Hello to everyone I created a solid from a closed wall ring, and I need to get the outer and inner polyline. The problem is that I can’t group the inner and the outer rings. [imagen_2020-12-17_131549] [imagen_2020-12-17_131718] As you can see, there’s only a group of lines, instead of a group…

I feel like you’d be better off going another way: Get all the wall’s solids. Union all the wall solids into one solid. Pull the faces from the unioned solid. Filter the list of surfaces to just those with a normal with a Z component of 1. Pull the perimeter curves.

How to create loops from a holed surface?

Geometry

joavegaco December 18, 2020, 1:21am 11

It’s working. Thanks a lot. But I’ve a problem:

RemoveIfNot is not working to remove the points from lists, to get only polylines.

Edit: Sorry. I’ve already realized that the string is “Autodesk.DesignScript.Geometry.Point”

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How to create loops from a holed surface?

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