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2.1.42 VaticanaVoice

A kind of Voice for typesetting Gregorian chant in a notational style approximating Editio Vaticana.

This context also accepts commands for the following context(s): Voice.

This context creates the following layout object(s): Arpeggio, Beam, BendAfter, BreathingSign, ClusterSpanner, ClusterSpannerBeacon, CombineTextScript, DotColumn, Dots, DoublePercentRepeat, DoublePercentRepeatCounter, DoubleRepeatSlash, DynamicLineSpanner, DynamicText, DynamicTextSpanner, Episema, FingerGlideSpanner, Fingering, Glissando, Hairpin, InstrumentSwitch, LaissezVibrerTie, LaissezVibrerTieColumn, MultiMeasureRest, MultiMeasureRestNumber, MultiMeasureRestScript, MultiMeasureRestText, NoteColumn, NoteHead, NoteSpacing, PercentRepeat, PercentRepeatCounter, PhrasingSlur, RepeatSlash, RepeatTie, RepeatTieColumn, Rest, Script, ScriptColumn, StringNumber, StrokeFinger, TextScript, Tie, TieColumn, TrillPitchAccidental, TrillPitchGroup, TrillPitchHead, TrillPitchParentheses, TrillSpanner, TupletBracket, TupletNumber, VaticanaLigature and VoiceFollower.

This context sets the following properties:

This is a ‘Bottom’ context; no contexts will be created implicitly from it.

This context cannot contain other contexts.

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

Arpeggio_engraver

Generate an Arpeggio symbol.

Music types accepted: arpeggio-event

This engraver creates the following layout object(s): Arpeggio.

Auto_beam_engraver

Generate beams based on measure characteristics and observed Stems. Uses beatBase, beatStructure, beamExceptions, measureLength, and measurePosition to decide when to start and stop a beam. Overriding beaming is done through Stem_engraver properties stemLeftBeamCount and stemRightBeamCount.

Music types accepted: beam-forbid-event

Properties (read)

autoBeaming (boolean)

If set to #t then beams are generated automatically. If set to #f, auto-beaming is switched off as soon as the current beam (if any) is finished according to the auto-beaming rules.

beamExceptions (list)

An alist of exceptions to autobeam rules that normally end on beats.

beamHalfMeasure (boolean)

Whether to allow a beam to begin halfway through the measure in triple time, which could look like 6/8.

beatBase (positive exact rational or +inf.0)

The musical length corresponding to one unit of beatStructure.

beatStructure (list)

A sequence describing the length of each beat in the measure in units of beatBase.

subdivideBeams (boolean)

If set, beams of mulitple stems may be subdivided by omitting a number of beamlets, dependent on maximumBeamSubdivisionInterval, between beats at mulitiples of minimumBeamSubdivisionInterval.

This engraver creates the following layout object(s): Beam.

Beam_engraver

Handle Beam events by engraving beams. If omitted, then notes are printed with flags instead of beams.

Music types accepted: beam-event

Properties (read)

beamMelismaBusy (boolean)

Signal if a beam is present.

beatBase (positive exact rational or +inf.0)

The musical length corresponding to one unit of beatStructure.

beatStructure (list)

A sequence describing the length of each beat in the measure in units of beatBase.

subdivideBeams (boolean)

If set, beams of mulitple stems may be subdivided by omitting a number of beamlets, dependent on maximumBeamSubdivisionInterval, between beats at mulitiples of minimumBeamSubdivisionInterval.

This engraver creates the following layout object(s): Beam.

Bend_engraver

Create fall spanners.

Music types accepted: bend-after-event

Properties (read)

currentBarLine (graphical (layout) object)

Set to the BarLine that Bar_engraver has created in the current timestep.

currentCommandColumn (graphical (layout) object)

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

currentMusicalColumn (graphical (layout) object)

Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).

This engraver creates the following layout object(s): BendAfter.

Breathing_sign_engraver

Notate breath marks.

Music types accepted: breathing-event

Properties (read)

breathMarkType (symbol)

The type of BreathingSign to create at \breathe.

This engraver creates the following layout object(s): BreathingSign.

Chord_tremolo_engraver

Generate beams for tremolo repeats.

