On Wed, 5 Mar 2003 [EMAIL PROTECTED] wrote:

> Okay, but does anyone know _how_ one can create a curve?

You need to go get a basic computer graphics textbook.  "Computer 
Graphics: Principles and Practice in C (2nd Edition)" by Foley, et al. is 
one of the canonical references.

Splines require that you play with the derivatives and match those up as
well.  Normally, the control points are related to concavity changes on
the derivatives.

Good luck,
-a

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