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CAD tip CAD tip # 6092:

Question CAD 
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Q - question

How to detect DWG files containing AEC objects?

A - answer If you need to identify all DWG drawings containing so called "AEC objects", i.e. objects from the applications AutoCAD Architecture (ADT), AutoCAD Civil 3D or AutoCAD MEP (ABS), you can use the CADstudio DBXscanAEC application.

The free LISP utility DBXscanAEC scans all DWG files in a given folder (and its subfolders) and generates a report with a list of all DWG files containing AEC objects. The files are not opened individually.

If you open such DWG files in AutoCAD, you will need the "Object Enabler" or you will get only proxy entities. This utility can detect such files, so you can resave them properly to a plain DWG format - with the ExportToAutoCAD command.

Just appload this utility and start the "DBXscanAEC" command. Browse to the folder you want to process and click "Save". It will find DWG files saved from AEC applications.

You can download DBXscanAEC from, see the accompanying TXT file.

Sample of a report:
Xanadu DBXscanAEC report (drawings with architectural AEC objects)  
Timestamp: 20080418.0923  
Start processing root folder C:\Civil 3D Projects\  
Start processing folder C:\CIVIL 3D PROJECTS\  
-- C:\Civil 3D Projects\BasinAreas.dwg  
-- C:\Civil 3D Projects\BIG_LOM.dwg, ***_AEC_objects_***  
-- C:\Civil 3D Projects\GPS Data.dwg, ***_AEC_objects_***  
---- processing finished ----

More about DBX utilities

100% *  CAD 
18.4.2008    23868×  

See also:
Tip 12860:What are the proxy objects of the application NUCLEUSFORACAD?
Tip 11502:How to detect DWG files created as an export from Autodesk Revit?
Tip 9913:How to detect DWG files created in the drawing module in Autodesk Fusion 360?
Tip 7341:How to scan all DWG drawings for missing SHX files?
Tip 6598:How to detect all DWG files containing Xrefs?

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