Music types accepted: tremolo-span-event

This engraver creates the following layout object(s): Beam.

Cluster_spanner_engraver

Engrave a cluster using Spanner notation.

Music types accepted: cluster-note-event

This engraver creates the following layout object(s): ClusterSpanner and ClusterSpannerBeacon.

Dots_engraver

Create Dots objects for rhythmic-head-interfaces.

This engraver creates the following layout object(s): Dots.

Double_percent_repeat_engraver

Make double measure repeats.

Music types accepted: double-percent-event

Properties (read)

countPercentRepeats (boolean)

If set, produce counters for percent repeats.

measureLength (positive moment with no grace part)

Length of one measure in the current time signature.

repeatCountVisibility (procedure)

A procedure taking as arguments an integer and context, returning whether the corresponding percent repeat number should be printed when countPercentRepeats is set.

Properties (write)

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): DoublePercentRepeat and DoublePercentRepeatCounter.

Dynamic_align_engraver

Align hairpins and dynamic texts on a horizontal line.

Properties (read)

currentMusicalColumn (graphical (layout) object)

Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).

This engraver creates the following layout object(s): DynamicLineSpanner.

Dynamic_engraver

Create hairpins, dynamic texts and dynamic text spanners.

Music types accepted: absolute-dynamic-event, break-dynamic-span-event and span-dynamic-event

Properties (read)

crescendoSpanner (symbol)

The type of spanner to be used for crescendi. Available values are ‘hairpin’ and ‘text’. If unset, a hairpin crescendo is used.

crescendoText (markup)

The text to print at start of non-hairpin crescendo, i.e., ‘cresc.’.

currentMusicalColumn (graphical (layout) object)

Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).

decrescendoSpanner (symbol)

The type of spanner to be used for decrescendi. Available values are ‘hairpin’ and ‘text’. If unset, a hairpin decrescendo is used.

decrescendoText (markup)

The text to print at start of non-hairpin decrescendo, i.e., ‘dim.’.

This engraver creates the following layout object(s): DynamicText, DynamicTextSpanner and Hairpin.

Episema_engraver

Create an Editio Vaticana-style episema line.

Music types accepted: episema-event

This engraver creates the following layout object(s): Episema.

Finger_glide_engraver

Engraver to print a line between two Fingering, StringNumber or StrokeFinger grobs.

Music types accepted: note-event

This engraver creates the following layout object(s): FingerGlideSpanner.

Fingering_engraver

Create fingering scripts.

Music types accepted: fingering-event

This engraver creates the following layout object(s): Fingering.

Font_size_engraver

Put fontSize into font-size grob property.

Properties (read)

fontSize (number)

The relative size of all grobs in a context.

Forbid_line_break_engraver

Forbid line breaks when note heads are still playing at some point.

Properties (read)

busyGrobs (list)

A queue of (end-moment . grob) cons cells. This is for internal (C++) use only. This property contains the grobs which are still busy (e.g., note heads, spanners, etc.).

Properties (write)

forbidBreak (boolean)

If set to #t, prevent a line break at this point, except if explicitly requested by the user.

Glissando_engraver

Engrave glissandi.

Music types accepted: glissando-event

Properties (read)

glissandoMap (list)

A map in the form of ’((source1 . target1) (source2 . target2) (sourcen . targetn)) showing the glissandi to be drawn for note columns. The value ’() will default to ’((0 . 0) (1 . 1) (n . n)), where n is the minimal number of note-heads in the two note columns between which the glissandi occur.

This engraver creates the following layout object(s): Glissando.

Grace_auto_beam_engraver

Generates one autobeam group across an entire grace phrase. As usual, any manual beaming or \noBeam will block autobeaming, just like setting the context property ‘autoBeaming’ to ##f.

Music types accepted: beam-forbid-event

Properties (read)

autoBeaming (boolean)

If set to #t then beams are generated automatically. If set to #f, auto-beaming is switched off as soon as the current beam (if any) is finished according to the auto-beaming rules.

This engraver creates the following layout object(s): Beam.

Grace_beam_engraver

Handle Beam events by engraving beams. If omitted, then notes are printed with flags instead of beams. Only engraves beams when we are at grace points in time.

