ly/params-as.ly

   1 % params-as.ly
   2 % generic paper parameters
   3
   4 %%paperfile = \papersize + ".ly";
   5 %%% paperfile = "a4.ly";
   6 %%\include \paperfile;
   7 %hsize = 60.0\char;
   8 %vsize = 60.0\char;  %?
   9
  10 %%\include "paper.ly";
  11 linewidth = 60.0\char;
  12 textheight = 60.0\char;
  13 indent = 8.0\char;
  14
  15 staffspace = (\staffheight - 1.0 ) / 4.0;
  16 stafflinethickness = \staffspace / 2.0;
  17
  18 % deprecated
  19 interline = \staffspace;
  20
  21 %{
  22 The space taken by a note is determined by the formula
  23
  24 arithmetic_multiplier * ( c + log2 (time) ))
  25
  26 where code(time) is the amount of time a note occupies.  The value
  27 of code(c) is chosen such that the smallest space within a measure is
  28 arithmetic_basicspace.  The smallest space is the one following the
  29 shortest note in the measure.  Typically arithmetic_basicspace is set
  30 to the width of a quarter note head.
  31 %}
  32 % quartwidth == 1.32 * staffspace
  33 arithmetic_basicspace = 2.;
  34 %arithmetic_multiplier = 0.9 * \quartwidth ;
  35 arithmetic_multiplier = 0.9 * 1.32 * \staffspace;
  36
  37
  38 % catch suspect beam slopes, set slope to zero if
  39 % outer stem is lengthened more than
  40 beam_lengthened = 0.2 * \staffspace;
  41 % and slope is running away steeper than
  42 beam_steep_slope = 0.2 / 1.0;
  43
  44 %{
  45 dit(code(slur_x_gap)) Horizontal space between note and slur.  Set to
  46 code(\staffspace / 5) by default.
  47
  48 %}
  49 % OSU: suggested gap = ss / 5;
  50 slur_x_gap = \staffspace / 5.0;
  51 slur_y_gap = 0.25 * \staffspace;
  52 slur_y_free = 0.75 * \staffspace;
  53 slur_x_minimum = 1.5 * \staffspace;
  54
  55
  56 % use tangent controls or area asymmetry?
  57 bezier_area = 1.0;
  58 bezier_asymmetry = 1.0;
  59 bezier_beautiful = 2.0;
  60
  61 % The constants that define the valid areas for the middle control points
  62 % Used in de_uglyfy.  Bit empirical.
  63 bezier_control1 = 1.5;
  64 bezier_control2 = 0.8;
  65 bezier_control3 = -2.0;
  66
  67 % URG: the magic constants for area asymmetry
  68 bezier_pct_c0 = -0.2;
  69 bezier_pct_c3 = 0.000006;
  70 bezier_pct_out_max = 0.8;
  71 bezier_pct_in_max = 1.2;
  72 bezier_area_steps = 1.0;
  73
  74 bezier_before_blowfit = 0.5;
  75
  76 %{
  77 Like beams, slurs often aren't as steep as the notes they encompass.
  78 This sets the amount of damping.
  79 %}
  80 % slope damping: keep dy/dx < slur_slope_damping
  81 slur_slope_damping = 0.3;
  82 slur_interstaff_slope_damping = 0.6;
  83 % height damping: keep h/dx < slur_height_damping
  84 slur_height_damping = 0.4;
  85 slur_interstaff_height_damping = 0.5;
  86 % snap to stem if slur ends closer to stem than
  87 slur_snap_to_stem = 1.75 * \staffspace;
  88 slur_interstaff_snap_to_stem = 2.5 * \staffspace;
  89 % maximum dy change allowed by snapping
  90 slur_snap_max_slope_change = 0.5;
  91 slur_interstaff_snap_max_slope_change = 0.5;
  92
  93
  94
  95 tie_x_minimum = \staffspace + \slur_x_minimum;
  96 % OSU: tie gap == slur gap
  97 tie_x_gap = \slur_x_gap;
  98 tie_y_gap = 0.25 * \staffspace;
  99 % length of a tie that's a staffspace high
 100 tie_staffspace_length = 4.0 * \staffspace;
 101
 102
 103 %{
 104  Specifies the maximum height of slurs.
 105 %}
 106 slur_height_limit_factor = \staffheight;
 107
 108
 109 %{
 110 Specifes the ratio of slur hight to slur width
 111 to aim for.  Default value is 0.3.
 112 %}
 113
 114 % slur_ratio = 0.3;
 115 % try bit flatter slurs
 116 slur_ratio = 0.25;
 117 slur_clip_ratio = 1.2;
 118 slur_clip_height = 3.0 * \staffheight;
 119 slur_clip_angle = 100.0;
 120 slur_rc_factor = 2.4;
 121
 122 % vertical space between lines.
 123 line_kern = \staffspace;
 124
 125
 126 % chop off this much when next to pp / ff sign.
 127 crescendo_shorten = 4.0 * \staffspace;
 128 crescendo_thickness   = \stafflinethickness;
 129 crescendo_height = 0.666 * \staffspace;
 130
 131 % deprecated!
 132 postBreakPadding = 0.0;
 133
 134 % optical correction amount.
 135 stemSpacingCorrection = 0.5*\staffspace;
 136
 137
 138 %{
 139  relative strength of space following breakable columns (eg. prefatory matter)
 140  %}
 141 breakable_column_space_strength = 2.0;
 142
 143 % space after inline clefs and such get this much stretched
 144 decrease_nonmus_spacing_factor = 1.0 ;
 145
 146 %{
 147  space before musical columns (eg. taken by accidentals) get this much
 148  stretched when they follow a musical column, in absence of grace notes.
 149
 150  0.0 means no extra space (accidentals are ignored)
 151 %}
 152 musical_to_musical_left_spacing_factor = 0.4;
 153
 154 %{
 155  stretch space this much if there are grace notes before the column
 156 %}
 157 before_grace_spacing_factor = 1.2;
 158
 159 %{
 160 If columns do not have spacing information set, set it to this much
 161 %}
 162 loose_column_distance = 2.0 * \staffspace;
 163
 164 %{
 165 Relative cost of compressing (vs. stretching).  Increasing this
 166 will cause scores to be set looser
 167 .
 168 %}
 169
 170 compression_energy_factor = 0.6;
 171
 172 % if stem is on middle line, choose this direction.
 173 stem_default_neutral_direction = 1.0;
 174
 175 % Backward compatibility -- has no function;
 176 Gourlay = 0.0;
 177 Wordwrap =0.0;
 178
 179 \include "engraver.ly";
 180