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How to convert a periodic surface into non-periodic

HomeCategory: stackoverflowHow to convert a periodic surface into non-periodic
Avatargaurav asked 5 months ago

I am having trouble evaluating periodic nurbs curves and surfaces. I would like to simply convert the NURBS data to non-periodic by (maybe) duplicating the end knots and CVs to get a non-periodic surface.

Lets say I have a surface that is periodic in the U direction, but not V.

The U knot vector looks like this [2, 3, 4, 5]
multiplicites are [1,1,1,1]
and we have 4 CVs.

The data comes from Rhino. Others tools don’t seen to generate periodic surfaces.

How do I convert this to non-periodic? It seems simple enough, but my results are wildly incorrect. Does anyone have a simple solution?

1 Answers
Best Answer
AvatarFernando answered 5 months ago
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