Hi Casper,
Your base layers should all be in the same projection. So if you want to
use Google, Bing, OSM, etc. you should set your map projection to web
mercator (EPSG:900913). If you want your map information (coordinate
readout, etc.) displayed in EPSG:25832, you should set your
displayProjection to EPSG:25832.
If you are using GeoServer, your overlay layers will reproject "on the fly"
without any trouble. See below for an example...
var options = {
projection: new OpenLayers.Projection("EPSG:900913"),
displayProjection: new OpenLayers.Projection("EPSG:4326"),
units: "m",
maxResolution: "auto",
maxExtent: new
OpenLayers.Bounds(-75.86,44.05,-74.526,45.016).transform(new
OpenLayers.Projection("EPSG:4326"), new
OpenLayers.Projection("EPSG:900913"))
};
map = new OpenLayers.Map('map', options);
var gmap = new OpenLayers.Layer.Google(
" Google Streets",
{type: G_NORMAL_MAP, 'sphericalMercator': true, numZoomLevels: 22}
);
var myoverlay = new OpenLayers.Layer.WMS("My Overlay Layer",
"http://www.myserver.com/geoserver/wms";,
{layers: 'mynamespace:mylayer', transparent: true, format: "image/png"},
{isBaseLayer: false, 'visibility': true, displayInLayerSwitcher: true}
);
--
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