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Understanding Surfaces

Topics in this section
  • About Surfaces
    A surface is a three-dimensional geometric representation of an area of land, or, in the case of volume surfaces, is a difference or composite between two surface areas.
  • About the Surfaces Collection (Prospector Tab)
    Use the Surfaces collection in the Prospector tree to access the surfaces in a drawing. As surface objects are created, they are displayed as named surfaces under the Surfaces collection.
  • About the Surface Collection (Settings Tab)
    Use the Surface collection in the Settings tree to manage surface settings, surface styles, surface label styles, surface table styles, and surface command settings.
  • About the Surface Definition
    A surface definition is a collection of a surface build, data, and edit properties, as well as a list of the operations that you have performed on the surface. The type of definition data items that a surface can have depends on the surface type.
  • About Adding and Editing Surface Data
    You can edit and add data to a surface after you create it.
  • About Working With Large Surfaces
    In Autodesk Civil 3D you can build, edit, and save large surfaces. The term “large surface” applies to a surface with a number of points exceeding one million (generally, 1 million points for a grid surface or a snapshot of a TIN surface, and 2 million points for a TIN surface).
Parent topic: Surfaces

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