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[MU4 Issue] MusicXML export is incorrect when using local time signature #16227
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Working on it. This feature has never been implemented and is not trivial. This will take some time. |
Status update: still working on this. Export almost done, will submit PR when export is complete. Work in progress in https://github.com/lvinken/MuseScore/commits/issues_16227_local_time_sig/. Note that import will also have to be updated. |
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…ime signature - export all time signatures for multi-staff parts - when streched correct duration of: - normal rest - measure rest - backup Note that import also requires fixes
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lvinken
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…ime signature - export all time signatures for multi-staff parts - when streched correct duration of: - normal rest - measure rest - backup Note that import also requires fixes
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…ime signature - export all time signatures for multi-staff parts - when streched correct duration of: - normal rest - measure rest - backup Note that import also requires fixes
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Description:
When a section of music with a complex local time signature is exported to MusicXML and the MusicXML is then re-imported, the resulting layout is incorrect. This is not a MS 4.0 regression, because the same problem exists for MS 3.6.2.
Steps to reproduce the behavior:
Expected behavior:
a) the 18/16 time signature should apply to the upper staff
b) the general 3/4 time signature should apply to the lower staff
Actual behavior:
a) the 18/16 time signature does apply to the upper staff;
b) the time signature in the lower staff wrongly changes from 3/4 to 18/16, and the measure duration is corrupted by introducing a leading rest in each measure.
Screenshots:
![Goldberg_Variation_26_OpenGoldberg](https://user-images.githubusercontent.com/124567953/216936991-a721c822-083a-499a-ad92-fe6f6174ec84.jpg)
Desired layout:
Faulty layout after import of MusicXML:
![Goldberg_Variation_26_after MusicXML_import_MS4](https://user-images.githubusercontent.com/124567953/216937144-dc838b45-a61a-4e19-b491-9b7fd9791377.jpg)
Platform information:
OS: Windows 10 Version 2009, Arch.: x86_64,
MuseScore version (64-bit): 4.0.1-230121751, revision: github-musescore-musescore-9b70a8c
Issue on musescore.org forum:
https://musescore.org/en/node/286883#comment-1172268
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