Thank you David!
Yes, this solved my problem, and I am satisfied. It works fine also with
four staves Choir staff which I will use it for.
/Kaj
Den 2015-02-04 02:50, skrev David Nalesnik:
Hi,
On Tue, Feb 3, 2015 at 4:35 PM, David Nalesnik
<david.nales...@gmail.com <mailto:david.nales...@gmail.com>> wrote:
Hi Kaj,
On Tue, Feb 3, 2015 at 1:37 PM, Kaj Persson <kape_...@algonet.se
<mailto:kape_...@algonet.se>> wrote:
In the snippet collection, the "Repeats" section, there is one
named "Shortening volta brackets". I have use for just this,
since in a piece of music I need some extra space in order to
put a mark immediately after the volta alternative bracket. So
I tested it, and, yes, the example promised well. The method
is to work with the variable voltaSpannerDuration via the the
statement:
"\set Score.voltaSpannerDuration = #(ly:make-moment 2 4)"
This way you can shorten the bracket even down to one single
strike:
But when I expand the system to this, hence two staves instead
of one, this happens:
I'll have to look at this some more, but it seems there is a bug.
Even in the single staff example, there is a warning: "cannot end
volta spanner". I get this with the snippet you reference as
well. Possibly there is a flaw in lily/volta-engraver.cc. And
another "possibly": this might be related to what happens in your
multi-staff example.
Yes, there is a problem in the file that defines the engraver.
Unfortunately, there would need to be a fix to this file to enable you
to use the property voltaSpannerDuration to give you what you want
(and this wouldn't be available until the next release).
Fortunately, there is a workaround, though you will need to "eyeball"
it to get a good result. Try this:
\version "2.18.2"
StaffA = \relative c' {
c4 c c c
\repeat volta 2 { d4 d d d }
\alternative {
{
e4 e e e
}
{
% Shorten the volta bracket
\override Score.VoltaBracket.shorten-pair = #'(0.5 . 5)
% OR:
% \offset shorten-pair #'(0 . 5) Score.VoltaBracket
f4 r4 r4 r4
}
}
\repeat volta 2 {g4 g g g}
}
StaffB = \relative c'{
c4 c c c
\repeat volta 2 { d4 d d d }
\alternative {
{
e4 e e e
}
{
% Shorten the volta bracket
%\override Score.VoltaBracket.shorten-pair = #'(0.5 . 5)
f4 r4 r4 r4
}
}
\repeat volta 2 {g4 g g g}
}
\score {
<<
\StaffA
% Remove the comment sign (%) on next line to get two staves.
\StaffB
>>
\layout {
}
}
%%%%%
Hope this helps,
David
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