diff options
Diffstat (limited to 'html/staticMapCanvas.js')
| -rw-r--r-- | html/staticMapCanvas.js | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/html/staticMapCanvas.js b/html/staticMapCanvas.js new file mode 100644 index 0000000..422c373 --- /dev/null +++ b/html/staticMapCanvas.js @@ -0,0 +1,148 @@ +var GMapCanvas2={ + initialize: function(prefLat, prefLng, prefZoom, prefType) + { this.map = document.getElementById("map"); + this.center = [prefLat*1,prefLng*1]; + this.zoom=prefZoom; + this.resolution="480x303"; + this.factor=0.75; + this.yfactor=0.75; + switch(prefType){ + case "terrain": + this.mapType = "terrain";break; + case "sat": + this.mapType = "satellite";break; + case "terr": + this.mapType = "hybrid";break; + case "hyb": + this.mapType = "hybrid";break; + case "osm": + this.mapType = "osm";break; + default: + this.mapType = "roadmap";break; + } + document.getElementById(this.mapType).className="selectmaptype"; + this.markerList=[]; + this.lineColor="ff0000"; + this.updateImg(); + return this; + }, + get_center:function(){return this.center;}, + get_zoom:function(){return this.zoom;}, + get_type:function(){return this.mapType;}, + get_bounds:function(){ + var sw=[1*this.center[0]-0.55618*this.factor*Math.pow(2,(9-1*this.zoom)),this.center[1]*1 - 0.98877*this.factor*Math.pow(2,(9-1*this.zoom))]; + var ne=[1*this.center[0]+0.55618*this.factor*Math.pow(2,(9-1*this.zoom)),this.center[1]*1 + 0.98877*this.factor*Math.pow(2,(9-1*this.zoom))]; + return [sw,ne]; + }, + set_center:function(latlng){ + if(latlng[0]>85){latlng=[85,latlng[1]]} + if(latlng[0]<-85){latlng=[-85,latlng[1]]} + this.center = latlng; + this.updateImg(); + updateLoc() + }, + set_zoom:function(z){this.zoom = z;this.updateImg();}, + set_type:function(type){ + if(type==this.mapType){return;} + try{document.getElementById(this.mapType).className = "maptype";document.getElementById(type).className = "selectmaptype";} + catch(e){} + this.mapType=type; + this.updateImg(); + }, + fitBounds:function(bounds){ + this.bounds=bounds; + this.center=[(bounds[0][0]*1.0+1.0*bounds[1][0])/2.0,(bounds[0][1]*1.0+1.0*bounds[1][1])/2.0]; + var latDiff=Math.abs(bounds[0][0]-bounds[1][0]); + var lngDiff=Math.abs(bounds[0][1]-bounds[1][1]); + if(latDiff/lngDiff>0.628){this.zoom=Math.floor(10-Math.log(latDiff/0.556)/0.301);} + else{this.zoom=Math.floor(10-Math.log(lngDiff/0.8789)/0.301);} + this.zoom=Math.min(Math.max(this.zoom,3),15); + this.updateImg(); + }, + setLineLayer:function(data){ + if((this.lineLayer)&&(mapData)){this.lineLayer+="&path=color:0x"+this.lineColor+"|weight:5|"+data;} + else{this.lineLayer = data;} + }, + setLineColor:function(color){this.lineColor = color;}, + setResolution:function(res){this.resolution = res;}, + updateImg:function(){ + params=[]; + if(this.mapType!