Re: shiftOn shifts to the left

[tisimst]

Alberto Simões-2 wrote
> Dear Mark
> 
> Thank you for pointing me yet again to that page. This is the third time 
> I read it, and only now I noticed this sentence:
> 
>    "When a shift is applied, voices with upstems (odd-numbered voices) 
> are shifted to the right, and voices with downstems (even-numbered 
> voices) are shifted to the left."
> 
> So, it doesn't matter what voices I choose (even if the text says 
> "even-numbered voices"), if I choose for force the stem down, then it 
> will be shifted left.
> 
> So, to get what I want I might need some kind of absolute positioning. 
> But I will keep it that way. Was just trying to understand how changing 
> stems changed note positioning.
> 
> Best,
> ambs

Alberto,

I think part of the confusion is the musical context for what you are trying
to do. Is this something of your creation or are you transcribing an
existing score that we could look at to get a better understanding?

Based on this discussion, it seems like you have two options:

1. Apply the "\voiceThree" to the "e2." which shifts the notehead to the
right, but puts the stem up, 

\score {
  \new Staff \relative c'' <<
    {
      \time 3/4
      a4 b c
    }\\<<
      { e,4 g a ~ | <fis a>2. } 
      \new Voice { \voiceThree e2. | s2. } 
    >>
  >>
  \layout{}
}

<http://lilypond.1069038.n5.nabble.com/file/n164684/voice-three-option.png> 

or

2. Make the "e2." the only "\voiceTwo" notehead at that point in question
and put a spacer where the second voice's "e" would be.

\score {
  \new Staff \relative c'' <<
    {
      \time 3/4
      a4 b c
    }\\<<
      { s4 g a ~ | <fis a>2. } 
      \new Voice { \voiceTwo e2. | s2. } 
    >>
  >>
  \layout{}
}

<http://lilypond.1069038.n5.nabble.com/file/n164684/one-notehead-option.png> 

Personally, i like the second option better. Either way, proper usage of the
\voiceX commands  and "\\" syntax should provide the right solution.

Hope that helps,
Abraham

P.S. Changing the stem direction changes the note's NoteColumn for collision
identification, it doesn't _necessarily_ change the voice.



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