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List:       lilypond-bug
Subject:    Re: Wrong stem direction when combining cross-staff and multiple voice notation
From:       Torbjörn_Björkman <torbjornb () gmail ! com>
Date:       2012-05-31 12:11:08
Message-ID: CAG-c=j6kPibooszn_fA+m_ssDi3PENcBdzPF+a9Vbq=p0mThvQ () mail ! gmail ! com
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Hello,

Just as you said, this solves it, also in my real world case.
I had tried to explicitly create the voices in the upper staff, since it
was in those voices that the problem arose and then I didn't even think of
trying with the voices in the lower staff. Silly me.

Thank you!
Torbjörn

2012/5/31 Marek Klein <marek@gregoriana.sk>

> Hello,
> 
> 2012/5/31 Torbjörn Björkman <torbjornb@gmail.com>
> 
> > When I let a voice cross over to the another staff I suddenly can't
> > specify
> > the
> > stem direction iff there are multiple voices in the staff I cross over to.
> > Trying to set \voiceOne has the same lack of effect.
> > I don't know if this is a bug or if there is some subtlety with the rules
> > for
> > multiple voices that I am unaware of, but it is unexpected and I can't
> > make
> > it
> > be the way I need.
> > 
> > It works, if you explicitly create voices as advised in Notation
> reference:
> http://lilypond.org/doc/v2.14/Documentation/notation/multiple-voices
> 
> In all but the simplest works it is advisable to create explicit Voicecontexts as \
> explained in Contexts
> > and engravers<http://lilypond.org/doc/v2.14/Documentation/learning/contexts-and-engravers>and \
> > Explicitly instantiating \
> > voices<http://lilypond.org/doc/v2.14/Documentation/learning/explicitly-instantiating-voices>.
> >  
> 
> 
> \version "2.14.2"
> 
> 
> \new PianoStaff <<
> \new Staff = "RH" \relative c'' {
> <<
> {c b a g f}\\
> {\change Staff = "LH" \stemUp f, g a b c}
> % crossing the lower voice to staff with multiple empty voices below
> > > 
> }
> \new Staff = "LH" \relative c {
> \clef bass
> <<
> \voiceOne {s1 s4}
> \new Voice \voiceTwo {s1 s4}
> > > 
> }
> > > 
> 
> HTH
> Marek,
> bug squad member
> 
> 


-- 
======================================
Torbjörn Björkman


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