Adding Control Points to lengthen a NURBS curve

barbarossa 101 Aug 28, 2008 at 18:47


I’m trying to find a method to add new points to a NURBS curve, extending it. All the documents I’ve seen talk about adding more control points along the spline (by inserting new knots) but never talking about how to add more points to the end, making it longer.

If I did use the insert knot method to generate a new control point, I’d need to move it to my new position, which (I’m pretty sure) would require recomputing the knots that were affected by the move. This I haven’t been able to understand how to do either.

Does anyone have any ideas?


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