On Sat, 17 Jan 2004 18:35:48 EST, "gregjohn" <pte### [at] yahoocom> wrote:
> I just don't like the
> way the quadratic, cubic, and natural splines look with a set of points

You could be interested in akima- , tcb- or x-splines. I have patched POV-Ray
for such splines and googling you can find math behind them.

tcb_spline
http://news.povray.org/povray.binaries.images/31196/

akima_spline
http://news.povray.org/povray.binaries.images/31227/

basic_X_spline
http://news.povray.org/povray.binaries.images/31266/

extended_X_spline
http://news.povray.org/povray.binaries.images/31279/
http://news.povray.org/povray.binaries.animations/31278/

general_X_spline
http://news.povray.org/povray.binaries.images/31435/
http://news.povray.org/povray.binaries.animations/31434/

ABX

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