📄 linear.js
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/* Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved. Available via Academic Free License >= 2.1 OR the modified BSD license. see: http://dojotoolkit.org/license for details*/if(!dojo._hasResource["dojox.charting.scaler.linear"]){dojo._hasResource["dojox.charting.scaler.linear"]=true;dojo.provide("dojox.charting.scaler.linear");dojo.require("dojox.charting.scaler.common");(function(){var _1=3,dc=dojox.charting,_3=dc.scaler,_4=_3.common,_5=_4.findString,_6=_4.getNumericLabel;var _7=function(_8,_9,_a,_b,_c,_d,_e){_a=dojo.clone(_a);if(!_b){if(_a.fixUpper=="major"){_a.fixUpper="minor";}if(_a.fixLower=="major"){_a.fixLower="minor";}}if(!_c){if(_a.fixUpper=="minor"){_a.fixUpper="micro";}if(_a.fixLower=="minor"){_a.fixLower="micro";}}if(!_d){if(_a.fixUpper=="micro"){_a.fixUpper="none";}if(_a.fixLower=="micro"){_a.fixLower="none";}}var _f=_5(_a.fixLower,["major"])?Math.floor(_a.min/_b)*_b:_5(_a.fixLower,["minor"])?Math.floor(_a.min/_c)*_c:_5(_a.fixLower,["micro"])?Math.floor(_a.min/_d)*_d:_a.min,_10=_5(_a.fixUpper,["major"])?Math.ceil(_a.max/_b)*_b:_5(_a.fixUpper,["minor"])?Math.ceil(_a.max/_c)*_c:_5(_a.fixUpper,["micro"])?Math.ceil(_a.max/_d)*_d:_a.max;if(_a.useMin){_8=_f;}if(_a.useMax){_9=_10;}var _11=(!_b||_a.useMin&&_5(_a.fixLower,["major"]))?_8:Math.ceil(_8/_b)*_b,_12=(!_c||_a.useMin&&_5(_a.fixLower,["major","minor"]))?_8:Math.ceil(_8/_c)*_c,_13=(!_d||_a.useMin&&_5(_a.fixLower,["major","minor","micro"]))?_8:Math.ceil(_8/_d)*_d,_14=!_b?0:(_a.useMax&&_5(_a.fixUpper,["major"])?Math.round((_9-_11)/_b):Math.floor((_9-_11)/_b))+1,_15=!_c?0:(_a.useMax&&_5(_a.fixUpper,["major","minor"])?Math.round((_9-_12)/_c):Math.floor((_9-_12)/_c))+1,_16=!_d?0:(_a.useMax&&_5(_a.fixUpper,["major","minor","micro"])?Math.round((_9-_13)/_d):Math.floor((_9-_13)/_d))+1,_17=_c?Math.round(_b/_c):0,_18=_d?Math.round(_c/_d):0,_19=_b?Math.floor(Math.log(_b)/Math.LN10):0,_1a=_c?Math.floor(Math.log(_c)/Math.LN10):0,_1b=_e/(_9-_8);if(!isFinite(_1b)){_1b=1;}return {bounds:{lower:_f,upper:_10,from:_8,to:_9,scale:_1b,span:_e},major:{tick:_b,start:_11,count:_14,prec:_19},minor:{tick:_c,start:_12,count:_15,prec:_1a},micro:{tick:_d,start:_13,count:_16,prec:0},minorPerMajor:_17,microPerMinor:_18,scaler:_3.linear};};dojo.mixin(dojox.charting.scaler.linear,{buildScaler:function(min,max,_1e,_1f){var h={fixUpper:"none",fixLower:"none",natural:false};if(_1f){if("fixUpper" in _1f){h.fixUpper=String(_1f.fixUpper);}if("fixLower" in _1f){h.fixLower=String(_1f.fixLower);}if("natural" in _1f){h.natural=Boolean(_1f.natural);}}if("min" in _1f){min=_1f.min;}if("max" in _1f){max=_1f.max;}if(_1f.includeZero){if(min>0){min=0;}if(max<0){max=0;}}h.min=min;h.useMin=true;h.max=max;h.useMax=true;if("from" in _1f){min=_1f.from;h.useMin=false;}if("to" in _1f){max=_1f.to;h.useMax=false;}if(max<=min){return _7(min,max,h,0,0,0,_1e);}var mag=Math.floor(Math.log(max-min)/Math.LN10),_22=_1f&&("majorTickStep" in _1f)?