = phii; |
|
} else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) { |
|
phii = -inflection[1] * degrees$1; |
|
if (phii < phi0) phi0 = phii; |
|
} else { |
|
if (phi < phi0) phi0 = phi; |
|
if (phi > phi1) phi1 = phi; |
|
} |
|
if (antimeridian) { |
|
if (lambda < lambda2) { |
|
if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; |
|
} else { |
|
if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; |
|
} |
|
} else { |
|
if (lambda1 >= lambda0$1) { |
|
if (lambda < lambda0$1) lambda0$1 = lambda; |
|
if (lambda > lambda1) lambda1 = lambda; |
|
} else { |
|
if (lambda > lambda2) { |
|
if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; |
|
} else { |
|
if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; |
|
} |
|
} |
|
} |
|
} else { |
|
boundsPoint(lambda, phi); |
|
} |
|
p0 = p, lambda2 = lambda; |
|
} |
|
|
|
function boundsLineStart() { |
|
boundsStream.point = linePoint; |
|
} |
|
|
|
function boundsLineEnd() { |
|
range$1[0] = lambda0$1, range$1[1] = lambda1; |
|
boundsStream.point = boundsPoint; |
|
p0 = null; |
|
} |
|
|
|
function boundsRingPoint(lambda, phi) { |
|
if (p0) { |
|
var delta = lambda - lambda2; |
|
deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); |
|
} else { |
|
lambda00$1 = lambda, phi00$1 = phi; |
|
} |
|
areaStream.point(lambda, phi); |
|
linePoint(lambda, phi); |
|
} |
|
|
|
function boundsRingStart() { |
|
areaStream.lineStart(); |
|
} |
|
|
|
function boundsRingEnd() { |
|
boundsRingPoint(lambda00$1, phi00$1); |
|
areaStream.lineEnd(); |
|
if (abs(deltaSum) > epsilon$4) lambda0$1 = -(lambda1 = 180); |
|
range$1[0] = lambda0$1, range$1[1] = lambda1; |
|
p0 = null; |
|
} |
|
|
|
// Finds the left-right distance between two longitudes. |
|
// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want |
|
// the distance between ±180° to be 360°. |
|
function angle(lambda0, lambda1) { |
|
return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; |
|
} |
|
|
|
function rangeCompare(a, b) { |
|
return a[0] - b[0]; |
|
} |
|
|
|
function rangeContains(range, x) { |
|
return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; |
|
} |
|
|
|
function bounds(feature) { |
|
var i, n, a, b, merged, deltaMax, delta; |
|
|
|
phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); |
|
ranges = []; |
|
geoStream(feature, boundsStream); |
|
|
|
// First, sort ranges by their minimum longitudes. |
|
if (n = ranges.length) { |
|
ranges.sort(rangeCompare); |
|
|
|
// Then, merge any ranges that overlap. |
|
for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { |
|
b = ranges[i]; |
|
if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { |
|
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); |
|
} |
|
} |
|
|
|
// Finally, find the largest gap between the merged ranges. |
|
// The final bounding box will be the inverse of this gap. |
|
for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { |
|
b = merged[i]; |
|
if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; |
|
} |
|
} |
|
|
|
ranges = range$1 = null; |
|
|
|
return lambda0$1 === Infinity || phi0 === Infinity |
|
? [[NaN, NaN], [NaN, NaN]] |
|
: [[lambda0$1, phi0], [lambda1, phi1]]; |
|
} |
|
|
|
var W0; |
|
var W1; |
|
var X0; |
|
var Y0; |
|
var Z0; |
|
var X1; |
|
var Y1; |
|
var Z1; |
|
var X2; |
|
var Y2; |
|
var Z2; |
|
var lambda00$2; |
|
var phi00$2; |
|
var x0; |
|
var y0; |
|
var z0; |
|
// previous point |
|
|
|
var centroidStream = { |
|
sphere: noop$2, |
|
point: centroidPoint, |
|
lineStart: centroidLineStart, |
|
lineEnd: centroidLineEnd, |
|
polygonStart: function() { |
|
centroidStream.lineStart = centroidRingStart; |
|
centroidStream.lineEnd = centroidRingEnd; |
|
}, |
|
polygonEnd: function() { |
|
centroidStream.lineStart = centroidLineStart; |
|
centroidStream.lineEnd = centroidLineEnd; |
|
} |
|
}; |
|
|
|
// Arithmetic mean of Cartesian vectors. |
|
function centroidPoint(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
var cosPhi = cos(phi); |
|
centroidPointCartesian(cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)); |
|
} |
|
|
|
function centroidPointCartesian(x, y, z) { |
|
++W0; |
|
X0 += (x - X0) / W0; |
|
Y0 += (y - Y0) / W0; |
|
Z0 += (z - Z0) / W0; |
|
} |
|
|
|
function centroidLineStart() { |
|
centroidStream.point = centroidLinePointFirst; |
|
} |
|
|
|
function centroidLinePointFirst(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
var cosPhi = cos(phi); |
|
x0 = cosPhi * cos(lambda); |
|
y0 = cosPhi * sin(lambda); |
|
z0 = sin(phi); |
|
centroidStream.point = centroidLinePoint; |
|
centroidPointCartesian(x0, y0, z0); |
|
} |
|
|
|
function centroidLinePoint(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
var cosPhi = cos(phi), |
|
x = cosPhi * cos(lambda), |
|
y = cosPhi * sin(lambda), |
|
z = sin(phi), |
|
w = atan2(sqrt$1((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z); |
|
W1 += w; |
|
X1 += w * (x0 + (x0 = x)); |
|
Y1 += w * (y0 + (y0 = y)); |
|
Z1 += w * (z0 + (z0 = z)); |
|
centroidPointCartesian(x0, y0, z0); |
|
} |
|
|
|
function centroidLineEnd() { |
|
centroidStream.point = centroidPoint; |
|
} |
|
|
|
// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, |
|
// J. Applied Mechanics 42, 239 (1975). |
|
function centroidRingStart() { |
|
centroidStream.point = centroidRingPointFirst; |
|
} |
|
|
|
function centroidRingEnd() { |
|
centroidRingPoint(lambda00$2, phi00$2); |
|
centroidStream.point = centroidPoint; |
|
} |
|
|
|
function centroidRingPointFirst(lambda, phi) { |
|
lambda00$2 = lambda, phi00$2 = phi; |
|
lambda *= radians, phi *= radians; |
|
centroidStream.point = centroidRingPoint; |
|
var cosPhi = cos(phi); |
|
x0 = cosPhi * cos(lambda); |
|
y0 = cosPhi * sin(lambda); |
|
z0 = sin(phi); |
|
centroidPointCartesian(x0, y0, z0); |
|
} |
|
|
|
function centroidRingPoint(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
var cosPhi = cos(phi), |
|
x = cosPhi * cos(lambda), |
|
y = cosPhi * sin(lambda), |
|
z = sin(phi), |
|
cx = y0 * z - z0 * y, |
|
cy = z0 * x - x0 * z, |
|
cz = x0 * y - y0 * x, |
|
m = sqrt$1(cx * cx + cy * cy + cz * cz), |
|
u = x0 * x + y0 * y + z0 * z, |
|
v = m && -acos(u) / m, // area weight |
|
w = atan2(m, u); // line weight |
|
X2 += v * cx; |
|
Y2 += v * cy; |
|
Z2 += v * cz; |
|
W1 += w; |
|
X1 += w * (x0 + (x0 = x)); |
|
Y1 += w * (y0 + (y0 = y)); |
|
Z1 += w * (z0 + (z0 = z)); |
|
centroidPointCartesian(x0, y0, z0); |
|
} |
|
|
|
function centroid$1(object) { |
|
W0 = W1 = |
|
X0 = Y0 = Z0 = |
|
X1 = Y1 = Z1 = |
|
X2 = Y2 = Z2 = 0; |
|
geoStream(object, centroidStream); |
|
|
|
var x = X2, |
|
y = Y2, |
|
z = Z2, |
|
m = x * x + y * y + z * z; |
|
|
|
// If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. |
|
if (m < epsilon2$2) { |
|
x = X1, y = Y1, z = Z1; |
|
// If the feature has zero length, fall back to arithmetic mean of point vectors. |
|
if (W1 < epsilon$4) x = X0, y = Y0, z = Z0; |
|
m = x * x + y * y + z * z; |
|
// If the feature still has an undefined ccentroid, then return. |
|
if (m < epsilon2$2) return [NaN, NaN]; |
|
} |
|
|
|
return [atan2(y, x) * degrees$1, asin$1(z / sqrt$1(m)) * degrees$1]; |
|
} |
|
|
|
function constant$11(x) { |
|
return function() { |
|
return x; |
|
}; |
|
} |
|
|
|
function 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 rotationIdentity(lambda, phi) { |
|
return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; |
|
} |
|
|
|
rotationIdentity.invert = rotationIdentity; |
|
|
|
function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { |
|
return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) |
|
: rotationLambda(deltaLambda)) |
|
: (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) |
|
: rotationIdentity); |
|
} |
|
|
|
function forwardRotationLambda(deltaLambda) { |
|
return function(lambda, phi) { |
|
return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; |
|
}; |
|
} |
|
|
|
function rotationLambda(deltaLambda) { |
|
var rotation = forwardRotationLambda(deltaLambda); |
|
rotation.invert = forwardRotationLambda(-deltaLambda); |
|
return rotation; |
|
} |
|
|
|
function rotationPhiGamma(deltaPhi, deltaGamma) { |
|
var cosDeltaPhi = cos(deltaPhi), |
|
sinDeltaPhi = sin(deltaPhi), |
|
cosDeltaGamma = cos(deltaGamma), |
|
sinDeltaGamma = sin(deltaGamma); |
|
|
|
function rotation(lambda, phi) { |
|
var cosPhi = cos(phi), |
|
x = cos(lambda) * cosPhi, |
|
y = sin(lambda) * cosPhi, |
|
z = sin(phi), |
|
k = z * cosDeltaPhi + x * sinDeltaPhi; |
|
return [ |
|
atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), |
|
asin$1(k * cosDeltaGamma + y * sinDeltaGamma) |
|
]; |
|
} |
|
|
|
rotation.invert = function(lambda, phi) { |
|
var cosPhi = cos(phi), |
|
x = cos(lambda) * cosPhi, |
|
y = sin(lambda) * cosPhi, |
|
z = sin(phi), |
|
k = z * cosDeltaGamma - y * sinDeltaGamma; |
|
return [ |
|
atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), |
|
asin$1(k * cosDeltaPhi - x * sinDeltaPhi) |
|
]; |
|
}; |
|
|
|
return rotation; |
|
} |
|
|
|
function rotation(rotate) { |
|
rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); |
|
|
|
function forward(coordinates) { |
|
coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); |
|
return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; |
|
} |
|
|
|
forward.invert = function(coordinates) { |
|
coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); |
|
return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; |
|
}; |
|
|
|
return forward; |
|
} |
|
|
|
// Generates a circle centered at [0°, 0°], with a given radius and precision. |
|
function circleStream(stream, radius, delta, direction, t0, t1) { |
|
if (!delta) return; |
|
var cosRadius = cos(radius), |
|
sinRadius = sin(radius), |
|
step = direction * delta; |
|
if (t0 == null) { |
|
t0 = radius + direction * tau$3; |
|
t1 = radius - step / 2; |
|
} else { |
|
t0 = circleRadius(cosRadius, t0); |
|
t1 = circleRadius(cosRadius, t1); |
|
if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; |
|
} |
|
for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { |
|
point = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]); |
|
stream.point(point[0], point[1]); |
|
} |
|
} |
|
|
|
// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. |
|
function circleRadius(cosRadius, point) { |
|
point = cartesian(point), point[0] -= cosRadius; |
|
cartesianNormalizeInPlace(point); |
|
var radius = acos(-point[1]); |
|
return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$4) % tau$3; |
|
} |
|
|
|
function circle$1() { |
|
var center = constant$11([0, 0]), |
|
radius = constant$11(90), |
|
precision = constant$11(6), |
|
ring, |
|
rotate, |
|
stream = {point: point}; |
|
|
|
function point(x, y) { |
|
ring.push(x = rotate(x, y)); |
|
x[0] *= degrees$1, x[1] *= degrees$1; |
|
} |
|
|
|
function circle() { |
|
var c = center.apply(this, arguments), |
|
r = radius.apply(this, arguments) * radians, |
|
p = precision.apply(this, arguments) * radians; |
|
ring = []; |
|
rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; |
|
circleStream(stream, r, p, 1); |
|
c = {type: "Polygon", coordinates: [ring]}; |
|
ring = rotate = null; |
|
return c; |
|
} |
|
|
|
circle.center = function(_) { |
