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wchargin
Updated on September 18, 2022Comments
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wchargin over 1 year
I am trying to add an ossia staff above the upper staff of a grand staff. Working from this mailing list post, I have constructed a minimal example that almost does what I want. The problem is that the entire score contains a blank space for the ossia staff, even in systems that have no ossia.
Here is the example (truly, a melodious composition):
\version "2.18.2" ossia = \new Staff = "ossia" \with { \remove "Time_signature_engraver" fontSize = #-2 \override StaffSymbol #'staff-space = #(magstep -2) \override Clef #'transparent = ##t \override KeySignature #'stencil = ##f } { \key b \major \override Staff.BarLine #'allow-span-bar = ##f \stopStaff s2.*100 % ??? } treble = \new Staff = "treble" { \clef treble \key b \major \relative c' { \repeat unfold 10 { b8 cis dis fis dis cis } b4 dis fis | b4 << { dis, fis } \context Staff = "ossia" { \startStaff \tuplet 3/2 { dis8 b dis } fis4 \stopStaff } >> | b2. | } } bass = \new Staff = "bass" { \clef bass \key b \major \relative c { \repeat unfold 12 { fis,4 fis4 fis4 | } b2. } } pianoStaff = \new PianoStaff { \compressFullBarRests \time 3/4 << \ossia \treble \bass >> } \paper { #(set-paper-size "letter") indent = 25\mm short-indent = 5\mm } \score { << \pianoStaff >> % This changes nothing: % \layout { \context { \Staff \RemoveEmptyStaves } } }
Here is the output (PNG image, 85 KB).
Some interesting things to note:
If I remove the
s2.*100
at line 13 (marked% ???
), or change the value to anything smaller than 12, the ossia staff renders completely incorrectly. It appears below the bass clef, includes the clef and time signature, and is in the key of C (i.e., the rendered notes include accidentals). Basically, it looks like it's failed to notice that theossia
staff exists and has constructed a brand new one. I suspect that this is because the ossia staff is supposed to extend past each point where it is used—i.e., when switching staff contexts, one can go "back in time" but not forward. I don't really understand this, but I can live with it, as it doesn't seem to have an intrinsic effect as long as\compressFullBarRests
is enabled.I have included the paper size in the MWE to force consistent dimensions on different systems.
As I noted in the score, adding
\RemoveEmptyStaves
does not remove the empty staves.
My question is: how can I keep the ossia staff rendered as it does in this example (small and above the treble clef) without adding the empty space on all previous systems?
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Greg Petersen almost 12 yearsAppend the output of
ls -laZ /var/www/html/
to your question?
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wchargin over 7 yearsHi fedelibre. I appreciate your help. Thanks to your answer, I was able to figure out a satisfactory solution. A few comments. First, the purpose of the spacer rest is so that I can write the ossia by simply setting
\context Staff = "ossia"
within the flow of the rest of the score (as in my example), as opposed to manually inserting the correct number of rests to advance the ossia to the exact desired position (as in yours). Second, your example doesn't display the ossia properly, as it includes extra blank measures for all bars in the system in which an ossia appears. For instance, (1/2) -
wchargin over 7 years(2/2) if you move your
\break
to the previous line, then there is an extra empty bar before the ossia's content. (Please consult the rendered image link in my original post.) This is the purpose of the\startStaff
and\stopStaff
commands in my original example. Third, I'm sorry that my MWE is large. Now that I have a working solution, I can see that (e.g.) the bass clef is indeed not required. I wasn't sure about this, because it is a\PianoStaff
, after all. All is easier with hindsight! :-) Here is my minimal solution: gist.github.com/wchargin/db8f3ff0129686dafe87045f90c8bf5f