Intersecting Surfaces

I need to combine two surfaces, but I only want to combine the surfaces in the area where one is lower than the other. Example - I have a rock surface and an E&S surface. Only part of the E&S surface is below the rock surface. I want to combine them to create a surface that is mainly the rock surface except where the E&S surface dipped below and will now be that surface.

Can you run Surface Intersection and use that as a surface boundary? Might/probably will require some manual cleanup, in my experience.

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merge surface > keep lower.

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Agreed. From my understanding of what you are wanting to accomplish it sounds like merge surface would work just fine. I don’t remember the exact order without looking at the command but you basically choose the two surfaces you want and then it pushes them together and the surface data from I believe your second surface will replace the data where it takes over your first surface. It might be the other way around I would play with the command but I think it will give you what you are looking for.

Nate below has the answer =- use Merge Surfaces and keep Lowest option, this will hold the lower of the two surfaces where they overlap

Alan

Interesting, I don’t think I have used this command in 5 years. Thanks!

Thank you all. The keep minimum option was the ticket.