|
return arguments.length ? (center = typeof _ === "function" ? _ : constant$11([+_[0], +_[1]]), circle) : center; |
|
}; |
|
|
|
circle.radius = function(_) { |
|
return arguments.length ? (radius = typeof _ === "function" ? _ : constant$11(+_), circle) : radius; |
|
}; |
|
|
|
circle.precision = function(_) { |
|
return arguments.length ? (precision = typeof _ === "function" ? _ : constant$11(+_), circle) : precision; |
|
}; |
|
|
|
return circle; |
|
} |
|
|
|
function clipBuffer() { |
|
var lines = [], |
|
line; |
|
return { |
|
point: function(x, y) { |
|
line.push([x, y]); |
|
}, |
|
lineStart: function() { |
|
lines.push(line = []); |
|
}, |
|
lineEnd: noop$2, |
|
rejoin: function() { |
|
if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); |
|
}, |
|
result: function() { |
|
var result = lines; |
|
lines = []; |
|
line = null; |
|
return result; |
|
} |
|
}; |
|
} |
|
|
|
function clipLine(a, b, x0, y0, x1, y1) { |
|
var ax = a[0], |
|
ay = a[1], |
|
bx = b[0], |
|
by = b[1], |
|
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) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; |
|
if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; |
|
return true; |
|
} |
|
|
|
function pointEqual(a, b) { |
|
return abs(a[0] - b[0]) < epsilon$4 && abs(a[1] - b[1]) < epsilon$4; |
|
} |
|
|
|
function Intersection(point, points, other, entry) { |
|
this.x = point; |
|
this.z = points; |
|
this.o = other; // another intersection |
|
this.e = entry; // is an entry? |
|
this.v = false; // visited |
|
this.n = this.p = null; // next & previous |
|
} |
|
|
|
// A generalized polygon clipping algorithm: given a polygon that has been cut |
|
// into its visible line segments, and rejoins the segments by interpolating |
|
// along the clip edge. |
|
function clipPolygon(segments, compareIntersection, startInside, interpolate, stream) { |
|
var subject = [], |
|
clip = [], |
|
i, |
|
n; |
|
|
|
segments.forEach(function(segment) { |
|
if ((n = segment.length - 1) <= 0) return; |
|
var n, p0 = segment[0], p1 = segment[n], x; |
|
|
|
// If the first and last points of a segment are coincident, then treat as a |
|
// closed ring. TODO if all rings are closed, then the winding order of the |
|
// exterior ring should be checked. |
|
if (pointEqual(p0, p1)) { |
|
stream.lineStart(); |
|
for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); |
|
stream.lineEnd(); |
|
return; |
|
} |
|
|
|
subject.push(x = new Intersection(p0, segment, null, true)); |
|
clip.push(x.o = new Intersection(p0, null, x, false)); |
|
subject.push(x = new Intersection(p1, segment, null, false)); |
|
clip.push(x.o = new Intersection(p1, null, x, true)); |
|
}); |
|
|
|
if (!subject.length) return; |
|
|
|
clip.sort(compareIntersection); |
|
link$1(subject); |
|
link$1(clip); |
|
|
|
for (i = 0, n = clip.length; i < n; ++i) { |
|
clip[i].e = startInside = !startInside; |
|
} |
|
|
|
var start = subject[0], |
|
points, |
|
point; |
|
|
|
while (1) { |
|
// Find first unvisited intersection. |
|
var current = start, |
|
isSubject = true; |
|
while (current.v) if ((current = current.n) === start) return; |
|
points = current.z; |
|
stream.lineStart(); |
|
do { |
|
current.v = current.o.v = true; |
|
if (current.e) { |
|
if (isSubject) { |
|
for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); |
|
} else { |
|
interpolate(current.x, current.n.x, 1, stream); |
|
} |
|
current = current.n; |
|
} else { |
|
if (isSubject) { |
|
points = current.p.z; |
|
for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); |
|
} else { |
|
interpolate(current.x, current.p.x, -1, stream); |
|
} |
|
current = current.p; |
|
} |
|
current = current.o; |
|
points = current.z; |
|
isSubject = !isSubject; |
|
} while (!current.v); |
|
stream.lineEnd(); |
|
} |
|
} |
|
|
|
function link$1(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; |
|
} |
|
|
|
var clipMax = 1e9; |
|
var clipMin = -clipMax; |
|
// TODO Use d3-polygon’s polygonContains here for the ring check? |
|
// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? |
|
|
|
function clipExtent(x0, y0, x1, y1) { |
|
|
|
function visible(x, y) { |
|
return x0 <= x && x <= x1 && y0 <= y && y <= y1; |
|
} |
|
|
|
function interpolate(from, to, direction, stream) { |
|
var a = 0, a1 = 0; |
|
if (from == null |
|
|| (a = corner(from, direction)) !== (a1 = corner(to, direction)) |
|
|| comparePoint(from, to) < 0 ^ direction > 0) { |
|
do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); |
|
while ((a = (a + direction + 4) % 4) !== a1); |
|
} else { |
|
stream.point(to[0], to[1]); |
|
} |
|
} |
|
|
|
function corner(p, direction) { |
|
return abs(p[0] - x0) < epsilon$4 ? direction > 0 ? 0 : 3 |
|
: abs(p[0] - x1) < epsilon$4 ? direction > 0 ? 2 : 1 |
|
: abs(p[1] - y0) < epsilon$4 ? direction > 0 ? 1 : 0 |
|
: direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon |
|
} |
|
|
|
function compareIntersection(a, b) { |
|
return comparePoint(a.x, b.x); |
|
} |
|
|
|
function comparePoint(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]; |
|
} |
|
|
|
return function(stream) { |
|
var activeStream = stream, |
|
bufferStream = clipBuffer(), |
|
segments, |
|
polygon, |
|
ring, |
|
x__, y__, v__, // first point |
|
x_, y_, v_, // previous point |
|
first, |
|
clean; |
|
|
|
var clipStream = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: polygonStart, |
|
polygonEnd: polygonEnd |
|
}; |
|
|
|
function point(x, y) { |
|
if (visible(x, y)) activeStream.point(x, y); |
|
} |
|
|
|
function polygonInside() { |
|
var winding = 0; |
|
|
|
for (var i = 0, n = polygon.length; i < n; ++i) { |
|
for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { |
|
a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; |
|
if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } |
|
else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } |
|
} |
|
} |
|
|
|
return winding; |
|
} |
|
|
|
// Buffer geometry within a polygon and then clip it en masse. |
|
function polygonStart() { |
|
activeStream = bufferStream, segments = [], polygon = [], clean = true; |
|
} |
|
|
|
function polygonEnd() { |
|
var startInside = polygonInside(), |
|
cleanInside = clean && startInside, |
|
visible = (segments = merge(segments)).length; |
|
if (cleanInside || visible) { |
|
stream.polygonStart(); |
|
if (cleanInside) { |
|
stream.lineStart(); |
|
interpolate(null, null, 1, stream); |
|
stream.lineEnd(); |
|
} |
|
if (visible) { |
|
clipPolygon(segments, compareIntersection, startInside, interpolate, stream); |
|
} |
|
stream.polygonEnd(); |
|
} |
|
activeStream = stream, segments = polygon = ring = null; |
|
} |
|
|
|
function lineStart() { |
|
clipStream.point = linePoint; |
|
if (polygon) polygon.push(ring = []); |
|
first = true; |
|
v_ = false; |
|
x_ = y_ = NaN; |
|
} |
|
|
|
// TODO rather than special-case polygons, simply handle them separately. |
|
// Ideally, coincident intersection points should be jittered to avoid |
|
// clipping issues. |
|
function lineEnd() { |
|
if (segments) { |
|
linePoint(x__, y__); |
|
if (v__ && v_) bufferStream.rejoin(); |
|
segments.push(bufferStream.result()); |
|
} |
|
clipStream.point = point; |
|
if (v_) activeStream.lineEnd(); |
|
} |
|
|
|
function linePoint(x, y) { |
|
var v = visible(x, y); |
|
if (polygon) ring.push([x, y]); |
|
if (first) { |
|
x__ = x, y__ = y, v__ = v; |
|
first = false; |
|
if (v) { |
|
activeStream.lineStart(); |
|
activeStream.point(x, y); |
|
} |
|
} else { |
|
if (v && v_) activeStream.point(x, y); |
|
else { |
|
var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], |
|
b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; |
|
if (clipLine(a, b, x0, y0, x1, y1)) { |
|
if (!v_) { |
|
activeStream.lineStart(); |
|
activeStream.point(a[0], a[1]); |
|
} |
|
activeStream.point(b[0], b[1]); |
|
if (!v) activeStream.lineEnd(); |
|
clean = false; |
|
} else if (v) { |
|
activeStream.lineStart(); |
|
activeStream.point(x, y); |
|
clean = false; |
|
} |
|
} |
|
} |
|
x_ = x, y_ = y, v_ = v; |
|
} |
|
|
|
return clipStream; |
|
}; |
|
} |
|
|
|
function extent$1() { |
|
var x0 = 0, |
|
y0 = 0, |
|
x1 = 960, |
|
y1 = 500, |
|
cache, |
|
cacheStream, |
|
clip; |
|
|
|
return clip = { |
|
stream: function(stream) { |
|
return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream); |
|
}, |
|
extent: function(_) { |
|
return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; |
|
} |
|
}; |
|
} |
|
|
|
var lengthSum = adder(); |
|
var lambda0$2; |
|
var sinPhi0$1; |
|
var cosPhi0$1; |
|
var lengthStream = { |
|
sphere: noop$2, |
|
point: noop$2, |
|
lineStart: lengthLineStart, |
|
lineEnd: noop$2, |
|
polygonStart: noop$2, |
|
polygonEnd: noop$2 |
|
}; |
|
|
|
function lengthLineStart() { |
|
lengthStream.point = lengthPointFirst; |
|
lengthStream.lineEnd = lengthLineEnd; |
|
} |
|
|
|
function lengthLineEnd() { |
|
lengthStream.point = lengthStream.lineEnd = noop$2; |
|
} |
|
|
|
function lengthPointFirst(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
lambda0$2 = lambda, sinPhi0$1 = sin(phi), cosPhi0$1 = cos(phi); |
|
lengthStream.point = lengthPoint; |
|
} |
|
|
|
function lengthPoint(lambda, phi) { |
|
lambda *= radians, phi *= radians; |
|
var sinPhi = sin(phi), |
|
cosPhi = cos(phi), |
|
delta = abs(lambda - lambda0$2), |
|
cosDelta = cos(delta), |
|
sinDelta = sin(delta), |
|
x = cosPhi * sinDelta, |
|
y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, |
|
z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; |
|
lengthSum.add(atan2(sqrt$1(x * x + y * y), z)); |
|
lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; |
|
} |
|
|
|
function length$2(object) { |
|
lengthSum.reset(); |
|
geoStream(object, lengthStream); |
|
return +lengthSum; |
|
} |
|
|
|
var coordinates = [null, null]; |
|
var object$1 = {type: "LineString", coordinates: coordinates}; |
|
function distance(a, b) { |
|
coordinates[0] = a; |
|
coordinates[1] = b; |
|
return length$2(object$1); |
|
} |
|
|
|
function graticuleX(y0, y1, dy) { |
|
var y = range(y0, y1 - epsilon$4, dy).concat(y1); |
|
return function(x) { return y.map(function(y) { return [x, y]; }); }; |
|
} |
|
|
|
function graticuleY(x0, x1, dx) { |
|
var x = range(x0, x1 - epsilon$4, dx).concat(x1); |
|
return function(y) { return x.map(function(x) { return [x, y]; }); }; |
|
} |
|
|
|
function graticule() { |
|
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 range(ceil(X0 / DX) * DX, X1, DX).map(X) |
|
.concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) |
|
.concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$4; }).map(x)) |
|
.concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$4; }).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.extentMinor(); |
|
return graticule.extentMajor(_).extentMinor(_); |
|
}; |
|
|
|
graticule.extentMajor = 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.extentMinor = 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.stepMinor(); |
|
return graticule.stepMajor(_).stepMinor(_); |
|
}; |
|
|
|
graticule.stepMajor = function(_) { |
|
if (!arguments.length) return [DX, DY]; |
|
DX = +_[0], DY = +_[1]; |
|
return graticule; |
|
}; |
