torque/dist/torque.js

(function(e){function r(e,t){if(!t.steps)throw new Error("steps option missing");this.options=t,this.running=!1,this._tick=this._tick.bind(this),this._t0=+(new Date),this.callback=e,this._time=0,_.defaults(this.options,{animationDelay:0,maxDelta:.2,loop:!0}),this.rescale()}e.torque=e.torque||{};var t=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame||function(e){setTimeout(e,16)},n=window.requestAnimationFrame||window.mozCancelAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame||function(e){};r.prototype={start:function(){this.running=!0,t(this._tick)},isRunning:function(){return this.running},stop:function(){this.pause(),this.time(0)},time:function(e){if(!arguments.length)return this._time;this._time=e;var t=this.range(this.domain(this._time));this.callback(t)},toggle:function(){this.running?this.pause():this.start()},rescale:function(){return this.domainInv=torque.math.linear(this.options.animationDelay,this.options.animationDelay+this.options.animationDuration),this.domain=this.domainInv.invert(),this.range=torque.math.linear(0,this.options.steps),this.rangeInv=this.range.invert(),this.time(this._time),this},duration:function(e){return arguments.length?(this.options.animationDuration=e,this.time()>e&&this.time(0),this.rescale(),this):this.options.animationDuration},steps:function(e){return this.options.steps=e,this.rescale()},step:function(e){if(arguments.length===0)return this.range(this.domain(this._time));this._time=this.domainInv(this.rangeInv(e))},pause:function(){this.running=!1,n(this._tick)},_tick:function(){var e=+(new Date),n=(e-this._t0)*.001;n=Math.min(this.options.maxDelta,n),this._t0=e,this._time+=n,this.time(this._time),this.step()>=this.options.steps&&(this._time=0),this.running&&t(this._tick)}},e.torque.Animator=r})(typeof exports=="undefined"?this:exports),function(e){e.torque=e.torque||{};var t={version:"1.0.0",style:{"comp-op":{css:"comp-op","default-value":"src-over","default-meaning":"add the current layer on top of other layers",doc:"Composite operation. This defines how this layer should behave relative to layers atop or below it.",type:["src","src-over","dst-over","src-in","dst-in","src-out","dst-out","src-atop","dst-atop","xor","darken","lighten"]}},layer:{"buffer-size":{"default-value":"0",type:"float","default-meaning":"No buffer will be used",doc:"Extra tolerance around the Layer extent (in pixels) used to when querying and (potentially) clipping the layer data during rendering"},"-torque-frame-count":{css:"-torque-frame-count","default-value":"128",type:"number","default-meaning":"the data is broken into 128 time frames",doc:"Number of animation steps/frames used in the animation. If the data contains a fewere number of total frames, the lesser value will be used."},"-torque-resolution":{css:"-torque-resolution","default-value":"2",type:"number","default-meaning":"",doc:"Spatial resolution in pixels. A resolution of 1 means no spatial aggregation of the data. Any other resolution of N results in spatial aggregation into cells of NxN pixels. The value N must be power of 2"},"-torque-animation-duration":{css:"-torque-animation-duration","default-value":"30",type:"number","default-meaning":"the animation lasts 30 seconds",doc:"Animation duration in seconds"},"-torque-aggregation-function":{css:"-torque-aggregation-function","default-value":"count(cartodb_id)",type:"string","default-meaning":"the value for each cell is the count of points in that cell",doc:"A function used to calculate a value from the aggregate data for each cell. See -torque-resolution"},"-torque-time-attribute":{css:"-torque-time-attribute","default-value":"time",type:"string","default-meaning":"the data column in your table that is of a time based type",doc:"The table column that contains the time information used create the animation"},"-torque-data-aggregation":{css:"-torque-data-aggregation","default-value":"linear",type:["cumulative"],"default-meaning":"previous values are discarded",doc:"A linear animation 
