input/regression/ledger-lines-varying-staves.ly

   1 \version "2.12.0"
   2 \header {
   3   texidoc = "Ledger lines should appear at every other location
   4 for a variety of staves using both @code{line-count} and
   5 @code{line-positions}."
   6 }
   7
   8 notes = \relative c' {
   9   \time 3/4
  10   c2. | d | e | f
  11   g2. | a | b | c
  12   d2. | e | f | g
  13   a2.
  14 }
  15
  16 \new Staff {
  17   % upper and lower lines both odd
  18   #(define mylines '(-1 0 1))
  19   \override Staff.StaffSymbol #'line-count = #(length mylines)
  20   \override Staff.StaffSymbol #'line-positions = #mylines
  21   \notes
  22 }
  23
  24 \new Staff {
  25   % upper and lower lines both even
  26   #(define mylines '(-2 0 2))
  27   \override Staff.StaffSymbol #'line-positions = #mylines
  28
  29   \override Staff.StaffSymbol #'line-count = #(length mylines)
  30   \notes
  31 }
  32
  33 \new Staff {
  34   % lower line odd, upper line even
  35   #(define mylines '(-1 0 2))
  36   \override Staff.StaffSymbol #'line-positions = #mylines
  37   \override Staff.StaffSymbol #'line-count = #(length mylines)
  38   \notes
  39 }
  40
  41 \new Staff {
  42   % odd line count
  43   \override Staff.StaffSymbol #'line-count = #5
  44   \notes
  45 }
  46
  47 \new Staff {
  48   % even line count
  49   \override Staff.StaffSymbol #'line-count = #4
  50   \notes
  51 }