Re: better beam direction algorithm (again)

[Kristof Bastiaensen]

At Wed, 31 Aug 2005 07:47:37 +0200 (CEST),
Werner LEMBERG wrote:
> 
> > > Lilypond still uses a non-optimal beam direction algorithm.  Again
> > > I suggest to simply check for the note under the beam which has
> > > the greatest distance from the staff's middle line, and to use its
> > > natural direction for the whole beam.
> > 
> > But what happens if there are a lot of those notes with the same
> > maximum?
> 
> Example, please.
>

Time = {\time 6/8}

Musicone = \relative c'''{
  \time 6/8
  \clef violin
  e16 e e e e,, e''
  \stemUp
  e16 e e e e,, e''}

\score
{
  \new Staff {
    \Musicone
  }
  \layout {}
}

> > We'd get a beam with a lot of (too) long stems. Wouldn't it be
> > better to take the direction which minimizes the total deviation
> > from the standard stemlength?
> 
> IMHO it is better to make the beam always stay near the staff lines.
>

It should be a trade-off between having an optimal structure of the
group and an optimal coverage of the staf by the stems.

Kristof Bastiaensen