Introducing AutoCAD® Civil 3D® 2010

Chapter 12. Grading

Beyond working with points, alignments, and profiles to create your proposed model, you'll eventually need to get into the grading features of Civil 3D. Civil 3D's grading features are divided into two main components: feature lines and grading groups. These tools can be used to describe a number of different grading ideas, and most users will need both to achieve their desired results efficiently.

Feature lines generally describe linear relationships between points of vertical intersection (PVIs). Generally similar to 3D polylines, but more powerful in that they can be made from true arcs and will also display line types properly, feature lines tend to be the starting point for many users. For some, they are the ending point ...