_1f.majorTickStep:Math.pow(10,mag),_23=0,_24=0,_25;if(_1f&&("minorTickStep" in _1f)){_23=_1f.minorTickStep;}else{do{_23=_22/10;if(!h.natural||_23>0.9){_25=_7(min,max,h,_22,_23,0,_1e);if(_25.bounds.scale*_25.minor.tick>_1){break;}}_23=_22/5;if(!h.natural||_23>0.9){_25=_7(min,max,h,_22,_23,0,_1e);if(_25.bounds.scale*_25.minor.tick>_1){break;}}_23=_22/2;if(!h.natural||_23>0.9){_25=_7(min,max,h,_22,_23,0,_1e);if(_25.bounds.scale*_25.minor.tick>_1){break;}}return _7(min,max,h,_22,0,0,_1e);}while(false);}if(_1f&&("microTickStep" in _1f)){_24=_1f.microTickStep;_25=_7(min,max,h,_22,_23,_24,_1e);}else{do{_24=_23/10;if(!h.natural||_24>0.9){_25=_7(min,max,h,_22,_23,_24,_1e);if(_25.bounds.scale*_25.micro.tick>_1){break;}}_24=_23/5;if(!h.natural||_24>0.9){_25=_7(min,max,h,_22,_23,_24,_1e);if(_25.bounds.scale*_25.micro.tick>_1){break;}}_24=_23/2;if(!h.natural||_24>0.9){_25=_7(min,max,h,_22,_23,_24,_1e);if(_25.bounds.scale*_25.micro.tick>_1){break;}}_24=0;}while(false);}return _24?_25:_7(min,max,h,_22,_23,0,_1e);},buildTicks:function(_26,_27){var _28,_29,_2a,_2b=_26.major.start,_2c=_26.minor.start,_2d=_26.micro.start;if(_27.microTicks&&_26.micro.tick){_28=_26.micro.tick,_29=_2d;}else{if(_27.minorTicks&&_26.minor.tick){_28=_26.minor.tick,_29=_2c;}else{if(_26.major.tick){_28=_26.major.tick,_29=_2b;}else{return null;}}}var _2e=1/_26.bounds.scale;if(_26.bounds.to<=_26.bounds.from||isNaN(_2e)||!isFinite(_2e)||_28<=0||isNaN(_28)||!isFinite(_28)){return null;}var _2f=[],_30=[],_31=[];while(_29<=_26.bounds.to+_2e){if(Math.abs(_2b-_29)<_28/2){_2a={value:_2b};if(_27.majorLabels){_2a.label=_6(_2b,_26.major.prec,_27);}_2f.push(_2a);_2b+=_26.major.tick;_2c+=_26.minor.tick;_2d+=_26.micro.tick;}else{if(Math.abs(_2c-_29)<_28/2){if(_27.minorTicks){_2a={value:_2c};if(_27.minorLabels&&(_26.minMinorStep<=_26.minor.tick*_26.bounds.scale)){_2a.label=_6(_2c,_26.minor.prec,_27);}_30.push(_2a);}_2c+=_26.minor.tick;_2d+=_26.micro.tick;}else{if(_27.microTicks){_31.push({value:_2d});}_2d+=_26.micro.tick;}}_29+=_28;}return {major:_2f,minor:_30,micro:_31};},getTransformerFromModel:function(_32){var _33=_32.bounds.from,_34=_32.bounds.scale;return function(x){return (x-_33)*_34;};},getTransformerFromPlot:function(_36){var _37=_36.bounds.from,_38=_36.bounds.scale;return function(x){return x/_38+_37;};}});})();}
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