Re: problem with \autochange and \ottava
Gilberto Agostinho gilbertohasnofb at gmail.com writes:
[in the context of music generated by an algorithm]
I am having trouble dealing with ottava changes while using autochange.
The example showed \ottava changing the ottavation of staves by hand,
but the music moving between staves automatically with \autochange.
You or your algorithm must have some idea on which staff to place the
notes, before determining whether the staff needs an ottava change.
The general solution seems to be to apply whatever algorithm you use
to choose ottavation after applying the \autochange routine
\autoOctave \autoChange {...}
or maybe easier to merge them into one.
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Re: problem with \autochange and \ottava
Hi Keith,
Keith OHara wrote
The general solution seems to be to apply whatever algorithm you use
to choose ottavation after applying the \autochange routine
\autoOctave \autoChange {...}
or maybe easier to merge them into one.
Oh, I see! So now I will probably aim to produce something like the code
below:
\score {
\new PianoStaff {
\autochange { c'4 d' c' b }
\autochange { \ottava #1 c''' e''' g''' }
\autochange { \ottava #0 c' b a }
}
}
I always applied \autochange to the whole PianoStaff, and for some reason it
didn't cross my mind I could do \autochange { musicA } \autochange { musicB
} etc. Thanks a lot, now things will be much easier!
Take care,
Gilberto
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problem with \autochange and \ottava
Hello LilyPonders,
I am having trouble dealing with ottava changes while using autochange. Have
a look on the code below:
\score {
\new Staff = up {
c' d' c' \change Staff = down b
\change Staff = up \ottava#1 c''' e''' g''' \ottava#0 c' b a
}
\new Staff = down {
\clef bass
s1 s1
}
}
\score {
\new PianoStaff \autochange {
c'4 d' c' b \ottava#1 c''' e''' g''' \ottava#0 c' b a
}
}
Which produces this:
http://lilypond.1069038.n5.nabble.com/file/n168278/56.png
The top system is manually written, while the second uses autochange. I can
see what's happening is that autochange is waiting for the next note higher
than c to change staffs, and thus any command before this note (including
ottavation) will be written before it (that is, still in the bottom staff).
Is there any way of dealing with this situation or do I need to manually
deal with it?
Thanks a lot,
Gilberto
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