From the course: Autodesk Civil 3D 2021 Essential Training

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Create a corridor surface

Create a corridor surface - AutoCAD Civil 3D Tutorial

From the course: Autodesk Civil 3D 2021 Essential Training

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Create a corridor surface

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- [Instructor] As you learned earlier, surfaces are a fundamental part of the Civil 3D Model and serve many functions. For that reason, we need to derive a surface from our corridor. Let's see how that's done. Before we dive in, I want to take you into the help and I want to talk about some of the detailed information that's stored within a sub-assembly. So let's do that. I'll click the help icon up here in the top right corner. And if you remember, our lane sub-assembly is called basic lane transition. I'll type that in the search field. And you'll see the very top link is that basic lane transition. As we scroll down through, you can see there's lots of information assigned to this sub-assembly. And I want to talk about how sub-assemblies are kind of broken down. The fundamental parts of a sub-assembly are points, links and shapes. The points are at each vertex in a sub-assembly. So in this one, we have points…

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