Technical data

Working with the Terrain Model Explorer
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Use the shortcut menus to add the surface data to the surface folder,
and then build the surface.
In the Volume folder, the Terrain Model Explorer stores information
about grid and composite volume surfaces that are created from the
volume calculations commands on the Terrain menu. Using the
Terrain Model Explorer, you can view properties about the volume
surfaces, as well as open, close, and view volume surfaces.