POV-Ray: Newsgroups: povray.general: Patch objects not allowed in intersection.: Patch objects not allowed in intersection.

POV-Ray : Newsgroups : povray.general : Patch objects not allowed in intersection. : Patch objects not allowed in intersection.		Server Time 29 Jul 2024 18:26:52 EDT (-0400)

From: Stephen
Date: 10 Dec 2010 05:16:12
Message: <4d01fdec$1@news.povray.org>

PovRay gives a warning when Patch objects are used in a Difference or 
Intersection. (Ver 3.6 & 3.7)
Parse Warning: Patch objects not allowed in intersection.

3.4.2  Finite Patch Primitives
There are six totally thin, finite objects which have no well-defined 
inside. They are bicubic patch, disc, smooth triangle, triangle, polygon 
and mesh / mesh2. They may be combined in CSG union but cannot be used 
in other types of CSG (or inside a clipped_by statement).


except for differencing a patch from a primitive when the use of the 
inverse keyword in the CSG helps.


relevant?

-- 
Regards
     Stephen

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