\score {
\new StaffGroup \relative c' {
\new Staff
\key f \major
\clef alto
\time 6/8
<< {
R2.*3
c8 \f [r16 d c8] r4 r8
\break
<< {d2. (c8)} \\ {f,2.( \> e8) \!} >>
r r r4 r8
r r a16 \p (b c8) r c16 (d e8)
r r r4 r8
r r c16 (d e8) r d16 e
\break
}
\new Staff \relative c {
\once \set Staff.explicitKeySignatureVisibility = #end-of-line-invisible
\set midiInstrument = #"viola"
\clef alto
\key d \minor
r8 r f16 (g a8) r g16 (a
bes8) r r d4. \p (
g,8) r r f'4. (
c8) \f [r16 d c8] r4 r8
<< {d2. (c8)} \\ {f,2.( \> e8) \!} >>
r r r4 r8
R2.*3
}
>>
\break
<e g>2.~ \pp
<e g>
}
}
produces the first output with the extra staff lingering:
However, if you change the bottom staff only as follows:
% remove this code
% << {d2. (c8)} \\ {f,2.( \> e8) \!} >>
% r r r4 r8
% add this code
<< {d2. (c8) c \rest c \rest c4 \rest c8 \rest } \\ {f,2.( \> e8) \! s s s4 s8} >>
The output works correctly:
Note: the top staff uses the original construction which crosses the bar line.
Whole code here:
\score {
\new StaffGroup \relative c' {
\new Staff
\key f \major
\clef alto
\time 6/8
<< {
R2.*3
c8 \f [r16 d c8] r4 r8
\break
<< {d2. (c8)} \\ {f,2.( \> e8) \!} >>
r r r4 r8
r r a16 \p (b c8) r c16 (d e8)
r r r4 r8
r r c16 (d e8) r d16 e
\break
}
\new Staff \relative c {
\once \set Staff.explicitKeySignatureVisibility = #end-of-line-invisible
\set midiInstrument = #"viola"
\clef alto
\key d \minor
r8 r f16 (g a8) r g16 (a
bes8) r r d4. \p (
g,8) r r f'4. (
c8) \f [r16 d c8] r4 r8
% << {d2. (c8)} \\ {f,2.( \> e8) \!} >>
% r r r4 r8
<< {d2. (c8) c \rest c \rest c4 \rest c8 \rest } \\ {f,2.( \> e8) \! s s s4 s8} >>
R2.*3
}
>>
\break
<e g>2.~ \pp
<e g>
}
}
On May 26, 2015, at 7:15 AM, Thomas Morley <address@hidden> wrote:
2015-05-25 15:58 GMT+02:00 Alex Jones <address@hidden>:I’m working with a score that has multiple staves that appear and disappear at various points.
I ran into a curious behavior:
I have two staves fro a while, the second has two notes that complete mid-measure so I encoded like this:
\score {
\new StaffGroup \relative c' {
\new Staff
\key f \major
\time 6/8
<<
{
R2.*2
e2.~ \pp
}
\new Staff \relative c'' {
\once \set Staff.explicitKeySignatureVisibility = #end-of-line-invisible
\set midiInstrument = #"violin"
\once \omit Staff.TimeSignature
\key d \minor
<g bes,>2.
<< {g~ g8} \\ {f2. ( _\markup{\italic dim.} e8) \pp} >> r8 r r4 r8
}\break
a8-. \p ^\markup{solo arco} [r16 g-. a8-.] c-. r r
}
}
However, when the second staff concluded, it didn’t disappear. I worked out it was because the << >> region wasn’t aligned with a measure break.
So, I replaced with this:
<< {g~ g8 b\rest b\rest b4\rest b8\rest} \\ {f2. ( _\markup{\italic dim.} e8) \pp s s s4 s8} >>
however, this was quite clunky. I had to create rest space in both note groups, and then I had to reposition the rests in the top note grouping to apply to both voices. Aside from the staff not disappearing, the top solution works well.
Is there a more streamlined way to do this?
Using lilypond 2.18.2
-akj
Not sure what's causing this.
2.14.2 behaves as you would expect (after adjusting your code to that
ancient version)
Anyway, try to add:
\layout{
\context {
\Staff
\RemoveEmptyStaves
\override VerticalAxisGroup.remove-first = ##t
}
}
Cheers,
Harm