Creating Breaklines By Point Selection - Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD User Manual

The new breaklines will look like the graphic below.
5.1.5

Creating Breaklines by Point Selection

1. On the Prospector tab of the Toolspace, select the Point Group Breakline.
This will display a list of all the points used in the surface in the preview window at the bottom of the
Prospector, if the Prospector is docked. If the Prospector is not docked it will display on the side.
2. Find point number 1110 in the preview window.
3. Right-click on point 1110 and select Zoom to. You may want to zoom out some to see the
surrounding points.
4. Enter 3P at the command line to start the 3D Polyline command.
5. Enter 'PO to change the prompt to Point Object.
Alternatively, you can also select the Point Object button
6. Pick point 1110 from the screen.
7. Then pick points 1109, 1108, 1107, and 1106 to draw a breakline between the TOP points toward
the northeast corner of the site.
When using the Point Object transparent command to draw lines between point objects you will not see the
rubber band line that you normally see with the line command.
8. [Enter] to end the Point Object prompt.
9. [Enter] again to end the line.
164
Chapter: Building a Survey Quality Surface
from the Transparent Commands toolbar.
Lesson: Building Surfaces from Survey Data