Hi Sebastian, Personally I'd subclass from osgTerrain::GeometryTechnique and pass a FloatArray as a vertex attrib array or tex coord array and store the heights there.
Robert. On 4 December 2013 13:23, Sebastian Messerschmidt < [email protected]> wrote: > Hi, > > I have a osgDEM produced geocentric database. > I looked into the geometryTechnique implementation to see if I somehow can > access the height of the vertices above the ellipsoid in the vertex shader. > Unfortunately I don't have any idea how to calculate this from the give > matrices. Is this information somehow available at all? > My plan is to overwrite some of the functionality in the geometryTechnique > to pass the appropriate matrices to the shader. > Anyone having an idea? > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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