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  • Committer: larshelge at gmail
  • Date: 2009-03-03 16:46:36 UTC
  • Revision ID: larshelge@gmail.com-20090303164636-2sjlrquo7ib1gf7r
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gis/dhis-gis-geostat/mfbase/openlayers/examples/image-layer.html
 
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<html xmlns="http://www.w3.org/1999/xhtml">
 
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  <head>
 
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      <title>OpenLayers Image Layer Example</title>
 
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    <link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
 
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    <link rel="stylesheet" href="style.css" type="text/css" />
 
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    <style type="text/css">
 
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        p.caption {
 
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            width: 512px;
 
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        }
 
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    </style>
 
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    <script src="../lib/OpenLayers.js"></script>
 
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    <script type="text/javascript">
 
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        var map;
 
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        function init(){
 
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            map = new OpenLayers.Map('map');
 
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            var options = {numZoomLevels: 3};
 
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            var graphic = new OpenLayers.Layer.Image(
 
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                                'City Lights',
 
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                                'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
 
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                                new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
 
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                                new OpenLayers.Size(580, 288),
 
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                                options);
 
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            var jpl_wms = new OpenLayers.Layer.WMS( "NASA Global Mosaic",
 
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                "http://t1.hypercube.telascience.org/cgi-bin/landsat7", 
 
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                {layers: "landsat7"}, options);
 
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            map.addLayers([graphic, jpl_wms]);
 
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            map.addControl(new OpenLayers.Control.LayerSwitcher());
 
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            map.zoomToMaxExtent();
 
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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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    <h1 id="title">Image Layer Example</h1>
 
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    <div id="tags"></div>
 
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    <p id="shortdesc">
 
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        Demonstrate a single non-tiled image as a selectable base layer.
 
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    </p>
 
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    <div id="map" class="smallmap"></div>
 
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    <div id="docs">
 
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        <p class="caption">
 
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            The "City Lights" layer above is created from a single web accessible
 
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            image.  If you construct it without any resolution related options,
 
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            the layer will be given a single resolution based on the extent/size.
 
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            Otherwise, it behaves much like a regular layer.  This is primarily
 
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            intended to be used in an overview map - where another layer type
 
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            might not make a good overview.
 
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        </p>
 
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    </div>
 
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  </body>
 
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</html>