Here's the commands I was told to use (assuming "grob" is the NoteColumn):
(let ((notes (ly:grob-object grob 'note-heads)))
(if (ly:grob-array? notes)
(for-each
(lambda (note) ... do something to the NoteHead... ))))
HTH,
Abraham
On Fri, Jan 22, 2016 at 5:47 AM, Simon Albrecht-2 [via Lilypond] <
[email protected]> wrote:
> Hello,
>
> I want to write a before-line-breaking callback for stem and need the
> staff-position of the associated NoteHead. (There aren’t going to be
> any chords.) This
> %%%%%
> \version "2.19.35"
> {
> \override Stem.before-line-breaking =
> #(lambda (grob) (format #t "~a\n"
> (ly:grob-parent grob 0)))
> b'4
> }
> %%%%%
> tells me that the parent is the NoteColumn. How do I retrieve the
> NoteHead from the Column?
>
> TIA, Simon
>
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