I’m not familiar with python.ly <http://python.ly/>’s internals: does it use LP’s internal description, shown below by \displayMusic?
Starting lilypond 2.19.80 [nobeam.ly]... Processing `/var/folders/jc/xrpy67_x6_vcjfzpzds_9_6m0000gn/T/frescobaldi-nx6e_mso/tmp2kwa263p/nobeam.ly' Parsing... Interpreting music... Preprocessing graphical objects... Finding the ideal number of pages... Fitting music on 1 page... Drawing systems... Layout output to `/var/folders/jc/xrpy67_x6_vcjfzpzds_9_6m0000gn/T//lilypond-pwPv1B'... Converting to `nobeam.pdf'... Deleting `/var/folders/jc/xrpy67_x6_vcjfzpzds_9_6m0000gn/T//lilypond-pwPv1B'... (make-music 'SequentialMusic 'elements (list (make-music 'NoteEvent 'articulations (list (make-music 'BeamEvent 'span-direction -1)) 'duration (ly:make-duration 3) 'pitch (ly:make-pitch 0 0)) (make-music 'NoteEvent 'pitch (ly:make-pitch 0 1) 'duration (ly:make-duration 3)) (make-music 'NoteEvent 'pitch (ly:make-pitch 0 2) 'duration (ly:make-duration 3)) (make-music 'NoteEvent 'articulations (list (make-music 'BeamEvent 'span-direction 1)) 'duration (ly:make-duration 3) 'pitch (ly:make-pitch 0 3)))) Success: compilation successfully completed Completed successfully in 0.8". > Le 6 mai 2018 à 11:58, Urs Liska <li...@openlilylib.org> a écrit : > > > > Am 06.05.2018 um 11:43 schrieb Jacques Menu Muzhic: >> Hello Urs, >> >> musicsml2ly and Finale 2014 behave as expected, but MuseScore 2.2.1 produces >> beams in both cases, i.e. even when there are no beams in the MusicXML data. > > OK, that seems that between 2.1.0 and 2.2.1 MuseScore has added that feature. > Still it's of course inacceptable not to export beams at all. > > Unfortunately we can so far only deal with explicit beams, there's no way > (without substantial work to redo LilyPond's autobeaming (and beaming > pattern) in Python). > > Thanks for testing > Urs > >> >> Strange… >> >> JM >> >>> Le 6 mai 2018 à 11:09, Urs Liska <li...@openlilylib.org> a écrit : >>> >>> Hello Jacques, >>> >>> >>> Am 06.05.2018 um 10:11 schrieb Jacques Menu Muzhic: >>>> Hello Urs, >>>> >>>> I’m doing tests with MusicXML, could you send me an example where >>>> MuseScore doesn’t show any beams after exporting from LilyPond? >>> Attached you'll find a simple nobeam.ly and the file nobeam.xml, which is >>> the result from exporting with the current master of python-ly. This will >>> be opened without beams in MuseScore 2. >>> nobeam-withbeams.xml is the result of exporting from the branch >>> xml-handle-beams (my current pull request). The XML file I originally sent >>> was also created from that branch. >>> >>> Thanks for helping to look into it. >>> Urs >>> >>>> Thanks! >>>> >>>> JM >>>> >>>>> Le 5 mai 2018 à 11:50, li...@openlilylib.org a écrit : >>>>> >>>>> Hi Torsten, >>>>> >>>>> 5. Mai 2018 11:44, "Torsten Hämmerle" <torsten.haemme...@web.de> schrieb: >>>>> >>>>>> Hi Urs, >>>>>> >>>>>> Sibelius works fine: >>>>>> >>>>>> <http://lilypond.1069038.n5.nabble.com/file/t3887/05-beam-sibelius.png> >>>>>> >>>>> Thanks. >>>>> >>>>>> As my Dorico evaluation period has expired, I can't even start it. >>>>>> All the others allow testing w/o save/export functionality, but >>>>>> Steinberg is >>>>>> much more restrictive in that respect. >>>>>> >>>>> On the Facebook group I got a screenshot of Dorico, so (not unexpectedly) >>>>> this works too. >>>>> >>>>> So my conclusion is: we can export faulty XML, and Finale, Sibelius, >>>>> Dorico, MuseScore and Verovio will still properly handle it. >>>>> I find that somewhat embarrassing, but I think it's much better than >>>>> nothing (I was pretty surprised to see that MusesScore didn't show *any* >>>>> beams after exporting a small example from LilyPond ...) >>>>> >>>>> Thanks to all who responded. >>>>> Urs >>>>> >>>>>> All the best, >>>>>> Torsten >>>>>> >>>>>> -- >>>>>> Sent from: http://lilypond.1069038.n5.nabble.com/User-f3.html >>>>>> >>>>>> _______________________________________________ >>>>>> lilypond-user mailing list >>>>>> lilypond-user@gnu.org >>>>>> https://lists.gnu.org/mailman/listinfo/lilypond-user >>>>> _______________________________________________ >>>>> lilypond-user mailing list >>>>> lilypond-user@gnu.org >>>>> https://lists.gnu.org/mailman/listinfo/lilypond-user >>> <nobeam.ly><nobeam.xml><nobeam-withbeams.xml> >
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