When one exports a Rhino document into DWG the whole layer tree is flattened - the parent/sublayer hierarchy is lost. The information can be preserved by using the proper export option so that the layers are named like this: toplayer$sublayer$subsublayer The problem: When importing the DWG back i…

Hello, I think you can use rs.ParentLayer() for this. You may need to sort your layer list first with something like currentLayersAll.sort(key = lambda x: x.count('$') Hope this helps G

good news, but could you maybe change that “release target” to v8?

No, we are only fixing critical issues in Rhino 8; all other feature development and bug fixing is happening in Rhino 9 WIP.

[python] how to properly reconstruct layer hierarchy after re-importing from DWG?

Scripting

brian (Brian Gillespie) January 14, 2025, 10:19pm 3

RH-66996 is fixed in Rhino WIP

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[python] how to properly reconstruct layer hierarchy after re-importing from DWG?

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