Thank you for your comments.


Halbert & Hershel:

Yesterday, today and tomorrow are busy
days at work, so I will probably not be
able to post any NURBS code before the
weekend.


Hugo:

Yes, I think the meshes here ends up
quite similar to your "irregular" 
meshes. But I'm not sure yet.

For each UV-square I have two possible
orientations for its 2 triangles. And
the macro checks which of the two
possible diagonals will be in least
conflict with the location of the
surface in the middle of the UV square.
(The same macro were used for the Bezier
patch shape in the image I posted here
some days ago.)


Shay:

I'm sorry that I don't have time to
explain much now, but here are some
links to a few NURBS pages:

http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/notes.html 

http://www.cs.wpi.edu/~matt/courses/cs563/talks/nurbs.html 

http://www.ipm.sci-nnov.ru/~demidov/VRML/Splines/Intro/Intro.htm 

http://mrl.nyu.edu/~dzorin/geommodel-class/lectures.html 
(The links at this page points to Postscript files.) 

http://www.cl.cam.ac.uk/Teaching/1999/AGraphHCI/SMAG/advgraphnotes.html 


Tor Olav

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