38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
//>>built
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define("dojox/charting/scaler/primitive", ["dojo/_base/lang"],
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function(lang){
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var primitive = lang.getObject("dojox.charting.scaler.primitive", true);
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return lang.mixin(primitive, {
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buildScaler: function(/*Number*/ min, /*Number*/ max, /*Number*/ span, /*Object*/ kwArgs){
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if(min == max){
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// artificially extend bounds
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min -= 0.5;
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max += 0.5;
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// now the line will be centered
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}
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return {
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bounds: {
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lower: min,
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upper: max,
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from: min,
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to: max,
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scale: span / (max - min),
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span: span
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},
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scaler: primitive
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};
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},
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buildTicks: function(/*Object*/ scaler, /*Object*/ kwArgs){
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return {major: [], minor: [], micro: []}; // Object
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},
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getTransformerFromModel: function(/*Object*/ scaler){
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var offset = scaler.bounds.from, scale = scaler.bounds.scale;
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return function(x){ return (x - offset) * scale; }; // Function
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},
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getTransformerFromPlot: function(/*Object*/ scaler){
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var offset = scaler.bounds.from, scale = scaler.bounds.scale;
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return function(x){ return x / scale + offset; }; // Function
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}
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});
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});
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