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){cancelTimeout(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"]}},symbolizers:{"*":{"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"]},opacity:{css:"opacity",type:"float",doc:"An alpha value for the style (which means an alpha applied to all features in separate buffer and then composited back to main buffer)","default-value":1,"default-meaning":"no separate buffer will be used and no alpha will be applied to the style after rendering"}},trail:{steps:{css:"trail-steps",type:"float","default-value":1,"default-meaning":"no trail steps",doc:"How many steps of trails are going to be rendered"}},polygon:{fill:{css:"polygon-fill",type:"color","default-value":"rgba(128,128,128,1)","default-meaning":"gray and fully opaque (alpha = 1), same as rgb(128,128,128)",doc:"Fill color to assign to a polygon"},"fill-opacity":{css:"polygon-opacity",type:"float",doc:"The opacity of the polygon","default-value":1,"default-meaning":"opaque"}},line:{stroke:{css:"line-color","default-value":"rgba(0,0,0,1)",type:"color","default-meaning":"black and fully opaque (alpha = 1), same as rgb(0,0,0)",doc:"The color of a drawn line"},"stroke-width":{css:"line-width","default-value":1,type:"float",doc:"The width of a line in pixels"},"stroke-opacity":{css:"line-opacity","default-value":1,type:"float","default-meaning":"opaque",doc:"The opacity of a line"},"stroke-linejoin":{css:"line-join","default-value":"miter",type:["miter","round","bevel"],doc:"The behavior of lines when joining"},"stroke-linecap":{css:"line-cap","default-value"
.tileSize,r=1<<t,i=new google.maps.LatLng(e.getNorthEast().lat(),e.getSouthWest().lng()),s=new google.maps.LatLng(e.getSouthWest().lat(),e.getNorthEast().lng());this._projection=this._map.getProjection();var o=this._projection.fromLatLngToPoint(i),u=this._projection.fromLatLngToPoint(s),a=new google.maps.Point(Math.floor(o.x*r/n),Math.floor(o.y*r/n)),f=new google.maps.Point(Math.floor(u.x*r/n),Math.floor(u.y*r/n));this._addTilesFromCenterOut(a,f),this._removeOtherTiles(a,f)},_removeOtherTiles:function(e,t){var n,r,i,s,o=this._map.getZoom();for(s in this._tiles)this._tiles.hasOwnProperty(s)&&(n=s.split(":"),r=parseInt(n[0],10),i=parseInt(n[1],10),z=parseInt(n[2],10),(z!==o||r<e.x||r>t.x||i<e.y||i>t.y)&&this._removeTile(s))},_removeTile:function(e){this.onTileRemoved&&this.onTileRemoved(this._tiles[e]),delete this._tiles[e]},_tileShouldBeLoaded:function(e){return!(e.x+":"+e.y+":"+e.zoom in this._tiles)},_tileLoaded:function(e,t){this._tilesToLoad--,this._tiles[e.x+":"+e.y+":"+e.zoom]=t,this._tilesToLoad===0&&this.onTilesLoaded&&this.onTilesLoaded()},getTilePos:function(e){var t=1<<this._map.getZoom();e={x:(e.x%t+t)%t,y:e.y},e=new google.maps.Point(e.x*this.tileSize,e.y*this.tileSize);var n=this._map.getBounds(),r=new google.maps.LatLng(n.getNorthEast().lat(),n.getSouthWest().lng()),i=this._map.getProjection().fromLatLngToPoint(r);return zoom=1<<this._map.getZoom(),i.x=i.x*zoom,i.y=i.y*zoom,new google.maps.Point(e.x-i.x,e.y-i.y)},_addTilesFromCenterOut:function(e,t){function f(e){var t=e.x-r.x,n=e.y-r.y;return t*t+n*n}var n=[],r=new google.maps.Point((e.x+t.x)*.5,(e.y+t.y)*.5),i=this._map.getZoom(),s,o,u;for(s=e.y;s<=t.y;s++)for(o=e.x;o<=t.x;o++)u=new google.maps.Point(o,s),u.zoom=i,this._tileShouldBeLoaded(u)&&n.push(u);var a=n.length;if(a===0)return;n.sort(function(e,t){return f(e)-f(t)}),this._tilesToLoad+=a;if(this.onTileAdded)for(o=0;o<a;o++)this.onTileAdded(n[o])}},torque.GMapsTileLoader=t})(typeof exports=="undefined"?this:exports),function(e){function t(e){var t=this;if(!torque.isBrowserSupported())throw new Error("browser is not supported by torque");this.key=0,this.cartocss=null,this.ready=!1,this.options=_.extend({},e),_.defaults(this.options,{provider:"sql_api",renderer:"point",resolution:2,steps:100,visible:!0}),this.animator=new torque.Animator(function(e){var n=e|0;t.key!==n&&t.setKey(n)},this.options),this.play=this.animator.start.bind(this.animator),this.stop=this.animator.stop.bind(this.animator),this.pause=this.animator.pause.bind(this.animator),this.toggle=this.animator.toggle.bind(this.animator),this.setDuration=this.animator.duration.bind(this.animator),this.isRunning=this.animator.isRunning.bind(this.animator),CanvasLayer.call(this,{map:this.options.map,animate:!1,updateHandler:this.render,readyHandler:this.initialize})}function n(e){this.options=_.extend({},e),CanvasTileLayer.call(this,this._loadTile.bind(this),this.drawTile.bind(this)),this.initialize(e)}if(typeof google=="undefined"||typeof google.maps=="undefined")return;t.prototype=_.extend({},CanvasLayer.prototype,torque.GMapsTileLoader.prototype,torque.Event,{providers:{sql_api:torque.providers.json,url_template:torque.providers.jsonarray},renderers:{point:torque.renderer.Point,pixel:torque.renderer.Rectangle},initialize:function(){var e=this;this.onTileAdded=this.onTileAdded.bind(this),this.hidden=!this.options.visible,this.options.ready=function(){e.fire("change:bounds",{bounds:e.provider.getBounds()}),e.animator.rescale(),e.setKey(e.key)},this.provider=new this.providers[this.options.provider](this.options),this.renderer=new this.renderers[this.options.renderer](this.getCanvas(),this.options),this._initTileLoader(this.options.map,this.getProjection()),this.cartocss&&this.renderer.setCartoCSS(this.cartocss)},hide:function(){return this.hidden?this:(this.pause(),this.clear(),this.hidden=!0,this)},show:function(){return this.hidden?(this.hidden=!1,this.play(),this):this},setSQL:function(e){if(!this.provider||!this.provider.setSQL)throw new Error("this provider does not support SQL");return this.provider.setSQL(e),this._reloadTiles(),this},setB