|
|
|
graticule.stepMinor = function(_) { |
|
if (!arguments.length) return [dx, dy]; |
|
dx = +_[0], dy = +_[1]; |
|
return graticule; |
|
}; |
|
|
|
graticule.precision = function(_) { |
|
if (!arguments.length) return precision; |
|
precision = +_; |
|
x = graticuleX(y0, y1, 90); |
|
y = graticuleY(x0, x1, precision); |
|
X = graticuleX(Y0, Y1, 90); |
|
Y = graticuleY(X0, X1, precision); |
|
return graticule; |
|
}; |
|
|
|
return graticule |
|
.extentMajor([[-180, -90 + epsilon$4], [180, 90 - epsilon$4]]) |
|
.extentMinor([[-180, -80 - epsilon$4], [180, 80 + epsilon$4]]); |
|
} |
|
|
|
function interpolate$2(a, b) { |
|
var x0 = a[0] * radians, |
|
y0 = a[1] * radians, |
|
x1 = b[0] * radians, |
|
y1 = b[1] * radians, |
|
cy0 = cos(y0), |
|
sy0 = sin(y0), |
|
cy1 = cos(y1), |
|
sy1 = sin(y1), |
|
kx0 = cy0 * cos(x0), |
|
ky0 = cy0 * sin(x0), |
|
kx1 = cy1 * cos(x1), |
|
ky1 = cy1 * sin(x1), |
|
d = 2 * asin$1(sqrt$1(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), |
|
k = sin(d); |
|
|
|
var interpolate = d ? function(t) { |
|
var B = sin(t *= d) / k, |
|
A = sin(d - t) / k, |
|
x = A * kx0 + B * kx1, |
|
y = A * ky0 + B * ky1, |
|
z = A * sy0 + B * sy1; |
|
return [ |
|
atan2(y, x) * degrees$1, |
|
atan2(z, sqrt$1(x * x + y * y)) * degrees$1 |
|
]; |
|
} : function() { |
|
return [x0 * degrees$1, y0 * degrees$1]; |
|
}; |
|
|
|
interpolate.distance = d; |
|
|
|
return interpolate; |
|
} |
|
|
|
function identity$7(x) { |
|
return x; |
|
} |
|
|
|
var areaSum$1 = adder(); |
|
var areaRingSum$1 = adder(); |
|
var x00; |
|
var y00; |
|
var x0$1; |
|
var y0$1; |
|
var areaStream$1 = { |
|
point: noop$2, |
|
lineStart: noop$2, |
|
lineEnd: noop$2, |
|
polygonStart: function() { |
|
areaStream$1.lineStart = areaRingStart$1; |
|
areaStream$1.lineEnd = areaRingEnd$1; |
|
}, |
|
polygonEnd: function() { |
|
areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2; |
|
areaSum$1.add(abs(areaRingSum$1)); |
|
areaRingSum$1.reset(); |
|
}, |
|
result: function() { |
|
var area = areaSum$1 / 2; |
|
areaSum$1.reset(); |
|
return area; |
|
} |
|
}; |
|
|
|
function areaRingStart$1() { |
|
areaStream$1.point = areaPointFirst$1; |
|
} |
|
|
|
function areaPointFirst$1(x, y) { |
|
areaStream$1.point = areaPoint$1; |
|
x00 = x0$1 = x, y00 = y0$1 = y; |
|
} |
|
|
|
function areaPoint$1(x, y) { |
|
areaRingSum$1.add(y0$1 * x - x0$1 * y); |
|
x0$1 = x, y0$1 = y; |
|
} |
|
|
|
function areaRingEnd$1() { |
|
areaPoint$1(x00, y00); |
|
} |
|
|
|
var x0$2 = Infinity; |
|
var y0$2 = x0$2; |
|
var x1 = -x0$2; |
|
var y1 = x1; |
|
var boundsStream$1 = { |
|
point: boundsPoint$1, |
|
lineStart: noop$2, |
|
lineEnd: noop$2, |
|
polygonStart: noop$2, |
|
polygonEnd: noop$2, |
|
result: function() { |
|
var bounds = [[x0$2, y0$2], [x1, y1]]; |
|
x1 = y1 = -(y0$2 = x0$2 = Infinity); |
|
return bounds; |
|
} |
|
}; |
|
|
|
function boundsPoint$1(x, y) { |
|
if (x < x0$2) x0$2 = x; |
|
if (x > x1) x1 = x; |
|
if (y < y0$2) y0$2 = y; |
|
if (y > y1) y1 = y; |
|
} |
|
|
|
var X0$1 = 0; |
|
var Y0$1 = 0; |
|
var Z0$1 = 0; |
|
var X1$1 = 0; |
|
var Y1$1 = 0; |
|
var Z1$1 = 0; |
|
var X2$1 = 0; |
|
var Y2$1 = 0; |
|
var Z2$1 = 0; |
|
var x00$1; |
|
var y00$1; |
|
var x0$3; |
|
var y0$3; |
|
var centroidStream$1 = { |
|
point: centroidPoint$1, |
|
lineStart: centroidLineStart$1, |
|
lineEnd: centroidLineEnd$1, |
|
polygonStart: function() { |
|
centroidStream$1.lineStart = centroidRingStart$1; |
|
centroidStream$1.lineEnd = centroidRingEnd$1; |
|
}, |
|
polygonEnd: function() { |
|
centroidStream$1.point = centroidPoint$1; |
|
centroidStream$1.lineStart = centroidLineStart$1; |
|
centroidStream$1.lineEnd = centroidLineEnd$1; |
|
}, |
|
result: function() { |
|
var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] |
|
: Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] |
|
: Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] |
|
: [NaN, NaN]; |
|
X0$1 = Y0$1 = Z0$1 = |
|
X1$1 = Y1$1 = Z1$1 = |
|
X2$1 = Y2$1 = Z2$1 = 0; |
|
return centroid; |
|
} |
|
}; |
|
|
|
function centroidPoint$1(x, y) { |
|
X0$1 += x; |
|
Y0$1 += y; |
|
++Z0$1; |
|
} |
|
|
|
function centroidLineStart$1() { |
|
centroidStream$1.point = centroidPointFirstLine; |
|
} |
|
|
|
function centroidPointFirstLine(x, y) { |
|
centroidStream$1.point = centroidPointLine; |
|
centroidPoint$1(x0$3 = x, y0$3 = y); |
|
} |
|
|
|
function centroidPointLine(x, y) { |
|
var dx = x - x0$3, dy = y - y0$3, z = sqrt$1(dx * dx + dy * dy); |
|
X1$1 += z * (x0$3 + x) / 2; |
|
Y1$1 += z * (y0$3 + y) / 2; |
|
Z1$1 += z; |
|
centroidPoint$1(x0$3 = x, y0$3 = y); |
|
} |
|
|
|
function centroidLineEnd$1() { |
|
centroidStream$1.point = centroidPoint$1; |
|
} |
|
|
|
function centroidRingStart$1() { |
|
centroidStream$1.point = centroidPointFirstRing; |
|
} |
|
|
|
function centroidRingEnd$1() { |
|
centroidPointRing(x00$1, y00$1); |
|
} |
|
|
|
function centroidPointFirstRing(x, y) { |
|
centroidStream$1.point = centroidPointRing; |
|
centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); |
|
} |
|
|
|
function centroidPointRing(x, y) { |
|
var dx = x - x0$3, |
|
dy = y - y0$3, |
|
z = sqrt$1(dx * dx + dy * dy); |
|
|
|
X1$1 += z * (x0$3 + x) / 2; |
|
Y1$1 += z * (y0$3 + y) / 2; |
|
Z1$1 += z; |
|
|
|
z = y0$3 * x - x0$3 * y; |
|
X2$1 += z * (x0$3 + x); |
|
Y2$1 += z * (y0$3 + y); |
|
Z2$1 += z * 3; |
|
centroidPoint$1(x0$3 = x, y0$3 = y); |
|
} |
|
|
|
function PathContext(context) { |
|
var pointRadius = 4.5; |
|
|
|
var stream = { |
|
point: point, |
|
|
|
// While inside a line, override point to moveTo then lineTo. |
|
lineStart: function() { stream.point = pointLineStart; }, |
|
lineEnd: lineEnd, |
|
|
|
// While inside a polygon, override lineEnd to closePath. |
|
polygonStart: function() { stream.lineEnd = lineEndPolygon; }, |
|
polygonEnd: function() { stream.lineEnd = lineEnd; stream.point = point; }, |
|
|
|
pointRadius: function(_) { |
|
pointRadius = _; |
|
return stream; |
|
}, |
|
|
|
result: noop$2 |
|
}; |
|
|
|
function point(x, y) { |
|
context.moveTo(x + pointRadius, y); |
|
context.arc(x, y, pointRadius, 0, tau$3); |
|
} |
|
|
|
function pointLineStart(x, y) { |
|
context.moveTo(x, y); |
|
stream.point = pointLine; |
|
} |
|
|
|
function pointLine(x, y) { |
|
context.lineTo(x, y); |
|
} |
|
|
|
function lineEnd() { |
|
stream.point = point; |
|
} |
|
|
|
function lineEndPolygon() { |
|
context.closePath(); |
|
} |
|
|
|
return stream; |
|
} |
|
|
|
function PathString() { |
|
var pointCircle = circle$2(4.5), |
|
string = []; |
|
|
|
var stream = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { |
|
stream.lineEnd = lineEndPolygon; |
|
}, |
|
polygonEnd: function() { |
|
stream.lineEnd = lineEnd; |
|
stream.point = point; |
|
}, |
|
pointRadius: function(_) { |
|
pointCircle = circle$2(_); |
|
return stream; |
|
}, |
|
result: function() { |
|
if (string.length) { |
|
var result = string.join(""); |
|
string = []; |
|
return result; |
|
} |
|
} |
|
}; |
|
|
|
function point(x, y) { |
|
string.push("M", x, ",", y, pointCircle); |
|
} |
|
|
|
function pointLineStart(x, y) { |
|
string.push("M", x, ",", y); |
|
stream.point = pointLine; |
|
} |
|
|
|
function pointLine(x, y) { |
|
string.push("L", x, ",", y); |
|
} |
|
|
|
function lineStart() { |
|
stream.point = pointLineStart; |
|
} |
|
|
|
function lineEnd() { |
|
stream.point = point; |
|
} |
|
|
|
function lineEndPolygon() { |
|
string.push("Z"); |
|
} |
|
|
|
return stream; |
|
} |
|
|
|
function circle$2(radius) { |
|
return "m0," + radius |
|
+ "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius |
|
+ "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius |
|
+ "z"; |
|
} |
|
|
|
function index$3() { |
|
var pointRadius = 4.5, |
|
projection, |
|
projectionStream, |
|
context, |
|
contextStream; |
|
|
|
function path(object) { |
|
if (object) { |
|
if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); |
|
geoStream(object, projectionStream(contextStream)); |
|
} |
|
return contextStream.result(); |
|
} |
|
|
|
path.area = function(object) { |
|
geoStream(object, projectionStream(areaStream$1)); |
|
return areaStream$1.result(); |
|
}; |
|
|
|
path.bounds = function(object) { |
|
geoStream(object, projectionStream(boundsStream$1)); |
|
return boundsStream$1.result(); |
|
}; |
|
|
|
path.centroid = function(object) { |
|
geoStream(object, projectionStream(centroidStream$1)); |
|
return centroidStream$1.result(); |
|
}; |
|
|
|
path.projection = function(_) { |
|
return arguments.length ? (projectionStream = (projection = _) == null ? identity$7 : _.stream, path) : projection; |
|
}; |
|
|
|
path.context = function(_) { |
|
if (!arguments.length) return context; |
|
contextStream = (context = _) == null ? new PathString : new PathContext(_); |
|
if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); |
|
return path; |
|
}; |
|
|
|
path.pointRadius = function(_) { |
|
if (!arguments.length) return pointRadius; |
|
pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); |
|
return path; |
|
}; |
|
|
|
return path.projection(null).context(null); |
|
} |
|
|
|
var sum$2 = adder(); |
|
|
|
function polygonContains(polygon, point) { |
|
var lambda = point[0], |
|
phi = point[1], |
|
normal = [sin(lambda), -cos(lambda), 0], |
|
angle = 0, |
|
winding = 0; |
|
|
|
sum$2.reset(); |
|
|
|
for (var i = 0, n = polygon.length; i < n; ++i) { |
|
if (!(m = (ring = polygon[i]).length)) continue; |
|
var ring, |
|
m, |
|
point0 = ring[m - 1], |
|
lambda0 = point0[0], |
|
phi0 = point0[1] / 2 + quarterPi, |
|
sinPhi0 = sin(phi0), |
|
cosPhi0 = cos(phi0); |
|
|
|
for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { |
|
var point1 = ring[j], |
|
lambda1 = point1[0], |
|
phi1 = point1[1] / 2 + quarterPi, |
|
sinPhi1 = sin(phi1), |
|
cosPhi1 = cos(phi1), |
|
delta = lambda1 - lambda0, |
|
sign = delta >= 0 ? 1 : -1, |
|
absDelta = sign * delta, |
|
antimeridian = absDelta > pi$3, |
|
k = sinPhi0 * sinPhi1; |
|
|
|
sum$2.add(atan2(k * sign * sin(absDelta), cosPhi0 * cosPhi1 + k * cos(absDelta))); |
|
angle += antimeridian ? delta + sign * tau$3 : delta; |
|
|
|
// Are the longitudes either side of the point’s meridian (lambda), |
|
// and are the latitudes smaller than the parallel (phi)? |
|
if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { |
|
var arc = cartesianCross(cartesian(point0), cartesian(point1)); |
|
cartesianNormalizeInPlace(arc); |
|
var intersection = cartesianCross(normal, arc); |
|
cartesianNormalizeInPlace(intersection); |
|
var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin$1(intersection[2]); |
|
if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { |
|
winding += antimeridian ^ delta >= 0 ? 1 : -1; |
|
} |
|
} |
|
} |
|
} |
|
|
|
// First, determine whether the South pole is inside or outside: |
|
// |
|
// It is inside if: |
|
// * the polygon winds around it in a clockwise direction. |
|
// * the polygon does not (cumulatively) wind around it, but has a negative |
|
// (counter-clockwise) area. |
|
// |
|
// Second, count the (signed) number of times a segment crosses a lambda |
|
// from the point to the South pole. If it is zero, then the point is the |
|
