Hello list,
https://lilypond.org/doc/v2.25/Documentation/notation/hiding-staves
Is there a way I can get more control over the workings of
the Keep_alive_together_engraver for the purpose of engraving divisi staves?
Please consider the following, based on the linked example in the
documentation:
\version "2.25.9"
>
> \layout {
> short-indent = #20
> indent = #30
> \context {
> \Staff
> keepAliveInterfaces = #'()
> }
> }
>
> violinI = {
> \key c \minor
> \repeat unfold 30 { d'4 }
> \unset Staff.keepAliveInterfaces
> <d' bes'>2
> \repeat unfold 48 { d'4 }
> }
>
> violinII = {
> \key c \minor
> \repeat unfold 30 { g4 }
> <g d'>2
> \repeat unfold 28 { g4 }
> <> ^\markup \center-column { "unwanted" "violin div. " }
> \repeat unfold 20 { g4 }
> }
>
> celloI = {
> \clef "bass"
> \key c \minor
> \repeat unfold 60 { bes,4 }
> \once \unset Staff.keepAliveInterfaces
> <d bes>2
> \repeat unfold 18 { bes,4 }
> }
>
> celloII = {
> \clef "bass"
> \key c \minor
> \repeat unfold 28 { g,4 }
> <> ^\markup \center-column { "unwanted" "cello div. " }
> \repeat unfold 32 { g,4 }
> <g, d>2
> \repeat unfold 18 { g,4 }
> }
>
> \new StaffGroup \with { \consists Keep_alive_together_engraver } <<
> \new Staff \with {
> instrumentName = "Violins"
> shortInstrumentName = "Vn I & II"
> \override VerticalAxisGroup.remove-layer = 2
> } { \transpose c c \partCombine \violinI \violinII }
> \new StaffGroup \with {
> systemStartDelimiter = #'SystemStartSquare
> }
> <<
> \new Staff \with {
> instrumentName = "Violin I"
> shortInstrumentName = "Vn I"
> \RemoveAllEmptyStaves
> \override VerticalAxisGroup.remove-layer = 1
> } { \transpose c c \violinI }
> \new Staff \with {
> instrumentName = "Violin II"
> shortInstrumentName = "Vn II"
> \RemoveAllEmptyStaves
> \override VerticalAxisGroup.remove-layer = 1
> } { \transpose c c \violinII }
> >>
> \new Staff \with {
> instrumentName = "Violoncellos"
> shortInstrumentName = "Vc I & II"
> \override VerticalAxisGroup.remove-layer = 2
> } { \partCombine \celloI \celloII }
> \new StaffGroup \with {
> systemStartDelimiter = #'SystemStartSquare
> }
> <<
> \new Staff \with {
> instrumentName = "Violoncello I"
> shortInstrumentName = "Vc I"
> \RemoveAllEmptyStaves
> \override VerticalAxisGroup.remove-layer = 1
> } { \celloI }
> \new Staff \with {
> instrumentName = "Violoncello II"
> shortInstrumentName = "Vc II"
> \RemoveAllEmptyStaves
> \override VerticalAxisGroup.remove-layer = 1
> } { \celloII }
> >>
> >>
>
Is there a way I can divisi selected staves rather than the entire
StaffGroup?
Thank you.
