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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<script src='http://dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2&mkt=en-us'></script>
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<script src='http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhR_wWLPFku8Ix9i2SXYRVK3e45q1BQUd_beF8dtzKET_EteAjPdGDwqpQ'></script>
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<script src="http://api.maps.yahoo.com/ajaxymap?v=3.0&appid=euzuro-openlayers"></script>
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<link rel="stylesheet" href="/geoserver/style.css" type="text/css" />
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<link rel="stylesheet" href="openlayers/theme/default/style.css" type="text/css" />
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<style type="text/css">
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body {
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margin: 1em;
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}
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#map {
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width: 95%;
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height: 512px;
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border: 1px solid gray;
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}
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div.olControlMousePosition {
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color: white;
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}
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#bounds {
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font-size: 0.9em;
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}
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</style>
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<script src="http://openlayers.org/api/OpenLayers.js"></script>
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<script type="text/javascript">
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// make map available for easy debugging
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var map;
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// avoid pink tiles
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OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3;
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OpenLayers.Util.onImageLoadErrorColor = "transparent";
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function init(){
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/**
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* The commercial layers (Google, Virtual Earth, and Yahoo) are
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* in a custom projection - we're calling this Spherical Mercator.
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* GeoServer understands that requests for EPSG:900913 should
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* match the projection for these commercial layers. Note that
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* this is not a standard EPSG code - so, if you want to load
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* layers from another WMS, it will have to be configured to work
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* with this projection.
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*/
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var options = {
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// the "community" epsg code for spherical mercator
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projection: "EPSG:900913",
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// map horizontal units are meters
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units: "m",
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// this resolution displays the globe in one 256x256 pixel tile
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maxResolution: 78271.51695,
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// these are the bounds of the globe in sperical mercator
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maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
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20037508, 20037508)
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};
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// construct a map with the above options
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map = new OpenLayers.Map('map', options);
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// create Google layer
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var gsat = new OpenLayers.Layer.Google(
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"Google Satellite",
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{type: G_SATELLITE_MAP, sphericalMercator: true}
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);
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// create Virtual Earth layer
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var veaer = new OpenLayers.Layer.VirtualEarth("Bing maps", {
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type: VEMapStyle.Aerial, sphericalMercator: true
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});
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// create Yahoo layer (only the default layer works, the hibrid and the
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// satellite ones do throw exceptions and rendering goes totally bye bye)
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var yahoosat = new OpenLayers.Layer.Yahoo("Yahoo", {
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sphericalMercator: true
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});
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// you can create your own layers here
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// create WMS layer
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var wms = new OpenLayers.Layer.WMS(
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"TOPP States",
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"http://localhost:8080/geoserver/wms?",
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{
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layers: 'topp:states',
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styles: '',
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srs: 'EPSG:4326',
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format: 'image/png',
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tiled: 'true',
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tilesOrigin : "143.60260815000004,-43.851764249999995",
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transparent: true
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},
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{
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'opacity': 0.75, 'isBaseLayer': false, 'wrapDateLine': true
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}
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);
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var usBounds = new OpenLayers.Bounds(
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-14392000, 2436200, -7279500, 6594375
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);
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// add the created layers to the map
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// (if you want custom layers to show up they must be here as well)
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map.addLayers([gsat, veaer, yahoosat, wms]);
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map.addControl(new OpenLayers.Control.LayerSwitcher());
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map.addControl(new OpenLayers.Control.MousePosition());
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map.zoomToExtent(usBounds);
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// the part below is just to make the bounds show up on the page
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var boundsOutput = document.getElementById('bounds');
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function updateBounds() {
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var code =
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" var bounds = new OpenLayers.Bounds(\n" +
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" " + map.getExtent().toBBOX().replace(/,/g, ', ') + "\n" +
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" );\n" +
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" map.zoomToExtent(bounds);"
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boundsOutput.innerHTML = code;
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}
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// update the bounds with each map move
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map.events.register('moveend', map, updateBounds);
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// and update the bounds on first load
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updateBounds();
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}
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</script>
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</head>
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<body onload="init()">
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130
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<h3>Geoserver OpenLayers Demo</h3>
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<div id="map"></div>
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<p>In creating your own OpenLayers application, you can use the bounds shown
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above as your initial extent. For example, the following code would zoom
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your map to the current extent:
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</p>
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<pre id="bounds"></pre>
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</body>
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</html>
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