Isolate a surface

A small piece of the active (TIN) surface can be isolated. Triangles out of the isolated region can be ignored.

Select and hold on the main screen to show the Context menu.
Select Isolate Surface to show the Isolate Surface Region screen.
ADDITIONAL INFORMATION:
Figure: Surface isolation
Enter or select:
ADDITIONAL INFORMATION:
- Maximum grade translation– enter a maximum deflection value between adjacent triangles in the TIN surface.
- Extend grade at edge by– enter a value to extend the grade of the isolated region.
- Surface Color/Extension Color – select a color for the surface and the selected extension. Select OK to go back to the Surface Isolation screen.
Select OK to go back to the main screen.
ADDITIONAL INFORMATION:
The isolated region shows in the Extension Color selected in Step 3.
Figure: Isolated surface