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    RE: Flattened Primitives (was Re: 1x1 and 2x2 chess sets) —Lars C. Hassing
   (...) No, sorry, wrong word, I didn't mean part authors are lazy! Because POV is a ray tracer, it needs to calculate transformations backwards and therefore it calculates inverse matrices. If a matrix is singular it cannot be inverted, so POV won't (...) (25 years ago, 4-Mar-99, to lugnet.cad.dev, lugnet.cad, lugnet.build)
 

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