Re: problem with beam collision (was: problem with cross-staff stems, on lilypond-user)

[Keith OHara]

Janek Warchoł <lemniskata.bernoullego <at> gmail.com> writes:

> The change is almost certainly due to new beam collision algorithm.
> I'm forwarding this message to the development team so that they will
> know about this issue.
> I'm not sure if it's a bug, though 

I think it is a documentation issue.  Sometimes we need to turn off the new 
automatic collision avoidance by beams.

\version "2.12" 
<<
  c'2
  \new Staff <<
    %% The cross-staff chord below worked until about 2.13.50, 
    %%  but now we need another override.
    %% I thought there was a nice way to say it is okay for beams to cross stems
    %%  but I can't find it now.
    % \override Staff.Beam #'details #'collision-voice-only = ##t
    \clef bass
    \new Voice {\stemUp g8 g8 g8 g8 }
    \new Voice {
      \override  Stem #'cross-staff = ##t
      \override Stem #'length = #20
      c2
    }  >> >>