Peter Popov wrote:

> Another approach would be (and I wonder why Ken, our resident hf
> expert, missed it :) ) to use a height field.

Hey ! I did mention it if you re-read my reply. I just wasn't very
specific about the techniques :)

-- 
Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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