="osm"){ + params.push("center="+this.center[0].toFixed(6)+","+this.center[1].toFixed(6)); + params.push("zoom="+this.zoom); + params.push("maptype="+this.mapType); + if(this.markerList.length>0){ + var lls=""; + var bounds=this.get_bounds(); + for(var m=0;m<this.markerList.length;m++){ + var mar=this.markerList[m]; + if(mar.icon=="null"){lls +="|"+ mar.getLatLng()[0].toFixed(6)+","+mar.getLatLng()[1].toFixed(6);} + else{ + if(!mar.iconDiv){ + mar.iconDiv=document.createElement("img"); + mar.iconDiv.src=mar.icon; + var px=pixel(mar.pt,bounds); + mar.iconDiv.style.left=parseInt(px[0]-mar.iconDiv.width/2)+"px"; + mar.iconDiv.style.top=parseInt(px[1]-mar.iconDiv.height/2)+"px"; + mar.iconDiv.style.position="absolute"; + mar.iconDiv.style.display="block"; + mar.iconDiv.id=mar.markerId; + mar.iconDiv.onclick=function(event){showInfo(mrkWithId(event.target.id).get_info())}; + document.body.appendChild(mar.iconDiv); + } + if((mar.pt[0]<bounds[1][0])&&(mar.pt[0]>bounds[0][0])&&(mar.pt[1]>bounds[0][1])&&(mar.pt[1]<bounds[1][1])){ + mar.iconDiv.style.display="block"; + var px=pixel(mar.pt,bounds); + mar.iconDiv.style.left=parseInt(px[0]-mar.iconDiv.width/2)+"px"; + mar.iconDiv.style.top=parseInt(px[1]-mar.iconDiv.height/2)+"px"; + } + else{ mar.iconDiv.style.display="none" } + } + } + if(lls!=""){params.push("markers=size:mid" + lls);} + } + if(this.lineLayer){params.push("path=color:0x" + this.lineColor + "|weight:5|" + this.lineLayer);} + if((this.mapType=="roadmap")||(this.mapType=="satellite")){params.push("mobile=true");} + if(doRep){this.map.src="http://maptonomy.appspot.com/maps4xo/report?size=" + this.resolution + "&format=jpg&mc="+this.markerList.length+"&lc="+lineList.length+"&"+params.join("&");doRep = false;} + else{this.map.src="http://maps.google.com/maps/api/staticmap?sensor=false&size=" + this.resolution + "&format=jpg&" + params.join("&");} + }else{ + params.push("center="+this.center[1].toFixed(6)+","+this.center[0].toFixed(6)); + params.push("zoom="+this.zoom); + var lls=""; + for(var m=0;m<this.markerList.length;m++){ + var mar=this.markerList[m]; + if(mar.icon=="null"){lls +=mar.getLatLng()[1]+","+mar.getLatLng()[0]+";"} + else{ + if(!mar.iconDiv){ + mar.iconDiv=document.createElement("img"); + mar.iconDiv.src=mar.icon; + var px=pixel(mar.pt,bounds); + mar.iconDiv.style.left=parseInt(px[0]-mar.iconDiv.width/2)+"px"; + mar.iconDiv.style.top=parseInt(px[1]-mar.iconDiv.height/2)+"px"; + mar.iconDiv.style.position="absolute"; + mar.iconDiv.style.display="block"; + mar.iconDiv.id=mar.markerId; + mar.iconDiv.onclick=function(event){showInfo(mrkWithId(event.target.id).get_info())}; + document.body.appendChild(mar.iconDiv); + } + if(bounds.contains(mar.pt)){ + mar.iconDiv.style.display="block"; + var px=pixel(mar.pt,bounds); + mar.iconDiv.style.left=parseInt(px[0]-mar.iconDiv.width/2)+"px"; + mar.iconDiv.style.top=parseInt(px[1]-mar.iconDiv.height/2)+"px" + } + else{ mar.iconDiv.style.display="none"} + } + } + if(lls!=""){params.push("points="+lls)} + if(this.lineLayer){ + var linefill=[]; + var linebunch=this.lineLayer.split("|"); + for(var p=0;p<linebunch.length;p++){if(linebunch[p].indexOf(",")!=-1){linefill.push(linebunch[p].split(",")[1] + "," + linebunch[p].split(",")[0])}} + if(this.lineLayer.indexOf("fill")>-1){params.push("polygons="+linefill.join(",")+",thickness:5,transparency:50")} + else{params.push("paths="+linefill.join(",")+",thickness:5,transparency:50")} + } + this.map.src="http://dev.openstreetmap.org/~pafciu17/?module=map&width=480&height=303&imgType=jpg&"+params.join("&"); + } + } +} |