Exercise 1: Creating a TIN Surface

For more information, see the AutoCAD Civil 3D Help topic Creating a TIN Surface.

Create a TIN surface in a new drawing

1. Click New.
2. In the Select Template dialog box, browse to the tutorial folder . Select Surface.dwt. Click Open.
3. Click Home tab Create Ground Data panel Surfaces drop-down Create Surface.
4. In the Create Surface dialog box, for Type, select TIN surface .
   Note

   By default, a new Surface Layer will be created named C-TOPO- followed by the name you enter in the Name cell. You can also click to specify an existing layer for the surface.

5. In the Properties table, specify the following parameters:
   • Name: EG
   • Description: Existing Ground surface from imported point data
   • Style: Points and Border
     Tip

     To select the style, click the Value cell, and then click to display the Select Surface Style dialog box.

   • Render Material: ByLayer
6. Click OK.
7. In Toolspace, on the Prospector tab, expand the Surfaces collection.

   The new surface name is displayed in the Surfaces collection in Toolspace on the Prospector tab, but this surface does not contain any data.

To continue this tutorial, go to Exercise 2: Adding Point Data to a Surface.