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I have a problem related to the compatibility between .pdf files generated from LilyPond .ly files and the .pdf files used in a iPad/iPhone application PiaScore, which is used by some of the performers I work with.

When I import in the PiaScore iPad app a .pdf file generated from a LilyPond .ly source file, the engraving boxes appear in a blue color. I attached an image showing the problem.

pdf generated from ly source imported in PiaScore

To compile the .ly file to .pdf I have used the following: a) command-line, version: LilyPond 2.25.2

lilypond --pdf name.ly

b) Frescobaldi,

c) TeXShop.

The same result occurs with any of those.

Is there a way I can solve this problem? Is there a way to hide the color boxes?

Ole V.V.
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seaWave
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  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Apr 23 '23 at 18:20
  • Sounds to me like the problem is in PiaScore rather than the PDF file, though without having the PDF file I can't really tell. Its better to post the PDF rather than a picture of the PDF, though it does help identify the problem. Have you tried opening the PDF in any other application, eg Acrobat ? If the blue boxes don't appear there, then it seems likely the problem is in PiaScore. – KenS Apr 27 '23 at 16:37
  • Thanks KenS. It only occurs with PiaScore, and no with other pdf readers such as Acrobat. I tried to solve the problem adding \override Score.NonMusicalPaperColumn #'transparent = ##t in the \score block in LilyPond. But that made invisible other texts, such as titles or subtitles. Finally I found some help in another app: "forScore". They proposed to open Tools menu /Settings/Pdf annotations and uncheck hyperlinks . That solved the problem. – seaWave Apr 29 '23 at 19:14

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