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Is there a way to extract the co-ordinates of points on a b-spline or surface calculated by an evaluator and save it to a file?
04-22-2003, 05:19 AM
No, OpenGL has no support for this, you have to use an external spline library of some form.
04-22-2003, 05:32 AM
You can also look at the OpenGL spec to get the formulas used so that you can calculate it yourself.
I am already using formulas from “The NURBS Book”. It works OK. But I was looking for an easy way.
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