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@ -967,6 +967,17 @@ Graph3d.prototype.redraw = function() { |
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this._redrawLegend(); |
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}; |
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/** |
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* Get drawing context without exposing canvas |
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*/ |
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Graph3d.prototype._getContext = function() { |
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var canvas = this.frame.canvas; |
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var ctx = canvas.getContext('2d'); |
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return ctx; |
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}; |
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/** |
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* Clear the canvas before redrawing |
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*/ |
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@ -1024,8 +1035,7 @@ Graph3d.prototype._redrawLegend = function() { |
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var left = right - width; |
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var bottom = top + height; |
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var canvas = this.frame.canvas; |
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var ctx = canvas.getContext('2d'); |
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var ctx = this._getContext(); |
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ctx.lineWidth = 1; |
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ctx.font = '14px arial'; // TODO: put in options
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@ -1157,8 +1167,7 @@ Graph3d.prototype._redrawSlider = function() { |
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*/ |
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Graph3d.prototype._redrawInfo = function() { |
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if (this.dataFilter) { |
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var canvas = this.frame.canvas; |
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var ctx = canvas.getContext('2d'); |
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var ctx = this._getContext(); |
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ctx.font = '14px arial'; // TODO: put in options
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ctx.lineStyle = 'gray'; |
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@ -1177,8 +1186,7 @@ Graph3d.prototype._redrawInfo = function() { |
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* Redraw the axis |
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*/ |
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Graph3d.prototype._redrawAxis = function() { |
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var canvas = this.frame.canvas, |
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ctx = canvas.getContext('2d'), |
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var ctx = this._getContext(), |
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from, to, step, prettyStep, |
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text, xText, yText, zText, |
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offset, xOffset, yOffset, |
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@ -1477,8 +1485,7 @@ Graph3d.prototype._hsv2rgb = function(H, S, V) { |
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* This function can be used when the style is 'grid' |
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*/ |
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Graph3d.prototype._redrawDataGrid = function() { |
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var canvas = this.frame.canvas, |
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ctx = canvas.getContext('2d'), |
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var ctx = this._getContext(), |
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point, right, top, cross, |
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i, |
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topSideVisible, fillStyle, strokeStyle, lineWidth, |
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@ -1624,8 +1631,7 @@ Graph3d.prototype._getStrokeWidth = function(point) { |
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* This function can be used when the style is 'dot' or 'dot-line' |
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*/ |
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Graph3d.prototype._redrawDataDot = function() { |
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var canvas = this.frame.canvas; |
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var ctx = canvas.getContext('2d'); |
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var ctx = this._getContext(); |
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var i; |
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if (this.dataPoints === undefined || this.dataPoints.length <= 0) |
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@ -1720,8 +1726,7 @@ Graph3d.prototype._redrawDataDot = function() { |
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* This function can be used when the style is 'bar', 'bar-color', or 'bar-size' |
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*/ |
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Graph3d.prototype._redrawDataBar = function() { |
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var canvas = this.frame.canvas; |
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var ctx = canvas.getContext('2d'); |
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var ctx = this._getContext(); |
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var i, j, surface, corners; |
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if (this.dataPoints === undefined || this.dataPoints.length <= 0) |
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@ -1862,8 +1867,7 @@ Graph3d.prototype._redrawDataBar = function() { |
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* This function can be used when the style is 'line' |
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*/ |
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Graph3d.prototype._redrawDataLine = function() { |
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var canvas = this.frame.canvas, |
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ctx = canvas.getContext('2d'), |
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var ctx = this._getContext(), |
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point, i; |
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if (this.dataPoints === undefined || this.dataPoints.length <= 0) |
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