POV-Ray : Newsgroups : povray.advanced-users : Tetrahedron Macro that uses Prism primative : Re: Tetrahedron Macro that uses Prism primative Server Time
29 Jul 2024 10:22:42 EDT (-0400)
  Re: Tetrahedron Macro that uses Prism primative  
From: Christopher James Huff
Date: 16 Dec 2002 21:16:45
Message: <chrishuff-01A022.21121216122002@netplex.aussie.org>
In article <3dfe6b6f@news.povray.org>, "Rick Gutleber" <ric### [at] hiscom> 
wrote:

> If the points are _tangential_ to the sphere, wouldn't there only be one
> solution?

He said that the circumscribed sphere (with all points on the sphere) 
wasn't the smallest sphere *containing* the points. In some cases, the 
smallest sphere touches only 2 or 3 points.
For a regular tetrahedron, the smallest sphere does touch all 4 points.

-- 
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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