init/params.ly

   1 % params.ly
   2 % generic paper parameters
   3
   4 paperfile = \papersize + ".ly";
   5 % paperfile = "a4.ly";
   6 \include \paperfile;
   7 \include "paper.ly";
   8
   9 interline = \staffheight / 4.0;
  10
  11
  12 % thickness of stafflines
  13 staffline = \interline / 10.0;
  14
  15 beam_thickness = 0.52 * (\interline - \staffline);
  16 interbeam = (2.0 * \interline - \beam_thickness) / 2.0;
  17 interbeam4 = (3.0 * \interline - \beam_thickness) / 3.0;
  18
  19
  20 % stems and beams
  21 %
  22 % not used for beams
  23 stem_length = 3.5*\interline;
  24
  25 %
  26 % stems in unnatural (forced) direction should be shortened,
  27 % according to [Roush & Gourlay].  Their suggestion to knock off
  28 % a whole staffspace seems a bit drastical though?
  29 %
  30 forced_stem_shorten = 1.0 * \interline;
  31
  32 %
  33 % there are several ways to calculate the direction of a beam
  34 %
  35 % * MAJORITY : number count of up or down notes
  36 % * MEAN     : mean centre distance of all notes
  37 % * MEDIAN   : mean centre distance weighted per note
  38 %
  39 % enum Dir_algorithm { DOWN=-1, UP=1, MAJORITY=2, MEAN, MEDIAN };
  40 %
  41 beam_dir_algorithm = 2.0;
  42
  43 %
  44 %
  45 % some beam-stemlength settings...
  46 %
  47 %    beam_*1 : multiplicity < beam_multiple_break
  48 %    beam_*2 : multiplicity >= beam_multiple_break
  49 %
  50 beam_multiple_break = 3.0;
  51 beam_minimum_stem1 = 1.5 * \interline;
  52 beam_minimum_stem2 = 1.0 * \interline;
  53 beam_ideal_stem1 = 2.0 * \interline;
  54 beam_ideal_stem2 = 1.5 * \interline;
  55
  56 % beam_slope_damp_correct_factor = 2.0;
  57 beam_slope_damp_correct_factor = 0.0;
  58
  59 % OSU: suggested gap = ss / 5;
  60 slur_x_gap = \interline / 5.0;
  61 slur_x_minimum = 2.0 * \interline;
  62 slur_slope_damping = 0.5;
  63 tie_x_minimum = \slur_x_minimum;
  64 tie_x_gap = \slur_x_gap;
  65 tie_slope_damping = 0.3;
  66
  67 % ugh: rename to bow (in bezier.cc and fonts.doc too...)
  68 % slur_thickness = 1.8 * \staffline;
  69 slur_thickness = 1.4 * \staffline;
  70 slur_height_limit = \staffheight;
  71
  72 % mmm, try bit flatter slurs
  73 % slur_ratio = 1.0 / 3.0;
  74 slur_ratio = 0.3;
  75 slur_clip_ratio = 1.2;
  76 slur_clip_height = 3.0 * \staffheight;
  77 slur_clip_angle = 100.0;
  78 slur_rc_factor = 2.4;
  79
  80 % ugh
  81 notewidth = (\quartwidth + \wholewidth) / 2.0;
  82
  83 % ugh
  84 barsize = \staffheight;
  85 rulethickness = \staffline;
  86 stemthickness = \staffline;
  87
  88
  89 gourlay_energybound = 100000.;
  90 %{
  91 The following bounds the number of measures
  92 on a line.  Decreasing it greatly reduces computation time
  93 %}
  94 gourlay_maxmeasures = 10.;
  95 castingalgorithm = \Gourlay;
  96 \include "engraver.ly";
  97