In this exercise, you will import point data from a text file into the current drawing.
For more information, see the AutoCAD Civil 3D Help topic Contours.
This exercise continues from Exercise 1: Creating a New TIN Surface.
Import point data into the current drawing
- Open drawing Surface-1A.dwg , which is available in the tutorials drawings folder .
This drawing contains an empty surface definition, which is named EG.
- Click Modify tab
Ground Data panel 
Surface. - Click Surface tab
Modify panel 
Add Data
Point Files. - In the Add Point File dialog box, under Format, select PENZD (Space Delimited).
- Under Source File, click
. - In the Select Source File dialog box, browse to the tutorial folder . Select EG-Surface-PENZD (space delimited).txt. Click Open.
- In the Add Point File dialog box, click OK.
- At the command line, enter ZE.
The surface, which contains the imported point data, is displayed in the drawing.
To continue this tutorial, go to Exercise 3: Adding Breaklines to a Surface.