ArcGIS Server doesnt like EPSG:900913 and maps doesnt like EPSG:3857.
Its a pain.
I got around this with a couple of overrides. Has anyone found a better way?
Ext.override(OpenLayers.Layer.WMS, {
getFullRequestString:function(newParams, altUrl) {
var projectionCode = this.map.getProjection();
if((projectionCode == 'EPSG:900913') &&
this.url.search(/arcgis/)>=0) {
this.params.SRS = 'EPSG:3857';
} else {
this.params.SRS = (projectionCode == "none") ? null
:projectionCode;
}
return OpenLayers.Layer.Grid.prototype.getFullRequestString.apply(
this, arguments);
}
});
Ext.override(OpenLayers.Request, {
GET:function(config) {
if((config.params.SRS == 'EPSG:900913') &&
config.url.search(/arcgis/)>=0) {
config.params.SRS = 'EPSG:3857';
}
config = OpenLayers.Util.extend(config, {method: "GET"});
return OpenLayers.Request.issue(config);
}
});
And for WFS protocol, create with:
var srs = (currProj=='EPSG:900913' &&
source.serverUrl.search(/arcgis/)>=0) ? 'EPSG:3857' : currProj;
if(spatialQueryNode.type=='wfs') {
source.wfsProtocol = new OpenLayers.Protocol.WFS.v1_1_0({
url: spatialQueryNode.url,
featurePrefix: spatialQueryNode.featurePrefix,
featureType: spatialQueryNode.featureType,
geometryName :geomName,
srsName: srs
});
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Phil Scadden, Senior Scientist GNS Science Ltd 764 Cumberland St,
Private Bag 1930, Dunedin, New Zealand Ph +64 3 4799663, fax +64 3 477 5232
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