mari+lilyp...@mailbox.org writes:
> Hi,
>
> the following example shows three bars with should all show the eighth
> notes as in bar 1 with kneed beams. But I could not get it working in
> single staff polyphony environment (bar 2 and 3), neither automatically
> nor manually. Can someone give me a hint please what to do.
At one point of time you have to decide whether you want to typeset with
two separately _directioned_ voices or not.
\voiceOne is implied in the first voice in a << \\ >> construct, and
that includes \stemUp which in turn precludes kneeing. You can switch
just this setting off by putting \stemNeutral first, cancelling the
stem direction preset.
> \version "2.19.65"
>
> global = {
> \key c \major
> \time 4/4
> }
>
> notes = {
> c8 \change Staff="right" c'' \change Staff="left" c,, \change
> Staff="right" c'' \change Staff="left" c,,2
> }
>
> right = \relative c'' {
> \global
> s1 s1 s1
> }
>
> left = \relative c {
> \global
>
> \notes
>
> << { \notes } \\ { a2 a2 } >>
>
> << { \override Beam.auto-knee-gap = #1
> \notes } \\ { a2 a2 } >>
> }
>
> \score {
> \new PianoStaff \with {
> instrumentName = "Piano" }
> <<
> \new Staff = "right" \with {
> } \right
> \new Staff = "left" \with {
> } { \clef bass \left }
> >>
> \layout { }
> \midi { }
> }
--
David Kastrup
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