Le 11/08/2012 21:42, MichaelJF nous fit lire :
> I'm just figuring about splines a little bit. I encountered a representation
> with points at the curve and two control points for each such point. This
> "control points" are obviously in the gradient direction (plus/minus) of the
> spline but they can have different lengths. And they influence the original
> curve heavíly. Play around with the editor of the demo-version of
> www.nolimitscoaster.com and you will see what I mean. I have not found the
> mathematical representation of this parametrisation. Did someone have a hint?

Greetings,


Splines is a generic term which regroup a lot of approach, and sometime
a single formula get know under more than one name.

You might indeed be playing with Bézier curve
http://en.wikipedia.org/wiki/B%C3%A9zier_curve

> http://en.wikipedia.org/wiki/B%C3%A9zier_curve

(yep, there is also Bézier spline :
> http://en.wikipedia.org/wiki/B%C3%A9zier_spline

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