Tor Olav Kristensen wrote:
> 
> The photo below shows the roots of a little
> "bushy" tree I found.
> 
> I find this quite fascinating and I wish
> that I could come up with a noisy pattern
> for an iso that would produce such images.
> 

That looks really nice, but it would be quite hard to do such a thing with
a Povray isosurface.  Maybe it would be better to use some kind of growing
algorithm (l-system) with collision detection.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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