In Place Mass voiding solid with no faces

[GeomGym]

Hi,

Still looking at extracting geometry from a revit project.

If a user has modelled voids (to cut from a curving wall by face), then a solid reports zero faces and edges.

Here's the code I've attempted.  Can some one please help with how to identify this geometry?

Thanks in advance,

Jon

[Anonymous]

I don't know if a in-place void does have faces.. When I snoop the void, it also tells there are no faces or edges. What are you trying to achieve ? Do you need the cut-off volume ?

[GeomGym]

Thanks for the reply.  I'd like to extract the faces (perimeter curves are fine for the time being as the faces are planar) so I can use the geometry in other software.

I hope there is a way of extracting them.

[Anonymous]

Hello geogym,

I think I've got the solution. I took your drawing and drew a new wall next to it and then used snoop. It new wall had 6 faces and 12 edges. When I snoop your wall it has 9 faces and 18 edges, so the wall itself knows it faces.

So I guess with the example on the wiki you should be able to get the faces 🙂

faces and edges

[Joe.Ye]

Revit didn't expose the API to read the in-place void family instance. 

As Remy pointed out, you can get the consequence of this void in-place family instance by its intersecting wall's geometry.