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53 lines
1.1 KiB
53 lines
1.1 KiB
(function (Highcharts) { |
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var seriesTypes = Highcharts.seriesTypes, |
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each = Highcharts.each; |
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seriesTypes.heatmap = Highcharts.extendClass(seriesTypes.map, { |
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colorKey: 'z', |
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useMapGeometry: false, |
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pointArrayMap: ['y', 'z'], |
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translate: function () { |
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var series = this, |
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options = series.options, |
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dataMin = Number.MAX_VALUE, |
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dataMax = Number.MIN_VALUE; |
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series.generatePoints(); |
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each(series.data, function (point) { |
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var x = point.x, |
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y = point.y, |
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value = point.z, |
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xPad = (options.colsize || 1) / 2, |
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yPad = (options.rowsize || 1) / 2; |
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point.path = [ |
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'M', x - xPad, y - yPad, |
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'L', x + xPad, y - yPad, |
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'L', x + xPad, y + yPad, |
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'L', x - xPad, y + yPad, |
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'Z' |
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]; |
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point.shapeType = 'path'; |
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point.shapeArgs = { |
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d: series.translatePath(point.path) |
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}; |
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if (typeof value === 'number') { |
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if (value > dataMax) { |
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dataMax = value; |
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} else if (value < dataMin) { |
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dataMin = value; |
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} |
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} |
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}); |
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series.translateColors(dataMin, dataMax); |
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}, |
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getBox: function () {} |
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}); |
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}(Highcharts));
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