Le 19/02/2013 11:46, paola nous fit lire :
> Hi,
> I'm using bezier.inc and this commands:
> 
> #declare Spline1 = array[4] { A1,B1,C1,D1 }
> #declare BezRad = 0.01;
> #declare FullCurve = true;
> DrawSpline(Spline1)
> 
> is it possible to get the equation of the resulting curve?

If the implementation is correct, the curve should be
 P(t)= A1.(1-t)^3 +3.B1.t.(1-t)^2+3.C1.t^2.(1-t)+D1.t^3

For t from 0 to 1;

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