modestmaps.min.js

var previousMM=MM;if(!com){var com={};if(!com.modestmaps)com.modestmaps={}}var MM=com.modestmaps={noConflict:function(){MM=previousMM;return this}};(function(MM){MM.extend=function(child,parent){for(var property in parent.prototype){if(typeof child.prototype[property]=="undefined"){child.prototype[property]=parent.prototype[property]}}return child};MM.getFrame=function(){return function(callback){(window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(callback){window.setTimeout(function(){callback(+new Date)},10)})(callback)}}();MM.transformProperty=function(props){if(!this.document)return;var style=document.documentElement.style;for(var i=0;i<props.length;i++){if(props[i]in style){return props[i]}}return false}(["transform","WebkitTransform","OTransform","MozTransform","msTransform"]);MM.matrixString=function(point){if(point.scale*point.width%1){point.scale+=(1-point.scale*point.width%1)/point.width}var scale=point.scale||1;if(MM._browser.webkit3d){return"translate3d("+point.x.toFixed(0)+"px,"+point.y.toFixed(0)+"px, 0px)"+"scale3d("+scale+","+scale+", 1)"}else{return"translate("+point.x.toFixed(6)+"px,"+point.y.toFixed(6)+"px)"+"scale("+scale+","+scale+")"}};MM._browser=function(window){return{webkit:"WebKitCSSMatrix"in window,webkit3d:"WebKitCSSMatrix"in window&&"m11"in new WebKitCSSMatrix}}(this);MM.moveElement=function(el,point){if(MM.transformProperty){if(!point.scale)point.scale=1;if(!point.width)point.width=0;if(!point.height)point.height=0;var ms=MM.matrixString(point);if(el[MM.transformProperty]!==ms){el.style[MM.transformProperty]=el[MM.transformProperty]=ms}}else{el.style.left=point.x+"px";el.style.top=point.y+"px";if(point.width&&point.height&&point.scale){el.style.width=Math.ceil(point.width*point.scale)+"px";el.style.height=Math.ceil(point.height*point.scale)+"px"}}};MM.cancelEvent=function(e){e.cancelBubble=true;e.cancel=true;e.returnValue=false;if(e.stopPropagation){e.stopPropagation()}if(e.preventDefault){e.preventDefault()}return false};MM.coerceLayer=function(layerish){if(typeof layerish=="string"){return new MM.Layer(new MM.TemplatedLayer(layerish))}else if("draw"in layerish&&typeof layerish.draw=="function"){return layerish}else{return new MM.Layer(layerish)}};MM.addEvent=function(obj,type,fn){if(obj.addEventListener){obj.addEventListener(type,fn,false);if(type=="mousewheel"){obj.addEventListener("DOMMouseScroll",fn,false)}}else if(obj.attachEvent){obj["e"+type+fn]=fn;obj[type+fn]=function(){obj["e"+type+fn](window.event)};obj.attachEvent("on"+type,obj[type+fn])}};MM.removeEvent=function(obj,type,fn){if(obj.removeEventListener){obj.removeEventListener(type,fn,false);if(type=="mousewheel"){obj.removeEventListener("DOMMouseScroll",fn,false)}}else if(obj.detachEvent){obj.detachEvent("on"+type,obj[type+fn]);obj[type+fn]=null}};MM.getStyle=function(el,styleProp){if(el.currentStyle)return el.currentStyle[styleProp];else if(window.getComputedStyle)return document.defaultView.getComputedStyle(el,null).getPropertyValue(styleProp)};MM.Point=function(x,y){this.x=parseFloat(x);this.y=parseFloat(y)};MM.Point.prototype={x:0,y:0,toString:function(){return"("+this.x.toFixed(3)+", "+this.y.toFixed(3)+")"},copy:function(){return new MM.Point(this.x,this.y)}};MM.Point.distance=function(p1,p2){return Math.sqrt(Math.pow(p2.x-p1.x,2)+Math.pow(p2.y-p1.y,2))};MM.Point.interpolate=function(p1,p2,t){return new MM.Point(p1.x+(p2.x-p1.x)*t,p1.y+(p2.y-p1.y)*t)};MM.Coordinate=function(row,column,zoom){this.row=row;this.column=column;this.zoom=zoom};MM.Coordinate.prototype={row:0,column:0,zoom:0,toString:function(){return"("+this.row.toFixed(3)+", "+this.column.toFixed(3)+" @"+this.zoom.toFixed(3)+")"},toKey:function(){return this.zoom+","+this.row+","+this.column},copy:function(){return new MM.Coordinate(this.row,this.column,this.zoom)},container:function(){return new MM.Coordinate(Math.floor(this.row),Math.floor(this.column),Math.floor(this.zoom))},zoomTo:function(destination){var power=Math.pow(2,destination-this.zoom);return new MM.Coordinate(this.row*power,this.column*power,destination)},zoomBy:function(distance){var power=Math.pow(2,distance);return new MM.Coordinate(this.row*power,this.column*power,this.zoom+distance)},up:function(dist){if(dist===undefined)dist=1;return new MM.Coordinate(this.row-dist,this.column,this.zoom)},right:function(dist){if(dist===undefined)dist=1;return new MM.Coordinate(this.row,this.column+dist,this.zoom)},down:function(dist){if(dist===undefined)dist=1;return new MM.Coordinate(this.row+dist,this.column,this.zoom)},left:function(dist){if(dist===undefined)dist=1;return new MM.Coordinate(this.row,this.column-dist,this.zoom)}};MM.Location=function(lat,lon){this.lat=parseFloat(lat);this.lon=parseFloat(lon)};MM.Location.prototype={lat:0,lon:0,toString:function(){return"("+this.lat.toFixed(3)+", "+this.lon.toFixed(3)+")"},copy:function(){return new MM.Location(this.lat,this.lon)}};MM.Location.distance=function(l1,l2,r){if(!r){r=6378e3}var deg2rad=Math.PI/180,a1=l1.lat*deg2rad,b1=l1.lon*deg2rad,a2=l2.lat*deg2rad,b2=l2.lon*deg2rad,c=Math.cos(a1)*Math.cos(b1)*Math.cos(a2)*Math.cos(b2),d=Math.cos(a1)*Math.sin(b1)*Math.cos(a2)*Math.sin(b2),e=Math.sin(a1)*Math.sin(a2);return Math.acos(c+d+e)*r};MM.Location.interpolate=function(l1,l2,f){if(l1.lat===l2.lat&&l1.lon===l2.lon){return new MM.Location(l1.lat,l1.lon)}var deg2rad=Math.PI/180,lat1=l1.lat*deg2rad,lon1=l1.lon*deg2rad,lat2=l2.lat*deg2rad,lon2=l2.lon*deg2rad;var d=2*Math.asin(Math.sqrt(Math.pow(Math.sin((lat1-lat2)*.5),2)+Math.cos(lat1)*Math.cos(lat2)*Math.pow(Math.sin((lon1-lon2)*.5),2)));var A=Math.sin((1-f)*d)/Math.sin(d);var B=Math.sin(f*d)/Math.sin(d);var x=A*Math.cos(lat1)*Math.cos(lon1)+B*Math.cos(lat2)*Math.cos(lon2);var