H. Karsten <h-karsten()web.de> wrote:
> Take a closer look to these renderers. The are _only_ renderers - not a
> 3D-programming-environment like PovRay! The syntax often sucks, the options are
> weak. No way to make CSG-objects or iso-surfaces...

  Note that those renderers usually use highly-optimized triangle meshes
(in some cases perhaps NUBRSes, which are easily tesselable), and they
*still* manage to spend 11 hours for even the simplest images. Meshes are
very fast to trace. I can only imagine how long it would take if you put
some isosurfaces there...

-- 
                                                          - Warp

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