Questions tagged [curve]
The curve tag has no summary.
31 questions
4 votes
1 answer
241 views
How to remove a control point from a NURBS curve?
I am trying to write an algorithm to remove a control point from a NURBS curve, similarly to what can be achieved using the CVREMOVE command in AutoCAD. I searched online but I was unable to find a ...
2 votes
1 answer
1k views
Rendering splines on GPU
We have an application which needs to render spline curves (cubic, bezier, b-spline etc.). We currently have working algorithms in C to stroke the control points of these curves into line strips. The ...
- 153
1 vote
1 answer
2k views
Spline interpolation library in cpp
Have been searching a lot for a good spline interpolation library in cpp, came across one, which is the famous Eigen library , having the unsupported counterpart for spline fitting.<Here>. I ...
3 votes
1 answer
729 views
Determining Rational Quadratic Bezier Curve Weights for Circle
I am trying to create a spherical interpolation with 3 points. I'm currently using Quadratic Bezier Interpolation but have been told I should use Rational Quadratic Bezier Curve in order to get a ...
4 votes
1 answer
271 views
How do people come up with subdivision schemes?
Be it chaikin subdivision, loop subdivision, catmull-clark subdivision... How do people come up with the coefficients for an arbitrary subdivision scheme?
- 1,891
3 votes
1 answer
443 views
Non least squares formulation to fit catmull rom spline
I have a set of unordered points that I'm getting from an image attached. I'd like to simply fit a parametrized curve such as a catmull-rom curve to with n control points (n = 4 to 10, and can be ...
- 143
2 votes
1 answer
332 views
If you can use subdivision surfaces for 2D curves
I've seen how subdivision surfaces are good for 3D curves/modeling, but haven't seen anything on if it's good, or even usable, in 2D. My question is just that, if (a) you can even use subdivision ...
- 123
2 votes
1 answer
382 views
How should I generate Kochanek-Bartels spline endpoints?
I'm working on a program which uses Kochanek-Bartels ("TCB") splines. My question is: How do I deal with the first/last points of the spline? This type of spline needs a 'previous' and 'next' point ...
- 216