On Sun, 2015-09-13 at 00:46 +0200, Thomas Morley wrote: > 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
That's brilliant - thank you so much. I wasn't aware of point-stencil (or had forgotten about it). The scaling of durations is a neat trick too - I hadn't thought of it. I find that the override of the tie-length is unnecessary. David _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user