Thanks .. I only needed an approximate solution. Nieminen has given me what
I need, although there is lots of interesting stuff on that page.

--
Paul Vanukoff
van### [at] primenetcom


Ken wrote in message <386E3AA8.9FA59129@pacbell.net>...

>As I understand it the easiest method does not exist. There are simply to
>many solutions to the problem. Check out the sphere FAQ at -
>
>http://www.math.niu.edu/~rusin/papers/known-math/index/spheres.html
>
>--
>Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
>http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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