y=A*Math.cos(lat1)*Math.sin(lon1)+B*Math.cos(lat2)*Math.sin(lon2);var z=A*Math.sin(lat1)+B*Math.sin(lat2);var latN=Math.atan2(z,Math.sqrt(Math.pow(x,2)+Math.pow(y,2)));var lonN=Math.atan2(y,x);return new MM.Location(latN/deg2rad,lonN/deg2rad)};MM.Location.bearing=function(l1,l2){var deg2rad=Math.PI/180,lat1=l1.lat*deg2rad,lon1=l1.lon*deg2rad,lat2=l2.lat*deg2rad,lon2=l2.lon*deg2rad;var result=Math.atan2(Math.sin(lon1-lon2)*Math.cos(lat2),Math.cos(lat1)*Math.sin(lat2)-Math.sin(lat1)*Math.cos(lat2)*Math.cos(lon1-lon2))/-(Math.PI/180);return result<0?result+360:result};MM.Extent=function(north,west,south,east){if(north instanceof MM.Location&&west instanceof MM.Location){var northwest=north,southeast=west;north=northwest.lat;west=northwest.lon;south=southeast.lat;east=southeast.lon}if(isNaN(south))south=north;if(isNaN(east))east=west;this.north=Math.max(north,south);this.south=Math.min(north,south);this.east=Math.max(east,west);this.west=Math.min(east,west)};MM.Extent.prototype={north:0,south:0,east:0,west:0,copy:function(){return new MM.Extent(this.north,this.west,this.south,this.east)},toString:function(precision){if(isNaN(precision))precision=3;return[this.north.toFixed(precision),this.west.toFixed(precision),this.south.toFixed(precision),this.east.toFixed(precision)].join(", ")},northWest:function(){return new MM.Location(this.north,this.west)},southEast:function(){return new MM.Location(this.south,this.east)},northEast:function(){return new MM.Location(this.north,this.east)},southWest:function(){return new MM.Location(this.south,this.west)},center:function(){return new MM.Location(this.south+(this.north-this.south)*.5,this.east+(this.west-this.east)*.5)},encloseLocation:function(loc){if(loc.lat>this.north)this.north=loc.lat;if(loc.lat<this.south)this.south=loc.lat;if(loc.lon>this.east)this.east=loc.lon;if(loc.lon<this.west)this.west=loc.lon},encloseLocations:function(locations){var len=locations.length;for(var i=0;i<len;i++){this.encloseLocation(locations[i])}},setFromLocations:function(locations){var len=locations.length,first=locations[0];this.north=this.south=first.lat;this.east=this.west=first.lon;for(var i=1;i<len;i++){this.encloseLocation(locations[i])}},encloseExtent:function(extent){if(extent.north>this.north)this.north=extent.north;if(extent.south<this.south)this.south=extent.south;if(extent.east>this.east)this.east=extent.east;if(extent.west<this.west)this.west=extent.west},containsLocation:function(loc){return loc.lat>=this.south&&loc.lat<=this.north&&loc.lon>=this.west&&loc.lon<=this.east},toArray:function(){return[this.northWest(),this.southEast()]}};MM.Extent.fromString=function(str){var parts=str.split(/\s*,\s*/);if(parts.length!=4){throw"Invalid extent string (expecting 4 comma-separated numbers)"}return new MM.Extent(parseFloat(parts[0]),parseFloat(parts[1]),parseFloat(parts[2]),parseFloat(parts[3]))};MM.Extent.fromArray=function(locations){var extent=new MM.Extent;extent.setFromLocations(locations);return extent};MM.Transformation=function(ax,bx,cx,ay,by,cy){this.ax=ax;this.bx=bx;this.cx=cx;this.ay=ay;this.by=by;this.cy=cy};MM.Transformation.prototype={ax:0,bx:0,cx:0,ay:0,by:0,cy:0,transform:function(point){return new MM.Point(this.ax*point.x+this.bx*point.y+this.cx,this.ay*point.x+this.by*point.y+this.cy)},untransform:function(point){return new MM.Point((point.x*this.by-point.y*this.bx-this.cx*this.by+this.cy*this.bx)/(this.ax*this.by-this.ay*this.bx),(point.x*this.ay-point.y*this.ax-this.cx*this.ay+this.cy*this.ax)/(this.bx*this.ay-this.by*this.ax))}};MM.deriveTransformation=function(a1x,a1y,a2x,a2y,b1x,b1y,b2x,b2y,c1x,c1y,c2x,c2y){var x=MM.linearSolution(a1x,a1y,a2x,b1x,b1y,b2x,c1x,c1y,c2x);var y=MM.linearSolution(a1x,a1y,a2y,b1x,b1y,b2y,c1x,c1y,c2y);return new MM.Transformation(x[0],x[1],x[2],y[0],y[1],y[2])};MM.linearSolution=function(r1,s1,t1,r2,s2,t2,r3,s3,t3){r1=parseFloat(r1);s1=parseFloat(s1);t1=parseFloat(t1);r2=parseFloat(r2);s2=parseFloat(s2);t2=parseFloat(t2);r3=parseFloat(r3);s3=parseFloat(s3);t3=parseFloat(t3);var a=((t2-t3)*(s1-s2)-(t1-t2)*(s2-s3))/((r2-r3)*(s1-s2)-(r1-r2)*(s2-s3));var b=((t2-t3)*(r1-r2)-(t1-t2)*(r2-r3))/((s2-s3)*(r1-r2)-(s1-s2)*(r2-r3));var c=t1-r1*a-s1*b;return[a,b,c]};MM.Projection=function(zoom,transformation){if(!transformation){transformation=new MM.Transformation(1,0,0,0,1,0)}this.zoom=zoom;this.transformation=transformation};MM.Projection.prototype={zoom:0,transformation:null,rawProject:function(point){throw"Abstract method not implemented by subclass."},rawUnproject:function(point){throw"Abstract method not implemented by subclass."},project:function(point){point=this.rawProject(point);if(this.transformation){point=this.transformation.transform(point)}return point},unproject:function(point){if(this.transformation){point=this.transformation.untransform(point)}point=this.rawUnproject(point);return point},locationCoordinate:function(location){var point=new MM.Point(Math.PI*location.lon/180,Math.PI*location.lat/180);point=this.project(point);return new MM.Coordinate(point.y,point.x,this.zoom)},coordinateLocation:function(coordinate){coordinate=coordinate.zoomTo(this.zoom);var point=new MM.Point(coordinate.column,coordinate.row);point=this.unproject(point);return new MM.Location(180*point.y/Math.PI,180*point.x/Math.PI)}};MM.LinearProjection=function(zoom,transformation){MM.Projection.call(this,zoom,transformation)};MM.LinearProjection.prototype={rawProject:function(point){return new MM.Point(point.x,point.y)},rawUnproject:function(point){return new MM.Point(point.x,point.y)}};MM.extend(MM.LinearProjection,MM.Projection);MM.MercatorProjection=function(zoom,transformation){MM.Projection.call(this,zoom,transformation)};MM.MercatorProjection.prototype={rawProject:function(point){return new MM.Point(point.x,Math.log(Math.tan(.25*Math.PI+.5*point.y)))},rawUnproject:function(point){return new MM.Point(point.x,2*Math.atan(Math.pow(Math.E,point.y))-.5*Math.PI)}};MM.extend(MM.MercatorProjection,MM.Projection);MM.MapProvider=function(getTile){if(getTile){this.getTile=getTile}};MM.MapProvider.prototype={tileLimits:[new MM.Coordinate(0,0,0),new MM.Coordinate(1,1,0).zoomTo(18)],getTileUrl:function(coordinate){throw"Abstract method not implemented by subclass."