Created
May 29, 2010 02:36
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data url in google map overlay
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<html> | |
<head> | |
<script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAA-LQou8q_sKeS5aYUTmi6cBTwM0brOpm-All5BF6PoaKBxRWWERTLoTYiIZTo0Y148gT7RR7GgXyJLA"></script> | |
<script> | |
bounds = new GLatLngBounds( new GLatLng(-90, -180) | |
, new GLatLng(90, 180) | |
); | |
copyright = new GCopyright( 'your-copyright' | |
, bounds | |
, 0 | |
, "(c) 2008 Your Organization " + | |
"<http://www.example.org/>" | |
); | |
copyrights = new GCopyrightCollection(); | |
copyrights.addCopyright(copyright); | |
heatmap = new GTileLayer(copyrights, 10, 0); | |
heatmap.getTileUrl = function (tile, zoom) { | |
base = 'http://localhost:8080/'; | |
color_scheme = 'classic'; | |
url = base + color_scheme +'/'+ zoom +'/' | |
url += tile.x +','+ tile.y +'.png'; | |
return "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9YGARc5KB0XV+IAAAAddEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIFRoZSBHSU1Q72QlbgAAAF1JREFUGNO9zL0NglAAxPEfdLTs4BZM4DIO4C7OwQg2JoQ9LE1exdlYvBBeZ7jqch9//q1uH4TLzw4d6+ErXMMcXuHWxId3KOETnnXXV6MJpcq2MLaI97CER3N0vr4MkhoXe0rZigAAAABJRU5ErkJggg=="; | |
return url; | |
} | |
heatmap.isPng = function () {return true;} | |
heatmap.getOpacity = function () {return 1.0;} | |
function initialize () { | |
var map = new GMap2(document.getElementById("map")); | |
var lebanon = new GLatLng(39.81447,-98.565388); | |
map.setCenter(lebanon, 4); | |
map.addOverlay(new GTileLayerOverlay(heatmap)); | |
} | |
</script> | |
<style> | |
body { | |
margin: 0; | |
padding: 0; | |
} | |
#map { | |
margin: 0; | |
padding: 0; | |
width: 100%; | |
height: 100%; | |
} | |
</style> | |
</head> | |
<body onload="initialize()" onunload="GUnload()"> | |
<div id="map"> </div> | |
</body> | |
</html> |
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