Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 332

4 In the right viewport, select the 3D polyline that crosses between stations
0+060 and 0+080.
When you select the 3D polyline in the profile view, notice that the 3D
polyline in plan view is highlighted.
5 Drag the left
6 Repeat Steps 1 and 2 to examine the new elevation value.
When you grip edit a projected feature line or 3D polyline, the
corresponding elevation of the source object is adjusted.
7 Press Enter. Close the AutoCAD Text Window.
Modify the display of projected objects in profile view
1 In the right viewport, select the profile view grid. Right-click. Click Profile
View Properties.
The Projections tab is displayed on the Profile View Properties dialog box.
You use the controls on this tab to change the parameters that you used
when you projected objects onto the profile view.
320 | Chapter 9 Profiles Tutorials
grip down toward the bottom of the profile view.