Concerning heightfields, you should not use intersection or differences
indeed. Best thing to do is to make the space outside the bread slice black
(height 0) and set the waterlevel at, say 0.1. That way, you only get the
slice rendered and the ouside part is ignored. Nice and effective! The
difficulty would be to position the heightfield perfectly with the bread of
course. For the slice it is less of a problem.

Thomas

"Steve Shelby" <ssh### [at] rexnetnet> schreef in bericht
news:3fb77c93$1@news.povray.org...
> Thank you. I've been trying heightfield, and it produces a perfect
texture,
> but when I try to combine it with the bread in a difference or
intersection,
> it won't render properly, and always eventually causes Moray to crash. I
> havn't tried isosurface yet, it might work, but render times with
> isosurfaces are sooooo slooooowww.
> Steve

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