Re: Broken beam to the left not working?

[Jean Abou Samra]

Le 29/03/2022 à 19:51, Knute Snortum a écrit :
> I've come across an odd behavior, maybe a bug.  I am trying to create 
> a broken/partial/fragmented beam to the left of the note group.  I can 
> do it to the right just fine.  Some code may help illustrate what I mean:
>
> %%%
> \version "2.23.7"
>
> % This doesn't work: no beams are created
> \relative c''' {
>   \hideNotes g8[ \unHideNotes f16 e f]
> }
>
> % This works: beams are created with a partial beam at the end
> \relative c'' {
>   f16[ e f \hideNotes g8] \unHideNotes
> }
> %%%
>
> The "\hideNotes" trick works when I want the partial beam to the 
> right, but not to the left.  Bug?  Is there a work-around?


I didn't investigate, but using \hideNotes is always hacky. There is a 
much better way:

\version "2.22.2"

\relative c''' {
  s8
  \set stemLeftBeamCount = 1
  f,16[ e f]
}

\relative c'' {
  f16[ e
  \set stemRightBeamCount = 1
  f] s8
}

https://lilypond.org/doc/v2.22/Documentation/notation/beams#manual-beams

Best,
Jean