Exporting an omr to mscz fails

[B0GDAN]

Hello!

I've merged two omr files into one as my score has 2 pages but exporting to musescore fails with error:

Error in ExportBookTask java.lang.NullPointerException: Cannot invoke "java.util.List.iterator()" because the return value of "org.audiveris.omr.score.Score.getLogicalParts()" is null

Any ideas if there is a workaround available?

Thanks!

[hbitteur]

@B0GDAN
Could you tell us more about the actions you have made.

In particular, have you merged the separate files and then transcribed the merged images (this is the normal case)?
Or have you transcribed each image separately and then merged the transcriptions?

I suspect the second case, but please confirm.
A workaround might be to relaunch the transcription (from scratch) on the resulting merged file.

[B0GDAN]

Yes, it was the second case. Merged the PNGs into one big image file and the transcription works.
If merging is needed before transcription this works with multi-page PDFs and TIFFs or single PNGs where the entire score is contained in one big image, correct?

[hbitteur]

If merging is needed before transcription this works with multi-page PDFs and TIFFs or single PNGs where the entire score is contained in one big image, correct?

You are totally right. The sources for merge can be of different formats (PDF, TIFF, PNG, JPG, ...) and kinds (multi vs single)

[Sorry for the late reply, I was hiking for the week.]