Warp wrote in message <3a2fe6ad@news.povray.org>...
> By the way: It's interesting to note that this same problem can
appear
>even if we use the average of the normalized normal vectors of the
triangles.
> I have never thoight about that...
than if this appear for both method (weighted and not)
than consider comparison for proper triangles
(picture sended at p.b.i)
ABX
