Re: Openlilylib edition-engraver. I need help understanding how to reference contexts.

[Jan-Peter Voigt]

Hello Stefano,

I can't reproduce the misbehaviour/error you mentioned first. The 
overrides are applied irrespective of the clefs placement. If the error 
persists, you might send the <document>.edition.log file.

To reduce the redundancy you mentioned you can create variables:

LH = Piano.LH
RH = Piano.RH

Then you can use them like this:

\editionMod test 1 0/4 \RH.Voice.A { ... }

Internally the modifications are stored in a hierarchically structured 
manner before the targets are known. Thet is the reason the full path is 
needed.

HTH
Jan-Peter


Am 25.01.2018 um 23:35 schrieb Stefano Troncaro:
> Hello everyone! So, I'm learning to use the edition-engraver, but there 
> are some behaviors that I can't figure out.
>
> Take the following snippet:
>
>     \version  "2.19.80" \language  "english" \include  "oll-core/package.ily" 
> \loadPackage  edition-engraver
>
>     \addEdition  test
>
>     \editionMod  test1 0/4  RH.Voice.A{ \once \override  NoteHead.color  = 
> #green } \editionMod  test1 0/4  LH.Voice.A{ \once \override  NoteHead.color  = 
> #green } \consistToContexts  #edition-engraver Score.PianoStaff.Staff.Voice
>
>     \score  { \new  PianoStaff  << \new  Staff  \with  {  \editionID  RH} << \new  Voice  \relative  
> c''{  \voiceOne  c4.  d8  d4.  g8  | e4.(  d8  c b g4)  } \new  Voice  \relative  c''{  \voiceTwo  a2.  g4~  | g f2 
>  e4  |} >> \new  Dynamics  {  s1\mp  } \new  Staff  \with  {  \editionID  LH} { << \new  Voice  
> \relative  c'{  \clef  F  \voiceOne  e8  d c4 d8  c b4  | c8  b a2  g4  |} \new  Voice  \relative  c{  \voiceTwo  
> f2  e | d g,4  c |} >> } >> }
>
>
> In the left hand staff, if I move the \clef F from inside one of the two 
> voices to the outside, like in the following example:
>
>     \new  Staff  \with  {  \editionID  LH} {  \clef  F  << \new  Voice  \relative  
> c'{  \voiceOne  e8  d c4 d8  c b4  | c8  b a2  g4  |} \new  Voice  \relative  c{  \voiceTwo 
>  f2  e | d g,4  c |} >> }
>
> then I can't find a way to reference the voices contained in the Staff. 
> Why does this happen?
>
> Secondly, if I give an \editionID to the PianoStaff, then I can only 
> reference the staves by giving a full route. For example, if I gave it 
> the ID Piano I would have to write Piano.LH.Voice.A to reference the 
> first voice. Is there a way to avoid this redundancy?
>
> In relation with the last question, I have tried and I can't figure out 
> how to give an ID to a Voice context so that I can reference it 
> directly, without having to "walk to it" from a reference to a Staff. Is 
> this possible?
>
> Those are all my doubts, at least for the moment. Thank you in advance!
>
>
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