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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/wmc.html
 
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<html xmlns="http://www.w3.org/1999/xhtml">
 
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  <head>
 
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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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        #wmc {
 
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            width: 90%;
 
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            height: 300px;
 
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        }
 
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    </style>
 
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    <script src="../lib/Firebug/firebug.js"></script>
 
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    <script src="../lib/OpenLayers.js"></script>
 
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    <script type="text/javascript">
 
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        // no pink please
 
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        OpenLayers.IMAGE_RELOAD_ATTEMPTS = 2;
 
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        OpenLayers.Util.onImageLoadErrorColor = "transparent";
 
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        var format = new OpenLayers.Format.WMC({'layerOptions': {buffer: 0}});
 
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        var doc, context, map;
 
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        function init() {
 
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            var options = {
 
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                maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55)
 
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            };
 
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            map = new OpenLayers.Map("map", options);
 
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            var jpl = new OpenLayers.Layer.WMS(
 
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                "NASA Global Mosaic",
 
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                "http://t1.hypercube.telascience.org/cgi-bin/landsat7", 
 
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                {layers: "landsat7"},
 
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                {
 
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                    maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55),
 
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                    maxResolution: 0.1,
 
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                    numZoomLevels: 4,
 
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                    minResolution: 0.02
 
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                }
 
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            );
 
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            var vmap = new OpenLayers.Layer.WMS(
 
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                "OpenLayers WMS",
 
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                "http://labs.metacarta.com/wms/vmap0",
 
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                {layers: 'basic'},
 
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                {
 
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                    maxExtent: new OpenLayers.Bounds(-130, 14, -60, 55),
 
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                    maxResolution: 0.1,
 
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                    numZoomLevels: 4,
 
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                    minResolution: 0.02
 
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                }
 
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            );
 
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            var roads = new OpenLayers.Layer.WMS(
 
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                "Transportation Network",
 
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                "http://lioapp.lrc.gov.on.ca/cubeserv/cubeserv.pl",
 
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                {layers: "na_road:CCRS", transparent: "TRUE"},
 
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                {
 
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                    isBaseLayer: false,
 
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                    maxExtent: new OpenLayers.Bounds(
 
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                        -166.532, 4.05046, -0.206818, 70.287
 
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                    ),
 
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                    displayInLayerSwitcher: false,
 
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                    opacity: 0.6,
 
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                    minScale: 32000000,
 
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                    numZoomLevels: 4,
 
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                    maxScale: 6200000
 
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                }
 
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            );
 
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            var nexrad = new OpenLayers.Layer.WMS(
 
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                "Radar 3:1",
 
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                "http://columbo.nrlssc.navy.mil/ogcwms/servlet/WMSServlet/AccuWeather_Maps.wms",
 
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                {layers: "3:1", transparent: "TRUE"},
 
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                {
 
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                    isBaseLayer: false,
 
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                    maxExtent: new OpenLayers.Bounds(
 
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                        -131.029495239, 14.5628967285,
 
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                        -61.0295028687, 54.562896728
 
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                    ),
 
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                    opacity: 0.8,
 
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                    singleTile: true,
 
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                    maxResolution: 0.1,
 
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                    numZoomLevels: 4,
 
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                    minResolution: 0.02
 
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                }
 
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            );
 
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            map.addLayers([jpl, vmap, roads, nexrad]);
 
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            map.addControl(new OpenLayers.Control.LayerSwitcher());
 
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            map.setCenter(new OpenLayers.LonLat(-95, 34.5), 1);
 
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        };
 
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        function readWMC(merge) {
 
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            var text = document.getElementById("wmc").value;
 
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            if(merge) {
 
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                try {
 
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                    map = format.read(text, {map: map});
 
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                } catch(err) {
 
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                    document.getElementById("wmc").value = err;
 
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                }
 
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            } else {
 
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                map.destroy();
 
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                try {
 
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                    map = format.read(text, {map: "map"});
 
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                    map.addControl(new OpenLayers.Control.LayerSwitcher());
 
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                } catch(err) {
 
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                    document.getElementById("wmc").value = err;
 
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                }
 
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            }
 
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        }
 
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        function writeWMC(merge) {
 
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            try {
 
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                var text = format.write(map);
 
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                document.getElementById("wmc").value = text;
 
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            } catch(err) {
 
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                document.getElementById("wmc").value = err;
 
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            }
 
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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">WMC Example</h1>
 
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    <div id="tags">
 
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    </div>
 
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    <p id="shortdesc">
 
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           Shows parsing of Web Map Context documents.
 
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    </p>
 
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    <div id="map" class="smallmap"></div>
 
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        <button onclick="writeWMC();">write</button>
 
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        <button onclick="readWMC();">read as new map</button>
 
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        <button onclick="readWMC(true);">read and merge</button>
 
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        <textarea id="wmc">paste WMC doc here</textarea>
 
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    <div id="docs">
 
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        This is an example of parsing WMC documents. <br />
 
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        The format class has a layerOptions property, which can be used
 
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        to control the default options of the layer when it is created
 
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        by the parser.
 
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    </div>
 
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  </body>
 
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</html>
 
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