Trim with region not working?

[ffeldsberg (flow23)]

Hi! does anyone know what might be happening with my definition? I can’t trim this lines with the polyline. Thank you!

trim with region not working.gh (28.3 KB)

[HS_Kim]

Don’t flatten the curve input. You should care about the data tree.
And when your lines lie on the boundary edges, It’ll be likely to fail in some cases.

[ffeldsberg (flow23)]

Thank you so much!!! But what about this lines that are outside the region? How can I delete them or cull them?

[HS_Kim]

As I already mentioned…

@HS_Kim

And when your lines lie on the boundary edges, It’ll be likely to fail in some cases.

[ffeldsberg (flow23)]

Great! Thank you so much