[OpenLayers-Users] WMS?

Tue Jan 8 14:28:09 PST 2013

Hi -

I've looked at the available online documentation and was wondering if
anyone could offer some hints on what could be wrong?

I have been comparing it to the samples and don't see anything.

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,
maximum-scale=1.0, user-scalable=0">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <title>fish</title>
    <link rel="stylesheet" href="../theme/default/style.css"
type="text/css">
    <link rel="stylesheet" href="style.css" type="text/css">
    <script src="events_test_files/OpenLayers.js"></script>
    <script type="text/javascript">
        var map, layer, layer2;
        function init(){
            map = new OpenLayers.Map( 'map', {sphericalMercator : true,
projection : "EPSG:3857"} );
var basemap = new OpenLayers.Layer.XYZ(
"USGS Base Map",
"
http://basemap.nationalmap.gov/ArcGIS/rest/services/TNM_Vector_Fills_Small/MapServer/tile/${z}/${y}/${x}
",
{
numZoomLevels : 16,
projection : "EPSG:3857",
sphericalMercator : true,
group : "basemap",
meta : false,
wrapDateLine : true
});
map.addLayer(basemap);
layer2 = new OpenLayers.Layer.WMS( "OpenLayers WMS",
                    "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers:
'basic'} );
            map.addLayer(layer2);
            layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
                    "
http://107.20.228.18/ArcGIS/services/FWS_Wetlands_WMS/mapserver/wmsserver?",
                    {layers: "18,17,16,15,14,13",  'transparent': 'off',
format: "png"},
{isBaseLayer: false, displayInLayerSwitcher: true});
            map.addLayer(layer);
alert(layer.getExtent());
            map.zoomToMaxExtent(layer.getExtent());
map.setCenter(new
OpenLayers.LonLat(lon=-77.44555646516,lat=39.500732399862));
map.addControl( new OpenLayers.Control.LayerSwitcher() );
        }
    </script>
  </head>
  <body onload="init()">
    <h1 id="title">Basic Single WMS Example</h1>

    <div id="tags">
        basic, simple, minimal, cleanup
    </div>

    <div id="shortdesc">Show a Simple Map</div>

    <div id="map" class="smallmap" style="border:1px solid
blue;width:512px;height:256px;"></></div>

    <div id="docs">
        <p>This example shows a very simple layout with minimal controls.
        This example uses a single WMS base layer.</p>
    </div>
  </body>
</html>

thanks,
Doug
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