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From: | Colin Campbell |
Subject: | Re: Change_iterator refuses to move a NullVoice into a Staff |
Date: | Tue, 4 Apr 2017 20:57:11 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
On 2017-04-04 07:54 PM, Dan Eble wrote:
On Mar 25, 2017, at 14:34, Dan Eble <address@hidden> wrote:NullVoice is unlike a Voice in this respect: trying to move it to a different Staff with \change fails with this warning: Change_iterator::process (): NullVoice = `soprano': cannot change `Staff' to `S': not changing to same context type: Staff
Staff "S" doesn't have a NullVoice defined. I modified your code as follows, and it seems to do what you want, although you still get a warning because the \changeStaff event happens in both a regular Voice and a NullVoice.b Perhaps others can take it further?
************************** \version "2.19.54" %% just because it's what I'm using sopranoNotes = \fixed c' { c1 d e f \break \change Staff = "S" g a b c' } \new ChoirStaff \with { *% \RemoveEmptyStaves** ** % \override VerticalAxisGroup.remove-first = ##t* } << \new Staff = "S" \with { instrumentName = "S" shortInstrumentName = "S" } * \new NullVoice = "S" {* $(skip-of-length sopranoNotes) } \new Staff = "SA" \with { instrumentName = "SA" shortInstrumentName = "SA" } << \new Voice { \sopranoNotes } \new NullVoice = "soprano" { \sopranoNotes } >> >> ********************* HTH, Colin -- I think age is a very high price to pay for maturity. -- Tom Stoppard
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