// same side as the South pole. |
|
|
|
return (angle < -epsilon$4 || angle < epsilon$4 && sum$2 < -epsilon$4) ^ (winding & 1); |
|
} |
|
|
|
function clip(pointVisible, clipLine, interpolate, start) { |
|
return function(rotate, sink) { |
|
var line = clipLine(sink), |
|
rotatedStart = rotate.invert(start[0], start[1]), |
|
ringBuffer = clipBuffer(), |
|
ringSink = clipLine(ringBuffer), |
|
polygonStarted = false, |
|
polygon, |
|
segments, |
|
ring; |
|
|
|
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 = merge(segments); |
|
var startInside = polygonContains(polygon, rotatedStart); |
|
if (segments.length) { |
|
if (!polygonStarted) sink.polygonStart(), polygonStarted = true; |
|
clipPolygon(segments, compareIntersection, startInside, interpolate, sink); |
|
} else if (startInside) { |
|
if (!polygonStarted) sink.polygonStart(), polygonStarted = true; |
|
sink.lineStart(); |
|
interpolate(null, null, 1, sink); |
|
sink.lineEnd(); |
|
} |
|
if (polygonStarted) sink.polygonEnd(), polygonStarted = false; |
|
segments = polygon = null; |
|
}, |
|
sphere: function() { |
|
sink.polygonStart(); |
|
sink.lineStart(); |
|
interpolate(null, null, 1, sink); |
|
sink.lineEnd(); |
|
sink.polygonEnd(); |
|
} |
|
}; |
|
|
|
function point(lambda, phi) { |
|
var point = rotate(lambda, phi); |
|
if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi); |
|
} |
|
|
|
function pointLine(lambda, phi) { |
|
var point = rotate(lambda, phi); |
|
line.point(point[0], point[1]); |
|
} |
|
|
|
function lineStart() { |
|
clip.point = pointLine; |
|
line.lineStart(); |
|
} |
|
|
|
function lineEnd() { |
|
clip.point = point; |
|
line.lineEnd(); |
|
} |
|
|
|
function pointRing(lambda, phi) { |
|
ring.push([lambda, phi]); |
|
var point = rotate(lambda, phi); |
|
ringSink.point(point[0], point[1]); |
|
} |
|
|
|
function ringStart() { |
|
ringSink.lineStart(); |
|
ring = []; |
|
} |
|
|
|
function ringEnd() { |
|
pointRing(ring[0][0], ring[0][1]); |
|
ringSink.lineEnd(); |
|
|
|
var clean = ringSink.clean(), |
|
ringSegments = ringBuffer.result(), |
|
i, n = ringSegments.length, m, |
|
segment, |
|
point; |
|
|
|
ring.pop(); |
|
polygon.push(ring); |
|
ring = null; |
|
|
|
if (!n) return; |
|
|
|
// No intersections. |
|
if (clean & 1) { |
|
segment = ringSegments[0]; |
|
if ((m = segment.length - 1) > 0) { |
|
if (!polygonStarted) sink.polygonStart(), polygonStarted = true; |
|
sink.lineStart(); |
|
for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); |
|
sink.lineEnd(); |
|
} |
|
return; |
|
} |
|
|
|
// Rejoin connected segments. |
|
// TODO reuse ringBuffer.rejoin()? |
|
if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); |
|
|
|
segments.push(ringSegments.filter(validSegment)); |
|
} |
|
|
|
return clip; |
|
}; |
|
} |
|
|
|
function validSegment(segment) { |
|
return segment.length > 1; |
|
} |
|
|
|
// Intersections are sorted along the clip edge. For both antimeridian cutting |
|
// and circle clipping, the same comparison is used. |
|
function compareIntersection(a, b) { |
|
return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$4 : halfPi$2 - a[1]) |
|
- ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$4 : halfPi$2 - b[1]); |
|
} |
|
|
|
var clipAntimeridian = clip( |
|
function() { return true; }, |
|
clipAntimeridianLine, |
|
clipAntimeridianInterpolate, |
|
[-pi$3, -halfPi$2] |
|
); |
|
|
|
// Takes a line and cuts into visible segments. Return values: 0 - there were |
|
// intersections or the line was empty; 1 - no intersections; 2 - there were |
|
// intersections, and the first and last segments should be rejoined. |
|
function clipAntimeridianLine(stream) { |
|
var lambda0 = NaN, |
|
phi0 = NaN, |
|
sign0 = NaN, |
|
clean; // no intersections |
|
|
|
return { |
|
lineStart: function() { |
|
stream.lineStart(); |
|
clean = 1; |
|
}, |
|
point: function(lambda1, phi1) { |
|
var sign1 = lambda1 > 0 ? pi$3 : -pi$3, |
|
delta = abs(lambda1 - lambda0); |
|
if (abs(delta - pi$3) < epsilon$4) { // line crosses a pole |
|
stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); |
|
stream.point(sign0, phi0); |
|
stream.lineEnd(); |
|
stream.lineStart(); |
|
stream.point(sign1, phi0); |
|
stream.point(lambda1, phi0); |
|
clean = 0; |
|
} else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian |
|
if (abs(lambda0 - sign0) < epsilon$4) lambda0 -= sign0 * epsilon$4; // handle degeneracies |
|
if (abs(lambda1 - sign1) < epsilon$4) lambda1 -= sign1 * epsilon$4; |
|
phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); |
|
stream.point(sign0, phi0); |
|
stream.lineEnd(); |
|
stream.lineStart(); |
|
stream.point(sign1, phi0); |
|
clean = 0; |
|
} |
|
stream.point(lambda0 = lambda1, phi0 = phi1); |
|
sign0 = sign1; |
|
}, |
|
lineEnd: function() { |
|
stream.lineEnd(); |
|
lambda0 = phi0 = NaN; |
|
}, |
|
clean: function() { |
|
return 2 - clean; // if intersections, rejoin first and last segments |
|
} |
|
}; |
|
} |
|
|
|
function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { |
|
var cosPhi0, |
|
cosPhi1, |
|
sinLambda0Lambda1 = sin(lambda0 - lambda1); |
|
return abs(sinLambda0Lambda1) > epsilon$4 |
|
? atan((sin(phi0) * (cosPhi1 = cos(phi1)) * sin(lambda1) |
|
- sin(phi1) * (cosPhi0 = cos(phi0)) * sin(lambda0)) |
|
/ (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) |
|
: (phi0 + phi1) / 2; |
|
} |
|
|
|
function clipAntimeridianInterpolate(from, to, direction, stream) { |
|
var phi; |
|
if (from == null) { |
|
phi = direction * halfPi$2; |
|
stream.point(-pi$3, phi); |
|
stream.point(0, phi); |
|
stream.point(pi$3, phi); |
|
stream.point(pi$3, 0); |
|
stream.point(pi$3, -phi); |
|
stream.point(0, -phi); |
|
stream.point(-pi$3, -phi); |
|
stream.point(-pi$3, 0); |
|
stream.point(-pi$3, phi); |
|
} else if (abs(from[0] - to[0]) > epsilon$4) { |
|
var lambda = from[0] < to[0] ? pi$3 : -pi$3; |
|
phi = direction * lambda / 2; |
|
stream.point(-lambda, phi); |
|
stream.point(0, phi); |
|
stream.point(lambda, phi); |
|
} else { |
|
stream.point(to[0], to[1]); |
|
} |
|
} |
|
|
|
function clipCircle(radius, delta) { |
|
var cr = cos(radius), |
|
smallRadius = cr > 0, |
|
notHemisphere = abs(cr) > epsilon$4; // TODO optimise for this common case |
|
|
|
function interpolate(from, to, direction, stream) { |
|
circleStream(stream, radius, delta, direction, from, to); |
|
} |
|
|
|
function visible(lambda, phi) { |
|
return cos(lambda) * cos(phi) > cr; |
|
} |
|
|
|
// Takes a line and cuts into visible segments. Return values used for polygon |
|
// clipping: 0 - there were intersections or the line was empty; 1 - no |
|
// intersections 2 - there were intersections, and the first and last segments |
|
// should be rejoined. |
|
function clipLine(stream) { |
|
var point0, // previous point |
|
c0, // code for previous point |
|
v0, // visibility of previous point |
|
v00, // visibility of first point |
|
clean; // no intersections |
|
return { |
|
lineStart: function() { |
|
v00 = v0 = false; |
|
clean = 1; |
|
}, |
|
point: function(lambda, phi) { |
|
var point1 = [lambda, phi], |
|
point2, |
|
v = visible(lambda, phi), |
|
c = smallRadius |
|
? v ? 0 : code(lambda, phi) |
|
: v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; |
|
if (!point0 && (v00 = v0 = v)) stream.lineStart(); |
|
// Handle degeneracies. |
|
// TODO ignore if not clipping polygons. |
|
if (v !== v0) { |
|
point2 = intersect(point0, point1); |
|
if (pointEqual(point0, point2) || pointEqual(point1, point2)) { |
|
point1[0] += epsilon$4; |
|
point1[1] += epsilon$4; |
|
v = visible(point1[0], point1[1]); |
|
} |
|
} |
|
if (v !== v0) { |
|
clean = 0; |
|
if (v) { |
|
// outside going in |
|
stream.lineStart(); |
|
point2 = intersect(point1, point0); |
|
stream.point(point2[0], point2[1]); |
|
} else { |
|
// inside going out |
|
point2 = intersect(point0, point1); |
|
stream.point(point2[0], point2[1]); |
|
stream.lineEnd(); |
|
} |
|
point0 = point2; |
|
} else if (notHemisphere && point0 && smallRadius ^ v) { |
|
var t; |
|
// If the codes for two points are different, or are both zero, |
|
// and there this segment intersects with the small circle. |
|
if (!(c & c0) && (t = intersect(point1, point0, true))) { |
|
clean = 0; |
|
if (smallRadius) { |
|
stream.lineStart(); |
|
stream.point(t[0][0], t[0][1]); |
|
stream.point(t[1][0], t[1][1]); |
|
stream.lineEnd(); |
|
} else { |
|
stream.point(t[1][0], t[1][1]); |
|
stream.lineEnd(); |
|
stream.lineStart(); |
|
stream.point(t[0][0], t[0][1]); |
|
} |
|
} |
|
} |
|
if (v && (!point0 || !pointEqual(point0, point1))) { |
|
stream.point(point1[0], point1[1]); |
|
} |
|
point0 = point1, v0 = v, c0 = c; |
|
}, |
|
lineEnd: function() { |
|
if (v0) stream.lineEnd(); |
|
point0 = null; |
|
}, |
|
// Rejoin first and last segments if there were intersections and the first |
|
// and last points were visible. |
|
clean: function() { |
|
return clean | ((v00 && v0) << 1); |
|
} |
|
}; |
|
} |
|
|
|
// Intersects the great circle between a and b with the clip circle. |
|
function intersect(a, b, two) { |
|
var pa = cartesian(a), |
|
pb = cartesian(b); |
|
|
|
// We have two planes, n1.p = d1 and n2.p = d2. |
|
// Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). |
|
var n1 = [1, 0, 0], // normal |
|
n2 = cartesianCross(pa, pb), |
|
n2n2 = cartesianDot(n2, n2), |
|
n1n2 = n2[0], // cartesianDot(n1, n2), |
|
determinant = n2n2 - n1n2 * n1n2; |
|
|
|
// Two polar points. |
|
if (!determinant) return !two && a; |
|
|
|
var c1 = cr * n2n2 / determinant, |
|
c2 = -cr * n1n2 / determinant, |
|
n1xn2 = cartesianCross(n1, n2), |
|
A = cartesianScale(n1, c1), |
|
B = cartesianScale(n2, c2); |
|
cartesianAddInPlace(A, B); |
|
|
|
// Solve |p(t)|^2 = 1. |
|
var u = n1xn2, |
|
w = cartesianDot(A, u), |
|
uu = cartesianDot(u, u), |
|
t2 = w * w - uu * (cartesianDot(A, A) - 1); |
|
|
|
if (t2 < 0) return; |
|
|
|
var t = sqrt$1(t2), |
|
q = cartesianScale(u, (-w - t) / uu); |
|
cartesianAddInPlace(q, A); |
|
q = spherical(q); |
|
|
|
if (!two) return q; |
|
|
|
// Two intersection points. |
|
var lambda0 = a[0], |
|
lambda1 = b[0], |
|
phi0 = a[1], |
|
phi1 = b[1], |
|
z; |
|
|
|
if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; |
|
|
|
var delta = lambda1 - lambda0, |
|
polar = abs(delta - pi$3) < epsilon$4, |
|
meridian = polar || delta < epsilon$4; |
|
|
|
if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; |
|
|
|
// Check that the first point is between a and b. |
|
if (meridian |
|
? polar |
|
? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$4 ? phi0 : phi1) |
|
: phi0 <= q[1] && q[1] <= phi1 |
|
: delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { |
|
var q1 = cartesianScale(u, (-w + t) / uu); |
|
cartesianAddInPlace(q1, A); |
|
return [q, spherical(q1)]; |
|
} |
|
} |
|
|
|
// Generates a 4-bit vector representing the location of a point relative to |
|
// the small circle's bounding box. |
|
function code(lambda, phi) { |
|
var r = smallRadius ? radius : pi$3 - radius, |
|
code = 0; |
|
if (lambda < -r) code |= 1; // left |
|
else if (lambda > r) code |= 2; // right |
|
if (phi < -r) code |= 4; // below |
|
else if (phi > r) code |= 8; // above |
|
return code; |
|
} |
|
