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Re: changing flag style/stencil should affect metronome mark, shouldn't


From: Thomas Morley
Subject: Re: changing flag style/stencil should affect metronome mark, shouldn't it?
Date: Sun, 6 Jan 2013 18:19:49 +0100

2013/1/6 Federico Bruni <address@hidden>:
> Il 06/01/2013 16:09, Karol Majewski ha scritto:
>
>> Hi there,
>>
>> I don't see how can change flag style (stencil) in metronome mark.
>>
>>
>> \version "2.17.9"
>> {
>>    \override Flag.stencil = #old-straight-flag
>>    \set autoBeaming = ##f
>>    \tempo 8 = 120
>>    c'8 d' e' f' g' a' b' c''
>> }
>>
>> I wish *\override Flag.stencil = #old-straight-flag* worked.
>> Unfortunately,
>> it doesn't.
>
>
> The override has been applied to music, not to the metronome mark.
> IIUC, MetronomeMark is a markup object. In the thirdd snippet here you find
> an example to modify it:
> http://lilypond.org/doc/v2.17/Documentation/notation/displaying-rhythms#metronome-marks
>
> I know that you can modify the notehead style inside a markup, I don't know
> if you can also modify the flag style.
>
> See this example:
>
> \version "2.17.10"
> {
>   \set autoBeaming = ##f
>   \tempo \markup {
>     \concat {
>       (
>       \smaller \general-align #Y #DOWN
>       \override #'(style . mensural) {
>         \note #"8" #1
>       }
>       " = "
>       \general-align #Y #DOWN 120
>
>       )
>     }
>   }
>   c'8 d' e' f' g' a' b' c''
>   \override Flag.stencil = #old-straight-flag
>   c' d' e' f' g'
>
> }
>
>
>
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> bug-lilypond mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/bug-lilypond

Hi,

the MetronomeMark is formated by `format-metronome-markup' and
`metronome-markup' from /scm/translation-functions.scm.
`metronome-markup' uses the `note-by-number'-markup-command.
`note-by-number' has a 'style-property', but it determines _only_ the
note-head _not_ the flag-style.

Seems to be a bug.
Example:
If 'style is set 'mensural, `note-by-number' returns ugly output for
short note-durations (same with \note):

\markup {
        \override #'(style . mensural)
        {
                \note-by-number #3 #0 #1
                \note #"8" #1
        }
}


Btw, the output of

\new Voice {
        \override Flag.style = #'mensural
        \override Stem.thickness = #1.0
        \override NoteHead.style = #'mensural
        c'8
}

isn't convincing, too.
The stem and the flag aren't combined well.
(Use high zoom to view it)

Nevertheless, even if the `note-by-number'-command would work well,
there's currently no possibility to convince `metronome-markup' to
look at any note/flag-style-property, afaik.

Fixing this wouldn't be trivial.

For now you could construct your own note via adding a new constructed
flag to a note.
Perhaps with some combining of \note and \translate a \beam.

Sorry to be of not more help,
  Harm



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