AutoCAD® Civil 3D® 2012 Essentials: Autodesk® Official Training Guide: Essential

Creating Corridor Surfaces

In Chapter 4, you learned the benefits of using a surface to model the existing terrain. A surface provided a model of the land and enabled you to do things like display contours, label elevations, and create surface profiles. Imagine having all of those capabilities with a corridor as well. This is made possible through the creation of a corridor surface.

Corridor surfaces are unique in that they exist as a property of the corridor, although they show up in Prospector like any other Civil 3D surface. You use the Corridor Surface dialog box to create the initial corridor surface, and then you choose the data within the corridor that is to be added to this surface. You can choose links and feature lines based on the ...