openlayers/examples/mvs.html

   1 <html>
   2 <!--
   3      This probably needs to be renamed index.html for deployment.
   4      Specifically, it needs to be the default page for whatever
   5      directory it is in.
   6 -->
   7 <head>
   8
   9     <!-- this gmaps key generated for http://openlayers.org/dev/ -->
  10     <script src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAA9XNhd8q0UdwNC7YSO4YZghSPUCi5aRYVveCcVYxzezM4iaj_gxQ9t-UajFL70jfcpquH5l1IJ-Zyyw'></script>
  11     <!-- Localhost key -->
  12      <!--<script src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhT2yXp_ZAY8_ufC3CFXhHIE1NvwkxTS6gjckBmeABOGXIUiOiZObZESPg'></script>-->
  13 <script src="http://openlayers.org/dev/lib/OpenLayers.js"></script>
  14
  15 <script>
  16
  17 function runMVS() {
  18     OpenLayers.ProxyHost = '/proxy/?url=';
  19     if (document.location.protocol != "file:") {
  20         theArgs = OpenLayers.Util.getArgs();
  21     } else {
  22         theArgs = {};
  23         theArgs.center = "0,0";
  24         theArgs.zoom = "0";
  25         theArgs.data = "textfile.txt";
  26         theArgs.controls = 'panzoom,mouse';
  27         theArgs.layers = 'openlayers';
  28     }
  29
  30
  31     // ----
  32     // TODO: Handle all this parsing better.
  33     var safeArgs = {}
  34
  35     var DEFAULT_LAT = 0;
  36     var DEFAULT_LON = 0;
  37     var DEFAULT_ZOOM_LEVEL = 0;
  38     var DEFAULT_CONTROLS = ['panzoom','mouse'];
  39     var DEFAULT_LAYERS = ['openlayers'];
  40
  41     var IDX_LAT = 0;
  42     var IDX_LON = 1;
  43
  44     safeArgs.centerLat = theArgs.center ?
  45         parseFloat(theArgs.center.split(",")[IDX_LAT]) : DEFAULT_LAT;
  46
  47     safeArgs.centerLon = theArgs.center ?
  48         parseFloat(theArgs.center.split(",")[IDX_LON]) : DEFAULT_LON;
  49
  50     safeArgs.zoom = theArgs.zoom ? parseInt(theArgs.zoom) : DEFAULT_ZOOM_LEVEL;
  51
  52     safeArgs.controls = theArgs.controls ?
  53         theArgs.controls.split(",") : DEFAULT_CONTROLS;
  54
  55     safeArgs.layers = theArgs.layers ?
  56         theArgs.layers.split(",") : DEFAULT_LAYERS;
  57
  58     safeArgs.data = theArgs.data; // TODO: Make this "safe".
  59     safeArgs.marker = theArgs.marker; // TODO: Make this "safe".
  60
  61     // -----
  62     var theMVS = new OpenLayers.Map('map', {controls: [], maxResolution: 'auto'});
  63     for(var i = 0; i < safeArgs.controls.length; i++) {
  64         switch(safeArgs.controls[i]) {
  65             case 'panzoombar':
  66                 theMVS.addControl(new OpenLayers.Control.PanZoomBar());
  67                 break;
  68             case 'panzoom':
  69                 theMVS.addControl(new OpenLayers.Control.PanZoom());
  70                 break;
  71             case 'layerswitcher':
  72                 theMVS.addControl(new OpenLayers.Control.LayerSwitcher());
  73                 break;
  74             case 'mouse':
  75                 theMVS.addControl(new OpenLayers.Control.MouseDefaults());
  76                 break;
  77         }
  78     }
  79     for(var i = 0; i < safeArgs.layers.length; i++) {
  80         switch(safeArgs.layers[i]) {
  81             case 'openlayers':
  82                 theMVS.addLayer(
  83                   new OpenLayers.Layer.WMS( "OpenLayers WMS",
  84                         "http://labs.metacarta.com/wms/vmap0",
  85                         {layers: 'basic'} )
  86                   );
  87                 break;
  88             case 'nasa':
  89                 theMVS.addLayer(
  90                     new OpenLayers.Layer.WMS("NASA Mosaic",
  91                        "http://t1.hypercube.telascience.org/cgi-bin/landsat7",
  92                        {"EXCEPTIONS" : "application/vnd.ogc.se_inimage",
  93                         "format" : "image/jpeg",
  94                         layers:"landsat7"}
  95                        ));
  96                 break;
  97             case 'gmaps':
  98                 theMVS.addLayer(
  99                     new OpenLayers.Layer.Google( "Google" , {type: G_HYBRID_MAP })
 100                 );
 101                 break;
 102         }
 103     }
 104     theMVS.setCenter(new OpenLayers.LonLat(safeArgs.centerLon, safeArgs.centerLat), safeArgs.zoom);
 105
 106     if (safeArgs.marker) {
 107         var m = new OpenLayers.Layer.Markers("Marker");
 108         m.addMarker(new OpenLayers.Marker(new OpenLayers.LonLat(safeArgs.centerLon, safeArgs.centerLat)));
 109         theMVS.addLayer(m);
 110     }
 111     if (safeArgs.data) {
 112         theMVS.addLayer(new OpenLayers.Layer.Text("Data", {location: safeArgs.data}));
 113     }
 114
 115 }
 116 </script>
 117 </head>
 118 <body style="margin:0px;"
 119       onload="runMVS();">
 120 <div id="map"
 121      style="width: 100%; height: 100%;
 122             background: lightyellow;
 123            "></div>
 124 </body>
 125 </html>