Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 88

Surface with points imported within a data clip boundary (left) and detail of the surface
(right)
8 On the command line, enter ZE to zoom to the extents of the drawing.
Restrict the surface data to a smaller area
1 Click Home tab
C-TOPO-BNDY-CORR layer, click
This layer contains an orange polyline that you will use to create a second
data clip boundary.
2 Expand the EG surface
Click Add.
3 In the Add Boundaries dialog box, specify the following parameters:
Name: Corridor
Type: Data Clip
Mid-Ordinate Distance: 1.000'
4 Click OK.
5 In the drawing window, click the orange polyline.
76 | Chapter 5 Surfaces Tutorials
Layers panel Layer drop-down. Next to the
.
Definition collection. Right-click Boundaries.