Steven Jones wrote:
> 
> I just had a real brainwave!  Normally height fields by definition don't
> allow overhangs.  I realised you could work around this by STACKING height
> fields.  You have a main height field and then a height field on top for the
> underside of any overhangs and then a third hf on top of that for the top of
> the overhangs.

Old idea but a good reminder.

-- 
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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