u/Still_Software_5436

How to delete surface points inside of closed polylines?

How to delete surface points inside of closed polylines?

https://preview.redd.it/18bs2c55lx0h1.png?width=578&format=png&auto=webp&s=344bfc2c70146e0f42a734bcbe42852f8c083bce

I have a base surface (black with grey contour lines and yellow/red slope shades). I have made gradings overtop of it (the blue polylines). How can I easiest combine these details? I figured deleting the points underneath each new grading would be simple, but there are TONS of points. Is there a function that deletes surface points within a certain boundary? Thank you!

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u/Still_Software_5436 — 19 hours ago