Lucie, FYI, the osgEarth project contains a SpatialReference class that provides general coordinate conversion functionality. (It uses GDAL/OGR under the hood.) You might take a look at this for ideas. http://osgearth.org
Glenn Waldron : Pelican Mapping On Fri, Oct 1, 2010 at 9:50 AM, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC <[email protected]> wrote: > Lucie, > > If you're on a flat earth, you shouldn't be using the > convertLatLongHeightToXYZ method. This is only used for mapping spheroid > coordinates to geocentric (origin is at the center of the spheroid) > coordinates. Because you were referencing this method, it was assumed that > you were using this type of mapping. > > If you want to get X,Y from a Lat,Long pair, you need to use some other > projection or mapping. You could use a Plate Carree projection or something > similar http://en.wikipedia.org/wiki/Equirectangular_projection. May I > also > suggest that you use something like GeoTrans or GDAL to assist you in what > you need to do. > > -Shayne > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of lucie > lemonnier > Sent: Friday, October 01, 2010 3:06 AM > To: [email protected] > Subject: Re: [osg-users] convertLatLongHeightToXYZ > > Hi, > > In fact, my model is not spheroid, it is a flat terrain. > That's why I need simply the position. > > Thank you! > > Cheers, > lucie > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=32257#32257 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >
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