Questions about evaluate_single

[Jiacheng Qi]

Hello, 

I am now using this great package a lot. But I am confused by the u in evaluate_single,  how it is related to x or xy coordinates? How to get evaluated points at exactly X=2.5 for example?

I am looking forward to your response.

Thanks!

JC

[Onur R. Bingol]

Hello,

NURBS algorithms are always from parametric (u, v, w) to world (x, y, z) coordinates. World to parametric needs some work.

There should be a detailed answer for finding the parametric coordinates from the world coordinates which one of the users shared a while ago. You can search from here: https://groups.google.com/g/nurbs-python

Let me know if you cannot find it.

Onur R. Bingol, PhD

con...@onurbingol.net | https://onurbingol.net 

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[Jiacheng Qi]

Dear Onur,

Thanks! You helped me.

Jiacheng