[OpenLayers-Users] Openlayers with mapserv

Mon Aug 20 17:13:47 EDT 2007

James,

I think your units might need to be lower case ('dd') and your  
maxResolution is missing a decimal after the 1 (it should be 1.46095).

Cheers

Paul

On 20-Aug-07, at 4:12 PM, James McManus McManus wrote:

> I am attempting to use OpenLayers with mapserver. I have been able  
> to bring up the OL zoom and directional buttons, but my maps are  
> not appearing. Somethings is incorrect in how I am trying to access  
> mapserver and the mapfile. However, I am not getting any server  
> errors. The same mapfile works outside of OpenLayers. When I  
> configured mapserver, I specified --with-wmsclient. Is there  
> something else I have to do to setup mapserver or the mapfile, so  
> It can be access through OpenLayers? Below is my html file:
>
> <html xmlns="http://www.w3.org/1999/xhtml">
>   <head>
>     <style type="text/css">
>     v\:* {
>       behavior:url(#default#VML);
>     }
>     </style>
>     <meta http-equiv="Content-Type" content="text/html;  
> charset=iso-8859-1" />
>     <script src="lib/OpenLayers.js"></script>
>   </head>
>   <body>
>     <div id="map" style="width: 400px; height: 400px"></div>
>     <script defer="defer" type="text/javascript">
>        var map = new OpenLayers.Map( 'map', {'projection':'EPSG: 
> 4326', 'units':'DD',
>                      'maxExtent': new OpenLayers.Bounds(-68.50,  
> 44.117, -68.00, 44.615),
>                      'maxResolution': 146095 } );
>        var wmsurl =  "http://www.aratasystems.com/cgi-bin/mapserv? 
> map=\\mapdata\\MDI.map&"
>        var wmsmdi = new OpenLayers.Layer.WMS( "MDI", wmsurl,
>                     {layers: "DEM30,ponds,streams,roads",  
> transparent:"true",format: "image/png"},
>                     {tileSize: new OpenLayers.Size(400, 400),  
> buffer: 1 },
>                     {'isBaseLayer':true} );
>        map.addLayer(wmsmdi);
>
>        var MDI = new OpenLayers.LonLat(-68.5, 44.63);
>        map.setCenter(MDI, 3);
>        map.addControl(new OpenLayers.Control.LayerSwitcher());
>     </script>
>   </body>
> </html>
>
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+-----------------------------------------------------------------+
|Paul Spencer                          pspencer at dmsolutions.ca    |
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|Chief Technology Officer                                         |
|DM Solutions Group Inc                http://www.dmsolutions.ca/ |
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