thank you for you answer. I've read many docs about mercator reprojection but I can't understand a little but fundamental thing: actually my 3003 layers have gauss-boaga coordinates (in meters and not long-lat in degrees like wgs84). If I reproject my 3003 layers to mercator will I be able to use gauss-boaga coordinates or will I be forced to use long-lat in degrees?
Because I MUST use gauss-boaga coordinates and I cannot tolerate precision loss in my layers (I could tolerate in osm layers since it's only for "navigation") I'll aldo give a try to the two links you posted thank you a lot alberto On Tue, Sep 7, 2010 at 6:44 PM, Piero Campa <[email protected]> wrote: > > I know that OpenStreetMaps are in the mercator reprojection (EPSG:900913). > I think you should find a way to reproject your EPSG:3003 layers to the OSM > projection (GeoServer?). > > I read somewhere ( > http://oegeo.wordpress.com/2008/03/07/turning-openstreetmap-into-a-wfs/ > http://oegeo.wordpress.com/2008/03/07/turning-openstreetmap-into-a-wfs/ ) > that you could download the OSM maps and fill a database with all of its > feature: then you could get it via WFS or WMS with your preferred > reprojection (you need a WFS/WMS server, i.e. GeoServer). > > I don't assure you there are not better ways to go. > Anyway, good luck! > Piero > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/OSM-layer-not-aligned-with-other-layers-tp5506494p5507232.html > Sent from the OpenLayers Users mailing list archive at Nabble.com. > _______________________________________________ > Users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/openlayers-users >
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