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Re: Selectively remove some staves consisting only of rests


From: Andrew Bernard
Subject: Re: Selectively remove some staves consisting only of rests
Date: Mon, 4 Feb 2019 21:04:23 +1100

Partially answering my own question, I now see that the \unset idea does not work, and you have to reset the keep alive interfaces list to the initial list. [I got the unset idea from some archive posts.]

So now I can selectively show a stave containing only rests, but what about one containing only spacers? I am unable to find what interface that is.

Am I on the right track overall?

New MWE:


%====

\version "2.19.82"

violinOne = {
  \override Staff.VerticalAxisGroup.remove-first = ##t
  \repeat unfold 8 { c''4 }
  \break
  % will show staff of rests OK
  \set Staff.keepAliveInterfaces = #'(
    bass-figure-interface
    chord-name-interface
    cluster-beacon-interface
    fret-diagram-interface
    lyric-syllable-interface
    note-head-interface
    tab-note-head-interface
    lyric-interface
    percent-repeat-item-interface
    percent-repeat-interface
    rest-interface
  )

  \repeat unfold 8 { r4 }
  \break
  \repeat unfold 8 { c''4 }
  \break
  % how can I show this line of spacers?
    \set Staff.keepAliveInterfaces = #'(
    bass-figure-interface
    chord-name-interface
    cluster-beacon-interface
    fret-diagram-interface
    lyric-syllable-interface
    note-head-interface
    tab-note-head-interface
    lyric-interface
    percent-repeat-item-interface
    percent-repeat-interface
    rest-interface
  )
  \repeat unfold 8 { s4 }
  \bar "."
}

violinTwo = {
  \repeat unfold 8 { c'4 }
  \break
  \repeat unfold 8 { c'4 }
  \break
  \repeat unfold 8 { c'4 }
  \break
  \repeat unfold 8 { c'4 }
}

\score {
  <<
    \new Staff {
      \violinOne
    }
    \new Staff {
      \violinTwo
    }
  >>
  \layout {
    \context {
      \Staff
      \RemoveEmptyStaves
    }
  }
}

%====



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