I've spent some time trying to figure this out, and I'm certain
it's
possible; the only question is, what's the cleanest way to do it?
I want to print out score with each note color coded (middle C in
red,
D in orange, E in green) to match a set of bells. Currently, I
have a
fairly straightforward setup, but exceedingly tedious: identify
the
bell AND give the music expression. What I'd like to do is make it
that I can simply key in the music as is, and then have some
scriptwork figure out what color to make each one based on its
staffposition.
Current code:
% Is there an alternative to this shocking editor inheritance?
bell = #(define-music-function (parser location bellnum mus)
(integer?
ly:music?)
(if (eq? bellnum 1) #{ \once \override NoteHead #'color = #red
\once \override Stem #'color = #red $mus #}
(if (eq? bellnum 2) #{ \once \override NoteHead #'color =
#orange
\once \override Stem #'color = #orange $mus #}
(if (eq? bellnum 3) #{ \once \override NoteHead #'color =
#yellow
\once \override Stem #'color = #yellow $mus #}
(if (eq? bellnum 4) #{ \once \override NoteHead #'color =
#green
\once \override Stem #'color = #green $mus #}
(if (eq? bellnum 5) #{ \once \override NoteHead #'color =
#darkgreen \once \override Stem #'color = #darkgreen $mus #}
(if (eq? bellnum 6) #{ \once \override NoteHead #'color = #cyan
\once \override Stem #'color = #cyan $mus #}
(if (eq? bellnum 7) #{ \once \override NoteHead #'color =
#darkblue \once \override Stem #'color = #darkblue $mus #}
(if (eq? bellnum 8) #{ \once \override NoteHead #'color =
#magenta
\once \override Stem #'color = #magenta $mus #}
#{ #}
)))))))))
... and inside the Voice:
% Every note must be entered as a bell identifier
(#1
being the lowest bell, and #8 being the highest),
% in addition to its note definition.
s2
\bell #1 c8(
\bell #2 d8)
\bell #3 e2
\bell #3 e4
\bell #5 g4.(
\bell #4 f8)
\bell #3 e4
\bell #2 d4.(
\bell #3 e8)
\bell #4 f4
\bell #3 e2
r4
This is tedious and error-prone, as I have to give all information
twice. I'm pretty certain that my failure is due to my lack of
knowledge of the system, and that the experts on this list will be
able to offer a solution - maybe there's one already built and
ready!
ChrisA
Hopeful in the trusting, rather than futile, sense! :)
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