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From: | Lukas-Fabian Moser |
Subject: | Re: Problem with blackpetrucci |
Date: | Wed, 4 Aug 2021 22:41:27 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
Hi Kees,
In black notation minim looks like modern 1/4 note and semiminim looks like modern 1/8 note.
It is not correct though, semiminim and shorter notes are one flag short, so Minim and Semiminim look identical. See example.
Unless I'm missing something this is a bug, is there a workaround?
This is documented in
https://lilypond.org/doc/v2.22/Documentation/notation/typesetting-mensural-music.html#mensural-note-heads:
TheOne might write an engraver that automatically turns 4 into 8*2, 8 into 16*2 etc., see below. But there's also blackmensural.ly by Lukas Pietsch; it's quite old (and to be honest I don't know it at all and can't say how it deals with your problem), but maybe it's of use to you: http://www.lukas-pietsch.de/Music/blackpetrucci
style produces note heads usable in black mensural notation or coloratio sections in white mensural notation. Because note head style does not influence flag count, in this style a semiminima should be notated asa8*2
, nota4
, otherwise it will look like a minima. The multiplier can be different if coloratio is used, e.g., to notate triplets.
\version "2.20.0"
flag_change_engraver =
#(lambda (ctx)
(make-engraver
(listeners
((note-event engraver event)
(let* ((dur (ly:event-property event 'duration))
(dur-log (ly:duration-log dur))
(dur-dots (ly:duration-dot-count dur))
(dur-factor (ly:duration-scale dur)))
(if (>= dur-log 2)
(ly:event-set-property!
event 'duration (ly:make-duration
(1+ dur-log)
dur-dots
(* dur-factor 2)))))))))
\layout {
\context {
\Voice
\consists #flag_change_engraver
}
}
\score {
\new Voice {
\autoBeamOff
\override Flag.style = #'mensural
a1 a2 a4 a8 a16 r
\override NoteHead.style = #'blackpetrucci
a1 a2 a4 a8 a16 r
\override NoteHead.style = #'petrucci
a1 a2 a4 a8 a16 r
}
}
Lukas
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