[OpenLayers-Users] WMS from ArcGIS Server on top of google maps - Parameter 'srs' contains unacceptable value.

[Philipp Gaertner]

Hi list,

I have a layer of the states and territories of Australia and would like to
overlay it on google maps using openlayers.

The Australia layer is a WMS which is on my ArcGIS Server. I use EPSG:102113
which represents in the ESRI world the WGS_1984_Web_Mercator.

The WMS has following capabilities:

<Layer queryable="1">
<Name>0</Name>
<Title>StateBoundaries_1</Title>
<Abstract>StateBoundaries_1</Abstract>
<CRS>CRS:84</CRS>
<CRS>EPSG:4326</CRS>
<CRS>EPSG:*102113*</CRS>
-
<EX_GeographicBoundingBox>
<westBoundLongitude>0.000870</westBoundLongitude>
<eastBoundLongitude>0.001429</eastBoundLongitude>
<southBoundLatitude>-0.000393</southBoundLatitude>
<northBoundLatitude>-0.000082</northBoundLatitude>
</EX_GeographicBoundingBox>
<BoundingBox CRS="CRS:84" minx="0.000870" miny="-0.000393" maxx="0.001429"
maxy="-0.000082"/>
<BoundingBox CRS="EPSG:4326" minx="-0.000393" miny="0.000870"
maxx="-0.000082" maxy="0.001429"/>
<BoundingBox CRS="*EPSG:102113*" minx="96.816766" miny="-43.740510"
maxx="159.109219" maxy="-9.142176"/>

the openlayer setup looks like this

var geographic = new OpenLayers.Projection("EPSG:4326");
var mercator = new OpenLayers.Projection("EPSG:900913"); //aka  EPSG:3785
var gda94 = new OpenLayers.Projection("EPSG:4283");

var world = new
OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34)
var mapOptions = {
projection: mercator,
displayProjection: geographic, //for Mouse Position
maxExtent: world,
restrictedExtent: world,
units: 'm',
        numZoomLevels: 22,
        maxResolution: 156543.0339,
controls: [new OpenLayers.Control.PanZoomBar(),
new OpenLayers.Control.KeyboardDefaults()]
};

var map = new OpenLayers.Map( 'map', mapOptions );

//Google Physical
var gphy = new OpenLayers.Layer.Google("Google Physical",
                {type: G_PHYSICAL_MAP,
sphericalMercator: true,
isBaseLayer: true,
numZoomLevels: 22,
maxExtent: new
OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34)
});
map.addLayer(gphy);

var boundaries = new OpenLayers.Layer.WMS( "Boundaries",
"
http://ag-0988a/ArcGIS/services/StateBoundaries_WGS84_WM_102113/MapServer/WMSServer
?",
{layers: '0',//srs: 'EPSG:102113',
format: 'image/png',
transparent: true
},{
visibility: true,
isBaseLayer: false,
singleTile: false
}
);
map.addLayer(boundaries);

The error message is *Parameter 'srs' contains unacceptable value.*
*
*
I know that the google layer is defined with EPSG:900913 and my WMS
has EPSG:102113, but I can't set the EPSG to 900913 because ESRI doesn't
support it.
How do I go from here, what are my options? I need to use Google as
baselayer but can reproject all WMS as I like.

Any suggestions are more than welcome.

Regards, Philipp
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