Hello,
Someone (perhaps Valentin) gave me a snippet to create a context containing
only top texts such as rehearsal marks, tempo texts and metronome marks. I use
it for my work very well. All my scores are frenched scores.
%% Layout to produce MarkLine context
%% to place rehearsal marks and texts above full score
\layout {
\context {
\type "Engraver_group"
\name "MarkLine"
\consists "Output_property_engraver"
\consists "Axis_group_engraver"
\consists "Mark_engraver"
\consists "Metronome_mark_engraver"
\consists "Script_engraver"
\consists "Text_engraver"
\consists "Text_spanner_engraver"
\consists "Font_size_engraver"
\override VerticalAxisGroup #'minimum-Y-extent = #'(-2 . 2 )
\override TextSpanner #'breakable = ##t
}
\context {
\Score
\accepts "MarkLine"
}
\context {
\StaffGroup
\accepts "MarkLine"
}
\context {
\PianoStaff
\accepts "MarkLine"
}
\context {
\GrandStaff
\accepts "MarkLine"
}
\context {
\ChoirStaff
\accepts "MarkLine"
}
}
(of course, you must remove rehearsal and metronome engravers out of Score)
Now I meet a new problem: at bar 201 of my piece, only harp is used for a
cadenza. It begins a new line, so all other instruments have gone. I put the
mark line to both top and before the first violin. Unfortunately, it doesn't
disappear when strings are not here. I'd like it to:
1. Keep alive when the instruments below it are used;
2. But disappear when the below staves are hidden.
Two results will happen if this is not solved:
a) When instruments before the first violin are all silent, there will be two
parallel mark lines, since the one before first violin has lower outside-staff
property;
b) When strings are silent, the second mark line is still here, which I think
is not good.
Could anyone help me?
Regards
Haipeng
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