|
|
return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); |
|
} |
|
|
|
function transform$1(prototype) { |
|
return { |
|
stream: transform$2(prototype) |
|
}; |
|
} |
|
|
|
function transform$2(prototype) { |
|
function T() {} |
|
var p = T.prototype = Object.create(Transform$1.prototype); |
|
for (var k in prototype) p[k] = prototype[k]; |
|
return function(stream) { |
|
var t = new T; |
|
t.stream = stream; |
|
return t; |
|
}; |
|
} |
|
|
|
function Transform$1() {} |
|
|
|
Transform$1.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 fit(project, extent, object) { |
|
var w = extent[1][0] - extent[0][0], |
|
h = extent[1][1] - extent[0][1], |
|
clip = project.clipExtent && project.clipExtent(); |
|
|
|
project |
|
.scale(150) |
|
.translate([0, 0]); |
|
|
|
if (clip != null) project.clipExtent(null); |
|
|
|
geoStream(object, project.stream(boundsStream$1)); |
|
|
|
var b = boundsStream$1.result(), |
|
k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), |
|
x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, |
|
y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; |
|
|
|
if (clip != null) project.clipExtent(clip); |
|
|
|
return project |
|
.scale(k * 150) |
|
.translate([x, y]); |
|
} |
|
|
|
function fitSize(project) { |
|
return function(size, object) { |
|
return fit(project, [[0, 0], size], object); |
|
}; |
|
} |
|
|
|
function fitExtent(project) { |
|
return function(extent, object) { |
|
return fit(project, extent, object); |
|
}; |
|
} |
|
|
|
var maxDepth = 16; |
|
var cosMinDistance = cos(30 * radians); |
|
// cos(minimum angular distance) |
|
|
|
function resample(project, delta2) { |
|
return +delta2 ? resample$1(project, delta2) : resampleNone(project); |
|
} |
|
|
|
function resampleNone(project) { |
|
return transform$2({ |
|
point: function(x, y) { |
|
x = project(x, y); |
|
this.stream.point(x[0], x[1]); |
|
} |
|
}); |
|
} |
|
|
|
function resample$1(project, delta2) { |
|
|
|
function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { |
|
var dx = x1 - x0, |
|
dy = y1 - y0, |
|
d2 = dx * dx + dy * dy; |
|
if (d2 > 4 * delta2 && depth--) { |
|
var a = a0 + a1, |
|
b = b0 + b1, |
|
c = c0 + c1, |
|
m = sqrt$1(a * a + b * b + c * c), |
|
phi2 = asin$1(c /= m), |
|
lambda2 = abs(abs(c) - 1) < epsilon$4 || abs(lambda0 - lambda1) < epsilon$4 ? (lambda0 + lambda1) / 2 : atan2(b, a), |
|
p = project(lambda2, phi2), |
|
x2 = p[0], |
|
y2 = p[1], |
|
dx2 = x2 - x0, |
|
dy2 = y2 - y0, |
|
dz = dy * dx2 - dx * dy2; |
|
if (dz * dz / d2 > delta2 // perpendicular projected distance |
|
|| abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end |
|
|| a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance |
|
resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); |
|
stream.point(x2, y2); |
|
resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); |
|
} |
|
} |
|
} |
|
return function(stream) { |
|
var lambda00, x00, y00, a00, b00, c00, // first point |
|
lambda0, x0, y0, a0, b0, c0; // previous point |
|
|
|
var resampleStream = { |
|
point: point, |
|
lineStart: lineStart, |
|
lineEnd: lineEnd, |
|
polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, |
|
polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } |
|
}; |
|
|
|
function point(x, y) { |
|
x = project(x, y); |
|
stream.point(x[0], x[1]); |
|
} |
|
|
|
function lineStart() { |
|
x0 = NaN; |
|
resampleStream.point = linePoint; |
|
stream.lineStart(); |
|
} |
|
|
|
function linePoint(lambda, phi) { |
|
var c = cartesian([lambda, phi]), p = project(lambda, phi); |
|
resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream); |
|
stream.point(x0, y0); |
|
} |
|
|
|
function lineEnd() { |
|
resampleStream.point = point; |
|
stream.lineEnd(); |
|
} |
|
|
|
function ringStart() { |
|
lineStart(); |
|
resampleStream.point = ringPoint; |
|
resampleStream.lineEnd = ringEnd; |
|
} |
|
|
|
function ringPoint(lambda, phi) { |
|
linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; |
|
resampleStream.point = linePoint; |
|
} |
|
|
|
function ringEnd() { |
|
resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); |
|
resampleStream.lineEnd = lineEnd; |
|
lineEnd(); |
|
} |
|
|
|
return resampleStream; |
|
}; |
|
} |
|
|
|
var transformRadians = transform$2({ |
|
point: function(x, y) { |
|
this.stream.point(x * radians, y * radians); |
|
} |
|
}); |
|
|
|
function projection(project) { |
|
return projectionMutator(function() { return project; })(); |
|
} |
|
|
|
function projectionMutator(projectAt) { |
|
var project, |
|
k = 150, // scale |
|
x = 480, y = 250, // translate |
|
dx, dy, lambda = 0, phi = 0, // center |
|
deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate |
|
theta = null, preclip = clipAntimeridian, // clip angle |
|
x0 = null, y0, x1, y1, postclip = identity$7, // clip extent |
|
delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision |
|
cache, |
|
cacheStream; |
|
|
|
function projection(point) { |
|
point = projectRotate(point[0] * radians, point[1] * radians); |
|
return [point[0] * k + dx, dy - point[1] * k]; |
|
} |
|
|
|
function invert(point) { |
|
point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); |
|
return point && [point[0] * degrees$1, point[1] * degrees$1]; |
|
} |
|
|
|
function projectTransform(x, y) { |
|
return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; |
|
} |
|
|
|
projection.stream = function(stream) { |
|
return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream)))); |
|
}; |
|
|
|
projection.clipAngle = function(_) { |
|
return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; |
|
}; |
|
|
|
projection.clipExtent = function(_) { |
|
return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$7) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; |
|
}; |
|
|
|
projection.scale = function(_) { |
|
return arguments.length ? (k = +_, recenter()) : k; |
|
}; |
|
|
|
projection.translate = function(_) { |
|
return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; |
|
}; |
|
|
|
projection.center = function(_) { |
|
return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; |
|
}; |
|
|
|
projection.rotate = function(_) { |
|
return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; |
|
}; |
|
|
|
projection.precision = function(_) { |
|
return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt$1(delta2); |
|
}; |
|
|
|
projection.fitExtent = fitExtent(projection); |
|
|
|
projection.fitSize = fitSize(projection); |
|
|
|
function recenter() { |
|
projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); |
|
var center = project(lambda, phi); |
|
dx = x - center[0] * k; |
|
dy = y + center[1] * k; |
|
return reset(); |
|
} |
|
|
|
function reset() { |
|
cache = cacheStream = null; |
|
return projection; |
|
} |
|
|
|
return function() { |
|
project = projectAt.apply(this, arguments); |
|
projection.invert = project.invert && invert; |
|
return recenter(); |
|
}; |
|
} |
|
|
|
function conicProjection(projectAt) { |
|
var phi0 = 0, |
|
phi1 = pi$3 / 3, |
|
m = projectionMutator(projectAt), |
|
p = m(phi0, phi1); |
|
|
|
p.parallels = function(_) { |
|
return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; |
|
}; |
|
|
|
return p; |
|
} |
|
|
|
function conicEqualAreaRaw(y0, y1) { |
|
var sy0 = sin(y0), |
|
n = (sy0 + sin(y1)) / 2, |
|
c = 1 + sy0 * (2 * n - sy0), |
|
r0 = sqrt$1(c) / n; |
|
|
|
function project(x, y) { |
|
var r = sqrt$1(c - 2 * n * sin(y)) / n; |
|
return [r * sin(x *= n), r0 - r * cos(x)]; |
|
} |
|
|
|
project.invert = function(x, y) { |
|
var r0y = r0 - y; |
|
return [atan2(x, r0y) / n, asin$1((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; |
|
}; |
|
|
|
return project; |
|
} |
|
|
|
function conicEqualArea() { |
|
return conicProjection(conicEqualAreaRaw) |
|
.scale(155.424) |
|
.center([0, 33.6442]); |
|
} |
|
|
|
function albers() { |
|
return conicEqualArea() |
|
.parallels([29.5, 45.5]) |
|
.scale(1070) |
|
.translate([480, 250]) |
|
.rotate([96, 0]) |
|
.center([-0.6, 38.7]); |
|
} |
|
|
|
// The projections must have mutually exclusive clip regions on the sphere, |
|
// as this will avoid emitting interleaving lines and polygons. |
|
function multiplex(streams) { |
|
var n = streams.length; |
|
return { |
|
point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, |
|
sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, |
|
lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, |
|
lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, |
|
polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, |
|
polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } |
|
}; |
|
} |
|
|
|
// A composite projection for the United States, configured by default for |
|
// 960×500. The projection also works quite well at 960×600 if you change the |
|
// scale to 1285 and adjust the translate accordingly. The set of standard |
|
// parallels for each region comes from USGS, which is published here: |
|
// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers |
|
function albersUsa() { |
|
var cache, |
|
cacheStream, |
|
lower48 = albers(), lower48Point, |
|
alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 |
|
hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 |
|
point, pointStream = {point: function(x, y) { point = [x, y]; }}; |
|
|
|
function albersUsa(coordinates) { |
|
var x = coordinates[0], y = coordinates[1]; |
|
return point = null, |
|
(lower48Point.point(x, y), point) |
|
|| (alaskaPoint.point(x, y), point) |
|
|| (hawaiiPoint.point(x, y), 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 >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska |
|
: y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii |
|
: lower48).invert(coordinates); |
|
}; |
|
|
|
albersUsa.stream = function(stream) { |
|
return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); |
|
}; |
|
|
|
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(_ * 0.35), 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 - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) |
|
.stream(pointStream); |
|
|
|
alaskaPoint = alaska |
|
.translate([x - 0.307 * k, y + 0.201 * k]) |
|
.clipExtent([[x - 0.425 * k + epsilon$4, y + 0.120 * k + epsilon$4], [x - 0.214 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) |
|
.stream(pointStream); |
|
|
|
hawaiiPoint = hawaii |
|
.translate([x - 0.205 * k, y + 0.212 * k]) |
|
.clipExtent([[x - 0.214 * k + epsilon$4, y + 0.166 * k + epsilon$4], [x - 0.115 * k - epsilon$4, y + 0.234 * k - epsilon$4]]) |
|
.stream(pointStream); |
|
|
|
return albersUsa; |
|
}; |
|
|
|
albersUsa.fitExtent = fitExtent(albersUsa); |
|
|
|
albersUsa.fitSize = fitSize(albersUsa); |
|
|
|
return albersUsa.scale(1070); |
|
} |
|
|
|
function azimuthalRaw(scale) { |
|
return function(x, y) { |
|
var cx = cos(x), |
|
cy = cos(y), |
|
k = scale(cx * cy); |
|
return [ |
|
k * cy * sin(x), |
|
k * sin(y) |
|
]; |
|
} |
|
} |
|
|
|
function azimuthalInvert(angle) { |
|
return function(x, y) { |
|
var z = sqrt$1(x * x + y * y), |
|
c = angle(z), |
|
sc = sin(c), |
|
cc = cos(c); |
|
return [ |
|
atan2(x * sc, z * cc), |
|
asin$1(z && y * sc / z) |
|
]; |
|
} |
|
} |
|
|
