"Neil Kolban" <kol### [at] kolbancom> wrote:
> Ed,
> I am a newbie here too but my understanding is that with the b_spline, there
> are points before and after the ones that you want "visible" that direct the
> shapes entry and exit from the scene.
>
> Have a look at the following web page:
> http://www.cse.unsw.edu.au/~lambert/splines/Bspline.html
>
> You will notice that points '0' and '3' don't "show" in the curve but have a
> strong effect on how the curve starts and ends.
>
> Neil

Ah I see. In the meanwhile I had a look at
(http://www.povray.org/documentation/view/3.6.1/63/). Thanks anyway.

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