Christoph Hormann <chr### [at] gmxde> wrote in message
news:3B1605D5.B0C5D0A3@gmx.de...
>
>
> Gail Shaw wrote:
> >
> > afaik 'Real' radiosity requires triangle meshes. That means for pov to
> > implement it, every object would need to be tesselated (Converted to
> > triangles). Easy enough for boxes, imagine tesselating a julia fractal
> > or a complex isosurface...
> >
>
> Not to mention a sphere...
>

A reasonable approximation of a sphere isn't hard. A sphere's geometry
is well defined. The problem I can see with isos expecially is that they
don't
have a well defined geometry and can look like anything.

I don't even want to think about writing code to tesselate any isosurface.

Gail
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