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2.1.1 ChoirStaff

Identical to StaffGroup except that the contained staves are not connected vertically.

This context creates the following layout object(s):

InstrumentName, SystemStartBar, SystemStartBrace, SystemStartBracket, SystemStartSquare and VerticalAlignment.

This context sets the following properties:

• Set translator property instrumentName to '().
• Set translator property localAlterations to '().
• Set translator property shortInstrumentName to '().
• Set translator property shortVocalName to '().
• Set translator property systemStartDelimiter to 'SystemStartBracket.
• Set translator property topLevelAlignment to #f.
• Set translator property vocalName to '().

This is not a ‘Bottom’ context; search for such a one will commence after creating an implicit context of type Staff.

Context ChoirStaff can contain ChoirStaff, ChordNames, DrumStaff, Dynamics, FiguredBass, GrandStaff, Lyrics, OneStaff, PianoStaff, RhythmicStaff, Staff and StaffGroup.

This context is built from the following engraver(s):

Instrument_name_engraver

Create a system start text for instrument or vocal names.

Properties (read)

currentCommandColumn (graphical (layout) object)

Grob that is X-parent to all current breakable (clef, key signature, etc.) items.

instrumentName (markup)

The name to print left of a staff. The instrumentName property labels the staff in the first system, and the shortInstrumentName property labels following lines.

shortInstrumentName (markup)

See instrumentName.

shortVocalName (markup)

Name of a vocal line, short version.

vocalName (markup)

Name of a vocal line.

This engraver creates the following layout object(s):

InstrumentName.

System_start_delimiter_engraver

Create a system start delimiter (i.e., a SystemStartBar, SystemStartBrace, SystemStartBracket or SystemStartSquare spanner).

Properties (read)

currentCommandColumn (graphical (layout) object)

Grob that is X-parent to all current breakable (clef, key signature, etc.) items.

systemStartDelimiter (symbol)

Which grob to make for the start of the system/staff? Set to SystemStartBrace, SystemStartBracket or SystemStartBar.

systemStartDelimiterHierarchy (pair)

A nested list, indicating the nesting of a start delimiters.

This engraver creates the following layout object(s):

SystemStartBar, SystemStartBrace, SystemStartBracket and SystemStartSquare.

Vertical_align_engraver

Catch groups (staves, lyrics lines, etc.) and stack them vertically.

Properties (read)

alignAboveContext (string)

Where to insert newly created context in vertical alignment.

alignBelowContext (string)

Where to insert newly created context in vertical alignment.

hasAxisGroup (boolean)

True if the current context is contained in an axis group.

This engraver creates the following layout object(s):

VerticalAlignment.

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Internals Reference v2.21.0 (development-branch).