},getTile:function(coordinate){throw"Abstract method not implemented by subclass."},releaseTile:function(element){},setZoomRange:function(minZoom,maxZoom){this.tileLimits[0]=this.tileLimits[0].zoomTo(minZoom);this.tileLimits[1]=this.tileLimits[1].zoomTo(maxZoom)},sourceCoordinate:function(coord){var TL=this.tileLimits[0].zoomTo(coord.zoom).container(),BR=this.tileLimits[1].zoomTo(coord.zoom),columnSize=Math.pow(2,coord.zoom),wrappedColumn;BR=new MM.Coordinate(Math.ceil(BR.row),Math.ceil(BR.column),Math.floor(BR.zoom));if(coord.column<0){wrappedColumn=(coord.column%columnSize+columnSize)%columnSize}else{wrappedColumn=coord.column%columnSize}if(coord.row<TL.row||coord.row>=BR.row){return null}else if(wrappedColumn<TL.column||wrappedColumn>=BR.column){return null}else{return new MM.Coordinate(coord.row,wrappedColumn,coord.zoom)}}};MM.Template=function(template,subdomains){var isQuadKey=template.match(/{(Q|quadkey)}/);if(isQuadKey)template=template.replace("{subdomain}","{S}").replace("{zoom}","{Z}").replace("{quadkey}","{Q}");var hasSubdomains=subdomains&&subdomains.length&&template.indexOf("{S}")>=0;function quadKey(row,column,zoom){var key="";for(var i=1;i<=zoom;i++){key+=(row>>zoom-i&1)<<1|column>>zoom-i&1}return key||"0"}var getTileUrl=function(coordinate){var coord=this.sourceCoordinate(coordinate);if(!coord){return null}var base=template;if(hasSubdomains){var index=parseInt(coord.zoom+coord.row+coord.column,10)%subdomains.length;base=base.replace("{S}",subdomains[index])}if(isQuadKey){return base.replace("{Z}",coord.zoom.toFixed(0)).replace("{Q}",quadKey(coord.row,coord.column,coord.zoom))}else{return base.replace("{Z}",coord.zoom.toFixed(0)).replace("{X}",coord.column.toFixed(0)).replace("{Y}",coord.row.toFixed(0))}};MM.MapProvider.call(this,getTileUrl)};MM.Template.prototype={getTile:function(coord){return this.getTileUrl(coord)}};MM.extend(MM.Template,MM.MapProvider);MM.TemplatedLayer=function(template,subdomains,name){return new MM.Layer(new MM.Template(template,subdomains),null,name)};MM.getMousePoint=function(e,map){var point=new MM.Point(e.clientX,e.clientY);point.x+=document.body.scrollLeft+document.documentElement.scrollLeft;point.y+=document.body.scrollTop+document.documentElement.scrollTop;for(var node=map.parent;node;node=node.offsetParent){point.x-=node.offsetLeft;point.y-=node.offsetTop}return point};MM.MouseWheelHandler=function(){var handler={id:"MouseWheelHandler"},map,_zoomDiv,prevTime,precise=false;function mouseWheel(e){var delta=0;prevTime=prevTime||(new Date).getTime();try{_zoomDiv.scrollTop=1e3;_zoomDiv.dispatchEvent(e);delta=1e3-_zoomDiv.scrollTop}catch(error){delta=e.wheelDelta||-e.detail*5}var timeSince=(new Date).getTime()-prevTime;var point=MM.getMousePoint(e,map);if(Math.abs(delta)>0&&timeSince>200&&!precise){map.zoomByAbout(delta>0?1:-1,point);prevTime=(new Date).getTime()}else if(precise){map.zoomByAbout(delta*.001,point)}return MM.cancelEvent(e)}handler.init=function(x){map=x;_zoomDiv=document.body.appendChild(document.createElement("div"));_zoomDiv.style.cssText="visibility:hidden;top:0;height:0;width:0;overflow-y:scroll";var innerDiv=_zoomDiv.appendChild(document.createElement("div"));innerDiv.style.height="2000px";MM.addEvent(map.parent,"mousewheel",mouseWheel);return handler};handler.precise=function(x){if(!arguments.length)return precise;precise=x;return handler};handler.remove=function(){MM.removeEvent(map.parent,"mousewheel",mouseWheel);_zoomDiv.parentNode.removeChild(_zoomDiv)};return handler};MM.DoubleClickHandler=function(){var handler={id:"DoubleClickHandler"},map;function doubleClick(e){var point=MM.getMousePoint(e,map);map.zoomByAbout(e.shiftKey?-1:1,point);return MM.cancelEvent(e)}handler.init=function(x){map=x;MM.addEvent(map.parent,"dblclick",doubleClick);return handler};handler.remove=function(){MM.removeEvent(map.parent,"dblclick",doubleClick)};return handler};MM.DragHandler=function(){var handler={id:"DragHandler"},prevMouse,map;function mouseDown(e){if(e.shiftKey||e.button==2)return;MM.addEvent(document,"mouseup",mouseUp);MM.addEvent(document,"mousemove",mouseMove);prevMouse=new MM.Point(e.clientX,e.clientY);map.parent.style.cursor="move";return MM.cancelEvent(e)}function mouseUp(e){MM.removeEvent(document,"mouseup",mouseUp);MM.removeEvent(document,"mousemove",mouseMove);prevMouse=null;map.parent.style.cursor="";return MM.cancelEvent(e)}function mouseMove(e){if(prevMouse){map.panBy(e.clientX-prevMouse.x,e.clientY-prevMouse.y);prevMouse.x=e.clientX;prevMouse.y=e.clientY;prevMouse.t=+new Date}return MM.cancelEvent(e)}handler.init=function(x){map=x;MM.addEvent(map.parent,"mousedown",mouseDown);return handler};handler.remove=function(){MM.removeEvent(map.parent,"mousedown",mouseDown)};return handler};MM.MouseHandler=function(){var handler={id:"MouseHandler",handlers:[]},map;handler.init=function(x){map=x;handler.handlers=[MM.DragHandler().init(map),MM.DoubleClickHandler().init(map),MM.MouseWheelHandler().init(map)];return handler};handler.remove=function(){for(var i=0;i<handler.handlers.length;i++){handler.handlers[i].remove()}handler.handlers=[];return handler};return handler};MM.TouchHandler=function(){var handler={id:"TouchHandler"},map,maxTapTime=250,maxTapDistance=30,maxDoubleTapDelay=350,locations={},taps=[],snapToZoom=true,wasPinching=false,lastPinchCenter=null;function