Barron Gillon wrote:
> not trace! I need to find the normal at an arbitrary point that> _may_or_may_not be on the surface.
If it is not a surface, how can it have a normal? I think you don't mean
this... but I can't understand it.
--
Jaime Vives Piqueres
La Persistencia de la Ignorancia
http://www.ignorancia.org