|
var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { |
|
return sqrt$1(2 / (1 + cxcy)); |
|
}); |
|
|
|
azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { |
|
return 2 * asin$1(z / 2); |
|
}); |
|
|
|
function azimuthalEqualArea() { |
|
return projection(azimuthalEqualAreaRaw) |
|
.scale(124.75) |
|
.clipAngle(180 - 1e-3); |
|
} |
|
|
|
var azimuthalEquidistantRaw = azimuthalRaw(function(c) { |
|
return (c = acos(c)) && c / sin(c); |
|
}); |
|
|
|
azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { |
|
return z; |
|
}); |
|
|
|
function azimuthalEquidistant() { |
|
return projection(azimuthalEquidistantRaw) |
|
.scale(79.4188) |
|
.clipAngle(180 - 1e-3); |
|
} |
|
|
|
function mercatorRaw(lambda, phi) { |
|
return [lambda, log$1(tan((halfPi$2 + phi) / 2))]; |
|
} |
|
|
|
mercatorRaw.invert = function(x, y) { |
|
return [x, 2 * atan(exp(y)) - halfPi$2]; |
|
}; |
|
|
|
function mercator() { |
|
return mercatorProjection(mercatorRaw) |
|
.scale(961 / tau$3); |
|
} |
|
|
|
function mercatorProjection(project) { |
|
var m = projection(project), |
|
scale = m.scale, |
|
translate = m.translate, |
|
clipExtent = m.clipExtent, |
|
clipAuto; |
|
|
|
m.scale = function(_) { |
|
return arguments.length ? (scale(_), clipAuto && m.clipExtent(null), m) : scale(); |
|
}; |
|
|
|
m.translate = function(_) { |
|
return arguments.length ? (translate(_), clipAuto && m.clipExtent(null), m) : translate(); |
|
}; |
|
|
|
m.clipExtent = function(_) { |
|
if (!arguments.length) return clipAuto ? null : clipExtent(); |
|
if (clipAuto = _ == null) { |
|
var k = pi$3 * scale(), |
|
t = translate(); |
|
_ = [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]]; |
|
} |
|
clipExtent(_); |
|
return m; |
|
}; |
|
|
|
return m.clipExtent(null); |
|
} |
|
|
|
function tany(y) { |
|
return tan((halfPi$2 + y) / 2); |
|
} |
|
|
|
function conicConformalRaw(y0, y1) { |
|
var cy0 = cos(y0), |
|
n = y0 === y1 ? sin(y0) : log$1(cy0 / cos(y1)) / log$1(tany(y1) / tany(y0)), |
|
f = cy0 * pow$1(tany(y0), n) / n; |
|
|
|
if (!n) return mercatorRaw; |
|
|
|
function project(x, y) { |
|
if (f > 0) { if (y < -halfPi$2 + epsilon$4) y = -halfPi$2 + epsilon$4; } |
|
else { if (y > halfPi$2 - epsilon$4) y = halfPi$2 - epsilon$4; } |
|
var r = f / pow$1(tany(y), n); |
|
return [r * sin(n * x), f - r * cos(n * x)]; |
|
} |
|
|
|
project.invert = function(x, y) { |
|
var fy = f - y, r = sign$1(n) * sqrt$1(x * x + fy * fy); |
|
return [atan2(x, fy) / n, 2 * atan(pow$1(f / r, 1 / n)) - halfPi$2]; |
|
}; |
|
|
|
return project; |
|
} |
|
|
|
function conicConformal() { |
|
return conicProjection(conicConformalRaw) |
|
.scale(109.5) |
|
.parallels([30, 30]); |
|
} |
|
|
|
function equirectangularRaw(lambda, phi) { |
|
return [lambda, phi]; |
|
} |
|
|
|
equirectangularRaw.invert = equirectangularRaw; |
|
|
|
function equirectangular() { |
|
return projection(equirectangularRaw) |
|
.scale(152.63); |
|
} |
|
|
|
function conicEquidistantRaw(y0, y1) { |
|
var cy0 = cos(y0), |
|
n = y0 === y1 ? sin(y0) : (cy0 - cos(y1)) / (y1 - y0), |
|
g = cy0 / n + y0; |
|
|
|
if (abs(n) < epsilon$4) return equirectangularRaw; |
|
|
|
function project(x, y) { |
|
var gy = g - y, nx = n * x; |
|
return [gy * sin(nx), g - gy * cos(nx)]; |
|
} |
|
|
|
project.invert = function(x, y) { |
|
var gy = g - y; |
|
return [atan2(x, gy) / n, g - sign$1(n) * sqrt$1(x * x + gy * gy)]; |
|
}; |
|
|
|
return project; |
|
} |
|
|
|
function conicEquidistant() { |
|
return conicProjection(conicEquidistantRaw) |
|
.scale(131.154) |
|
.center([0, 13.9389]); |
|
} |
|
|
|
function gnomonicRaw(x, y) { |
|
var cy = cos(y), k = cos(x) * cy; |
|
return [cy * sin(x) / k, sin(y) / k]; |
|
} |
|
|
|
gnomonicRaw.invert = azimuthalInvert(atan); |
|
|
|
function gnomonic() { |
|
return projection(gnomonicRaw) |
|
.scale(144.049) |
|
.clipAngle(60); |
|
} |
|
|
|
function orthographicRaw(x, y) { |
|
return [cos(y) * sin(x), sin(y)]; |
|
} |
|
|
|
orthographicRaw.invert = azimuthalInvert(asin$1); |
|
|
|
function orthographic() { |
|
return projection(orthographicRaw) |
|
.scale(249.5) |
|
.clipAngle(90 + epsilon$4); |
|
} |
|
|
|
function stereographicRaw(x, y) { |
|
var cy = cos(y), k = 1 + cos(x) * cy; |
|
return [cy * sin(x) / k, sin(y) / k]; |
|
} |
|
|
|
stereographicRaw.invert = azimuthalInvert(function(z) { |
|
return 2 * atan(z); |
|
}); |
|
|
|
function stereographic() { |
|
return projection(stereographicRaw) |
|
.scale(250) |
|
.clipAngle(142); |
|
} |
|
|
|
function transverseMercatorRaw(lambda, phi) { |
|
return [log$1(tan((halfPi$2 + phi) / 2)), -lambda]; |
|
} |
|
|
|
transverseMercatorRaw.invert = function(x, y) { |
|
return [-y, 2 * atan(exp(x)) - halfPi$2]; |
|
}; |
|
|
|
function transverseMercator() { |
|
var m = mercatorProjection(transverseMercatorRaw), |
|
center = m.center, |
|
rotate = m.rotate; |
|
|
|
m.center = function(_) { |
|
return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); |
|
}; |
|
|
|
m.rotate = function(_) { |
|
return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); |
|
}; |
|
|
|
return rotate([0, 0, 90]) |
|
.scale(159.155); |
|
} |
|
|
|
function attrsFunction(selection, map) { |
|
return selection.each(function() { |
|
var x = map.apply(this, arguments), s = select(this); |
|
for (var name in x) s.attr(name, x[name]); |
|
}); |
|
} |
|
|
|
function attrsObject(selection, map) { |
|
for (var name in map) selection.attr(name, map[name]); |
|
return selection; |
|
} |
|
|
|
function selection_attrs(map) { |
|
return (typeof map === "function" ? attrsFunction : attrsObject)(this, map); |
|
} |
|
|
|
function stylesFunction(selection, map, priority) { |
|
return selection.each(function() { |
|
var x = map.apply(this, arguments), s = select(this); |
|
for (var name in x) s.style(name, x[name], priority); |
|
}); |
|
} |
|
|
|
function stylesObject(selection, map, priority) { |
|
for (var name in map) selection.style(name, map[name], priority); |
|
return selection; |
|
} |
|
|
|
function selection_styles(map, priority) { |
|
return (typeof map === "function" ? stylesFunction : stylesObject)(this, map, priority == null ? "" : priority); |
|
} |
|
|
|
function propertiesFunction(selection, map) { |
|
return selection.each(function() { |
|
var x = map.apply(this, arguments), s = select(this); |
|
for (var name in x) s.property(name, x[name]); |
|
}); |
|
} |
|
|
|
function propertiesObject(selection, map) { |
|
for (var name in map) selection.property(name, map[name]); |
|
return selection; |
|
} |
|
|
|
function selection_properties(map) { |
|
return (typeof map === "function" ? propertiesFunction : propertiesObject)(this, map); |
|
} |
|
|
|
function attrsFunction$1(transition, map) { |
|
return transition.each(function() { |
|
var x = map.apply(this, arguments), t = select(this).transition(transition); |
|
for (var name in x) t.attr(name, x[name]); |
|
}); |
|
} |
|
|
|
function attrsObject$1(transition, map) { |
|
for (var name in map) transition.attr(name, map[name]); |
|
return transition; |
|
} |
|
|
|
function transition_attrs(map) { |
|
return (typeof map === "function" ? attrsFunction$1 : attrsObject$1)(this, map); |
|
} |
|
|
|
function stylesFunction$1(transition, map, priority) { |
|
return transition.each(function() { |
|
var x = map.apply(this, arguments), t = select(this).transition(transition); |
|
for (var name in x) t.style(name, x[name], priority); |
|
}); |
|
} |
|
|
|
function stylesObject$1(transition, map, priority) { |
|
for (var name in map) transition.style(name, map[name], priority); |
|
return transition; |
|
} |
|
|
|
function transition_styles(map, priority) { |
|
return (typeof map === "function" ? stylesFunction$1 : stylesObject$1)(this, map, priority == null ? "" : priority); |
|
} |
|
|
|
selection.prototype.attrs = selection_attrs; |
|
selection.prototype.styles = selection_styles; |
|
selection.prototype.properties = selection_properties; |
|
transition.prototype.attrs = transition_attrs; |
|
transition.prototype.styles = transition_styles; |
|
|
|
function translateSelection(xy) { |
|
return this.attr('transform', function(d,i) { |
|
return 'translate('+[typeof xy == 'function' ? xy.call(this, d,i) : xy]+')'; |
|
}); |
|
}; |
|
|
|
function parseAttributes(name) { |
|
if (typeof name === "string") { |
|
var attr = {}, |
|
parts = name.split(/([\.#])/g), p; |
|
name = parts.shift(); |
|
while ((p = parts.shift())) { |
|
if (p == '.') attr['class'] = attr['class'] ? attr['class'] + ' ' + parts.shift() : parts.shift(); |
|
else if (p == '#') attr.id = parts.shift(); |
|
} |
|
return {tag: name, attr: attr}; |
|
} |
|
return name; |
|
} |
|
|
|
function append(name) { |
|
var n = parseAttributes(name), s; |
|
name = creator(n.tag); |
|
s = this.select(function() { |
|
return this.appendChild(name.apply(this, arguments)); |
|
}); |
|
|
|
//attrs not provided by default in v4 |
|
for (var key in n.attr) { s.attr(key, n.attr[key]) } |
|
return s; |
|
}; |
|
|
|
function selectAppend(name) { |
|
var select = selector(name), |
|
n = parseAttributes(name), s; |
|
|
|
name = creator(n.tag); |
|
|
|
s = this.select(function() { |
|
return select.apply(this, arguments) |
|
|| this.appendChild(name.apply(this, arguments)); |
|
}); |
|
|
|
//attrs not provided by default in v4 |
|
for (var key in n.attr) { s.attr(key, n.attr[key]) } |
|
return s; |
|
}; |
|
|
|
function tspans(lines, lh) { |
|
return this.selectAll('tspan') |
|
.data(lines).enter() |
|
.append('tspan') |
|
.text(function(d) { return d; }) |
|
.attr('x', 0) |
|
.attr('dy', function(d, i) { return i ? lh || 15 : 0; }); |
|
}; |
|
|
|
function appendMany(data, name){ |
|
return this.selectAll(null).data(data).enter().append(name); |
|
}; |
|
|
|
function at(name, value) { |
|
if (typeof(name) == 'object'){ |
|
for (var key in name){ |
|
this.attr(key.replace(/([a-z\d])([A-Z])/g, '$1-$2').toLowerCase(), name[key]) |
|
} |
|
return this |
|
} else{ |
|
return arguments.length == 1 ? this.attr(name) : this.attr(name, value) |
|
} |
|
}; |
|
|
|
function f(){ |
|
var functions = arguments |
|
|
|
//convert all string arguments into field accessors |
|
var i = 0, l = functions.length |
|
while (i < l) { |
|
if (typeof(functions[i]) === 'string' || typeof(functions[i]) === 'number'){ |
|
functions[i] = (function(str){ return function(d){ return d[str] } })(functions[i]) |
|
} |
|
i++ |
|
} |
|
|
|
//return composition of functions |
|
return function(d) { |
|
var i=0, l = functions.length |
|
while (i++ < l) d = functions[i-1].call(this, d) |
|
return d |
|
} |
|
} |
|
|
|
f.not = function(d){ return !d } |
|
f.run = function(d){ return d() } |
|
f.objToFn = function(obj, defaultVal){ |
|
if (arguments.length == 1) defaultVal = undefined |
|
|
|
return function(str){ |
|
return typeof(obj[str]) !== undefined ? obj[str] : defaultVal } |
|
} |
|
|
|
function st(name, value) { |
|
if (typeof(name) == 'object'){ |
|
for (var key in name){ |
|
addStyle(this, key, name[key]) |
|
} |
|
return this |
|
} else{ |
|
return arguments.length == 1 ? this.style(name) : addStyle(this, name, value) |
|
} |
|
|
|
|
|
function addStyle(sel, style, value){ |
|
