Cull curves from points


I’m trying to cull curve surface using points generated with other curves.
The index using to know which curves needs to cull works; but after the cull, the curves/surfaces are always there.

Does someone could help me ?


Exemple no (15.3 KB)
Exemple no work.3dm (51.3 KB)

Is this what you had in mind?

Exemple no (12.2 KB)

Check this as well.

Exemple no (9.2 KB)

Great. Thank you for all