Create a Hole in the Mesh

1.Select the existing Mesh.

2.With the Mesh tool, draw a closed polygon that falls entirely within the Mesh polygon.

3.The New Mesh Points dialog box opens.

CreateHole.png 

4.Choose the “Create Hole” radio button.

5.Choose an option from the drop-down menu to define the relationship between the newly created points and existing ones.

No Surface Fitting: the slopes of the Mesh will be connected to the bottom elevation of the Mesh.

MeshSurfaceNoFit3DHole.PNG 

Fit to User Ridges or Fit to All Ridges: With these options, no slopes will be connected to the bottom of the Mesh, allowing you to place your building exactly into the excavated site.

MeshFitHole3D.PNG