Re: [cgkit-user] Bezier Curves

[Matthias B. <mat...@gm...>]

Hi Paul,

Paul Wellner Bou wrote:
> Actually, I have the four points of the bezier curve I want to draw. 
> After playing a bit more with the BezierCurve I found out that the 
> BezierPoints are not supposed to be any points within the bezier curve 
> but the points where one bezier curve ends and the next one starts.
> 
> As I have the four points I should be able to draw the complete bezier 
> curve, using the first point and the last point as BezierPoints and the 
> differences between the second and the first, and the last and the third 
> as tangents, right?

Yes, that's exactly how it works.
If you have two consecutive BezierPoints p1 and p2, then the Bezier
curve connecting those points is defined by the four control points p1,
p1+outTangent1, p2+inTangent2, p2.

> Should work. Tried it, but the visualisation is not how I expected it, 
> but this may be due to my data.

Hm, can you send an example?

- Matthias -