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2.1.20 NullVoice
Non-printing context, typically used for aligning
lyrics in polyphonic situations, or with \partcombine
.
This context also accepts commands for the following context(s):
Staff and Voice.
This context creates the following layout object(s):
Beam, NoteColumn, NoteHead, Slur, Stem, StemTremolo, Tie and TieColumn.
This context sets the following properties:
- Set grob-property
direction
in Stem to1
. - Set grob-property
ignore-collision
in NoteColumn to#t
. - Set grob-property
length
in Stem to0
. - Set grob-property
positions
in Beam to'(1 . 1)
. - Set grob-property
stencil
in Accidental to#f
. - Set grob-property
stencil
in Beam to#f
. - Set grob-property
stencil
in Dots to#f
. - Set grob-property
stencil
in Flag to#f
. - Set grob-property
stencil
in Rest to#f
. - Set grob-property
stencil
in Slur to#f
. - Set grob-property
stencil
in Stem to#f
. - Set grob-property
stencil
in Tie to#f
. - Set grob-property
transparent
in NoteHead to#t
. - Set grob-property
transparent
in TabNoteHead to#t
. - Set grob-property
X-offset
in NoteHead to0
. - Set translator property
squashedPosition
to0
.
This context is a ‘bottom’ context; it cannot contain other contexts.
This context is built from the following engraver(s):
Beam_engraver
Handle
Beam
events by engraving beams. If omitted, then notes are printed with flags instead of beams.Music types accepted:
Properties (read)
baseMoment
(moment)Smallest unit of time that will stand on its own as a subdivided section.
beamMelismaBusy
(boolean)Signal if a beam is present.
beatStructure
(list)List of
baseMoment
s that are combined to make beats.subdivideBeams
(boolean)If set, multiple beams will be subdivided at
baseMoment
positions by only drawing one beam over the beat.Properties (write)
forbidBreak
(boolean)If set to
#t
, prevent a line break at this point.This engraver creates the following layout object(s):
Beam.
Note_heads_engraver
Generate note heads.
Music types accepted:
Properties (read)
middleCPosition
(number)The place of the middle C, measured in half staff-spaces. Usually determined by looking at
middleCClefPosition
andmiddleCOffset
.staffLineLayoutFunction
(procedure)Layout of staff lines,
traditional
, orsemitone
.This engraver creates the following layout object(s):
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.
Rhythmic_column_engraver
Generate
NoteColumn
, an object that groups stems, note heads, and rests.This engraver creates the following layout object(s):
Slur_engraver
Build slur grobs from slur events.
Music types accepted:
Properties (read)
doubleSlurs
(boolean)If set, two slurs are created for every slurred note, one above and one below the chord.
slurMelismaBusy
(boolean)Signal if a slur is present.
This engraver creates the following layout object(s):
Slur.
Stem_engraver
Create stems and single-stem tremolos. It also works together with the beam engraver for overriding beaming.
Music types accepted:
tremolo-event and tuplet-span-event
Properties (read)
stemLeftBeamCount
(integer)Specify the number of beams to draw on the left side of the next note. Overrides automatic beaming. The value is only used once, and then it is erased.
stemRightBeamCount
(integer)See
stemLeftBeamCount
.tremoloFlags
(integer)The number of tremolo flags to add if no number is specified.
whichBar
(string)This property is read to determine what type of bar line to create.
Example:
\set Staff.whichBar = ".|:"This will create a start-repeat bar in this staff only. Valid values are described in ‘scm/bar-line.scm’.
This engraver creates the following layout object(s):
Stem and StemTremolo.
Tie_engraver
Generate ties between note heads of equal pitch.
Music types accepted:
Properties (read)
skipTypesetting
(boolean)If true, no typesetting is done, speeding up the interpretation phase. Useful for debugging large scores.
tieWaitForNote
(boolean)If true, tied notes do not have to follow each other directly. This can be used for writing out arpeggios.
Properties (write)
tieMelismaBusy
(boolean)Signal whether a tie is present.
This engraver creates the following layout object(s):
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