In this exercise, you willadd point data from a predefined point group.
Expand the Area1 folder to view the TIN data folders.
Select Point Groups, and then right-click and click Add Point Group to display the Add Point Group dialog box.
From the Point group name list, select Area1, and then click OK to return to the Terrain Model Explorer.
The point group name is displayed in the right pane of the Terrain Model Explorer.