[Fluxus] nurbs explode FAIL

[Dave Griffiths]

On Tue, 2010-01-26 at 11:14 +0100, gabor papp wrote:
> > Thanks for that, but there's still an oddity - there are 3 extra rows?
> oh, yes. sorry, i forgot about that. there are some extra control points 
> for nurbs surfaces. it's a bit confusing, so i was suggesting some time 
> ago to make smaller surfaces, but stick to the pdata size the user 
> requires. for example for nurbs planes you get +1 rows and columns.

In the case of the sphere this is happening as you need to duplicate the
control points in order to get a continuous shape at the start and end
of the patch. NURBS are a bit tricky and it's hard to avoid this sort of
thing - but it should be documented properly, currently it isn't.

cheers,

dave