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Text Masks appear as black boxes or as grey lines when viewing PDF in Acrobat
Text Masks appear as black boxes or as grey lines when viewing PDF in Acrobat



This problem generally occurs because of the way Text Mask areas are generated in the temporary Postscript file which is used to make the PDF. Bluebeam PDF Revu handles the displaying of text masks within a PDF correctly however Acrobat will display text masks as shown in the sample images below.




Solutions:

Because of the nature of Text Mask it is important to understand that Line Merge must be disabled in order to have Text Masks work. This is a key point, currently Text Masks and the Line Merge are not compatible with one another. Because of the way that text masks are defined in AutoCAD, unless blend modes (Line Merge) are disabled, the underlying hatch patterns which text masks always block out will blend through and be shown intermingled with the overlapping text.

Solution #1 When creating a PDF from within AutoCAD using Bluebeam PDF Revu CAD Edition turn off the Line Merge option. Press the Settings button to display the General Settings Menu:



Solution #2 If you’ve disabled Line Merge and are still seeing the blacked out text when viewing the PDF in Acrobat, turn off the Smooth Line Art setting in Acrobat. This setting is can be checked in the "Edit/Preferences/Page Display" Menu in Acrobat.



Solution 3 Switch to the Heidi Driver for making the PDFs. Selecting the option should eliminate the need for changing the Smooth Line Art option described in Solution #2. This should be last solution attempted however, because text will not transfer as searchable text in the PDF document.

The process follows:
  • Exit AutoCAD.
  • Go to the Windows/Start/Bluebeam Software/Bluebeam Administrator.
  • Choose the AutoCAD Page Sizes Tab.
  • Select "Heidi" in the "Display Page Size Filter".
  • Press the Apply button.
  • Start AutoCAD and make a new PDF, the masks should appear correct when viewing in Adobe Acrobat.

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