on 28.08.2009 at 12:38 Barend Gehrels wrote :
Do you mean transformations or projections? Our library GGL (Generic Geometry Library), aimed for Boost, has (about 100) projections (converted from Proj4). But proj4 datum transformations are not yet converted. So it might be useful to see if your transformations would fit into our library. There were already questions about transformations. i meant both but i implemented only transformation from cartesian to geodetic (XYZ->latitude,longitude,geodetic altitude) and back (which is trivial) i can provide source if you need it
GGL has Vincenty distance calculations but you probably mean transformations here? distance calc from start(lat,long) to end(lat,long) - this is the inverse geodetic problem i also implemented direct geodetic problem: start(lat,long)+distance+azimuth->end(lat,long)
-- Pavel