isTouchable(){var el=document.createElement("div");el.setAttribute("ongesturestart","return;");return typeof el.ongesturestart==="function"}function updateTouches(e){for(var i=0;i<e.touches.length;i+=1){var t=e.touches[i];if(t.identifier in locations){var l=locations[t.identifier];l.x=t.clientX;l.y=t.clientY;l.scale=e.scale}else{locations[t.identifier]={scale:e.scale,startPos:{x:t.clientX,y:t.clientY},x:t.clientX,y:t.clientY,time:(new Date).getTime()}}}}function sameTouch(event,touch){return event&&event.touch&&touch.identifier==event.touch.identifier}function touchStart(e){updateTouches(e)}function touchMove(e){switch(e.touches.length){case 1:onPanning(e.touches[0]);break;case 2:onPinching(e);break}updateTouches(e);return MM.cancelEvent(e)}function touchEnd(e){var now=(new Date).getTime();if(e.touches.length===0&&wasPinching){onPinched(lastPinchCenter)}for(var i=0;i<e.changedTouches.length;i+=1){var t=e.changedTouches[i],loc=locations[t.identifier];if(!loc||loc.wasPinch){continue}var pos={x:t.clientX,y:t.clientY},time=now-loc.time,travel=MM.Point.distance(pos,loc.startPos);if(travel>maxTapDistance){}else if(time>maxTapTime){pos.end=now;pos.duration=time;onHold(pos)}else{pos.time=now;onTap(pos)}}var validTouchIds={};for(var j=0;j<e.touches.length;j++){validTouchIds[e.touches[j].identifier]=true}for(var id in locations){if(!(id in validTouchIds)){delete validTouchIds[id]}}return MM.cancelEvent(e)}function onHold(hold){}function onTap(tap){if(taps.length&&tap.time-taps[0].time<maxDoubleTapDelay){onDoubleTap(tap);taps=[];return}taps=[tap]}function onDoubleTap(tap){var z=map.getZoom(),tz=Math.round(z)+1,dz=tz-z;var p=new MM.Point(tap.x,tap.y);map.zoomByAbout(dz,p)}function onPanning(touch){var pos={x:touch.clientX,y:touch.clientY},prev=locations[touch.identifier];map.panBy(pos.x-prev.x,pos.y-prev.y)}function onPinching(e){var t0=e.touches[0],t1=e.touches[1],p0=new MM.Point(t0.clientX,t0.clientY),p1=new MM.Point(t1.clientX,t1.clientY),l0=locations[t0.identifier],l1=locations[t1.identifier];l0.wasPinch=true;l1.wasPinch=true;var center=MM.Point.interpolate(p0,p1,.5);map.zoomByAbout(Math.log(e.scale)/Math.LN2-Math.log(l0.scale)/Math.LN2,center);var prevCenter=MM.Point.interpolate(l0,l1,.5);map.panBy(center.x-prevCenter.x,center.y-prevCenter.y);wasPinching=true;lastPinchCenter=center}function onPinched(p){if(snapToZoom){var z=map.getZoom(),tz=Math.round(z);map.zoomByAbout(tz-z,p)}wasPinching=false}handler.init=function(x){map=x;if(!isTouchable())return handler;MM.addEvent(map.parent,"touchstart",touchStart);MM.addEvent(map.parent,"touchmove",touchMove);MM.addEvent(map.parent,"touchend",touchEnd);return handler};handler.remove=function(){if(!isTouchable())return handler;MM.removeEvent(map.parent,"touchstart",touchStart);MM.removeEvent(map.parent,"touchmove",touchMove);MM.removeEvent(map.parent,"touchend",touchEnd);return handler};return handler};MM.CallbackManager=function(owner,events){this.owner=owner;this.callbacks={};for(var i=0;i<events.length;i++){this.callbacks[events[i]]=[]}};MM.CallbackManager.prototype={owner:null,callbacks:null,addCallback:function(event,callback){if(typeof callback=="function"&&this.callbacks[event]){this.callbacks[event].push(callback)}},removeCallback:function(event,callback){if(typeof callback=="function"&&this.callbacks[event]){var cbs=this.callbacks[event],len=cbs.length;for(var i=0;i<len;i++){if(cbs[i]===callback){cbs.splice(i,1);break}}}},dispatchCallback:function(event,message){if(this.callbacks[event]){for(var i=0;i<this.callbacks[event].length;i+=1){try{this.callbacks[event][i](this.owner,message)}catch(e){}}}}};MM.RequestManager=function(){this.loadingBay=document.createDocumentFragment();this.requestsById={};this.openRequestCount=0;this.maxOpenRequests=4;this.requestQueue=[];this.callbackManager=new MM.CallbackManager(this,["requestcomplete","requesterror"])};MM.RequestManager.prototype={loadingBay:null,requestsById:null,requestQueue:null,openRequestCount:null,maxOpenRequests:null,callbackManager:null,addCallback:function(event,callback){this.callbackManager.addCallback(event,callback)},removeCallback:function(event,callback){this.callbackManager.removeCallback(event,callback)},dispatchCallback:function(event,message){this.callbackManager.dispatchCallback(event,message)},clear:function(){this.clearExcept({})},clearRequest:function(id){if(id in this.requestsById){delete this.requestsById[id]}for(var i=0;i<this.requestQueue.length;i++){var request=this.requestQueue[i];if(request&&request.id==id){this.requestQueue[i]=null}}},clearExcept:function(validIds){for(var i=0;i<this.requestQueue.length;i++){var request=this.requestQueue[i];if(request&&!(request.id in validIds)){this.requestQueue[i]=null}}var openRequests=this.loadingBay.childNodes;for(var j=openRequests.length-1;j>=0;j--){var img=openRequests[j];if(!(img.id in validIds)){this.loadingBay.removeChild(img);this.openRequestCount--;img.src=img.coord=img.onload=img.onerror=null}}for(var id in this.requestsById){if(!(id in validIds)){if(this.requestsById.hasOwnProperty(id)){var requestToRemove=this.requestsById[id];delete this.requestsById[id];if(requestToRemove!==null){requestToRemove=requestToRemove.id=requestToRemove.coord=requestToRemove.url=null}}}}},hasRequest:function(id){return id in this.requestsById},requestTile:function(id,coord,url){if(!