On 1 Dec 2008, at 06:17, Thomas Förster wrote: > Have a look at the Geod/Geoc classes in simgear/math.
Possibly I've mis-understood, but that was exactly my issue - Geod and Geoc are for polar co-ordinates - I need to work with Cartesian ones (as well), I think. Both the Geod and Geoc 'toCart' methods convert to SGVec3<double> as I mentioned, but that class is very simple. Hence my question about extending it, or some other solution. James ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
