I think it's because the 2 clashing notes are in the same voice, and therefore
any shift would apply to each equally. Try making your bassOneToTrebleTwo use
voiceFour.
==
Phil Holmes
----- Original Message -----
From: Frederick Bartlett
To: lilypond-user@gnu.org
Sent: Monday, November 21, 2011 3:37 PM
Subject: Why can't I force an hshift?
Hi!
I'm setting part 2 of BWV142 in a piano-vocal version (Petrucci PDF, p. 3),
and am having trouble getting the voices to print correctly in the piano part
when they change staves. In 'bassOneMusic' below, the g at the end of m6 and
the fis beginning m7 should both be shifted a bit, but my use of force-hshift
is not having any effect.
What am I doing wrong?
Thanks!
Fred
%%% extracted short sample
\version "2.14.1"
bassOneToTrebleTwo = { \change Staff = "treble" \voiceTwo }
trebleTwoToBassOne = { \change Staff = "bass" \voiceOne }
hR = { \once \override NoteColumn #'force-hshift = #0.5 }
global = {
\key c\major
\time 4/4
\override Hairpin #'to-barline = ##f
\mergeDifferentlyDottedOn
}
trebleOneMusic = \relative c''' {
a8 e fis a g!4 e4 ~ | % 6 % end sys 3
e dis e r | % 7
}
trebleTwoMusic = \relative c'' {
c8 c c b16 a b4 b | % 6 % end sys 3
c b <g b>8 e e e | % 7
}
bassOneMusic = \relative c' {
e8 a, a a e'4 \bassOneToTrebleTwo \hR g | % 6 % end sys 3
\hR fis2 \trebleTwoToBassOne e8 e d! [ c16 b ] | % 7
}
bassTwoMusic = \relative c' {
a4. g!16 fis g4. fis16 e | % 6 % end sys 3
a8 [ g16 fis ] b8 b, e8 c' b [ a16 gis ] | % 7
}
\score {
<<
\new PianoStaff <<
\new Staff = "treble" \with {
%%% \override RestCollision #'positioning-done =
#merge-rests-on-positioning
} <<
\new Voice = "treble1" << \voiceOne \global \trebleOneMusic >>
\new Voice = "treble2" << \voiceTwo \global \trebleTwoMusic >>
>>
\new Staff = "bass" \with {
%%% \override RestCollision #'positioning-done =
#merge-rests-on-positioning
} <<
\clef bass
\new Voice = "bass1" << \voiceOne \global \bassOneMusic >>
\new Voice = "bass2" << \voiceTwo \global \bassTwoMusic >>
>>
>>
>>
\layout {
\context {
\Staff
}
}
}
--
The things that make us happy make us wise.
-- John Crowley, Little, Big
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