2
votes
Accepted
Sweeping cross section along nurbs curve
Unfortunately, there are no real answers for this. The problem is called 'offsetting'. It is often investigated in the context of typefaces / fonts. There is no analytical or exact solution for ...
- 156
2
votes
Accepted
How to decide granularity for sampling a bezier curve for rendetion
IIRC, Watt and Watt's "Advanced Animation and Rendering Techniques" (Chapter 3) has an interesting discussion on this (which I think is summarising the work of Clark https://dl.acm.org/doi/...
- 4,306
1
vote
Matrix form of an open uniform cubic b-spline
If you want to determine those matrices you have to use the knot vector $[0, 0, 0, 0, 4, 5, 6,...]$ and write out the expressions using the Cox-DeBoor algorithm. I believe you will need to compute the ...
- 1,283
1
vote
Accepted
Cubic Splines - Do Parametric and Explicit representation give different curves?
The two graphs are graphing Cubic Splines but they are not equivalent splines. The method used in the code you linked produces a curve that is very local to the points and produces the tightest fit to ...
- 3,354
Only top scored, non community-wiki answers of a minimum length are eligible