web.48bddbcdcd5c21439ef408df0@news.povray.org...
>> #while (IN A REGION WE WANT TO PLANT)> #declare h = trace(map, <x,y,2>, <x,y,0>, norm);
// beware trace() waits for a coordinates vector then a DIRECTION vector,
not a destination one.
// I'd write instead trace(map, <x,y,2>, -z , norm);
Marc
