Micha Riser wrote:
> 
> If you render following scene once with INVERSE = 0 and once with INVERSE =
> 1 you get two different results. Only the rendering with INVERSE = 1 is
> correct. Inversing the plane should not make any difference though. With
> '0' get some strange internal reflections in the sphere.
> 
> The problem is probably somehow related to the interior definition in csg.
> If you put the interior inside the sphere then the result is always correct.
> 
> Can anybody confirm this behavior?
> 

I can confirm it somehow does not behave like i would intuitively expect
it (i.e. the interior in the union having the same effect like when placed
in both objects individually).

What you get with 'INVERSE = 0' is the same you get with the sphere ior=1
and the plane ior=1.3 set individually.  

Christoph

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