Am So., 30. Dez. 2018 um 11:06 Uhr schrieb Thomas Morley
<[email protected]>:
>
> Hi,
>
> out of https://lists.gnu.org/archive/html/lilypond-devel/2018-12/msg00178.html
>
> The doc-tagged LSR-snippet "Two \partcombine pairs on one staff"
> http://lsr.di.unimi.it/LSR/Item?id=958
> is obviously inspired by
> https://sourceforge.net/p/testlilyissues/issues/1321/?page=1&limit=25#a054
>
> While it works with 2.18.2 as described, without error/warning, it does not
> with 2.19.82 and recent master.
> http://lilypond.org/doc/v2.19/Documentation/snippets/simultaneous-notes#simultaneous-notes-two-_005cpartcombine-pairs-on-one-staff
> Lots of warnings and the pdf is not as wished.
>
> Not sure how to fix.
> Thoughts?
>
>
> Cheers,
> Harm
Attached a possible fix. Works with 2.18., 2.19.82 and (after
convert-ly, i.e. partcombine->partCombine) with recent master.
If no objections, I'll change the LSR-snippet. It will then be
available in our docs after next LSR-import.
Cheers,
Harm
\layout {
\context {
\Staff
\accepts "VoiceBox"
}
\context {
\name "VoiceBox"
\type "Engraver_group"
\defaultchild "Voice"
\accepts "Voice"
\accepts "NullVoice"
}
}
partcombineUplsr =
#(define-music-function (p l partOne partTwo)
(ly:music? ly:music?)
"Take the music in @var{partOne} and @var{partTwo} and return
a @code{VoiceBox} named @q{Up} containing @code{Voice}s
that contain @var{partOne} and @var{partTwo} merged into one
voice where feasible. This variant sets the default voicing
in the output to use upward stems."
#{
\new VoiceBox = "Up" <<
\context Voice = "one" { \voiceOne }
\context Voice = "two" { \voiceThree }
\context Voice = "shared" { \voiceOne }
\context Voice = "solo" { \voiceOne }
\context NullVoice = "null" {}
\partcombine #partOne #partTwo
>>
#})
partcombineDownlsr = #
(define-music-function (p l partOne partTwo)
(ly:music? ly:music?)
"Take the music in @var{partOne} and @var{partTwo} and return
a @code{VoiceBox} named @q{Down} containing @code{Voice}s
that contain @var{partOne} and @var{partTwo} merged into one
voice where feasible. This variant sets the default voicing
in the output to use downward stems."
#{
\new VoiceBox = "Down" <<
\set VoiceBox.soloText = #"Solo III"
\set VoiceBox.soloIIText = #"Solo IV"
\context Voice ="one" { \voiceFour }
\context Voice ="two" { \voiceTwo }
\context Voice ="shared" { \voiceFour }
\context Voice ="solo" { \voiceFour }
\context NullVoice = "null" {}
\partcombine #partOne #partTwo
>>
#})
soprano = { d'4 | cis' b e' d'8 cis' | cis'2 b }
alto = { fis4 | e8 fis gis ais b4 b | b ais fis2 }
tenor = { a8 b | cis' dis' e'4 b8 cis' d'4 | gis cis' dis'2 }
bass = { fis8 gis | a4 gis g fis | eis fis b,2 }
\new Staff <<
\key b\minor
\clef alto
\partial 4
\transpose b b'
\partcombineUplsr \soprano \alto
\partcombineDownlsr \tenor \bass
>>
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