Re: Need someone testing XML file in Finale and Sibelius (and Dorico)

[Urs Liska]

Am 6. Mai 2018 12:08:39 MESZ schrieb Jacques Menu Muzhic <address@hidden>:
>I’m not familiar with python.ly <http://python.ly/>’s internals: does
>it use LP’s internal description, shown below by \displayMusic?

No, it parses the input file(s) - which points to the single most significant 
limitation of python-ly's/Frescobaldi's approach.

>
>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 <address@hidden> 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 <address@hidden> 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, address@hidden a écrit :
>>>>>> 
>>>>>> Hi Torsten,
>>>>>> 
>>>>>> 5. Mai 2018 11:44, "Torsten Hämmerle" <address@hidden>
>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
>>>>>>> 
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>>>> <nobeam.ly><nobeam.xml><nobeam-withbeams.xml>
>>