Arjen,

This is what I use for British National Grid and it works fine.


<script type="text/javascript">
var map;
function init()
{
var options = {isBaseLayer:true,resolutions:[72,36,18,9.6,4.8,2.4,1.2,0.6,
0.3,0.15,0.125], maxExtent:new OpenLayers.Bounds(0,0,2000000,2000000),
maxResolution:'auto', units:'meters', projection:'EPSG:27700', controls:[]};

map = new OpenLayers.Map( $('map'), options );
var layer0= new OpenLayers.Layer.WMS('Mastermap', '
http://somewhere/script.asp?',{layers:'topo_area,carto_text<http://somewhere/script.asp?%27,%7Blayers:%27topo_area,carto_text>',
format:'image/jpeg'});

map.addLayers(layer0);

map.setCenter(new OpenLayers.LonLat(543443,255213), 7);
}
</script>

cheers,

Tom


On 6/4/07, Arjen de Korte <[EMAIL PROTECTED]> wrote:

Hi all,

I'm trying to view a WMS running on my local computer with OpenLayers. The
WMS-layers are in Dutch RD coordinates (EPSG:28992). I'm using the code
below. However, I get a JavaScript error "bounds has no properties" on the
line
"map.setCenter".

    <script src="http://openlayers.org/api/OpenLayers.js";></script>
    <script type="text/javascript">
        function init(){
            map = new OpenLayers.Map("map",
            { maxExtent: new OpenLayers.Bounds(0, 300000, 300000, 600000),
              maxResolution: "auto",
              units: 'meters',
              projection: "EPSG:28992"
            });

            // It works with this one:
            //map = new OpenLayers.Map( $('map') );
            //layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
            //        "http://labs.metacarta.com/wms/vmap0";, {layers:
'basic'} );

            //See:
http://trac.openlayers.org/wiki/FrequentlyAskedQuestions#Projections
            layer = new OpenLayers.Layer.WMS( "VMap0", "
http://localhost/mapserver/mapserv.exe?map=c:/Inetpub/test/demo.map";,
            { request: 'GetMap',
              layers: 'water',
              srs: 'EPSG:28992',
              format: 'image/png',
              transparent: true
            } );
            map.addLayer(layer);
            map.addControl(new OpenLayers.Control.Permalink());
            // This doesn't work: "JS error: bounds has no properties":
            map.setCenter(new OpenLayers.LonLat(lat, lon), zoom);
            // This doesn't work either: "JS error: bounds has no
properties":
            //map.zoomToMaxExtent();
        }
        // -->
    </script>

Does anyone have an idea how this can be solved? Can it be it has to do
with the fact that I'm trying to use the EPSG:28992 SRS? The basic example
with the OpenLayers WMS (commented above) works fine.

A similar problem has been posted earlier:
http://openlayers.org/pipermail/users/2007-February/000695.html, but I
found no responses.

Best regards,
Arjen.
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