2015-09-13 0:11 GMT+02:00 David Sumbler <da...@aeolia.co.uk>:
> I have yet another problem related to repeats. The piece I am setting
> has one instrument which is tied from the last note in the
> first-time-bar to the note at the start of the repeat. (Moving the
> repeats does not help, because there are a lot of overlapping ties.)
>
> I tried to produce an unterminated tie in the last bar of the first
> alternative by having a second, invisible voice with two tied notes in
> the bar:
>
> \version "2.19.24"
>
> { g'1 ~|
> \repeat volta 2 { g'1 | d'1 | }
> \alternative {
> {
> << { g'1 } \\ { \override Dots.stencil = ##f
> \override Stem.stencil = ##f
> \override Flag.stencil = ##f
> g'2... ~ g'16
> \revert Flag.stencil
> \revert Stem.stencil
> \revert Dots.stencil
> } >> |
> } {
> a'1 |
> } }
> g'1 |
> }
>
> So far, so good, but the note heads in the bar are still there of
> course. But when I add "\override NoteHead.stencil = ##f" the compiler
> gives up with the message:
>
> Drawing systems...lilypond:
> /home/gub/NewGub/gub/target/linux-64/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/lily/skyline.cc:119:
> void Building::precompute(Real, Real, Real, Real): Assertion `!isinf
> (slope_) && !isnan (slope_)' failed.
>
> Why does this happen? And is there perhaps a simpler way of producing
> my unterminated tie?
If you set NoteHead.stencil #f, then the Tie has nothing to attach to.
Use point-stencil instead.
Scaling durations will save much code:
\version "2.19.24"
{
g'1 ~|
\repeat volta 2 { g'1 | d'1 | }
\alternative {
{
g'1*15/16~
\once \override Stem.stencil = #point-stencil
\once \override Flag.stencil = #point-stencil
\once \override NoteHead.stencil = #point-stencil
\once \override Tie.minimum-length = 10
g'16
}
{ a'1 | }
}
g'1 |
}
Other possibility would be to use \repeatTie and use \shape on it.
I doubt it would be the better one ...
Cheers,
Harm
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