Salut Pierre,
Am 20.05.2020 um 18:00 schrieb lilypond-user-requ...@gnu.org:
> toneCluster = #(define-music-function
> (note1 note2) (ly:music? ly:music?)
> #{
> {
> \once\override NoteHead.stem-attachment =
#'(0 . 0)
> \once \override Stem.length =
> #(lambda (grob)
> (- (ly:stem::calc-length grob)
4.5))
> \once\override Stem.thickness = #8
> < #note1 #note2 >
> }
> #})
>
> %% Test:
> {
> a' \toneCluster a a'' a' \toneCluster a cis''''
> }
>
> Anything better?
How about that:
take the two pitches, calculate how many steps are between them and use
that as stem length.
% -----------------------------------------
\version "2.19.83"
toneCluster = #(define-music-function
(note1 note2) (ly:music? ly:music?)
(let*
(
(p1 (ly:music-property note1 'pitch))
(p2 (ly:music-property note2 'pitch))
(steps
(-
(+ (* 7 (ly:pitch-octave p2)) (ly:pitch-notename p2))
(+ (* 7 (ly:pitch-octave p1)) (ly:pitch-notename p1))
)
)
)
#{
{
\once\override NoteHead.stem-attachment = #'(0 . 0)
\once \override Stem.length = #steps
\once\override Stem.thickness = #8
< #note1 #note2 >
}
#})
)
%% Test:
{
a' \toneCluster a' a'' a' \toneCluster a cis'''
}
% -----------------------------------------
Cheers,
Klaus
