Re: Ties on series of tied notes on center line flipping direction (randomly?)

[Thomas Morley]

Am So., 9. Jan. 2022 um 17:16 Uhr schrieb Valentin Petzel <valentin@petzel.at>:
>
> Hi Richard,
>
> It is hard to try to understand the problem with just some pictures. Do you
> have some code you can send us?
>
> Cheers,
> Valentin
>
> Am Sonntag, 9. Jänner 2022, 13:34:48 CET schrieb Richard Shann:
> > Hi,
> >
> > Has anyone experienced the direction of ties on a series of tied notes
> > on the center line of the staff flipping direction, seemingly at
> > random?
> >
> > I attach an example, but I haven't been able to cut the file concerned
> > down while keeping the effect - if I delete the lyrics for example the
> > problem at that point goes away and if I delete bars likewise (*).
> >
> > I guess this might be related to the question of how LilyPond decides
> > the direction for ties on notes on the center line in any case? I am on
> > version 2.22 of LilyPond.
> >
> > Richard Shann
> >
> > (*) I should add that as my lyrics are written separately from the
> > notes, deleting bars without deleting the corresponding lyrics as I did
> > does alter the underlay of the lyrics, so perhaps it is all lyrics
> > related...

Below triggers it:

\relative b' { b2~ b1*3/8~ b1*1/8 }

Obviously it depends on spacing/tie-length, see also:

\relative b' {
 \cadenzaOn
  b1~
  b1~
  \override NoteColumn.X-offset = #-2
  b
}

No time to investigate further, though.

Cheers,
  Harm