Mastering AutoCAD® Civil 3D® 2012

Chapter 15: Grading

Convert existing linework into feature lines. Many site features are drawn initially as simple linework for the 2D plan. By converting this linework to feature line information, you avoid a large amount of rework. Additionally, the conversion process offers the ability to drape feature lines along a surface, making further grading use easier.

Master It Open the MasteringGrading.dwg file from the data location. Convert the magenta polyline describing a proposed temporary drain into a feature line and drape it across the EG surface to set elevations.

Solution

1. From the Home tab’s Create Design panel, select Feature Lines ⇒ Create Feature Lines From Objects.

2. Pick the polyline.

3. Toggle the Assign Elevations check ...