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View Full Version : How do I add weight to gluNurbsSurface



Mary
01-30-2004, 06:58 PM
My nurbs' ctrlpoints are arranged in triangle, so I have to add weight here. But I don't know how to do. Please help me.

mikael_aronsson
02-01-2004, 11:57 AM
This is done with the fourth coordinate, each control point can have x,y,z,w where w is the weight of the control point, 1.0="normal"

Mikael

Mary
02-02-2004, 09:29 PM
Thank you very much.
But How to use it to trim Nurb surface.This is four dimensions.
Please help me again.