Revit Topography to Solid Mass

[jacob.small]

This should help you sort out the issue.

Create a solid from a topography

Hi guys¡¡ Im triying to create a solid from a topography…i have used the package of @Vikram_Subbaiah to convert the topography to a polysurface. Then i am triying to create a solid and the cut this solid with the polysurface of the topography with the nodes geometry.trim or geometry.split, but it doesn´t work…how can i get a solid topography?? The problem is not as easy as take the surface curves of the topography and extrude them as solids because as u can see i have a underground level in t…