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From: | Jean Abou Samra |
Subject: | Re: autoChange creating extra staff |
Date: | Fri, 17 Mar 2023 19:45:02 +0100 |
User-agent: | Evolution 3.46.4 (3.46.4-1.fc37) |
Le vendredi 17 mars 2023 à 11:35 -0700, Alexandre Loomis a écrit :
Hi, I'm running into an issue using \autoChange. I'd like CrossStaff to share the lower staff (and upper with another voice, but that doesn't seem to cause any issues), but it's creating its own.
\version "2.24.0"
CrossStaff = \autoChange f {
\relative c' {
c2 c,
}
}VoiceTwo = \relative { \clef "bass" c,1 }
\new PianoStaff <<
\new Staff = "up" {
\new Voice \CrossStaff
}
\new Staff = "down" {
\new Voice \VoiceTwo
}
Try
\version "2.24.1"
CrossStaff = \autoChange f {
\relative c' {
c2 c,
}
}
VoiceTwo = \relative { \clef "bass" c,1 }
\new PianoStaff <<
\new Staff = "up" {
\new Voice \CrossStaff
}
\context Staff = "down" {
\new Voice \VoiceTwo
}
>>
As you can see in the examples in the documentation, \autoChange
is designed to create two staves at once if not already created. In this case, when \autoChange
is seen by LilyPond at the start of the music, there is no "down" staff yet, so it's created, and then you create another one with \new
. By using \context
instead of new (see Creating and referencing contexts), you insert your \VoiceTwo
inside the same context rather than creating a new one.
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