"Mark Wagner" wrote:
> I tried using the four control point method for pure splines,
> but that resulted in sharp turns at the control points.

Funny, I've never had that problem and the splines in prisms don't have it
either.

> The "all control points" method gives a spline that is
> smooth along its entire length (essential for those
> applications that require computing the second
> derivative of the spline).

That's probably a fine spline, but is it a cubic spline or a completely
different type? To have different spline types go under the same name seem
like a very bad thing to do. Is it official POV-Team policy to do that?

Rune
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