- Select .ADDITIONAL INFORMATION: The Project Surfaces screen opens.
- Select Add.
- Enter a name, then select Triangulated surface from topo survey.
- Select Next. ADDITIONAL INFORMATION:
Figure: Surfaces screen - new TIN surface
The Triangulation of Topo Points screen opens. - Select the layer that contains the points from the Use points from layer: drop-down list.
- Select Finish.
- Select OK.ADDITIONAL INFORMATION:
Figure: Select a layer 
- Select Yes to set the new surface as active, or select No to make it inactive.ADDITIONAL INFORMATION:The main screen opens.
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