\score {
\context StaffGroup {
\notes {
\context Staff = One {c4 d e f}
<<
{c d e f c d e f}
\context Staff = Two {
\property Staff.Clef=\turnOff
\property Staff.TimeSignature=\turnOff
c4 d e f c d e f}
>>
c d e f
}
}
\paper {
raggedright = ##t
\translator {
\StaffGroupContext
\remove System_start_delimiter_engraver
}
\translator {
\ScoreContext
\remove System_start_delimiter_engraver
}
}
}
If you want to add new context types, you have to incorporate them into the context hierarchy using the \accepts declaration. In this case, you tell LilyPond that Score contexts may contain SubStaff contexts. Also, it's a good idea to make it from an existing context type instead of writing it from scratch. Finally, you could use the \alias declaration to tell LilyPond that your SubStaff context should be treated like a Staff context. The resulting declarations could look like this:
\paper {
raggedright = ##t
\translator {
\ScoreContext
\consists Span_bar_engraver
\remove System_start_delimiter_engraver
\accepts "SubStaff"
}
\translator {
\StaffContext
\name "SubStaff"
\alias "Staff"
\remove "Clef_engraver"
}
}/Mats
Ralph Little wrote:
Hi, Further to what I posted earlier, I have tried the following which is my best attempt at a neat "hanging" second staff for a temporary staff:
-----------8<-----------8<-----------8<-----------8<-----------8<----------- 8<-- \score { \notes { \context Staff = One { c4 d e f } << {c d e f c d e f} \context SubStaff = Two { c4 d e f c d e f} >> c d e f } \paper { raggedright = ##t \translator { \ScoreContext \consists Span_bar_engraver \remove System_start_delimiter_engraver } \translator { \type "Engraver_group_engraver" \name "SubStaff" \remove "Clef_engraver" } } } -----------8<-----------8<-----------8<-----------8<-----------8<----------- 8<--
I'm trying to remove the clef from the second stave by creating a new context that removes the respective engravers. I get an error though:
Interpreting music...warning: can't find or create `SubStaff' called `Two' lilypond-bin: event-chord-iterator.cc:27: virtual Translator_group* Event_chord_iterator::get_req_translator(): Assertion `report_to ()' failed.
lilypond: error: LilyPond crashed (signal 6).
Have I misunderstood the translator syntax or is there a bug?
Cheers, Ralph
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