(id in this.requestsById)){var request={id:id,coord:coord.copy(),url:url};this.requestsById[id]=request;if(url){this.requestQueue.push(request)}}},getProcessQueue:function(){if(!this._processQueue){var theManager=this;this._processQueue=function(){theManager.processQueue()}}return this._processQueue},processQueue:function(sortFunc){if(sortFunc&&this.requestQueue.length>8){this.requestQueue.sort(sortFunc)}while(this.openRequestCount<this.maxOpenRequests&&this.requestQueue.length>0){var request=this.requestQueue.pop();if(request){this.openRequestCount++;var img=document.createElement("img");img.id=request.id;img.style.position="absolute";img.coord=request.coord;this.loadingBay.appendChild(img);img.onload=img.onerror=this.getLoadComplete();img.src=request.url;request=request.id=request.coord=request.url=null}}},_loadComplete:null,getLoadComplete:function(){if(!this._loadComplete){var theManager=this;this._loadComplete=function(e){e=e||window.event;var img=e.srcElement||e.target;img.onload=img.onerror=null;theManager.loadingBay.removeChild(img);theManager.openRequestCount--;delete theManager.requestsById[img.id];if(e.type==="load"&&(img.complete||img.readyState&&img.readyState=="complete")){theManager.dispatchCallback("requestcomplete",img)}else{theManager.dispatchCallback("requesterror",{element:img,url:""+img.src});img.src=null}setTimeout(theManager.getProcessQueue(),0)}}return this._loadComplete}};MM.Layer=function(provider,parent,name){this.parent=parent||document.createElement("div");this.parent.style.cssText="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; margin: 0; padding: 0; z-index: 0";this.name=name;this.levels={};this.requestManager=new MM.RequestManager;this.requestManager.addCallback("requestcomplete",this.getTileComplete());this.requestManager.addCallback("requesterror",this.getTileError());if(provider)this.setProvider(provider)};MM.Layer.prototype={map:null,parent:null,name:null,enabled:true,tiles:null,levels:null,requestManager:null,provider:null,_tileComplete:null,getTileComplete:function(){if(!this._tileComplete){var theLayer=this;this._tileComplete=function(manager,tile){theLayer.tiles[tile.id]=tile;theLayer.positionTile(tile);tile.style.visibility="inherit";tile.className="map-tile-loaded"}}return this._tileComplete},getTileError:function(){if(!this._tileError){var theLayer=this;this._tileError=function(manager,tile){tile.onload=tile.onerror=null;theLayer.tiles[tile.element.id]=tile.element;theLayer.positionTile(tile.element);tile.element.style.visibility="hidden"}}return this._tileError},draw:function(){if(!this.enabled||!this.map)return;var theCoord=this.map.coordinate.zoomTo(Math.round(this.map.coordinate.zoom));function centerDistanceCompare(r1,r2){if(r1&&r2){var c1=r1.coord;var c2=r2.coord;if(c1.zoom==c2.zoom){var ds1=Math.abs(theCoord.row-c1.row-.5)+Math.abs(theCoord.column-c1.column-.5);var ds2=Math.abs(theCoord.row-c2.row-.5)+Math.abs(theCoord.column-c2.column-.5);return ds1<ds2?1:ds1>ds2?-1:0}else{return c1.zoom<c2.zoom?1:c1.zoom>c2.zoom?-1:0}}return r1?1:r2?-1:0}var baseZoom=Math.round(this.map.coordinate.zoom);var startCoord=this.map.pointCoordinate(new MM.Point(0,0)).zoomTo(baseZoom).container();var endCoord=this.map.pointCoordinate(this.map.dimensions).zoomTo(baseZoom).container().right().down();var validTileKeys={};var levelElement=this.createOrGetLevel(startCoord.zoom);var tileCoord=startCoord.copy();for(tileCoord.column=startCoord.column;tileCoord.column<endCoord.column;tileCoord.column++){for(tileCoord.row=startCoord.row;tileCoord.row<endCoord.row;tileCoord.row++){var validKeys=this.inventoryVisibleTile(levelElement,tileCoord);while(validKeys.length){validTileKeys[validKeys.pop()]=true}}}for(var name in this.levels){if(this.levels.hasOwnProperty(name)){var zoom=parseInt(name,10);if(zoom>=startCoord.zoom-5&&zoom<startCoord.zoom+2){continue}var level=this.levels[name];level.style.display="none";var visibleTiles=this.tileElementsInLevel(level);while(visibleTiles.length){this.provider.releaseTile(visibleTiles[0].coord);this.requestManager.clearRequest(visibleTiles[0].coord.toKey());level.removeChild(visibleTiles[0]);visibleTiles.shift()}}}var minLevel=startCoord.zoom-5;var maxLevel=startCoord.zoom+2;for(var z=minLevel;z<maxLevel;z++){this.adjustVisibleLevel(this.levels[z],z,validTileKeys)}this.requestManager.clearExcept(validTileKeys);this.requestManager.processQueue(centerDistanceCompare)},inventoryVisibleTile:function(layer_element,tile_coord){var tile_key=tile_coord.toKey(),valid_tile_keys=[tile_key];if(tile_key in this.tiles){var tile=this.tiles[tile_key];if(tile.parentNode!=layer_element){layer_element.appendChild(tile);if("reAddTile"in this.provider){this.provider.reAddTile(tile_key,tile_coord,tile)}}return valid_tile_keys}if(!this.requestManager.hasRequest(tile_key)){var tileToRequest=this.provider.getTile(tile_coord);if(typeof tileToRequest=="string"){this.addTileImage(tile_key,tile_coord,tileToRequest)}else if(tileToRequest){this.addTileElement(tile_key,tile_coord,tileToRequest)}}var tileCovered=false;var maxStepsOut=tile_coord.zoom;for(var pz=1;pz<=maxStepsOut;pz++){var parent_coord=tile_coord.zoomBy(-pz).container();var parent_key=parent_coord.toKey();if(parent_key in this.tiles){valid_tile_keys.push(parent_key);tileCovered=true;break}}if(!tileCovered){var child_coord=tile_coord.zoomBy(1);valid_tile_keys.push(child_coord.toKey());child_coord.column+=1;valid_tile_keys.push(child_coord.toKey());child_coord.row+=1;valid_tile_keys.push(child_coord.toKey());child_coord.column-=1;valid_tile_keys.push(child_coord.toKey())}return valid_tile_keys},tileElementsInLevel:function(level){var tiles=[];for(var tile=level.firstChild;tile;tile=tile.nextSibling){if(tile.nodeType==1){tiles.push(tile)}}return tiles},adjustVisibleLevel:function(level,zoom,valid_tile_keys){if(!level)return;var scale=1;var theCoord=this.map.coordinate.copy();if(level.childNodes.length>0){level.style.display="block";scale=Math.pow(2,this.map.coordinate.zoom-zoom);theCoord=theCoord.zoomTo(zoom)}else{level.style.display="none";return false}var