On Tue, 5 Mar 2002 09:02:46 -0800, "Shay" <shi### [at] houstonrrcom> wrote:
> Two pictures here. The first is a wire frame showing how the different
> vertices each have 2 to 8 triangles including them. The second is a picture
> of the smoothed mesh.

I have checked your source and found comment:
        // normalize the sums of the triangle normals
        // for each vertex to get the normal for the vertex
So I assume you use simple averaging of normals.
You can consider weighted averaging - look into my post at
http://news.povray.org/3a30d5ac%40news.povray.org

ABX

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