Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD User Manual page 23

10. Starting at point 1116, define a second breakline along the bottom of the ditch using the 'PO
transparent command and points 1116, 1117, 1118, 1119, and 1120.
11. [Enter] to end the Point Object prompt.
12. [Enter] again to end the line.
13. Starting at point 1111, define a third breakline along the bank of the ditch using the 'PO
transparent command and points 1111, 1112, 1113, 1114, and 1115.
14. [Enter] to end the Point Object prompt.
15. [Enter] again to end the line.
16. Save the drawing.
The three new breaklines will look like the graphic below.
Lesson: Building Surfaces from Survey Data
Chapter: Building a Survey Quality Surface
165