In article <387276b9@news.povray.org>, "Patrick Dugan" 
<pat### [at] usticom> wrote:

> Now I'll have to find that to make I'm not hallucinating.  I was pretty 
> sure
> that the docs mentioned that clipping or differences cannot be performed 
> on
> "non" solid objects like height fields, dics, planes, etc.  If a 
> difference
> is supposed to work with a height field (like removing a box shape from a
> height field) then I cannot get that to function correctly.  I will post
> some example code that demonstrates my problem.

Differences and other CSG operations don't work on non-solid objects, 
but a height_field is a solid object, it has a defined inside and 
outside. I think clipping works on both with no problems, but it isn't 
exactly a CSG operation.

-- 
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/

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