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

[Colin Hall]

Thomas Morley writes:

> 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'
>>
>> }
>
> 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.

Thanks for the analysis, Thomas. I'll create a tracker for this
limitation of lilypond.

> 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
>         }
> }

Do you regard the above as a separate bug due to ugly engraving?

> 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)

Again, is this another ugly bug?

Cheers,
Colin.

-- 
Colin Hall