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"Christopher James Huff" <chr### [at] mac com> wrote
>
> The macros don't do any sort of normal averaging at all. The method
I
> used is actually closer to that used for normal perturbation in
> textures, the macros sample the function used to generate the
height
> field to determine the normal. This might apply to image-based
height
> fields as well, if interpolation is used, but I haven't tested it.
>
Its a bit late at night for me but do I understand that I could use
trace() on a vertex and use the returned normal as an average for all
other triangles in a mesh sharing that vertex? I'm referring to
MegaPov, not 3.5 and just starting to play with generating triangles
for the first time.
Alf
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