"Hugo" <hua### [at] post3 tele dk> wrote in message news:3c44ab30$1@news.povray.org...
> OH! Isosurface! I should have guessed. Thanks a lot for sharing the code.
> My own attemps will probably remain non-iso's cause I'm considering ways to
> cover any object with snow and drifts.. And I want it to render quicker,
> too.. Those big hopes won't be easy to fulfill, but it must be possible with
> "trace" and a clever use of primitives / triangles as "bottom layer" for the
> drifts and some blobs at the surface of them.
I used to trace to place the snow in the foreground in:
http://www.irtc.org/ftp/pub/stills/2000-04-30/tmcity.jpg
source at:
http://www.irtc.org/ftp/pub/stills/2000-04-30/tmcity.zip
but it was a rather brute force approach....
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