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Re: musicxml2ly tremolo tag on notes shorter than quarter
From: |
James Lowe |
Subject: |
Re: musicxml2ly tremolo tag on notes shorter than quarter |
Date: |
Mon, 11 May 2015 20:03:43 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 07/05/15 23:21, pls wrote:
> Hi Jörn,
>
> On 03.05.2015, at 00:23, Jörn Eichler <address@hidden> wrote:
>
>>> I'm not top posting.
>>
>> For music XML input "<tremolo type="single">2</tremolo>" on an eighth note
>> of C, musicxml2ly creates "c8 :16" which, I think, is incorrect, because the
>> 2 tremolo marks make it a 32th tremolo.
>
> thanks for the report!
>
> Yes, you are right, it’s a bug and all beamed notes are affected e.g.:
>
> MusicXML expected LP wrong LP
> --------------------------------------------------------------------------
> eighth note with 1 stroke c8:16 c8:8
> eighth note with 2 strokes c8:32 c8:16
> ...
> sixteenth note with 1 stroke c16:32 c16:8
> sixteenth note with 2 strokes c16:64 c16:16
> ...
>
>
> I cooked up some files to illustrate the expected output and the bug:
>
> *
> https://github.com/Philomelos/PUMTS/blob/master/partwise/elements/tremolo/tremolo.xml
> (MusicXML supports up to 8 tremolo marks)
> *
> https://github.com/Philomelos/PUMTS/blob/master/partwise/elements/tremolo/tremolo--expected.ly
> *
> https://github.com/Philomelos/PUMTS/blob/master/partwise/elements/tremolo/tremolo--expected.svg
> *
> https://github.com/Philomelos/PUMTS/blob/master/partwise/elements/tremolo/tremolo_xml--musicxml2ly-2.19.15.ly
> (I had to comment out some lines)
> *
> https://github.com/Philomelos/PUMTS/blob/master/partwise/elements/tremolo/tremolo_xml--musicxml2ly-2.19.15.ly--lilypond-2.19.15.svg
>
>
> hth
> patrick
>>
>> http://www.musicxml.com/UserManuals/MusicXML/Content/EL-MusicXML-tremolo.htm
>> says: "Note that the number of attached beams is not included in this value,
>> but is represented separately using the beam element.”
>>
>> Tested with version 2.18.2 and 2.19.19
Thanks, this is now on the issue tracker:
https://code.google.com/p/lilypond/issues/detail?id=4390
James