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DXF file generated by running dwg2dxf cannot be opened by AutoCAD #19
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Can you share these files please? |
Faced similar problem. DXF file generated by libdxfrw can not be opened in XED text editor. This is due to NULL characters at some places. This issue can was solved by adding
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@Guruprasad-Rane this issue is about |
@lordofbikes Yes, I was using |
Does anyone know why this is? I'm using libdxfrw to export DXF files. The DXF files that are exported are opening fine in LightBurn, SheetCAM, and most online tools but they will not open in any Autodesk products. Fusion simply says failed to open DXF file or something similar to this without any useful explanation. |
I have the same problem. The DXF files generated with dwg2dxf open without issue using ProgeCAD and other apps, but fail to load with AutoCAD. I'm using version AutoCAD 2020. When I audit the DXFs in ProgeCAD, ProgeCAD reports the following issue but still loads the file without any other complaints: AcDbLayerTableRecord(10), PlotStyleName Id (F), Validation: , Replaced by: <Set to Null> Not sure if the above info is what's causing the AutoCAD load failure or not. I've also attempted to use AutoCAD's recover command on the DXF files but the recover command fails without any error messages at all. |
I seem to have found a fix. Since AutoCAD's recover command was failing I decided to use the CLASSICINSERT command to see what errors were produced. CLASSICINSERT complained about the $HANDSEED value of 20000 being too low and to edit the file and change the value to 20001. I did this a few times and each successive insert failed with the same message and to add another 1 to the handseed value. So, I decided to change the handseed value to something enormous and it worked. I just added an additional zero to the value making it 200000 and it now loads. |
I just confirmed that editing line 913 of drw_header.cpp and changing the value to 200000 eliminates the AutoCAD load problem for me. CLASSICINSERT now works without any issues. Edited line should read: writer->writeString(5, "XXXXXX"); Replace the X's with the hex number that you want to use. Make sure it's the same size as the number of entities in your DXF file or slightly larger and then recompile. Another option is to just edit your DXF file and change the handseed value there and save it. Ideally, this library and/or the dwg2dxf program should calculate the correct handseed value for the user rather than using an arbitrary, hardcoded value of 20000 hex (131,072 decimal). |
I have the same problem,too. autoCAD2020 and autoCAD2007 can't open dwg2dxf or dxf2dxf that autoCAD tell me Press Enter continue. If press Enter, my dxf file is close. Who can solve this problem? |
As already mentioned, this can't be solved without a sample to reproduce the issue. That means the |
A sample I give you, |
I use AutoCAD to draw a random drawing and save it as DWG. The DXF file generated by running DWG 2dxf cannot be opened by AutoCAD. If you open it with notpad + +, you will see a lot of black "NUL". There is no such "NUL" in DXF generated by AutoCAD.
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