line weights in dwg to pdf conversions

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I regularly convert AutoCAD dwg files to pdf files. Some of the lines in these drawings have bolder lineweights, to emphasize them. When I view the pdf files in Acrobat Pro, the lineweights all default to a single width. However, when I preview these same files in gmail, the lineweights display correctly, so obviously, the lineweights were saved as part of the pdf's. Is there an Acrobat display setting that I can change to correct this issue?

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Abambo

Community Expert

How do you create the PDF file? What happens when you scale the data a lot? Adobe uses screen optimization, so it's display is not always accurate. It tends to be accurate when you go to higher zoom values, or when you print the file.

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ABAMBO | Hard- and Software Engineer | Photographer

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Pierre_6.1Author

Inspiring

I use one of the *.pc3 virtual plotter files that comes as part of AutoCAD, usually the "AutoCAD PDF (High-Quality Print).pc3" plotter file. It doesn't matter which pc3 file I use, however: the results in Acrobat Pro are the same. I also ensure that the "Plot Object Lineweights" option is selected in AutoCAD. So to circle back to my original inquiry: is there a way to control the settings in Acrobat Pro to adjust the screen optimization?

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Pierre

Abambo

Community Expert

Please share a PDF file with us. It can be a dummy file, but it should be clear, what thicknes what lines should have.

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ABAMBO | Hard- and Software Engineer | Photographer

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