[OpenLayers-Users] wms layer over openstreet base map
Gery .
gamejihou at hotmail.com
Thu May 24 10:46:45 PDT 2012
Hello,
I think you're right, projection has something to do there, this link may help you: http://blog.sonxurxo.com/2011/04/28/tutorial-de-openlayers-ii-capas-de-google/
There is a lot of stuff about google maps and openlayers and projection, just google them.
Hope this helps,
> Date: Thu, 24 May 2012 13:37:52 -0400
> From: jdmorgan at unca.edu
> To: openlayers-users at lists.osgeo.org
> Subject: [OpenLayers-Users] wms layer over openstreet base map
>
> Hello,
> I am trying to get a wms states layer to overlay on a base openstreet
> map. The openstreet map shows up fine but the wms layer never does. I
> am guessing this is a projection issue but can't figure out how to
> resolve it. Any tips would be greatly appreciated. Here is my code:
>
> <!DOCTYPE HTML>
> <html>
> <head>
> <title>OpenLayers Demo</title>
> <style type="text/css">
> html, body, #basicMap {
> width: 100%;
> height: 100%;
> margin: 0;
> }
> </style>
> <script src="http://www.openlayers.org/api/OpenLayers.js"></script>
> <script>
> function init() {
>
> map = new OpenLayers.Map("basicMap", {projection: "EPSG:900913"});
> var mapnik = new OpenLayers.Layer.OSM();
> var fromProjection = new OpenLayers.Projection("EPSG:4326");
> // Transform from WGS 1984
> var toProjection = new OpenLayers.Projection("EPSG:900913");
> // to Spherical Mercator Projection
> var position = new OpenLayers.LonLat(-98.0859375,
> 39.095962936305476).transform(fromProjection, toProjection);
> var zoom = 5;
>
> var stateMap = new OpenLayers.Layer.WMS(
> 'States',
> 'http://pathToWMSlayer/vlayers',
> {layers: 'states', transparent: true}
> {
> isBaseLayer: false,
> }
> );
>
> map.addLayers([mapnik, stateMap]);
> map.setCenter(position, zoom);
> }
> </script>
> </head>
> <body onload="init();">
> <div id="basicMap"></div>
> </body>
> </html>
>
>
> Thanks ahead of time,
> Derek
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