input/new/fret-diagrams-explained-and-developed.ly

   1 \version "2.11.61"
   2
   3 \header {
   4   lsrtags = "fretted-strings,tweaks-and-overrides"
   5   texidoc = "This snippet shows many possibilities for obtaining
   6 and tweaking fret diagrams."
   7   doctitle = "Fret diagrams explained and developed"
   8 }
   9
  10 <<
  11   \chords {
  12     a2 a
  13     c2 c
  14     d1
  15   }
  16
  17   \new Voice = "mel" {
  18     \textLengthOn
  19     % Set global properties of fret diagram
  20     \override TextScript #'size = #1.2
  21     \override TextScript #'fret-diagram-details #'finger-code = #'below-string
  22     \override TextScript #'fret-diagram-details #'dot-color = #'black
  23
  24     %% A chord for ukelele
  25     a'2^\markup {
  26       \override #'(fret-diagram-details . (
  27                    (string-count . 4)
  28                    (dot-color . white)
  29                    (finger-code . in-dot))) {
  30         \fret-diagram #"4-2-2;3-1-1;2-o;1-o;"
  31       }
  32     }
  33
  34     %% A chord for ukelele, with formatting defined in definition string
  35     %  1.2 * size, 4 strings, 4 frets, fingerings below string
  36     %  dot radius .35 of fret spacing, dot position 0.55 of fret spacing
  37     a'2^\markup {
  38       \override #'(fret-diagram-details . (
  39                    (dot-color . white)
  40                    (open-string . "o"))) {
  41         \fret-diagram #"s:1.2;w:4;h:3;f:2;d:0.35;p:0.55;4-2-2;3-1-1;2-o;1-o;"
  42       }
  43     }
  44
  45     %% C major for guitar, barred on third fret
  46     %  verbose style
  47     %  roman fret label, finger labels below string, straight barre
  48     c'2^\markup {
  49       % 110% of default size
  50       \override #'(size . 1.1) {
  51         \override #'(fret-diagram-details . (
  52                      (number-type . roman-lower)
  53                      (finger-code . below-string)
  54                      (barre-type . straight))) {
  55           \fret-diagram-verbose #'((mute 6)
  56                                    (place-fret 5 3 1)
  57                                    (place-fret 4 5 2)
  58                                    (place-fret 3 5 3)
  59                                    (place-fret 2 5 4)
  60                                    (place-fret 1 3 1)
  61                                    (barre 5 1 3))
  62         }
  63       }
  64     }
  65
  66     %% C major for guitar, barred on third fret
  67     %  verbose style
  68     c'2^\markup {
  69       % 110% of default size
  70       \override #'(size . 1.1) {
  71         \override #'(fret-diagram-details . (
  72                      (number-type . arabic)
  73                      (dot-label-font-mag . 0.9)
  74                      (finger-code . in-dot)
  75                      (fret-label-font-mag . 0.6)
  76                      (fret-label-vertical-offset . 0)
  77                      (label-dir . -1)
  78                      (mute-string . "M")
  79                      (orientation . landscape)
  80                      (xo-font-magnification . 0.4)
  81                      (xo-padding . 0.3))) {
  82           \fret-diagram-verbose #'((mute 6)
  83                                    (place-fret 5 3 1)
  84                                    (place-fret 4 5 2)
  85                                    (place-fret 3 5 3)
  86                                    (place-fret 2 5 4)
  87                                    (place-fret 1 3 1)
  88                                    (barre 5 1 3))
  89         }
  90       }
  91     }
  92
  93     %% simple D chord
  94     d'1^\markup {
  95       \override #'(fret-diagram-details . (
  96                    (finger-code . below-string)
  97                    (dot-radius . 0.35)
  98                    (dot-position . 0.5)
  99                    (fret-count . 3))) {
 100         \fret-diagram-terse #"x;x;o;2-1;3-2;2-3;"
 101       }
 102     }
 103   }
 104 >>