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Bars.js
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Bars.js
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if(!dojo._hasResource["dojox.charting.plot3d.Bars"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.charting.plot3d.Bars"] = true;
dojo.provide("dojox.charting.plot3d.Bars");
dojo.require("dojox.charting.plot3d.Base");
(function(){
// reduce function borrowed from dojox.fun
var reduce = function(/*Array*/ a, /*Function|String|Array*/ f, /*Object?*/ o){
// summary: repeatedly applies a binary function to an array from left
// to right; returns the final value.
a = typeof a == "string" ? a.split("") : a; o = o || dojo.global;
var z = a[0];
for(var i = 1; i < a.length; z = f.call(o, z, a[i++]));
return z; // Object
};
dojo.declare("dojox.charting.plot3d.Bars", dojox.charting.plot3d.Base, {
constructor: function(width, height, kwArgs){
this.depth = "auto";
this.gap = 0;
this.data = [];
this.material = {type: "plastic", finish: "dull", color: "lime"};
if(kwArgs){
if("depth" in kwArgs){ this.depth = kwArgs.depth; }
if("gap" in kwArgs){ this.gap = kwArgs.gap; }
if("material" in kwArgs){
var m = kwArgs.material;
if(typeof m == "string" || m instanceof dojo.Color){
this.material.color = m;
}else{
this.material = m;
}
}
}
},
getDepth: function(){
if(this.depth == "auto"){
var w = this.width;
if(this.data && this.data.length){
w = w / this.data.length;
}
return w - 2 * this.gap;
}
return this.depth;
},
generate: function(chart, creator){
if(!this.data){ return this; }
var step = this.width / this.data.length, org = 0,
depth = this.depth == "auto" ? step - 2 * this.gap : this.depth,
scale = this.height / reduce(this.data, Math.max);
if(!creator){ creator = chart.view; }
for(var i = 0; i < this.data.length; ++i, org += step){
creator
.createCube({
bottom: {x: org + this.gap, y: 0, z: 0},
top: {x: org + step - this.gap, y: this.data[i] * scale, z: depth}
})
.setFill(this.material);
}
}
});
})();
}

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Bars.js (2 KB)

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