Not sure what you mean by multiple datums. Set the drawing's coordinate system zone and units. Civil 3D is a design tool and should not be considered a survey adjustment tool. The status bar of Map 3D will appear in the menu at the bottom of the Civil 3D program. Choose a category that closely resembles the location of Select the Data. Coordinate Systems Coordinates in Autodesk Civil 3D are expressed using northings and eastings. To work in AutoCAD is necessary to know the Coordinate System. Set the file name and location, and confirm that the coordinate system information is correct, and then click OK. In this example, our target coordinate system is UTM Zone 13, NAD83 Meters (UTM83-13). How do you test a shapefile coordinate system? Navigate to the Reference Systems folder and add the file usstpln83. In the Settings tab of Toolspace, right click on the drawing name and click Edit Drawings Settings. One word of caution is that this changes the origin (or base point) in model space away from the previous setting to the point of the line selection. ) This system of coordinates is referred to in AutoCAD as the world coordinate system, or WCS. We want to manage the project coordinates for the local site in Revit and to be able to locate Revit models against the larger project in world coordinate systems back in Civil 3D and in other tools like InfraWorks 360. A custom UCS is a common aid for 3D drawing. Under Drawing Units, select either Feet or Meters.
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