var style = style.replace(/([a-z\d])([A-Z])/g, '$1-$2').toLowerCase() |
|
|
|
var pxStyles = 'top left bottom right padding-top padding-left padding-bottom padding-right border-top b-width border-left-width border-botto-width m border-right-width margin-top margin-left margin-bottom margin-right font-size width height stroke-width line-height margin padding border max-width min-width' |
|
|
|
if (~pxStyles.indexOf(style) ){ |
|
sel.style(style, typeof value == 'function' ? f(value, addPx) : addPx(value)) |
|
} else{ |
|
sel.style(style, value) |
|
} |
|
|
|
return sel |
|
} |
|
|
|
function addPx(d){ return d.match ? d : d + 'px' } |
|
}; |
|
|
|
function wordwrap(line, maxCharactersPerLine) { |
|
var w = line.split(' '), |
|
lines = [], |
|
words = [], |
|
maxChars = maxCharactersPerLine || 40, |
|
l = 0; |
|
|
|
w.forEach(function(d) { |
|
if (l+d.length > maxChars) { |
|
lines.push(words.join(' ')); |
|
words.length = 0; |
|
l = 0; |
|
} |
|
l += d.length; |
|
words.push(d); |
|
}); |
|
if (words.length) { |
|
lines.push(words.join(' ')); |
|
} |
|
return lines.filter(function(d){ return d != '' }); |
|
}; |
|
|
|
function ascendingKey(key) { |
|
return typeof key == 'function' ? function (a, b) { |
|
return key(a) < key(b) ? -1 : key(a) > key(b) ? 1 : key(a) >= key(b) ? 0 : NaN; |
|
} : function (a, b) { |
|
return a[key] < b[key] ? -1 : a[key] > b[key] ? 1 : a[key] >= b[key] ? 0 : NaN; |
|
}; |
|
}; |
|
|
|
function descendingKey(key) { |
|
return typeof key == 'function' ? function (a, b) { |
|
return key(b) < key(a) ? -1 : key(b) > key(a) ? 1 : key(b) >= key(a) ? 0 : NaN; |
|
} : function (a, b) { |
|
return b[key] < a[key] ? -1 : b[key] > a[key] ? 1 : b[key] >= a[key] ? 0 : NaN; |
|
}; |
|
}; |
|
|
|
function conventions(c){ |
|
c = c || {} |
|
|
|
c.margin = c.margin || {top: 20, right: 20, bottom: 20, left: 20} |
|
;['top', 'right', 'bottom', 'left'].forEach(function(d){ |
|
if (!c.margin[d] && c.margin[d] != 0) c.margin[d] = 20 |
|
}) |
|
|
|
c.width = c.width || c.totalWidth - c.margin.left - c.margin.right || 900 |
|
c.height = c.height || c.totalHeight - c.margin.top - c.margin.bottom || 460 |
|
|
|
c.totalWidth = c.width + c.margin.left + c.margin.right |
|
c.totalHeight = c.height + c.margin.top + c.margin.bottom |
|
|
|
c.parentSel = c.parentSel || select('body') |
|
|
|
c.rootsvg = c.parentSel.append('svg') |
|
|
|
c.svg = c.rootsvg |
|
.attr('width', c.totalWidth) |
|
.attr('height', c.totalHeight) |
|
.append('g') |
|
.attr('transform', 'translate(' + c.margin.left + ',' + c.margin.top + ')') |
|
|
|
c.x = c.x || linear$2().range([0, c.width]) |
|
c.y = c.y || linear$2().range([c.height, 0]) |
|
|
|
c.xAxis = c.xAxis || axisBottom().scale(c.x) |
|
c.yAxis = c.yAxis || axisLeft().scale(c.y) |
|
|
|
c.drawAxis = function(){ |
|
c.svg.append('g') |
|
.attr('class', 'x axis') |
|
.attr('transform', 'translate(0,' + c.height + ')') |
|
.call(c.xAxis); |
|
|
|
c.svg.append('g') |
|
.attr('class', 'y axis') |
|
.call(c.yAxis); |
|
} |
|
|
|
return c |
|
} |
|
|
|
function attachTooltip(sel, tooltipSel, fieldFns){ |
|
if (!sel.size()) return |
|
|
|
tooltipSel = tooltipSel || select('.tooltip') |
|
|
|
sel |
|
.on('mouseover.attachTooltip', ttDisplay) |
|
.on('mousemove.attachTooltip', ttMove) |
|
.on('mouseout.attachTooltip', ttHide) |
|
.on('click.attachTooltip', function(d){ console.log(d) }) |
|
|
|
var d = sel.datum() |
|
fieldFns = fieldFns || d3keys(d) |
|
.filter(function(str){ |
|
return (typeof d[str] != 'object') && (d[str] != 'array') |
|
}) |
|
.map(function(str){ |
|
return function(d){ return str + ': <b>' + d[str] + '</b>'} }) |
|
|
|
function ttDisplay(d){ |
|
tooltipSel |
|
.classed('tooltip-hidden', false) |
|
.html('') |
|
.appendMany(fieldFns, 'div') |
|
.html(function(fn){ return fn(d) }) |
|
|
|
select(this).classed('tooltipped', true) |
|
} |
|
|
|
function ttMove(d){ |
|
var tt = tooltipSel |
|
if (!tt.size()) return |
|
var e = exports.event, |
|
x = e.clientX, |
|
y = e.clientY, |
|
n = tt.node(), |
|
nBB = n.getBoundingClientRect(), |
|
doctop = (window.scrollY)? window.scrollY : (document.documentElement && document.documentElement.scrollTop)? document.documentElement.scrollTop : document.body.scrollTop, |
|
topPos = y+doctop-nBB.height-18; |
|
|
|
tt.style('top', (topPos < 0 ? 18 + y : topPos)+'px'); |
|
tt.style('left', Math.min(Math.max(20, (x-nBB.width/2)), window.innerWidth - nBB.width - 20)+'px'); |
|
} |
|
|
|
function ttHide(d){ |
|
tooltipSel.classed('tooltip-hidden', true); |
|
|
|
selectAll('.tooltipped').classed('tooltipped', false) |
|
} |
|
} |
|
|
|
function loadData(files, cb){ |
|
var q = queue() |
|
files.forEach(function(d){ |
|
var type = d.split('.').reverse()[0] |
|
|
|
var loadFn = {csv: csv$1, tsv: tsv$1, json: json}[type] |
|
if (!loadFn) return cb(new Error('Invalid type', d)) |
|
q.defer(loadFn, d) |
|
}) |
|
q.awaitAll(cb) |
|
} |
|
|
|
function nestBy(array, key){ |
|
return nest().key(key).entries(array).map(function(d){ |
|
d.values.key = d.key |
|
return d.values |
|
}) |
|
} |
|
|
|
function round(n, p) { |
|
return p ? Math.round(n * (p = Math.pow(10, p))) / p : Math.round(n); |
|
}; |
|
|
|
selection.prototype.translate = translateSelection |
|
selection.prototype.append = append |
|
selection.prototype.selectAppend = selectAppend |
|
selection.prototype.tspans = tspans |
|
selection.prototype.appendMany = appendMany |
|
selection.prototype.at = at |
|
selection.prototype.st = st |
|
selection.prototype.prop = selection.prototype.property |
|
|
|
exports.bisect = bisectRight; |
|
exports.bisectRight = bisectRight; |
|
exports.bisectLeft = bisectLeft; |
|
exports.ascending = ascending; |
|
exports.bisector = bisector; |
|
exports.descending = descending; |
|
exports.deviation = deviation; |
|
exports.extent = extent; |
|
exports.histogram = histogram; |
|
exports.thresholdFreedmanDiaconis = freedmanDiaconis; |
|
exports.thresholdScott = scott; |
|
exports.thresholdSturges = sturges; |
|
exports.max = max; |
|
exports.mean = mean; |
|
exports.median = median; |
|
exports.merge = merge; |
|
exports.min = min; |
|
exports.pairs = pairs; |
|
exports.permute = permute; |
|
exports.quantile = threshold; |
|
exports.range = range; |
|
exports.scan = scan; |
|
exports.shuffle = shuffle; |
|
exports.sum = sum; |
|
exports.ticks = ticks; |
|
exports.tickStep = tickStep; |
|
exports.transpose = transpose; |
|
exports.variance = variance; |
|
exports.zip = zip; |
|
exports.entries = entries; |
|
exports.keys = d3keys; |
|
exports.values = values; |
|
exports.map = map$1; |
|
exports.set = set; |
|
exports.nest = nest; |
|
exports.randomUniform = uniform; |
|
exports.randomNormal = normal; |
|
exports.randomLogNormal = logNormal; |
|
exports.randomBates = bates; |
|
exports.randomIrwinHall = irwinHall; |
|
exports.randomExponential = exponential; |
|
exports.easeLinear = linear; |
|
exports.easeQuad = quadInOut; |
|
exports.easeQuadIn = quadIn; |
|
exports.easeQuadOut = quadOut; |
|
exports.easeQuadInOut = quadInOut; |
|
exports.easeCubic = easeCubicInOut; |
|
exports.easeCubicIn = cubicIn; |
|
exports.easeCubicOut = cubicOut; |
|
exports.easeCubicInOut = easeCubicInOut; |
|
exports.easePoly = polyInOut; |
|
exports.easePolyIn = polyIn; |
|
exports.easePolyOut = polyOut; |
|
exports.easePolyInOut = polyInOut; |
|
exports.easeSin = sinInOut; |
|
exports.easeSinIn = sinIn; |
|
exports.easeSinOut = sinOut; |
|
exports.easeSinInOut = sinInOut; |
|
exports.easeExp = expInOut; |
|
exports.easeExpIn = expIn; |
|
exports.easeExpOut = expOut; |
|
exports.easeExpInOut = expInOut; |
|
exports.easeCircle = circleInOut; |
|
exports.easeCircleIn = circleIn; |
|
exports.easeCircleOut = circleOut; |
|
exports.easeCircleInOut = circleInOut; |
|
exports.easeBounce = bounceOut; |
|
exports.easeBounceIn = bounceIn; |
|
exports.easeBounceOut = bounceOut; |
|
exports.easeBounceInOut = bounceInOut; |
|
exports.easeBack = backInOut; |
|
exports.easeBackIn = backIn; |
|
exports.easeBackOut = backOut; |
|
exports.easeBackInOut = backInOut; |
|
exports.easeElastic = elasticOut; |
|
exports.easeElasticIn = elasticIn; |
|
exports.easeElasticOut = elasticOut; |
|
exports.easeElasticInOut = elasticInOut; |
|
exports.polygonArea = area; |
|
exports.polygonCentroid = centroid; |
|
exports.polygonHull = hull; |
|
exports.polygonContains = contains; |
|
exports.polygonLength = length$1; |
|
exports.path = path; |
|
exports.quadtree = quadtree; |
|
exports.queue = queue; |
|
exports.arc = arc; |
|
exports.area = area$1; |
|
exports.line = line; |
|
exports.pie = pie; |
|
exports.radialArea = radialArea; |
|
exports.radialLine = radialLine$1; |
|
exports.symbol = symbol; |
|
exports.symbols = symbols; |
|
exports.symbolCircle = circle; |
|
exports.symbolCross = cross$1; |
|
exports.symbolDiamond = diamond; |
|
exports.symbolSquare = square; |
|
exports.symbolStar = star; |
|
exports.symbolTriangle = triangle; |
|
exports.symbolWye = wye; |
|
exports.curveBasisClosed = basisClosed; |
|
exports.curveBasisOpen = basisOpen; |
|
exports.curveBasis = basis; |
|
exports.curveBundle = bundle; |
|
exports.curveCardinalClosed = cardinalClosed; |
|
exports.curveCardinalOpen = cardinalOpen; |
|
exports.curveCardinal = cardinal; |
|
exports.curveCatmullRomClosed = catmullRomClosed; |
|
exports.curveCatmullRomOpen = catmullRomOpen; |
|
exports.curveCatmullRom = catmullRom; |
|
exports.curveLinearClosed = linearClosed; |
|
exports.curveLinear = curveLinear; |
|
exports.curveMonotoneX = monotoneX; |
|
exports.curveMonotoneY = monotoneY; |
|
exports.curveNatural = natural; |
|
exports.curveStep = step; |
|
exports.curveStepAfter = stepAfter; |
|
exports.curveStepBefore = stepBefore; |
|
exports.stack = stack; |
|
exports.stackOffsetExpand = expand; |
|
exports.stackOffsetNone = none; |
|
exports.stackOffsetSilhouette = silhouette; |
|
exports.stackOffsetWiggle = wiggle; |
|
exports.stackOrderAscending = ascending$1; |
|
exports.stackOrderDescending = descending$2; |
|
exports.stackOrderInsideOut = insideOut; |
|
exports.stackOrderNone = none$1; |
|
exports.stackOrderReverse = reverse; |
|
exports.color = color; |
|
exports.rgb = colorRgb; |
|
exports.hsl = colorHsl; |
|
exports.lab = lab; |
|
exports.hcl = colorHcl; |
|
exports.cubehelix = cubehelix; |
|
exports.interpolate = interpolate; |
|
exports.interpolateArray = array$1; |
|
exports.interpolateNumber = interpolateNumber; |
|
exports.interpolateObject = object; |
|
exports.interpolateRound = interpolateRound; |
|
exports.interpolateString = interpolateString; |
|
exports.interpolateTransformCss = interpolateTransform$1; |
|
exports.interpolateTransformSvg = interpolateTransform$2; |
|
exports.interpolateZoom = interpolateZoom; |
|
exports.interpolateRgb = interpolateRgb; |
|
exports.interpolateRgbBasis = rgbBasis; |
|
exports.interpolateRgbBasisClosed = rgbBasisClosed; |
|
exports.interpolateHsl = hsl$1; |
|
exports.interpolateHslLong = hslLong; |
|
exports.interpolateLab = lab$1; |
|
exports.interpolateHcl = hcl$1; |
|
exports.interpolateHclLong = hclLong; |
|
exports.interpolateCubehelix = cubehelix$2; |
|
exports.interpolateCubehelixLong = interpolateCubehelixLong; |
|
