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Something about the Evaluators?

Started by March 14, 2002 07:58 PM
2 comments, last by Asarch 22 years, 11 months ago
What are they and what are they for? How can I use them?
They ''evaluate'' a NURBS patch at a number of points so that OpenGL can get vertices & triangles to draw it.

How to use them ? I don''t know, it''s in the manual.
"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." — Brian W. Kernighan
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Not really NURBS.

Evaluators "evaluates" Bezier patches.
NURBS are a particular usage of them, and NURBS are into GLU, not into OpenGL.

afaik, NeHe wrote a tutorial about evaluators.
I already saw the NeHe''s tutorial but it does not explain it as much in detail but, anyway!

Thank so much for time and for your answers. Good Luck!

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