Skip to main content
The 2024 Developer Survey results are live! See the results

Questions tagged [catmull-rom-curve]

The tag has no usage guidance.

catmull-rom-curve
0 votes
0 answers
14 views

Three.js ExtrudeGeometry CatmullRomCurve3 not closing

I am struggling with this one problem with my extruded geometry, that the two ends of the rails for the railroad are not at the same rotation and therefore are not closing properly: Here is what my ...
Felt_Notebook's user avatar
1 vote
1 answer
123 views

Catmull-Rom spline for Data visualization

So I am doing a project wehere we use the Convex hull to group the points and Catmull-Rom spline to make it more round like shown on the picture: Now i got the next task which is to connect the paths ...
pele's user avatar
  • 21
0 votes
1 answer
424 views

How to connect two points with a tube in threejs?

Using Threejs, I want to create a tube between two points that have x, y, z coordinates. I don't want to rely on some equation to generate points for a fancy curve. This documentation confuses me. I ...
Scott Pendleton's user avatar
1 vote
1 answer
344 views

How do you animate between two different lists of CatmullRomSpline points?

I've been playing around with the CatmullRomSpline class from Flutter the past few days. Drawing points with is trivial, however, I've been looking for information on interpolating between two sets of ...
Daniel Hakimi's user avatar
4 votes
1 answer
5k views

How do I find the control points for a Bezier curve?

I need to implement connections in the form of curved lines in C# (Unity). I would like to get the result as similar as possible to the implementation in Miro.com (see screenshot). After attaching the ...
g0dzZz1lla's user avatar
3 votes
1 answer
459 views

Spline Catmull-Rom for image zooming using C++ and opencv

I'm trying to implement spline Catmull-Rom for image zooming using C++ and OpenCV. I performed two tests, the first is image zooming (X2), and the second image reconstruction (zooming image decimated)....
Salim Elheni's user avatar
2 votes
1 answer
196 views

Problems when using same coordinate twice in a Catmull-Rom Spline

I'm currently messing around with Catmull-Rom splines, and have found a problem that I'm not sure how to solve. So when I use a method to do the Catmull stuff, I have to give an ArrayList of 4 points. ...
PartyPlanet's user avatar
2 votes
0 answers
393 views

Convert a degree 3 cubic Nurbs Curve to Catmull-Rom?

Is there a way to convert a degree 3 cubic Nurbs curve to a Catmull-Rom curve? The Nurbs curve has a standard knot vector, so for example a curve with 10 control points has these 12 knots: [ 0 0 0 1 ...
Daniela's user avatar
  • 179
1 vote
1 answer
982 views

Algorithm to cut a catmull-rom spline?

I have a catmull-rom spline with 6 CVs and want to cut it at an arbitrary point along the spline. How do I calculate the end points of the two new splines so that they keep the shape as they had ...
Daniela's user avatar
  • 179
1 vote
1 answer
2k views

Centripetal Catmull-Rom spline interpolation alpha parameter

After searching almost every topic on Catmull-Rom splines and finally implementing it successfully I'm now stuck at a point where I don't know if I made a logical mistake or if my code is simply wrong....
CyDySy's user avatar
  • 31
11 votes
4 answers
7k views

Acceleration in Unity

I am trying to emulate acceleration and deceleration in Unity. I have written to code to generate a track in Unity and place an object at a specific location on the track based on time. The result ...
Dan's user avatar
  • 7,605
2 votes
1 answer
1k views

Adding alpha to Catmull-Rom

I am trying to generate a Catmull-Rom curve from a list of points in Unity. As I do not want to store points in between points of the curve I opted to use a solution that could calculate a position in ...
Dan's user avatar
  • 7,605
1 vote
2 answers
4k views

How Can I Convert a THREE.CatmullRomCurve3 to a Mesh?

I have created a line graph in 3D using THREE.js and the CatmullRomCurve3 class, which takes care of the curves and smoothing I wanted. Unfortunately, now that I want to take that curve and turn it ...
sands's user avatar
  • 342
1 vote
0 answers
92 views

moving a curve by inverse slope of each point without overlap

I am trying to draw curves a specified distance away from a curve. Kind of like the sides of roads are always a set distance away from the yellow lines in the center. I have code to do this, however, ...
Dualdragoon's user avatar
1 vote
1 answer
2k views

I need help on drawing a Catmull-Rom spline using given control points

I'm trying to create an openGL program that allows the user to click anywhere on the window, creating a point in that exact cursor coordinate for every click, and then draw a curve through those ...
Jonathan's user avatar

15 30 50 per page