Re[2]: Fw: Re[2]: coloring voices vs systemStartDelimiterHierarchy

[Thomas Schuch]

So, i tried to figure out all problems I have with this function at the 
moment.
I'd like to have general Score informations (as TimeSignature, Key, 
Clefs at the beginning of a line etc.) remain with the standard color 
(-> black) and all informations regarding a specific Voice (NoteHeads, 
Stems, Beams, LederLines, Articulations, Dynamics, clef Changes etc.) 
colored in a custom color.
1. The colored music expression is interrupted by <<{}\\{}>>, so you 
have to repeat \colorMusic very often (especially in polyphonic music 
(and especially with "Bach") there are often short areas with added 
voices, which are rather "extensions" to the main voice than a proper 
separated voice)

Is there any way "\colorMusic #red {c <<{c} \\ {c}>> c}" works for the 
entire area?

2. Clefs
If i want to color some music at the beginning of a system, the Clef at 
the SystemStart gets colored, too.

3. Beams
If the colored area stops in the middle of a beam, the second part of 
the beam gets colored, while the NoteHeads and Stems remain black as 
intended. I know, that every Beam is one single object, but is there a 
possibility to divide such a beam and color only the first part?

4. LedgerLines
I find it strange, that the LedgerLines remain colored...
They should be depend on the color of the NoteHead and if there are more 
Notes simultaneously (for example <a'' f'''>), the LedgerLines should 
change their color bottom-up after each NoteHead.



Thank you all very much for your help!
musicus


> Nick Payne-3 wrote
> >  If I save the ly file and try to build it (Windows, Lilypond 2.19.21) 
> > it
> >  causes lilypond to terminate with the error below. I also loaded it 
> > into
> >  Frescobaldi and got the attached Mingw error msgbox:
> >  [...]
>
> Strange... I'm on Win7 64bit, Frescobaldi & Lilypond 2.19.18 and 
> everything
> works fine.
>
> If I comment out the \startStaff and \stopStaff commands (only in the
> colorMusic function, not in any ossia voices)...
>
>           \colorGrobs #grob-names #my-color ##t
>           %\temporary \override LedgerLineSpanner.color = #my-color
>           %\temporary \override Staff.Clef.color = #my-color
>           #music
>           %\stopStaff
>           \colorGrobs #grob-names #my-color ##f
>           %\revert LedgerLineSpanner.color
>           %\revert Staff.Clef.color
>           %\startStaff
>
> ...nothing changes (or am I blind?) except for the missing brace that
> reappears:
> with_stopStaff.pdf
> <http://lilypond.1069038.n5.nabble.com/file/n177662/with_stopStaff.pdf>
> without_stopStaff.pdf
> <http://lilypond.1069038.n5.nabble.com/file/n177662/without_stopStaff.pdf>
>
> Hmmm... no idea :(
>
> Viele Grüße,
> Klaus
>
>
>
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coloring function problems.ly
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