Re: Morphing from a square to a curve-bounded area

"Dave Eberly" <dNOSPAMeberly@xxxxxxxxxxxxxxx> wrote in message
news:EjX7f.1702$AS6.1586@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> 2-control-point Bezier curves are not very interesting. Did you mean
> 3 points (quadratic)? My approach would be the 2D analog of
> "free-form deformation". Use a 3-by-3 grid of control points in
> the plane. The parameter space is [0,1]^2 (your square) and is
> mapped naturally to the region defined by the control points.

The 2D analog of free-form deformation is *exactly* what I'm interested in -
however I don't know much about it - so any pointers to an "idiot's guide"
would be much appreciated!


.

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