On Sat, 17 Jan 2004 09:55:29 -0000, "Andrew Coppin v2"
<and### [at] btinernetcom> wrote:

>That's fantastic!
>

thank you!

>I've always wanted to figure out how they do that... *sigh*
>
>

You might want to try:
 http://mathworld.wolfram.com/InversePoints.html

That's how I was able to figure it out.  That site is
a must for POVers.  It really helped when I was
re-learning trigonomitry for some renders.

I am also posting the source in
povray.binaries.scene-files.  Subject will be
"circle inversion"

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