Terrain Surfaces to Civil 3D Dialog Box

Use this dialog box to specify the style and layer for TIN surfaces when Autodesk InfraWorks terrain surfaces are brought into AutoCAD Civil 3D.

Surface Style
Specifies the style to use for the TIN surfaces. The surface style specified in the CreateSurface command settings is used as the default.
Layer
Specifies the layer to use for the TIN surfaces. The layer that is specified in the Drawing Settings for TIN surfaces is used as the default. Enter a layer name or click to open the Layer Selection dialog box.