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Automatically coloring grobs to indicate when their direction has been manually …

…when the directions of slurs, stems, or other grobs have been manually set (as opposed to being … …by LilyPond). This snippet changes the color of grobs when their direction has been manually set. Red … …indicates down. It can be applied to all grobs, or just to certain types of grob (i.…

…3_\4_"xy" } % only color Slur and TextScript grobs \new Voice \with { \mapList #colorizeDir Slur.TextScript } { \music } % color all grobs \new Voice \with { \mapList #colorizeDir #(map car …

Using ly:grob-object to access grobs with \tweak

Some grobs can be accessed “laterally” from within another grob’… …grobs. Demonstrated below are some ways of accessing grobs from within a NoteHead callback, but the technique … …not that useful, but it demonstrates that the grobs are indeed being accessed. Example console output: #<…

…x)) (list accidental arpeggio stem)))) \relative c' { %% display grobs for each note head: %\override NoteHead.before-line-breaking = #display-grobs <…

Glissandi can skip grobs

NoteColumn grobs can be skipped over by glissandi.

…search after Detailed information about all note head grobs the engraver has acknowledged Warnings: The engraver tries …

…color-interval-engraver-core: creates a scheme-engraver which %% acknowledges note head grobs and stores the last and %% current grob locally. … …length noteheads-to-process) 2) (set! ready-to-process? #t)))) ;; Check for grobs in the queue, before continuing (if ready-to-process? ;; Note head grobs store a reference to the ;; event that caused …

Drawing boxes around grobs

Changing properties for individual grobs

Using the \tweak command to tweak individual grobs

…Accidental} grob, to the list of the accidental grobs of @var{grob}, an @code{AccidentalPlacement} grob. Rewrite … …group accidental) ;; the note head and the accidental grobs are added to the ;; ambitus object (set! (ambitus-note-head (… …ly:axis-group-interface::add-element (ambitus-group ambitus) accidental-placement)) ;; no notes ==> suicide the grobs (begin (for-each (lambda (direction) (ly:grob-suicide! (ambitus-note-accidental (ambitus-note ambitus …

…one main time period anchor new Rehearsal Mark GROBs at the first GraceTime seen in the (hopefully … …to ;; modify their X anchor (final-texts '()) ;; the created GROBs after they're completed at ;; 'stop-translation-timestep', used to … …and by some 'keys' the engraver creates two grobs, one above and one below the staves:" } } } \noPageBreak \…

Coloring grobs and notational elements using a sophisticated music function