Hi Lex, Lex Tiekink wrote: > Hi Steven, > > > I would like to use 41001 all the way, but my data is stored in PostGis in > degrees. > I've already tried to setup GeoServer to serve the data in 41001 by using > the "Reproject from native to declared SRS" option. Still, for a WFS > GetFeature request, GeoServer wants the bounding box in degrees (probably > because the data is stored in PostGIS that way.) > Very strange, Mapserver should be able to reproject data as long as the correct projection definitions are available. You might want to take this issue to the Geoserver people as well. > I could reproject the data in PostGIS and store it in meters, but that is > not possible for other reasons. > I can imagine this. > So I need to convert from meters to degrees somewhere along the way, and > GeoServer does not seem to be doing it for me! > > I guess I will have to do a conversion in the WFSGetFeature.js widget. I > wrote one for the old widget, but the problem is that the proj.js file has > been changed (reduced) with the OpenLayers integration, and I need some of > the conversion routines in that file: > Actually the functionality has been increased, but since it also has been refactored it might be a bit hard to find it. > containerProj = new Proj(objRef.targetModel.containerModel.getSRS()); > point_in_degrees = containerProj.Inverse(point); > objRef.srs = srs.toUpperCase(); objRef.proj = new Proj (objRef.srs);
gives you the projection library for 41001 objRef.proj.Inverse(point) gives your point in lat/lon regards, Steven > How can I rewrite this code to have it work after the openlayers > integration? > > Best regards, > > > > > Lex Tiekink > > -----Original Message----- > From: Steven M. Ottens [mailto:[EMAIL PROTECTED] > Sent: woensdag 19 september 2007 11:26 > To: Lex Tiekink > Cc: [email protected] > Subject: Re: [Mapbuilder-users] Map projections and WFSGetFeature > > Hi Lex, > > Why do you not configure Geoserver to serve in 41001? Also if you get > the data in 4326, how do you reproject it to show as 41001? > If you want to reproject your WFSrequest, you will probably need to > rewrite a bit of the code to use proj4js to reproject to deegrees. It > should be able to do so, but it's not a standard function of mapbuilder. > I recommend to use 41001 all the way, from Geoserver all the way to > Mapbuilder and back. But if that's not an option, I might be able to > assist you to adept the WFS request to reproject on the fly. > > Steven > > Lex Tiekink wrote: > >> Hi everybody, >> >> >> I'm building a web application using mapbuilder and geoserver. I'm using >> > 1.5 > >> alpha2 and Geoserver 1.5.3. >> >> I have a problem with projections. My data is in geoserver and is served >> > in > >> 4326, in degrees. >> I would like to display the maps in 41001 (mercator), therefore in the xml >> file I have specified a bounding box in 41001, in meters. >> The map displays in the correct projection. So far, so good. >> >> Now when I try to do a WFSGetFeature, the coordinates on the map are >> calculated in meters (because of the 41001 projection). When I look at the >> URL for the WFSGetFeature, the coordinates are also in meters, and >> > GeoServer > >> doesn't seem to like this. It expects the coordinates to be in degrees. >> Therefore, none of my requests return a result. >> >> How do I solve this issue? How can I tell mapbuilder to convert the meters >> to degrees? >> >> With kind regards, >> >> >> >> >> >> >> >> >> >> Lex Tiekink >> >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by: Microsoft >> Defy all challenges. Microsoft(R) Visual Studio 2005. >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ >> _______________________________________________ >> Mapbuilder-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/mapbuilder-users >> >> > > > > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Mapbuilder-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/mapbuilder-users > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Mapbuilder-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mapbuilder-users
