Use this dialog box to save a Autodesk Civil 3D drawing in Spatial Data Format (SDF). You can use an SDF file in AutoCAD Map 3D and MapGuide Enterprise.
The Autodesk Civil 3D alignment, point, parcel, and pipe network data is converted to AutoCAD objects with attributes.
Specifies the file name. Defaults to the last file name used.
If the drawing already has a coordinate system specified, it is used automatically and these controls are not available.
Specifies the geographic zone.
Specifies the coordinate system within the selected zone category. If you do not select a zone category, then the default (No Datum, No Projection) is enabled. If you select a zone category but do not select a coordinate system, then, by default, the first entry in the list is selected.
Displays the coordinate system code.
Displays a description of the selected zone.
Displays the projection method for the coordinate system.
Displays the abbreviation for the datum on which the coordinate system is based.