On Wed, Mar 13, 2019 at 3:44 PM Urs Liska <li...@openlilylib.org> wrote:
>
>
> Am 13.03.19 um 19:47 schrieb David Nalesnik:
> > On Wed, Mar 13, 2019 at 1:44 PM Aaron Hill <lilyp...@hillvisions.com> wrote:
> >> On 2019-03-13 11:41 am, Aaron Hill wrote:
> >>> On 2019-03-13 10:53 am, Urs Liska wrote:
> >>>> Hi all,
> >>>>
> >>>> is it possible to get hold of a single SystemStartBrace/Bar/Bracket to
> >>>> color it?
> >>>>
> >>>> \layout {
> >>>> \context {
> >>>> \Score
> >>>> \override SystemStartBrace.color = #red
> >>>> }
> >>>> }
> >>>>
> >>>> works but
> >>>>
> >>>> (\once) \override Score.SystemStartBrace.color = #red
> >>>>
> >>>> somewhere in the input doesn't have any effect.
> >>>>
> >>>> Any suggestions?
> >>> I think it's StaffGroup (or other appropriate container) that you
> >>> want, not Score:
> >>>
> >>> %%%%
> >>> \version "2.19.82"
> >>>
> >>> \new StaffGroup <<
> >>> \new Staff { \override StaffGroup.SystemStartBracket.color = #red b'1
> >>> }
> >>> \new Staff { b'1 }
> >>> %%%%
> >> Oops, Score works too:
> >>
> >> %%%%
> >> \version "2.19.82"
> >>
> >> \score { <<
> >> \new Staff { \override Score.SystemStartBar.color = #red b'1 }
> >> \new Staff { b'1 }
> >>>> }
> >> %%%%
> >>
> >> -- Aaron Hill
> > This will color start bars on successive lines, too.
> >
> > Try:
> >
> > \version "2.19.82"
> >
> > one = \relative c' {
> > \alterBroken color #(list red blue black) StaffGroup.SystemStartBracket
> > a1 \break
> > a \break
> > a
> > }
> >
> > two = \relative c' {
> > c c c
> > }
> >
> > \new StaffGroup <<
> > \new Staff \one
> > \new Staff \two
> > HTH,
> > David
>
> Well, I *could* make that work in my case by placing that command at the
> beginning of the score and use a list with all elements black and only
> the last one in the highlighting color.
>
> But actually I would prefer having something that I can insert in the
> input file right where it happens. Like not saying "color the fifth
> system from here (the start)" but rather "color the next system".
>
> Urs
You're not going to be able to do it simply, any more than you can
introduce overrides of individual pieces of a broken slur once it's
begun. The starting bars are all clones of the first object.
The only way I can suggest is to collect all the grobs on the system
in question using the 'all-elements property (you can do this through
a grob on the system in question), locate the target grob, and set its
'color property.
DN
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