On Wed, 11 Dec 2002 11:45:10 -0500, "Rick Gutleber" <ric### [at] his com>
wrote:
>I bet the Graphics Gems books have code that will allow you to determine a
>sphere tangential to 4 points in 3-space. The code for those books can be
>found on-line.
There sure is, but keep in mind that the circumscribed sphere is
usually not the smallest sphere containing four points.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vip bg
TAG e-mail : pet### [at] tag povray org
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