Sascha Ledinsky wrote:
> 
>> No.  No algorithm commonly used to directly raytrace NURBS would allow 
>> displacement mapping.  So the above statement does not make sense.
> 
> 
> I meant the tesselation approach (as used in POV-Ray for 
> bezier-patches).  Theoretically it should be possible to add 
> displacement mapping to the bezier-patch tesselation code.

Why would you want to do this if it is a mesh anyway and you could 
displace the mesh (any mesh, not just patches)?

Christoph

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