Re: [Algorithms] Heightfield to NURBS conversion

[Christian R. M. K. <chr...@pu...>]

"Christian R. M. Koerber" wrote:

> 
> I have a question too:
> 
> Could anyone of you point me to an algorithm on heightfield

actually I meant 'easy, ready to use algorithm'


> to NURBS conversion i.e an algorithm which takes as input
> an heightfield and returns the control points of the NURBS-
> surface which APPROXIMATES the heightfield to a user given
> error?
> I'd really like to avoid meddling with the later chapters
> of Piegl & Tillers NURBS book! Maybe you even know a pro-
> gram?