(e.lineWidth=t.lineWidth),e.strokeStyle=t.strokeStyle,e.globalAlpha>0&&e.strokeRect(0,0,n,n))}function i(e,t){var n=t["point-file"]||t["marker-file"],r=n.height/n.width,i=t["point-radius"]||n.width,s=t["point-radius"]||t["marker-height"]||i*r;e.drawImage(n,0,0,i,s)}e.torque=e.torque||{};var t=Math.PI*2;e.torque.cartocss=e.torque.cartocss||{},e.torque.cartocss={renderPoint:n,renderSprite:i,renderRectangle:r}}(typeof exports=="undefined"?this:exports),function(e){function r(e,t){if(!e)throw new Error("canvas can't be undefined");this.options=t,this._canvas=e,this._ctx=e.getContext("2d"),this._sprites=[],this._shader=null,this.setCartoCSS(this.options.cartocss||n)}e.torque=e.torque||{},e.torque.renderer=e.torque.renderer||{};var t=Math.PI*2,n=["#layer {","  marker-fill: #662506;","  marker-width: 4;","  [value > 1] { marker-fill: #FEE391; }","  [value > 2] { marker-fill: #FEC44F; }","  [value > 3] { marker-fill: #FE9929; }","  [value > 4] { marker-fill: #EC7014; }","  [value > 5] { marker-fill: #CC4C02; }","  [value > 6] { marker-fill: #993404; }","  [value > 7] { marker-fill: #662506; }","}"].join("\n");r.prototype={setCanvas:function(e){this._canvas=e,this._ctx=e.getContext("2d")},setCartoCSS:function(e){this.setShader((new carto.RendererJS).render(e))},setShader:function(e){this._sprites=[],this._shader=e},clearSpriteCache:function(){this._sprites=[]},generateSprite:function(e,t,n){var r=Profiler.metric("PointRenderer:generateSprite").start(),i=e.getStyle("canvas-2d",{value:t},n),s=i["point-radius"];if(!s)throw new Error("marker-width property should be set");var o=(i.lineWidth||0)+s*2,u=document.createElement("canvas"),a=u.getContext("2d");a.width=u.width=Math.ceil(o),a.height=u.height=Math.ceil(o),a.translate(o/2,o/2);if(i["point-file"]||i["marker-file"])torque.cartocss.renderSprite(a,i);else{var f=i["marker-type"];f&&f==="rectangle"?torque.cartocss.renderRectangle(a,i):torque.cartocss.renderPoint(a,i)}return r.end(),u},renderTile:function(e,t){var n=this._shader.getLayers();for(var r=0,i=n.length;r<i;++r){var s=n[r];if(s.name()!=="Map"){var o=this._sprites[r]||(this._sprites[r]={});for(var u=0;u<s.frames().length;++u){var a=s.frames()[u],f=o[a]||(o[a]=[]);this._renderTile(e,t-a,a,f,s)}}}},_renderTile:function(e,t,n,r,i,s){if(!this._canvas)return;var o=Profiler.metric("PointRenderer:renderTile").start(),u=this._ctx,a=i.eval("comp-op")||this.options.blendmode;a&&(u.globalCompositeOperation=a),this.options.cumulative&&t>e.maxDate&&(t=e.maxDate);var f=this.options.resolution*(256/this.options.resolution-1),l=e.timeCount[t];if(l){var c=e.timeIndex[t];for(var h=0;h<l;++h){var p=e.renderDataPos[c+h],d=e.renderData[c+h];if(d){var v=r[d];v||(v=r[d]=this.generateSprite(i,d,_.extend({zoom:e.z,"frame-offset":n},s)));var m=e.x[p]-(v.width>>1),g=f-e.y[p];u.drawImage(v,m,g-(v.height>>1))}}}o.end()},setBlendMode:function(e){this.options.blendmode=e}},e.torque.renderer.Point=r}(typeof exports=="undefined"?this:exports),function(e){function r(e,n){this.options=n,carto.tree.Reference.set(torque["torque-reference"]),this.setCanvas(e),this.setCartoCSS(this.options.cartocss||t)}e.torque=e.torque||{},e.torque.renderer=e.torque.renderer||{};var t=["#layer {","  polygon-fill: #FFFF00;","  [value > 10] { polygon-fill: #FFFF00; }","  [value > 100] { polygon-fill: #FFCC00; }","  [value > 1000] { polygon-fill: #FE9929; }","  [value > 10000] { polygon-fill: #FF6600; }","  [value > 100000] { polygon-fill: #FF3300; }","}"].join("\n"),n=Math.PI*2;r.prototype={setCartoCSS:function(e){this._cartoCssStyle=(new carto.RendererJS).render(e);if(this._cartoCssStyle.getLayers().length>1)throw new Error("only one CartoCSS layer is supported");this._shader=this._cartoCssStyle.getLayers()[0].shader},setCanvas:function(e){if(!e)return;this._canvas=e,this._ctx=e.getContext("2d")},accumulate:function(e,t){var n=Profiler.metric("RectangleRender:accumulate").start(),r,i,s,o,u,a,f,l,c=this.options.resolution,h=256/c,p=new Float32Array(h*h);typeof t!="object"&&(t=[t]);for(u=0;u<t.length;++u){a=t[u],f=e.timeCount[a];if(f){l=e.timeIndex[a];for(o=0;o<f;++o)s=e.renderData