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Filousov

Projective transformation of plane

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Hi, I have a vector of plane coefs P = (a, b, c, d), where ax + by + cz + d = 0 and point perspective transformation matrix M. Will be plane coefs P transformed correctly by inverse transpose of M into perspective space? Filousov [Edited by - Filousov on December 16, 2004 10:25:16 AM]

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I have found answer: The normal (a, b, c) coefs will be transformed correctly, but length will change. The d coef must be recomputed.

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