30 lines
7.5 KiB
JavaScript
30 lines
7.5 KiB
JavaScript
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/**
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* jqPlot
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* Pure JavaScript plotting plugin using jQuery
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*
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* Version: 1.0.0b2_r792
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*
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* Copyright (c) 2009-2011 Chris Leonello
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* jqPlot is currently available for use in all personal or commercial projects
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* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
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* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
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* choose the license that best suits your project and use it accordingly.
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*
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* Although not required, the author would appreciate an email letting him
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* know of any substantial use of jqPlot. You can reach the author at:
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* chris at jqplot dot com or see http://www.jqplot.com/info.php .
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*
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* If you are feeling kind and generous, consider supporting the project by
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* making a donation at: http://www.jqplot.com/donate.php .
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*
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* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
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*
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* version 2007.04.27
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* author Ash Searle
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* http://hexmen.com/blog/2007/03/printf-sprintf/
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* http://hexmen.com/js/sprintf.js
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* The author (Ash Searle) has placed this code in the public domain:
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* "This code is unrestricted: you are free to use it however you like."
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*
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*/
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(function(a){a.jqplot.LogAxisRenderer=function(){a.jqplot.LinearAxisRenderer.call(this);this.axisDefaults={base:10,tickDistribution:"even"}};a.jqplot.LogAxisRenderer.prototype=new a.jqplot.LinearAxisRenderer();a.jqplot.LogAxisRenderer.prototype.constructor=a.jqplot.LogAxisRenderer;a.jqplot.LogAxisRenderer.prototype.init=function(e){a.extend(true,this.renderer,e);for(var h in this.renderer.axisDefaults){if(this[h]==null){this[h]=this.renderer.axisDefaults[h]}}var b=this._dataBounds;for(var f=0;f<this._series.length;f++){var g=this._series[f];var h=g.data;for(var c=0;c<h.length;c++){if(this.name=="xaxis"||this.name=="x2axis"){if((h[c][0]!=null&&h[c][0]<b.min)||b.min==null){b.min=h[c][0]}if((h[c][0]!=null&&h[c][0]>b.max)||b.max==null){b.max=h[c][0]}}else{if((h[c][1]!=null&&h[c][1]<b.min)||b.min==null){b.min=h[c][1]}if((h[c][1]!=null&&h[c][1]>b.max)||b.max==null){b.max=h[c][1]}}}}};a.jqplot.LogAxisRenderer.prototype.createTicks=function(){var A=this._ticks;var x=this.ticks;var D=this.name;var z=this._dataBounds;var s,y;var o,v;var e,d;var b,w;if(x.length){for(w=0;w<x.length;w++){var f=x[w];var k=new this.tickRenderer(this.tickOptions);if(f.constructor==Array){k.value=f[0];k.label=f[1];if(!this.showTicks){k.showLabel=false;k.showMark=false}else{if(!this.showTickMarks){k.showMark=false}}k.setTick(f[0],this.name);this._ticks.push(k)}else{k.value=f;if(!this.showTicks){k.showLabel=false;k.showMark=false}else{if(!this.showTickMarks){k.showMark=false}}k.setTick(f,this.name);this._ticks.push(k)}}this.numberTicks=x.length;this.min=this._ticks[0].value;this.max=this._ticks[this.numberTicks-1].value}else{if(D=="xaxis"||D=="x2axis"){s=this._plotDimensions.width}else{s=this._plotDimensions.height}o=((this.min!=null)?this.min:z.min);v=((this.max!=null)?this.max:z.max);if(o==v){var g=0.05;o=o*(1-g);v=v*(1+g)}if(this.min!=null&&this.min<=0){throw ("log axis minimum must be greater than 0")}if(this.max!=null&&this.max<=0){throw ("log axis maximum must be greater than 0")}var l=v-o;var n,r;if(this.tickDistribution=="even"){n=(this.min!=null)?this.min:o-o*((this.padMin-1)/2);r=(this.max!=null)?this.max:v+v*((this.padMax-1)/2);this.min=n;this.max=r;l=this.max-this.min;if(this.numberTicks==null){if(s>100){this.numberTicks=parseInt(3+(s-100)/75,10)}else{this.numberTicks=2}}var h=Math.pow(this.base,(1/(this.numberTicks-1)*Math.log(this.max/this.min)/Math.log(this.base)));for(var w=0;w<this.numberTicks;w++){b=this.min*Math.pow(h,w);var k=new this.tickRenderer(this.tickOptions);if(!this.showTicks){k.showLabel=false;k.showMark=false}else{if(!this.showTickMarks){k.showMark=false}}k.setTick(b,this.name);this._ticks.push(k)}}else{if(this.tickDistribution=="power"){n=Math.pow(this.base,Math.ceil(Math.log(o*(2-this.padMin))/Math.log(this.base))-1);r=Math.pow(this.base,Math.floor(Math.log(v*this.padMax)/Math.log(this.base))+1);this.min=n;this.max=r;l=this.max-this.min;var q=0;var c=0;if(this.numberTicks==null){if(s>100){this.numberTicks=Math.round(Math.log(this.max/this.min)/Math.log(this.base)+1);if(this.numberTicks<2){this.numberTicks=2}q=parseInt(3+(s-100)/75,10)}else{this.numberTicks=2;q=2}if(this.numberTicks<q-1){c=Math.floor(q/this.numberTicks)}}for(var w=0;w<this.numberTicks;w++){b=Math.pow(this.base,w-this.numberTicks+1)*this.max;var k=new this.tickRenderer(this.tickOptions);if(!this.showTicks){k.showLabel=false;k.showMark=false}else{if(!this.showTickMarks){k.showMark=false}}k.setTick(b,this.name);this._ticks.push(k);if(c&&w<this.numberTicks-1){var m=Math.pow(this.base,w-this.numberTicks+2)*this.max;var B=m-b;var y=m/(c+1);for(var p=c-1;p>=0;p--){var C=m-y*(p+1);var k=new this.tickRenderer(this.tickOptions);if(!this.showTicks){k.showLabel=false;k.showMark=false}else{if(!this.showTickMarks){k.showMark=false}}k.setTick(C,this.name);this._ticks.push(k)}}}}}}};a.jqplot.LogAxisRenderer.prototype.pack=function(f,e){var r=parseInt(this.base,10);var y=this._ticks;var d=function(h){return Math.log(h)/Math.log(r)};var b=function(h){return Math.pow(Math.E,(Math.log(r)*h))};var u=d(this.max);var s=d(this.min);var m=e.max;var k=e.min;var o=(this._label==null)?
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