In article <3DF2A029.A55D1FD2@hotmail.com>,
 Dan Johnson <zap### [at] hotmailcom> wrote:

> Don't know about using a box to bound an irregular tetrahedron.  Sounds
> relatively tricky.  

Finding an optimal axis-aligned bounding box is very easy, just find the 
min and max extents of all four points. A sphere or an aligned bounding 
box would be trickier.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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