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

"Peter Popov" <pet### [at] vipbg> wrote in message
news:6ldgvu8m3haqih3b2cud5narcqn8p82pvi@4ax.com...
> On Wed, 11 Dec 2002 11:45:10 -0500, "Rick Gutleber" <ric### [at] hiscom>
> 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] vipbg
> TAG      e-mail : pet### [at] tagpovrayorg

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