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On Wed, 19 May 2004 12:25:44 EDT, "Helix" <nomail@nomail> wrote:
> So, why it doesn't work ? And how Povray proceed to compute normal vector ?
In short Normal in Point P on torus surface has direction of vector which ends
in point P and begins in nearest to P point on circle created by major rarius.
So all you need is to normalize this vector. HTH,
ABX
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