No, I did not use a spherical warp on the isosurface, and rather than try to
explain what I did,
I will post the source code in povray.text.scene-files in a day or two.  I
imagine, however,
that what I did is functionally equivalent to the spherical warp you
mention......

Quadhall
tre### [at] ww-interlinknet

Josh English wrote in message <38CE64F6.5A6F733F@spiritone.com>...
>This has looks like it has great animation possibilities. Are you using
>a spherical warp on the isosurface?

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