Music types accepted: beam-event

Properties (read)

beamMelismaBusy (boolean)

Signal if a beam is present.

beatBase (positive exact rational or +inf.0)

The musical length corresponding to one unit of beatStructure.

beatStructure (list)

A sequence describing the length of each beat in the measure in units of beatBase.

subdivideBeams (boolean)

If set, beams of mulitple stems may be subdivided by omitting a number of beamlets, dependent on maximumBeamSubdivisionInterval, between beats at mulitiples of minimumBeamSubdivisionInterval.

This engraver creates the following layout object(s): Beam.

Grace_engraver

Set font size and other properties for grace notes.

Properties (read)

graceSettings (list)

Overrides for grace notes. This property should be manipulated through the add-grace-property function.

Grob_pq_engraver

Administrate when certain grobs (e.g., note heads) stop playing.

Properties (read)

busyGrobs (list)

A queue of (end-moment . grob) cons cells. This is for internal (C++) use only. This property contains the grobs which are still busy (e.g., note heads, spanners, etc.).

Properties (write)

busyGrobs (list)

A queue of (end-moment . grob) cons cells. This is for internal (C++) use only. This property contains the grobs which are still busy (e.g., note heads, spanners, etc.).

Instrument_switch_engraver

Create a cue text for taking instrument.

This engraver is deprecated.

Properties (read)

instrumentCueName (markup)

The name to print if another instrument is to be taken.

This property is deprecated

This engraver creates the following layout object(s): InstrumentSwitch.

Laissez_vibrer_engraver

Create laissez vibrer items.

Music types accepted: laissez-vibrer-event

This engraver creates the following layout object(s): LaissezVibrerTie and LaissezVibrerTieColumn.

Multi_measure_rest_engraver

Engrave multi-measure rests that are produced with ‘R’. It reads measureStartNow and internalBarNumber to determine what number to print over the MultiMeasureRest.

Music types accepted: multi-measure-articulation-event, multi-measure-rest-event and multi-measure-text-event

Properties (read)

currentCommandColumn (graphical (layout) object)

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

internalBarNumber (integer)

Contains the current bar number. This property is used for internal timekeeping, among others by the Accidental_engraver.

measureStartNow (boolean)

True at the beginning of a measure.

restNumberThreshold (number)

If a multimeasure rest has more measures than this, a number is printed.

This engraver creates the following layout object(s): MultiMeasureRest, MultiMeasureRestNumber, MultiMeasureRestScript and MultiMeasureRestText.

New_fingering_engraver

Create fingering scripts for notes in a new chord. This engraver is ill-named, since it also takes care of articulations and harmonic note heads.

Properties (read)

fingeringOrientations (list)

A list of symbols, containing ‘left’, ‘right’, ‘up’ and/or ‘down’. This list determines where fingerings are put relative to the chord being fingered.

harmonicDots (boolean)

If set, harmonic notes in dotted chords get dots.

stringNumberOrientations (list)

See fingeringOrientations.

strokeFingerOrientations (list)

See fingeringOrientations.

This engraver creates the following layout object(s): Fingering, Script, StringNumber and StrokeFinger.

Note_head_line_engraver

Engrave a line between two note heads in a staff switch if followVoice is set.

Properties (read)

followVoice (boolean)

If set, note heads are tracked across staff switches by a thin line.

This engraver creates the following layout object(s): VoiceFollower.

Note_heads_engraver

Generate note heads.

Music types accepted: note-event

Properties (read)

middleCPosition (number)

The place of the middle C, measured in half staff-spaces. Usually determined by looking at middleCClefPosition and middleCOffset.

staffLineLayoutFunction (procedure)

Layout of staff lines, traditional, or semitone.

This engraver creates the following layout object(s): NoteHead.

Note_spacing_engraver

Generate NoteSpacing, an object linking horizontal lines for use in spacing.

This engraver creates the following layout object(s): NoteSpacing.

Output_property_engraver

Apply a procedure to any grob acknowledged.

Music types accepted: apply-output-event

Part_combine_engraver

Part combine engraver for orchestral scores: Print markings ‘a2’, ‘Solo’, ‘Solo II’, and ‘unisono’.

