PeterKetting wrote:
> 
> Can anyone please explain the proper use of the inverse keyword? The POV-Ray
> helpfile doesn't realy go into detail about it and I wonder if it is the key
> to create more complex CSG objects.


difference {
  object { ... }
  object { ... }
}

is the same as

intersection {
  object { ... }
  object { ...  inverse }
}

There are no CSG constructions that are impossible without 'inverse' but
it sometimes makes life much easier.

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 13 Mar. 2002 _____./\/^>_*_<^\/\.______

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