really interesting this post, thanks for the great Python code.
my workflow is slightly different from the previous explained here and the python doesn’t work in my case.
I try to explain:
I use a linked toposurface created in Civil3D linked trough BIM360.
When inside revit you draw a subregion inside a linked toposuface, for some reason unknown to me, the subregion becomes like a normal subregion created from a native revit topography.
this new subregion can be used without problem with Dynamo to create other elements, like floor.
Because I have a lot of subregion to create before use them to create floors, I’d like to create this subregion with dynamo instead of manually.
I’ve tried to use this python to do this but i receive an error when I use it with linked toposurface, as show in the following images.
my knowledge of python is limited and I don’t know if it is possible fix the problem.
thanks for any help