Re: \RemoveEmptyStaffContext (?)

[PMA]

harm6 wrote:
> PMA-2 wrote:
> > Hi List.
> >
> > Occasionally one staff in a system,
> > either the middle or upper, contains rests only.
> >
> > I want to exclude such staves from the output,
> > and so have defined my \score block as follows,
> > following Notation&  Snippets Ref. suggestions.
> >
> > \score {
> >     \new PianoStaff<<
> >       \set PianoStaff.instrumentName = #""
> >       \new Staff = "upper" \upper
> >       \new Staff = "theme" \theme
> >       \new Staff = "lower" \lower
> >     >>
> >     \layout {
> >       \context { \RemoveEmptyStaffContext }
> >     }
> > }
> >
> > The output shows no errors, but also no effect:
> > its rest-only staves are still there.  Could some-
> > one possibly point up what I've overlooked?
> >
> > Thanks,
> > Pete
>
> Hi,
>
> it works with StaffGroup:
>
> \score {
>          \new StaffGroup \with {
>                 systemStartDelimiter = #'SystemStartBrace
>                 instrumentName = #"aa"}
>     <<
>       \new Staff = "upper" \upper
>       \new Staff = "theme" \theme
>       \new Staff = "lower" \lower
>     >>
>
>     \layout {
>         \context {
>                 \RemoveEmptyStaffContext
>         }
>         \context {
>              \Score
>                  \override VerticalAxisGroup #'remove-first = ##t
>         }
>     }
> }
>
> HTH,
>    Harm

Afraid not.  No difference from the original output.
But thanks for "StaffGroup".  I'll experiment more.

P