tileWidth=this.map.tileSize.x*scale;var tileHeight=this.map.tileSize.y*scale;var center=new MM.Point(this.map.dimensions.x*.5,this.map.dimensions.y*.5);var tiles=this.tileElementsInLevel(level);while(tiles.length){var tile=tiles.pop();if(!valid_tile_keys[tile.id]){this.provider.releaseTile(tile.coord);this.requestManager.clearRequest(tile.coord.toKey());level.removeChild(tile)}else{MM.moveElement(tile,{x:Math.round(center.x+(tile.coord.column-theCoord.column)*tileWidth),y:Math.round(center.y+(tile.coord.row-theCoord.row)*tileHeight),scale:scale,width:this.map.tileSize.x,height:this.map.tileSize.y})}}},createOrGetLevel:function(zoom){if(zoom in this.levels){return this.levels[zoom]}var level=document.createElement("div");level.id=this.parent.id+"-zoom-"+zoom;level.style.cssText="position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; margin: 0; padding: 0;";level.style.zIndex=zoom;this.parent.appendChild(level);this.levels[zoom]=level;return level},addTileImage:function(key,coord,url){this.requestManager.requestTile(key,coord,url)},addTileElement:function(key,coordinate,element){element.id=key;element.coord=coordinate.copy();this.positionTile(element)},positionTile:function(tile){var theCoord=this.map.coordinate.zoomTo(tile.coord.zoom);tile.style.cssText="position:absolute;-webkit-user-select:none;"+"-webkit-user-drag:none;-moz-user-drag:none;-webkit-transform-origin:0 0;"+"-moz-transform-origin:0 0;-o-transform-origin:0 0;-ms-transform-origin:0 0;"+"width:"+this.map.tileSize.x+"px; height: "+this.map.tileSize.y+"px;";tile.ondragstart=function(){return false};var scale=Math.pow(2,this.map.coordinate.zoom-tile.coord.zoom);MM.moveElement(tile,{x:Math.round(this.map.dimensions.x*.5+(tile.coord.column-theCoord.column)*this.map.tileSize.x*scale),y:Math.round(this.map.dimensions.y*.5+(tile.coord.row-theCoord.row)*this.map.tileSize.y*scale),scale:scale,width:this.map.tileSize.x,height:this.map.tileSize.y});var theLevel=this.levels[tile.coord.zoom];theLevel.appendChild(tile);if(Math.round(this.map.coordinate.zoom)==tile.coord.zoom){theLevel.style.display="block"}this.requestRedraw()},_redrawTimer:undefined,requestRedraw:function(){if(!this._redrawTimer){this._redrawTimer=setTimeout(this.getRedraw(),1e3)}},_redraw:null,getRedraw:function(){if(!this._redraw){var theLayer=this;this._redraw=function(){theLayer.draw();theLayer._redrawTimer=0}}return this._redraw},setProvider:function(newProvider){var firstProvider=this.provider===null;if(!firstProvider){this.requestManager.clear();for(var name in this.levels){if(this.levels.hasOwnProperty(name)){var level=this.levels[name];while(level.firstChild){this.provider.releaseTile(level.firstChild.coord);level.removeChild(level.firstChild)}}}}this.tiles={};this.provider=newProvider;if(!firstProvider){this.draw()}},enable:function(){this.enabled=true;this.parent.style.display="";this.draw();return this},disable:function(){this.enabled=false;this.requestManager.clear();this.parent.style.display="none";return this},destroy:function(){this.requestManager.clear();this.requestManager.removeCallback("requestcomplete",this.getTileComplete());this.requestManager.removeCallback("requesterror",this.getTileError());this.provider=null;if(this.parent.parentNode){this.parent.parentNode.removeChild(this.parent)
}this.map=null}};MM.Map=function(parent,layerOrLayers,dimensions,eventHandlers){if(typeof parent=="string"){parent=document.getElementById(parent);if(!parent){throw"The ID provided to modest maps could not be found."}}this.parent=parent;this.parent.style.padding="0";this.parent.style.overflow="hidden";var position=MM.getStyle(this.parent,"position");if(position!="relative"&&position!="absolute"){this.parent.style.position="relative"}this.layers=[];if(!layerOrLayers){layerOrLayers=[]}if(!(layerOrLayers instanceof Array)){layerOrLayers=[layerOrLayers]}for(var i=0;i<layerOrLayers.length;i++){this.addLayer(layerOrLayers[i])}this.projection=new MM.MercatorProjection(0,MM.deriveTransformation(-Math.PI,Math.PI,0,0,Math.PI,Math.PI,1,0,-Math.PI,-Math.PI,0,1));this.tileSize=new MM.Point(256,256);this.coordLimits=[new MM.Coordinate(0,-Infinity,0),new MM.Coordinate(1,Infinity,0).zoomTo(18)];this.coordinate=new MM.Coordinate(.5,.5,0);if(!dimensions){dimensions=new MM.Point(this.parent.offsetWidth,this.parent.offsetHeight);this.autoSize=true;MM.addEvent(window,"resize",this.windowResize())}else{this.autoSize=false;this.parent.style.width=Math.round(dimensions.x)+"px";this.parent.style.height=Math.round(dimensions.y)+"px"}this.dimensions=dimensions;this.callbackManager=new MM.CallbackManager(this,["zoomed","panned","centered","extentset","resized","drawn"]);if(eventHandlers===undefined){this.eventHandlers=[MM.MouseHandler().init(this),MM.TouchHandler().init(this)]}else{this.eventHandlers=eventHandlers;if(eventHandlers instanceof Array){for(var j=0;j<eventHandlers.length;j++){eventHandlers[j].init(this)}}}};MM.Map.prototype={parent:null,dimensions:null,projection:null,coordinate:null,tileSize:null,coordLimits:null,layers:null,callbackManager:null,eventHandlers:null,autoSize:null,toString:function(){return"Map(#"+this.parent.id+")"},addCallback:function(event,callback){this.callbackManager.addCallback(event,callback);return this},removeCallback:function(event,callback){this.callbackManager.removeCallback(event,callback);return this},dispatchCallback:function(event,message){this.callbackManager.dispatchCallback(event,message);return this},getHandler:function(id,mHandler){var handler=null,rel=this.eventHandlers;if(mHandler===true){rel=this.getHandler("MouseHandler",false);if(!rel)return handler;rel=rel.handlers}if(!rel)return handler;for(var l=0;l<rel.length;l++){if(typeof rel[l].id==="string"&&rel[l].id===id){handler=rel[l];break}}if(!handler&&typeof mHandler!