Containment circle

[laurent_delrieu]

Hello
you have some examples here, but they work with points and so don’t use the tangent or curvature.

Minimum Bounding circle & sphere

You can use this code [image] circle around points.gh (5.2 KB)

C# Welzl's Minimum Bounding Sphere

I’m not sure what you did exactly as I haven’t taken the time to really read and understand the changes to the code you made, but your changes do not work. I suspect it is an error in the MakeCircumcircle() function, but might be earlier, I didn’t study your changes closely. Here is an example of your version using the YZ plane, you can clearly see it is not finding the minimum bounding circle. It should touch at least 2 points, likely 3, but only touches one, thus it is not the minimum. [RGR…