Re: vertical half-brackets

[David Kastrup]

Werner LEMBERG <wl@gnu.org> writes:

> For piano music it is common to indicate the use of the right hand in
> the lower staff with a 'half-bracket' (and vice versa for the upper
> staff), see image.
>
> Two questions.
>
> * What's the right term for this 'half-bracket'?
>
> * Has someone coded this already?  I couldn't find code in the LSR.
>
> Thanks in advance for guidance!
>
>
>     Werner
>
>
>

In the NR I find


Indicating cross-staff chords with arpeggio bracket
...................................................

An arpeggio bracket can indicate that notes on two different staves are
to be played with the same hand.  In order to do this, the ‘PianoStaff’
must be set to accept cross-staff arpeggios and the arpeggios must be
set to the bracket shape in the ‘PianoStaff’ context.

   (Debussy, _Les collines d’Anacapri,_ m.  65)

     \new PianoStaff <<
       \set PianoStaff.connectArpeggios = ##t
       \override PianoStaff.Arpeggio.stencil =
         #ly:arpeggio::brew-chord-bracket
       \new Staff {
         \relative c' {
           \key b \major
           \time 6/8
           b8-.(\arpeggio fis'-.\> cis-.
             e-. gis-. b-.)\!\fermata^\laissezVibrer \bar "||"
         }
       }
       \new Staff {
         \relative c' {
           \clef bass
           \key b \major
           <<
             {
               <a e cis>2.\arpeggio
             }
             \\
             {
               <a, e a,>2.
             }
           >>
         }
       }
     >>
[image src="lilypond/96/lily-c52c7f83.png" alt="[image of music]"]


It's not a half-bracket but it's the closest in the manual I can find at
a glance.

-- 
David Kastrup