=="boolean"){return this.getHandler(id,true)}return handler},disableHandler:function(id){var handler=this.getHandler(id);if(handler&&typeof handler.remove==="function")handler.remove();return this},enableHandler:function(id){var handler=this.getHandler(id);if(handler&&typeof handler.remove==="function")handler.init(this);return this},removeHandler:function(id){var handler=this.getHandler(id),index=this.eventHandlers.indexOf(handler);if(index===-1){var mouseHandler=this.getHandler("MouseHandler");index=mouseHandler.handlers.indexOf(handler);if(index!==-1){handler.remove();mouseHandler.handlers.splice(index,1)}return}handler.remove();this.eventHandlers.splice(index,1);return handler},addHandler:function(handler){handler.init(this);if(typeof handler.id!=="string"){throw new Error("Handler lacks the required id attribute")}this.eventHandlers.push(handler);return this},windowResize:function(){if(!this._windowResize){var theMap=this;this._windowResize=function(event){theMap.dimensions=new MM.Point(theMap.parent.offsetWidth,theMap.parent.offsetHeight);theMap.draw();theMap.dispatchCallback("resized",[theMap.dimensions])}}return this._windowResize},setZoomRange:function(minZoom,maxZoom){this.coordLimits[0]=this.coordLimits[0].zoomTo(minZoom);this.coordLimits[1]=this.coordLimits[1].zoomTo(maxZoom);return this},zoomBy:function(zoomOffset){this.coordinate=this.enforceLimits(this.coordinate.zoomBy(zoomOffset));MM.getFrame(this.getRedraw());this.dispatchCallback("zoomed",zoomOffset);return this},zoomIn:function(){return this.zoomBy(1)},zoomOut:function(){return this.zoomBy(-1)},setZoom:function(z){return this.zoomBy(z-this.coordinate.zoom)},zoomByAbout:function(zoomOffset,point){var location=this.pointLocation(point);this.coordinate=this.enforceLimits(this.coordinate.zoomBy(zoomOffset));var newPoint=this.locationPoint(location);this.dispatchCallback("zoomed",zoomOffset);return this.panBy(point.x-newPoint.x,point.y-newPoint.y)},panBy:function(dx,dy){this.coordinate.column-=dx/this.tileSize.x;this.coordinate.row-=dy/this.tileSize.y;this.coordinate=this.enforceLimits(this.coordinate);MM.getFrame(this.getRedraw());this.dispatchCallback("panned",[dx,dy]);return this},panLeft:function(){return this.panBy(100,0)},panRight:function(){return this.panBy(-100,0)},panDown:function(){return this.panBy(0,-100)},panUp:function(){return this.panBy(0,100)},setCenter:function(location){return this.setCenterZoom(location,this.coordinate.zoom)},setCenterZoom:function(location,zoom){this.coordinate=this.projection.locationCoordinate(location).zoomTo(parseFloat(zoom)||0);this.coordinate=this.enforceLimits(this.coordinate);MM.getFrame(this.getRedraw());this.dispatchCallback("centered",[location,zoom]);return this},extentCoordinate:function(locations,precise){if(locations instanceof MM.Extent){locations=locations.toArray()}var TL,BR;for(var i=0;i<locations.length;i++){var coordinate=this.projection.locationCoordinate(locations[i]);if(TL){TL.row=Math.min(TL.row,coordinate.row);TL.column=Math.min(TL.column,coordinate.column);TL.zoom=Math.min(TL.zoom,coordinate.zoom);BR.row=Math.max(BR.row,coordinate.row);BR.column=Math.max(BR.column,coordinate.column);BR.zoom=Math.max(BR.zoom,coordinate.zoom)}else{TL=coordinate.copy();BR=coordinate.copy()}}var width=this.dimensions.x+1;var height=this.dimensions.y+1;var hFactor=(BR.column-TL.column)/(width/this.tileSize.x);var hZoomDiff=Math.log(hFactor)/Math.log(2);var hPossibleZoom=TL.zoom-(precise?hZoomDiff:Math.ceil(hZoomDiff));var vFactor=(BR.row-TL.row)/(height/this.tileSize.y);var vZoomDiff=Math.log(vFactor)/Math.log(2);var vPossibleZoom=TL.zoom-(precise?vZoomDiff:Math.ceil(vZoomDiff));var initZoom=Math.min(hPossibleZoom,vPossibleZoom);initZoom=Math.min(initZoom,this.coordLimits[1].zoom);initZoom=Math.max(initZoom,this.coordLimits[0].zoom);var centerRow=(TL.row+BR.row)/2;var centerColumn=(TL.column+BR.column)/2;var centerZoom=TL.zoom;return new MM.Coordinate(centerRow,centerColumn,centerZoom).zoomTo(initZoom)},setExtent:function(locations,precise){this.coordinate=this.extentCoordinate(locations,precise);this.coordinate=this.enforceLimits(this.coordinate);MM.getFrame(this.getRedraw());this.dispatchCallback("extentset",locations);return this},setSize:function(dimensions){this.dimensions=new MM.Point(dimensions.x,dimensions.y);this.parent.style.width=Math.round(this.dimensions.x)+"px";this.parent.style.height=Math.round(this.dimensions.y)+"px";if(this.autoSize){MM.removeEvent(window,"resize",this.windowResize());this.autoSize=false}this.draw();this.dispatchCallback("resized",this.dimensions);return this},coordinatePoint:function(coord){if(coord.zoom!=this.coordinate.zoom){coord=coord.zoomTo(this.coordinate.zoom)}var point=new MM.Point(this.dimensions.x/2,this.dimensions.y/2);point.x+=this.tileSize.x*(coord.column-this.coordinate.column);point.y+=this.tileSize.y*(coord.row-this.coordinate.row);return point},pointCoordinate:function(point){var coord=this.coordinate.copy();coord.column+=(point.x-this.dimensions.x/2)/this.tileSize.x;coord.row+=(point.y-this.dimensions.y/2)/this.tileSize.y;return coord},locationCoordinate:function(location){return this.projection.locationCoordinate(location)},coordinateLocation:function(coordinate){return this.projection.coordinateLocation(coordinate)},locationPoint:function(location){return this.coordinatePoint(this.locationCoordinate(location))},pointLocation:function(point){return this.coordinateLocation(this.pointCoordinate(point))},getExtent:function(){return new MM.Extent(this.pointLocation(new MM.Point(0,0)),this.pointLocation(this.dimensions))},extent:function(locations,precise){if(locations){return this.setExtent(locations,precise)}else{return this.getExtent()}},getCenter:function(){return this.projection.coordinateLocation(this.coordinate)},center:function(location){if(location){return this.setCenter(location)}else{return this.getCenter()}},getZoom:function(){return this.coordinate.zoom},zoom:function(zoom){if(zoom!