Piero, I've cooked up a way of "tearing" the right side of the staff, which you can take a look at. Presumably tearing the left side of the staff shouldn't be too much harder, but I don't have time to look at it right now. I've included a lilypond file for you to experiment with. Play around with the values at the top to suit your needs:
rightTearWidth = #1
rightTearHeight = #8
rightTearLineWidth = #0.1
rightTearSerrations = #5
rightTearPadding = #0
And notice the usage at the end of the file:
\score {
\relative {
\repeat unfold 4 { g'4 d' b d } \rightTear
\repeat unfold 4 { g,4 d' b d } \rightTear
}
\layout {
ragged-right = ##t
}
}
Otherwise, is this about what you're looking for?
Let me know if you have questions or need anything
explained. Happy to help.
- Mark
\version "2.12.0"
rightTearWidth = #1
rightTearHeight = #8
rightTearLineWidth = #0.1
rightTearSerrations = #5
rightTearPadding = #0
rightTearPS = #(string-append "
/linewidth " (number->string rightTearLineWidth) " def
/width " (number->string rightTearWidth) " def
/height " (number->string rightTearHeight) " def
/serrations " (number->string rightTearSerrations) " def
/padding " (number->string rightTearPadding) " 2 width mul add def
/serrationHeight height serrations div def
/y0 height 2 div def
/xn width def
/yn serrationHeight 2 div neg def
/plotAngle {
linewidth setlinewidth
xn yn rlineto
xn neg yn rlineto
} def
/plotSerrations {
serrations { plotAngle } repeat
} def
%% whiteout:
1 setgray
0 y0 moveto
plotSerrations
padding 0 rlineto
0 height rlineto
padding neg 0 rlineto
fill stroke
%% draw serrations:
newpath
0 setgray
0 y0 moveto
plotSerrations
stroke")
rightTear = {
\once \override Staff.BarLine #'stencil = #ly:text-interface::print
\once \override Staff.BarLine #'text =
\markup \with-dimensions #`(0 . ,rightTearWidth) #'(0 . 0)
\whiteout \postscript #rightTearPS
\once \override Staff.BarLine #'X-extent =
#`(0 . ,(+ rightTearPadding rightTearWidth))
\break
}
\score {
\relative {
\repeat unfold 4 { g'4 d' b d } \rightTear
\repeat unfold 4 { g,4 d' b d } \rightTear
}
\layout {
ragged-right = ##t
}
}
<<attachment: torn-staves.png>>
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