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2.1.29 RhythmicStaff
A context like Staff
but for printing rhythms.
Pitches are ignored; the notes are printed on one line.
This context also accepts commands for the following context(s):
Staff
.
This context creates the following layout object(s):
BarLine
, DotColumn
, InstrumentName
, LedgerLineSpanner
, StaffSpacing
, StaffSymbol
, TimeSignature
and VerticalAxisGroup
.
This context sets the following properties:
- Set grob property
line-count
inStaffSymbol
to1
. - Set grob property
neutral-direction
inBeam
to1
. - Set grob property
neutral-direction
inStem
to1
. - Set grob property
staff-padding
inVoltaBracket
to3
. - Set translator property
createSpacing
to#t
. - Set translator property
instrumentName
to'()
. - Set translator property
localAlterations
to'()
. - Set translator property
shortInstrumentName
to'()
. - Set translator property
squashedPosition
to0
.
This is not a ‘Bottom’ context; search for such a one will commence after creating an implicit context of type Voice
.
Context RhythmicStaff
can contain
CueVoice
, NullVoice
and Voice
.
This context is built from the following engraver(s):
Axis_group_engraver
Group all objects created in this context in a
VerticalAxisGroup
spanner.Properties (read)
currentCommandColumn
(graphical (layout) object)Grob that is X-parent to all current breakable items (clef, key signature, etc.).
hasAxisGroup
(boolean)True if the current context is contained in an axis group.
keepAliveInterfaces
(list)A list of symbols, signifying grob interfaces that are worth keeping a staff with
remove-empty
set around for.Properties (write)
hasAxisGroup
(boolean)True if the current context is contained in an axis group.
This engraver creates the following layout object(s):
VerticalAxisGroup
.Bar_engraver
Create barlines. This engraver is controlled through the
whichBar
property. If it has no bar line to create, it will forbid a linebreak at this point. This engraver is required to trigger the creation of clefs at the start of systems.Music types accepted:
ad-hoc-jump-event
,coda-mark-event
,dal-segno-event
,fine-event
,section-event
,segno-mark-event
andvolta-span-event
Properties (read)
doubleRepeatBarType
(string)Bar line to insert where the end of one
\repeat volta
coincides with the start of another. The default is ‘:..:’.doubleRepeatSegnoBarType
(string)Bar line to insert where an in-staff segno coincides with the end of one
\repeat volta
and the beginning of another. The default is ‘:|.S.|:’.endRepeatBarType
(string)Bar line to insert at the end of a
\repeat volta
. The default is ‘:|.’.endRepeatSegnoBarType
(string)Bar line to insert where an in-staff segno coincides with the end of a
\repeat volta
. The default is ‘:|.S’.fineBarType
(string)Bar line to insert at
\fine
. Where there is also a repeat bar line, the repeat bar line takes precedence and this value is appended to it as an annotation. The default is ‘|.’.fineSegnoBarType
(string)Bar line to insert where an in-staff segno coincides with
\fine
. The default is ‘|.S’.fineStartRepeatSegnoBarType
(string)Bar line to insert where an in-staff segno coincides with
\fine
and the start of a\repeat volta
. The default is ‘|.S.|:’.measureBarType
(string)Bar line to insert at a measure boundary.
repeatCommands
(list)A list of commands related to volta-style repeats. In general, each element is a list,
'(command args…)
, but a command with no arguments may be abbreviated to a symbol; e.g.,'((start-repeat))
may be given as'(start-repeat)
.
end-repeat
End a repeated section.
start-repeat
Start a repeated section.
volta text
If text is markup, start a volta bracket with that label; if text is
#f
, end a volta bracket.sectionBarType
(string)Bar line to insert at
\section
. Where there is also a repeat bar line, the repeat bar line takes precedence and this value is appended to it as an annotation. The default is ‘||’.segnoBarType
(string)Bar line to insert at an in-staff segno. The default is ‘S’.
segnoStyle
(symbol)A symbol that indicates how to print a segno:
bar-line
ormark
.startRepeatBarType
(string)Bar line to insert at the start of a
\repeat volta
. The default is ‘.|:’.startRepeatSegnoBarType
(string)Bar line to insert where an in-staff segno coincides with the start of a
\repeat volta
. The default is ‘S.|:’.underlyingRepeatBarType
(string)Bar line to insert at points of repetition or departure where no bar line would normally appear, for example at the end of a system broken in mid measure where the next system begins with a segno. Where there is also a repeat bar line, the repeat bar line takes precedence and this value is appended to it as an annotation. The default is ‘||’.
whichBar
(string)The current bar line type, or
'()
if there is no bar line. Setting this explicitly in user code is deprecated. Use\bar
or related commands to set it.Properties (write)
currentBarLine
(graphical (layout) object)Set to the
BarLine
thatBar_engraver
has created in the current timestep.forbidBreak
(boolean)If set to
#t
, prevent a line break at this point, except if explicitly requested by the user.This engraver creates the following layout object(s):
BarLine
.Dot_column_engraver
Engrave dots on dotted notes shifted to the right of the note. If omitted, then dots appear on top of the notes.
This engraver creates the following layout object(s):
DotColumn
.Font_size_engraver
Put
fontSize
intofont-size
grob property.Properties (read)
fontSize
(number)The relative size of all grobs in a context.
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 items (clef, key signature, etc.).
instrumentName
(markup)The name to print left of a staff. The
instrumentName
property labels the staff in the first system, and theshortInstrumentName
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
.Ledger_line_engraver
Create the spanner to draw ledger lines, and notices objects that need ledger lines.
This engraver creates the following layout object(s):
LedgerLineSpanner
.Output_property_engraver
Apply a procedure to any grob acknowledged.
Music types accepted:
apply-output-event
Pitch_squash_engraver
Set the vertical position of note heads to
squashedPosition
, if that property is set. This can be used to make a single-line staff demonstrating the rhythm of a melody.Properties (read)
squashedPosition
(integer)Vertical position of squashing for Pitch_squash_engraver.
Separating_line_group_engraver
Generate objects for computing spacing parameters.
Properties (read)
createSpacing
(boolean)Create
StaffSpacing
objects? Should be set for staves.Properties (write)
hasStaffSpacing
(boolean)True if
currentCommandColumn
contains items that will affect spacing.This engraver creates the following layout object(s):
StaffSpacing
.Staff_symbol_engraver
Create the constellation of five (default) staff lines.
Music types accepted:
staff-span-event
This engraver creates the following layout object(s):
StaffSymbol
.Time_signature_engraver
Create a
TimeSignature
whenevertimeSignatureFraction
changes.Music types accepted:
time-signature-event
Properties (read)
initialTimeSignatureVisibility
(vector)break visibility for the initial time signature.
partialBusy
(boolean)Signal that \partial acts at the current timestep.
timeSignatureFraction
(fraction, as pair)A pair of numbers, signifying the time signature. For example,
'(4 . 4)
is a 4/4 time signature.This engraver creates the following layout object(s):
TimeSignature
.
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