Hi Helge,
On Sat, Feb 25, 2012 at 6:28 AM, Helge Kruse <helge.kruse-nos...@gmx.net> wrote:
> Lilypond calculates a very nice slope for the beams. But it fails when I add
> a staff change. What's wrong with my Lilypond code?
You have to explicitely tell lily that you want a kneed beam. Set
stem directions or use "directional voices":
\version "2.14.2"
instrumentDrei = \relative c' {
\clef treble
\stemUp
r4 \times 4/6 { c'16 g e c g e }
g,4\times 4/6 { \stemDown c''16 g e c \change Staff=four \stemUp g e
} \change Staff=three |
}
instrumentVier = \relative c' {
\clef bass
\stemDown
\times 4/6 { g,16 e' g c e g } c4
\times 4/6 { \voiceOne g,,16 e' g \change Staff=three \voiceTwo c e g
} \voiceOne c4 \change Staff=four
}
\score {
\new PianoStaff <<
\new Staff=three { << \instrumentDrei >> }
\new Staff=four { << \instrumentVier >> }
>>
}
Usually it's better to use \voiceOne, \voiceTwo etc. rather than \stemUp/Down.
The results might not be perfect; cross-staff beams aren't extremely
well supported in Lily now.
HTH,
Janek
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