How to find out lines that points located in?

Hi there!
As this picture show, the frame is made from many short lines which penetrate one surface then produce many points. What I want to do is to find out the certain lines that those points located in. then use these lines to do some other changes.
Can someone help me? Thanks in advance.

find the lines.3dm (69.4 KB)
find the (9.3 KB)

You could implement a collision test.

find the (18.0 KB)

1 Like

I really appreciate it! That is what I want, thank you!!