Nekar Xenos wrote:
> 
> "Ken" <tyl### [at] pacbellnet> wrote in message
> news:3BB08672.2BC28F27@pacbell.net...
> >
> >
> > Nekar Xenos wrote:
> > >
> > > Pov primitives, blobs and iso-surfaces...
> >
> > Won't happen.
> >
> 
> I can imagine blobs and iso-surfaces could be difficult, but I don't really see
> a problem with primitives?
> 
> - Nekar

Some possible troubles from primitives:

 - All infinite solid primitives are nearly impossible to simulate 
    always correctly with triangles/polygones
   (plane is the first used, but quartic/quadric/poly/cubic are available too)

 - CSG !!! (excepted for union, which is really a do-nothing(*) )

 - You will have real fun with "text" object

 - All the really smooth finite solid primitives (e.g. superellipsoid, 
   sor, lathe, prism,...)
 
 - the julia_fractal is finite, but nearly impossible to tesselate correctly
   (unless you have really a lot of memory for the mesh...)



*: Excepted it permits to share some material & transform.

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