exports.interpolateBasis = basis$2; |
|
exports.interpolateBasisClosed = basisClosed$1; |
|
exports.quantize = quantize; |
|
exports.dispatch = dispatch; |
|
exports.dsvFormat = dsv; |
|
exports.csvParse = csvParse; |
|
exports.csvParseRows = csvParseRows; |
|
exports.csvFormat = csvFormat; |
|
exports.csvFormatRows = csvFormatRows; |
|
exports.tsvParse = tsvParse; |
|
exports.tsvParseRows = tsvParseRows; |
|
exports.tsvFormat = tsvFormat; |
|
exports.tsvFormatRows = tsvFormatRows; |
|
exports.request = request; |
|
exports.html = html; |
|
exports.json = json; |
|
exports.text = text; |
|
exports.xml = xml; |
|
exports.csv = csv$1; |
|
exports.tsv = tsv$1; |
|
exports.now = now; |
|
exports.timer = timer; |
|
exports.timerFlush = timerFlush; |
|
exports.timeout = timeout$1; |
|
exports.interval = interval$1; |
|
exports.timeInterval = newInterval; |
|
exports.timeMillisecond = millisecond; |
|
exports.timeMilliseconds = milliseconds; |
|
exports.timeSecond = second; |
|
exports.timeSeconds = seconds; |
|
exports.timeMinute = minute; |
|
exports.timeMinutes = minutes; |
|
exports.timeHour = hour; |
|
exports.timeHours = hours; |
|
exports.timeDay = day; |
|
exports.timeDays = days; |
|
exports.timeWeek = timeWeek; |
|
exports.timeWeeks = sundays; |
|
exports.timeSunday = timeWeek; |
|
exports.timeSundays = sundays; |
|
exports.timeMonday = timeMonday; |
|
exports.timeMondays = mondays; |
|
exports.timeTuesday = tuesday; |
|
exports.timeTuesdays = tuesdays; |
|
exports.timeWednesday = wednesday; |
|
exports.timeWednesdays = wednesdays; |
|
exports.timeThursday = thursday; |
|
exports.timeThursdays = thursdays; |
|
exports.timeFriday = friday; |
|
exports.timeFridays = fridays; |
|
exports.timeSaturday = saturday; |
|
exports.timeSaturdays = saturdays; |
|
exports.timeMonth = month; |
|
exports.timeMonths = months; |
|
exports.timeYear = year; |
|
exports.timeYears = years; |
|
exports.utcMillisecond = millisecond; |
|
exports.utcMilliseconds = milliseconds; |
|
exports.utcSecond = second; |
|
exports.utcSeconds = seconds; |
|
exports.utcMinute = utcMinute; |
|
exports.utcMinutes = utcMinutes; |
|
exports.utcHour = utcHour; |
|
exports.utcHours = utcHours; |
|
exports.utcDay = utcDay; |
|
exports.utcDays = utcDays; |
|
exports.utcWeek = utcWeek; |
|
exports.utcWeeks = utcSundays; |
|
exports.utcSunday = utcWeek; |
|
exports.utcSundays = utcSundays; |
|
exports.utcMonday = utcMonday; |
|
exports.utcMondays = utcMondays; |
|
exports.utcTuesday = utcTuesday; |
|
exports.utcTuesdays = utcTuesdays; |
|
exports.utcWednesday = utcWednesday; |
|
exports.utcWednesdays = utcWednesdays; |
|
exports.utcThursday = utcThursday; |
|
exports.utcThursdays = utcThursdays; |
|
exports.utcFriday = utcFriday; |
|
exports.utcFridays = utcFridays; |
|
exports.utcSaturday = utcSaturday; |
|
exports.utcSaturdays = utcSaturdays; |
|
exports.utcMonth = utcMonth; |
|
exports.utcMonths = utcMonths; |
|
exports.utcYear = utcYear; |
|
exports.utcYears = utcYears; |
|
exports.formatLocale = formatLocale; |
|
exports.formatDefaultLocale = defaultLocale; |
|
exports.formatSpecifier = formatSpecifier; |
|
exports.precisionFixed = precisionFixed; |
|
exports.precisionPrefix = precisionPrefix; |
|
exports.precisionRound = precisionRound; |
|
exports.isoFormat = formatIso; |
|
exports.isoParse = parseIso; |
|
exports.timeFormatLocale = formatLocale$1; |
|
exports.timeFormatDefaultLocale = defaultLocale$1; |
|
exports.scaleBand = band; |
|
exports.scalePoint = point$4; |
|
exports.scaleIdentity = identity$4; |
|
exports.scaleLinear = linear$2; |
|
exports.scaleLog = log; |
|
exports.scaleOrdinal = ordinal; |
|
exports.scaleImplicit = implicit; |
|
exports.scalePow = pow; |
|
exports.scaleSqrt = sqrt; |
|
exports.scaleQuantile = quantile; |
|
exports.scaleQuantize = quantize$1; |
|
exports.scaleThreshold = threshold$1; |
|
exports.scaleTime = time; |
|
exports.scaleUtc = utcTime; |
|
exports.schemeCategory10 = category10; |
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exports.schemeCategory20b = category20b; |
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exports.schemeCategory20c = category20c; |
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exports.schemeCategory20 = category20; |
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exports.scaleSequential = sequential; |
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exports.interpolateCubehelixDefault = cubehelix$3; |
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exports.interpolateRainbow = rainbow$1; |
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exports.interpolateWarm = warm; |
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exports.interpolateCool = cool; |
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exports.interpolateViridis = viridis; |
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exports.interpolateMagma = magma; |
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exports.interpolateInferno = inferno; |
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exports.interpolatePlasma = plasma; |
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exports.creator = creator; |
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exports.customEvent = customEvent; |
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exports.local = local; |
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exports.matcher = matcher$1; |
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exports.mouse = mouse; |
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exports.namespace = namespace; |
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exports.namespaces = namespaces; |
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exports.select = select; |
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exports.selectAll = selectAll; |
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exports.selection = selection; |
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exports.selector = selector; |
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exports.selectorAll = selectorAll; |
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exports.touch = touch; |
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exports.touches = touches; |
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exports.window = window$1; |
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exports.active = active; |
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exports.interrupt = interrupt; |
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exports.transition = transition; |
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exports.axisTop = axisTop; |
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exports.axisRight = axisRight; |
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exports.axisBottom = axisBottom; |
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exports.axisLeft = axisLeft; |
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exports.cluster = cluster; |
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exports.hierarchy = hierarchy; |
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exports.pack = index; |
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exports.packSiblings = siblings; |
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exports.packEnclose = enclose; |
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exports.partition = partition; |
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exports.stratify = stratify; |
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exports.tree = tree; |
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exports.treemap = index$1; |
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exports.treemapBinary = binary; |
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exports.treemapDice = treemapDice; |
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exports.treemapSlice = treemapSlice; |
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exports.treemapSliceDice = sliceDice; |
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exports.treemapSquarify = squarify; |
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exports.treemapResquarify = resquarify; |
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exports.forceCenter = center$1; |
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exports.forceCollide = collide; |
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exports.forceLink = link; |
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exports.forceManyBody = manyBody; |
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exports.forceSimulation = simulation; |
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exports.forceX = x$3; |
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exports.forceY = y$3; |
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exports.drag = drag; |
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exports.dragDisable = dragDisable; |
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exports.dragEnable = dragEnable; |
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exports.voronoi = voronoi; |
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exports.zoom = zoom; |
|
exports.zoomIdentity = identity$6; |
|
exports.zoomTransform = transform; |
|
exports.brush = brush; |
|
exports.brushX = brushX; |
|
exports.brushY = brushY; |
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exports.brushSelection = brushSelection; |
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exports.geoArea = area$2; |
|
exports.geoBounds = bounds; |
|
exports.geoCentroid = centroid$1; |
|
exports.geoCircle = circle$1; |
|
exports.geoClipExtent = extent$1; |
|
exports.geoDistance = distance; |
|
exports.geoGraticule = graticule; |
|
exports.geoInterpolate = interpolate$2; |
|
exports.geoLength = length$2; |
|
exports.geoPath = index$3; |
|
exports.geoAlbers = albers; |
|
exports.geoAlbersUsa = albersUsa; |
|
exports.geoAzimuthalEqualArea = azimuthalEqualArea; |
|
exports.geoAzimuthalEquidistant = azimuthalEquidistant; |
|
exports.geoConicConformal = conicConformal; |
|
exports.geoConicEqualArea = conicEqualArea; |
|
exports.geoConicEquidistant = conicEquidistant; |
|
exports.geoEquirectangular = equirectangular; |
|
exports.geoGnomonic = gnomonic; |
|
exports.geoProjection = projection; |
|
exports.geoProjectionMutator = projectionMutator; |
|
exports.geoMercator = mercator; |
|
exports.geoOrthographic = orthographic; |
|
exports.geoStereographic = stereographic; |
|
exports.geoTransverseMercator = transverseMercator; |
|
exports.geoRotation = rotation; |
|
exports.geoStream = geoStream; |
|
exports.geoTransform = transform$1; |
|
exports.wordwrap = wordwrap; |
|
exports.parseAttributes = parseAttributes; |
|
exports.f = f; |
|
exports.ascendingKey = ascendingKey; |
|
exports.descendingKey = descendingKey; |
|
exports.conventions = conventions; |
|
exports.attachTooltip = attachTooltip; |
|
exports.loadData = loadData; |
|
exports.nestBy = nestBy; |
|
exports.round = round; |
|
|
|
Object.defineProperty(exports, '__esModule', { value: true }); |
|
|
|
})); |
