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M) Save your drawing to a new name (and maybe version). This will import the data as lines and points with Civil 3D data included (you may have to do a zoom extents, and also set “PDMODE” to “2” to see the point data).
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J) Select “Create object data.” This is very important step as this will import the data information which will be required for the “SHP” files later). I) Select the “Radio” button to get the “Attribute Data.” You will get an “Attribute Data” window.
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H) Then select the inside the “Data” box and “Radio” button will display G) Select the items you would like to import (i.e., Pipes, Structures). Or “MapExport” is the command or “Map” then “Tools” then “Export” in Map 2008 menu.ī) Make sure you have the correct coordinate system setup in your drawing or you will be prompted to select one.Ĭ) A file will be created with a count of items at the command prompt and with the same name as the drawing and the extension “XXXXXX.SDF” and placed in the same directory as the drawing.Ģ) Now open a new drawing (I will use 2012).Ī) Change workspace to “Planning and Analysis” (this may vary per Civil 3D versions or setup).Ĭ) Select “Map Import” in the Import Box (this may take a few minutes).ĭ) Select the file you created in step 1 above.Į) This will open the box shown at the right.
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This will then give the client a very useful tool for existing and future design and maintenance of their facilities.Īrticle collaborator, Justin Comeau, and I created the steps listed below for export from Civil 3D and import into ArcGIS for Desktop.ġ) Export Civil 3D data to SDF format (I will use 2012).Ī) “AeccExportToSDF” (Civil 3D only) is the command or “Output” from the Civil 3D toolbar, then “Export Civil Objects to SDF” in the “Export” box (this may very per Civil 3D versions). Please note that this should be performed at a late stage in the design process. This will be very important to the design team and maintain the database as designed. This will also mean that you will not have to explode the Civil 3D design. It is at this point you will create SHP files with this data for export and then import into the GIS database.įollowing the steps below will allow all data created by the designer to be incorporated into the GIS program. The line work created in the steps below will also maintain the data associated with it. The first portion of the import will create 2D line work which can then be used for import into a CAD or GIS program. The following conversion technique has been tried on different versions of AutoCAD, from 2008 through 2012, but my suggestion is to export and import using the same version as you would ultimately be using. This doesn’t fall within my idea of keeping everything as simple as possible. All of this would then have to be recreated by the person’s using the GIS software. The problem with this is that all the data created by Civil 3D’s designers is then lost. One of many solutions I have read about was to explode the Civil 3D objects and then import the line work into the GIS software. The goal is to create data that can be visualized and analyzed in ArcGIS while maintaining the design information in Civil 3D and maintaining a simple and efficient workflow. The created ArcGIS file can then be imported into ArcGIS for Desktop. The process will extract the line work and data from the Civil 3D drawing (DWG file) and create a Shape file (SHP file) that is compatible with ArcGIS. This article describes the required steps to bring Civil 3D data into ArcGIS for Desktop. Back April 11th, 2013 Convert Civil 3D Data to SHP FilesĪs a certified Autodesk® instructor and a manager within the civil engineering industry, I have been asked many times about using AutoCAD® Civil 3D®-created data within ESRI ArcGIS.