==undefined){return this.setZoom(zoom)}else{return this.getZoom()}},getLayers:function(){return this.layers.slice()},getLayer:function(name){for(var i=0;i<this.layers.length;i++){if(name==this.layers[i].name)return this.layers[i]}},getLayerAt:function(index){return this.layers[index]},addLayer:function(layer){this.layers.push(layer);this.parent.appendChild(layer.parent);layer.map=this;if(this.coordinate){MM.getFrame(this.getRedraw())}return this},removeLayer:function(layer){for(var i=0;i<this.layers.length;i++){if(layer==this.layers[i]||layer==this.layers[i].name){this.removeLayerAt(i);break}}return this},setLayerAt:function(index,layer){if(index<0||index>=this.layers.length){throw new Error("invalid index in setLayerAt(): "+index)}if(this.layers[index]!=layer){if(index<this.layers.length){var other=this.layers[index];this.parent.insertBefore(layer.parent,other.parent);other.destroy()}else{this.parent.appendChild(layer.parent)}this.layers[index]=layer;layer.map=this;MM.getFrame(this.getRedraw())}return this},insertLayerAt:function(index,layer){if(index<0||index>this.layers.length){throw new Error("invalid index in insertLayerAt(): "+index)}if(index==this.layers.length){this.layers.push(layer);this.parent.appendChild(layer.parent)}else{var other=this.layers[index];this.parent.insertBefore(layer.parent,other.parent);this.layers.splice(index,0,layer)}layer.map=this;MM.getFrame(this.getRedraw());return this},removeLayerAt:function(index){if(index<0||index>=this.layers.length){throw new Error("invalid index in removeLayer(): "+index)}var old=this.layers[index];this.layers.splice(index,1);old.destroy();return this},swapLayersAt:function(i,j){if(i<0||i>=this.layers.length||j<0||j>=this.layers.length){throw new Error("invalid index in swapLayersAt(): "+index)}var layer1=this.layers[i],layer2=this.layers[j],dummy=document.createElement("div");this.parent.replaceChild(dummy,layer2.parent);this.parent.replaceChild(layer2.parent,layer1.parent);this.parent.replaceChild(layer1.parent,dummy);this.layers[i]=layer2;this.layers[j]=layer1;return this},enableLayer:function(name){var l=this.getLayer(name);if(l)l.enable();return this},enableLayerAt:function(index){var l=this.getLayerAt(index);if(l)l.enable();return this},disableLayer:function(name){var l=this.getLayer(name);if(l)l.disable();return this},disableLayerAt:function(index){var l=this.getLayerAt(index);if(l)l.disable();return this},enforceZoomLimits:function(coord){var limits=this.coordLimits;if(limits){var minZoom=limits[0].zoom;var maxZoom=limits[1].zoom;if(coord.zoom<minZoom){coord=coord.zoomTo(minZoom)}else if(coord.zoom>maxZoom){coord=coord.zoomTo(maxZoom)}}return coord},enforcePanLimits:function(coord){if(this.coordLimits){coord=coord.copy();var topLeftLimit=this.coordLimits[0].zoomTo(coord.zoom);var bottomRightLimit=this.coordLimits[1].zoomTo(coord.zoom);var currentTopLeft=this.pointCoordinate(new MM.Point(0,0)).zoomTo(coord.zoom);var currentBottomRight=this.pointCoordinate(this.dimensions).zoomTo(coord.zoom);if(bottomRightLimit.row-topLeftLimit.row<currentBottomRight.row-currentTopLeft.row){coord.row=(bottomRightLimit.row+topLeftLimit.row)/2}else{if(currentTopLeft.row<topLeftLimit.row){coord.row+=topLeftLimit.row-currentTopLeft.row}else if(currentBottomRight.row>bottomRightLimit.row){coord.row-=currentBottomRight.row-bottomRightLimit.row}}if(bottomRightLimit.column-topLeftLimit.column<currentBottomRight.column-currentTopLeft.column){coord.column=(bottomRightLimit.column+topLeftLimit.column)/2}else{if(currentTopLeft.column<topLeftLimit.column){coord.column+=topLeftLimit.column-currentTopLeft.column}else if(currentBottomRight.column>bottomRightLimit.column){coord.column-=currentBottomRight.column-bottomRightLimit.column}}}return coord},enforceLimits:function(coord){return this.enforcePanLimits(this.enforceZoomLimits(coord))},draw:function(){this.coordinate=this.enforceLimits(this.coordinate);if(this.dimensions.x<=0||this.dimensions.y<=0){if(this.autoSize){var w=this.parent.offsetWidth,h=this.parent.offsetHeight;this.dimensions=new MM.Point(w,h);if(w<=0||h<=0){return}}else{return}}for(var i=0;i<this.layers.length;i++){this.layers[i].draw()}this.dispatchCallback("drawn")},_redrawTimer:undefined,requestRedraw:function(){if(!this._redrawTimer){this._redrawTimer=setTimeout(this.getRedraw(),1e3)}},_redraw:null,getRedraw:function(){if(!this._redraw){var theMap=this;this._redraw=function(){theMap.draw();theMap._redrawTimer=0}}return this._redraw},destroy:function(){for(var j=0;j<this.layers.length;j++){this.layers[j].destroy()}this.layers=[];this.projection=null;for(var i=0;i<this.eventHandlers.length;i++){this.eventHandlers[i].remove()}if(this.autoSize){MM.removeEvent(window,"resize",this.windowResize())}}};MM.mapByCenterZoom=function(parent,layerish,location,zoom){var layer=MM.coerceLayer(layerish),map=new MM.Map(parent,layer,false);map.setCenterZoom(location,zoom).draw();return map};MM.mapByExtent=function(parent,layerish,locationA,locationB){var layer=MM.coerceLayer(layerish),map=new MM.Map(parent,layer,false);map.setExtent([locationA,locationB]).draw();return map};if(typeof module!=="undefined"&&module.exports){module.exports={Point:MM.Point,Projection:MM.Projection,MercatorProjection:MM.MercatorProjection,LinearProjection:MM.LinearProjection,Transformation:MM.Transformation,Location:MM.Location,MapProvider:MM.MapProvider,Template:MM.Template,Coordinate:MM.Coordinate,deriveTransformation:MM.deriveTransformation}}})(MM);