Music types accepted: note-event and part-combine-event

Properties (read)

aDueText (markup)

Text to print at a unisono passage.

partCombineTextsOnNote (boolean)

Print part-combine texts only on the next note rather than immediately on rests or skips.

printPartCombineTexts (boolean)

Set ‘Solo’ and ‘A due’ texts in the part combiner?

soloIIText (markup)

The text for the start of a solo for voice ‘two’ when part-combining.

soloText (markup)

The text for the start of a solo when part-combining.

This engraver creates the following layout object(s): CombineTextScript.

Percent_repeat_engraver

Make whole measure repeats.

Music types accepted: percent-event

Properties (read)

countPercentRepeats (boolean)

If set, produce counters for percent repeats.

currentCommandColumn (graphical (layout) object)

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

repeatCountVisibility (procedure)

A procedure taking as arguments an integer and context, returning whether the corresponding percent repeat number should be printed when countPercentRepeats is set.

This engraver creates the following layout object(s): PercentRepeat and PercentRepeatCounter.

Phrasing_slur_engraver

Print phrasing slurs. Similar to Slur_engraver.

Music types accepted: note-event and phrasing-slur-event

This engraver creates the following layout object(s): PhrasingSlur.

Pitched_trill_engraver

Print the bracketed note head after a note head with trill.

This engraver creates the following layout object(s): TrillPitchAccidental, TrillPitchGroup, TrillPitchHead and TrillPitchParentheses.

Repeat_tie_engraver

Create repeat ties.

Music types accepted: repeat-tie-event

This engraver creates the following layout object(s): RepeatTie and RepeatTieColumn.

Rest_engraver

Engrave rests.

Music types accepted: rest-event

Properties (read)

middleCPosition (number)

The place of the middle C, measured in half staff-spaces. Usually determined by looking at middleCClefPosition and middleCOffset.

This engraver creates the following layout object(s): Rest.

Rhythmic_column_engraver

Generate NoteColumn, an object that groups stems, note heads, and rests.

This engraver creates the following layout object(s): NoteColumn.

Script_column_engraver

Find potentially colliding scripts and put them into a ScriptColumn object; that will fix the collisions.

This engraver creates the following layout object(s): ScriptColumn.

Script_engraver

Handle note scripted articulations.

Music types accepted: articulation-event

Properties (read)

scriptDefinitions (list)

The description of scripts. This is used by the Script_engraver for typesetting note-superscripts and subscripts. See scm/script.scm for more information.

This engraver creates the following layout object(s): Script.

Slash_repeat_engraver

Make beat repeats.

Music types accepted: repeat-slash-event

This engraver creates the following layout object(s): DoubleRepeatSlash and RepeatSlash.

Spanner_break_forbid_engraver

Forbid breaks in certain spanners.

Text_engraver

Create text scripts.

Music types accepted: text-script-event

This engraver creates the following layout object(s): TextScript.

Tie_engraver

Generate ties between note heads of equal pitch.

Music types accepted: tie-event

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): Tie and TieColumn.

Trill_spanner_engraver

Create trill spanners.

Music types accepted: trill-span-event

Properties (read)

currentCommandColumn (graphical (layout) object)

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

currentMusicalColumn (graphical (layout) object)

Grob that is X-parent to all non-breakable items (note heads, lyrics, etc.).

This engraver creates the following layout object(s): TrillSpanner.

Tuplet_engraver

Catch tuplet events and generate appropriate bracket.

Music types accepted: tuplet-span-event

Properties (read)

tupletFullLength (boolean)

If set, the tuplet is printed up to the start of the next note.

tupletFullLengthNote (boolean)

If set, end at the next note, otherwise end on the matter (time signatures, etc.) before the note.

This engraver creates the following layout object(s): TupletBracket and TupletNumber.

Vaticana_ligature_engraver

Handle ligatures by glueing special ligature heads together.

Music types accepted: ligature-event and pes-or-flexa-event

This engraver creates the following layout object(s): DotColumn and VaticanaLigature.

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LilyPond Internals Reference v2.25.22 (development-branch).