Am Mi., 31. Okt. 2018 um 19:09 Uhr schrieb Pierre-Luc Gauthier
<p.luc.gauth...@gmail.com>:
>
> Hi there,
>
> Not sure if this is a bug or if I am using it wrong.
>
> I've started using :
> \consists "Mark_engraver"
> \consists "Bar_number_engraver"
> , etc
> inside StaffGroups since it is now working.
> (Fixed with I think 622cab6a34 (Thanks to Dan Eble))
>
> But I get a strange and inconsistent result with whiteouts of the
> Bar_number_engraver.
> The two images I've attached to this email are from a 400+ measures
> score. Sometimes the bar number is in front of the vertical system
> line and sometimes it is behind. I have not figured out what is
> different in each case as it pops-up rather anywhere.
>
> But! I have managed (by error) to "trigger" the behavior in the
> following MWE might you {un,}comment line 4.
>
> \version "2.21.0"
>
> music = \repeat unfold 7 {c'4}
> %music = \repeat unfold 8 {c'4}
>
> \score {
> <<
> {s1 \break}
> \new StaffGroup \music
> \new StaffGroup \music
> >>
> \layout {
> \override Score.BarNumber.self-alignment-X = #CENTER
> \override Score.BarNumber.whiteout = #4
> \context {
> \Score
> \remove "Bar_number_engraver"
> }
> \context {
> \StaffGroup
> \consists "Bar_number_engraver"
> }
> }
> }
>
> Should a bug report be filed?
>
> Thanks
> --
> Pierre-Luc Gauthier
Probably, BarNumber and SystemStartBar have the same layer. Try adding
\override BarNumber.layer = 200
to StaffGroup-context.
Cheers,
Harm
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