Hi,
I want to use kneed beams for my score. These look ugly if the system
system distance is too small. Therefor I extend the spacing as in the
following example. Removing the percent character gives a reasonable
spacing.
\version "2.18.2"
\language "deutsch"
staffUpper = { \change Staff="upper" }
staffLower = { \change Staff="lower" }
upper = \relative c'' {
c1 % -\tweak #'stencil #(ly:make-stencil '() '(0 . 0.1) '(0 . 6.) ) _""
}
lower = \relative c' {
\clef bass
\override Beam.auto-knee-gap = #-8
f,16 [ \staffUpper d'16 \staffLower
as16 \staffUpper d16 ] \staffLower
f,16 [ \staffUpper d'16 \staffLower
as16 \staffUpper d16 ] \staffLower
fis,16 [ \staffUpper es'16 \staffLower
a,16 \staffUpper es'16 ] \staffLower
fis,16 [ a16 \staffUpper es'16 \staffLower a,16 ]
}
\score {
\new PianoStaff <<
\new Staff = "upper" \upper
\new Staff = "lower" \lower
>>
}
I want to save typing and it's tedious to write the complete tweak each
time. But the Y size must be adapted each time. Therefore a function is
necessary to change the current required value that is 6 in the example.
I've experimented with define-markup-command and define-music-function
by GUILE always outputs errors.
How can this tweak be folded in a function? What kind of function is
required?
Best regards
Helge
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