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

[Jacques Menu Muzhic]

Hello Urs,

With the LP code:

{
  c'8 [ d' e' f' ]
}

what is the difficulty for producing <beam/> markups in the MusicXML output?

JM

> Le 6 mai 2018 à 12:20, Urs Liska <address@hidden> a écrit :
> 
> 
> 
> 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>
>>>