interline = \staffheight / 4.0;
-% thickness of stafflines
-staffline = \interline / 10.0;
+stafflinethickness = \interline / 10.0;
% urg, need grace_ versions of these too?
-beam_thickness = 0.52 * (\interline - \staffline);
-interbeam = (2.0 * \interline + \staffline - \beam_thickness) / 2.0;
+beam_thickness = 0.52 * (\interline - \stafflinethickness);
+interbeam = (2.0 * \interline + \stafflinethickness - \beam_thickness) / 2.0;
interbeam4 = (3.0 * \interline - \beam_thickness) / 3.0;
% stems and beams
% poor man's array size
stem_max = 3.0;
-% stem stuff measured in staff positions.
+%{ Specify length of stems for notes in the staff
+that don't have beams.
+ Measured in staff positions.
+%}
stem_length0 = 7.;
stem_length1 = 5.;
stem_length2 = 4.;
stem_length3 = 3.;
+%{
+The space taken by a note is determined by the formula
+
+arithmetic_multiplier * ( c + log2 (time) ))
+
+where code(time) is the amount of time a note occupies. The value
+of code(c) is chosen such that the smallest space within a measure is
+arithmetic_basicspace. The smallest space is the one following the
+shortest note in the measure. Typically arithmetic_basicspace is set
+to the width of a quarter note head.
+%}
+arithmetic_basicspace = 2.;
+arithmetic_multiplier = 0.9 * \quartwidth ;
+
+
+
% urg.
% if only these ugly arrays were scm,
% we could override them in the Grace context
grace_minimum_stem_length2 = \minimum_stem_length2 * \grace_factor;
grace_minimum_stem_length3 = \minimum_stem_length3 * \grace_factor;
-% stems in unnatural (forced) direction should be shortened,
-% according to [Roush & Gourlay]. Their suggestion to knock off
-% a whole staffspace seems a bit drastical: we'll do half.
-%
+%{
+ stems in unnatural (forced) direction should be shortened,
+ according to [Roush & Gourlay]. Their suggestion to knock off
+ a whole staffspace seems a bit drastical: we'll do half.
+%}
+
forced_stem_shorten0 = 1.0;
forced_stem_shorten1 = \forced_stem_shorten0;
forced_stem_shorten2 = \forced_stem_shorten1;
MAJORITY = 2.0;
MEAN = 3.0;
MEDIAN = 4.0;
+
+#'beam_dir_algorithm = #'majority
+#'slope_quantisation = #'normal
+
+
+%{
+dit(code(beam_dir_algorithm)) Specify algorithm for determining
+whether beams go up or down. It is real valued. If set to 2.0 then
+majority selection is used. If set to 3.0, then mean selection is
+used based on the mean center distance. If set to 4.0 then median
+selection is used, based on the median center distance.
+%}
+
% [Ross]: majority
beam_dir_algorithm = \MAJORITY;
% and slope is running away steeper than
beam_steep_slope = 0.2 / 1.0;
+%{
+dit(code(slur_x_gap)) Horizontal space between note and slur. Set to
+code(\interline / 5) by default.
+
+%}
% OSU: suggested gap = ss / 5;
slur_x_gap = \interline / 5.0;
-slur_x_minimum = 3.0 * \interline;
+slur_y_gap = 0.25 * \interline;
+slur_y_free = 0.75 * \interline;
+slur_x_minimum = 1.5 * \interline;
+%{
+Like beams, slurs often aren't as steep as the notes they encompass.
+This sets the amount of damping.
+%}
% slope damping: keep dy/dx < slur_slope_damping
-slur_slope_damping = 0.6;
-
-% dy_slur := dy_music * factor
-slur_slope_follow_music_factor = 0.8;
-
-tie_x_minimum = \slur_x_minimum;
+slur_slope_damping = 0.3;
+slur_interstaff_slope_damping = 0.6;
+% height damping: keep h/dx < slur_height_damping
+slur_height_damping = 0.4;
+slur_interstaff_height_damping = 0.5;
+% snap to stem if slur ends closer to stem than
+slur_snap_to_stem = 1.75 * \interline;
+slur_interstaff_snap_to_stem = 2.5 * \interline;
+% maximum dy change allowed by snapping
+slur_snap_max_slope_change = 0.5;
+slur_interstaff_snap_max_slope_change = 0.5;
+
+
+
+tie_x_minimum = \interline + \slur_x_minimum;
+% OSU: tie gap == slur gap
tie_x_gap = \slur_x_gap;
-tie_slope_damping = 0.8;
+tie_y_gap = 0.25 * \interline;
+% length of a tie that's a staffspace high
+tie_staffspace_length = 4.0 * \interline;
% ugh: rename to bow (in bezier.cc and fonts.doc too...)
-% slur_thickness = 1.8 * \staffline;
-slur_thickness = 1.4 * \staffline;
+% slur_thickness = 1.8 * \stafflinethickness;
+slur_thickness = 1.4 * \stafflinethickness;
+
+%{
+ Specifies the maximum height of slurs.
+%}
slur_height_limit = \staffheight;
+
+%{
+Specifes the ratio of slur hight to slur width
+to aim for. Default value is 0.3.
+%}
+
% slur_ratio = 0.3;
% try bit flatter slurs
slur_ratio = 0.25;
% ugh
notewidth = (\quartwidth + \wholewidth) / 2.0;
-% ugh
-barsize = \staffheight;
-rulethickness = \staffline;
-
gourlay_energybound = 100000.;
%{
-The following bounds the number of measures
-on a line. Decreasing it greatly reduces computation time
+Maximum number of measures per line to try when using Gourlay
+method.
%}
gourlay_maxmeasures = 10.;
-castingalgorithm = \Gourlay;
+
%{ Ross. page 151 lists these values, but we think that thick lines
and kernings are too thick.
%}
-bar_kern = 3.0 * \staffline;
-bar_thinkern = 3.0 * \staffline;
-barthick_thick = 6.0* \staffline;
-barthick_thin = 1.6*\staffline;
-barthick_score = 1.6*\staffline;
+bar_kern = 3.0 * \stafflinethickness;
+bar_thinkern = 3.0 * \stafflinethickness;
+barthick_thick = 6.0* \stafflinethickness;
+barthick_thin = 1.6*\stafflinethickness;
+barthick_score = 1.6*\stafflinethickness;
-tuplet_thick = 1.0*\staffline;
-volta_thick = 1.6*\staffline;
+tuplet_spanner_gap = 2.0 * \interline;
+tuplet_thick = 1.0*\stafflinethickness;
+volta_thick = 1.6*\stafflinethickness;
+volta_spanner_height = 2.0 *\interline;
% relative thickness of thin lines 1.6 : 1 : 0.8
-stemthickness = 0.8*\staffline;
-rulethickness = \staffline;
+stemthickness = 0.8*\stafflinethickness;
+rulethickness = \stafflinethickness;
-extender_height = 0.8*\staffline;
+extender_height = 0.8*\stafflinethickness;
hyphen_thickness = 0.05*\font_normal;
hyphen_height = 0.2*\font_normal;
hyphen_minimum_length = 0.25*\font_normal;
% Multi-measure rests
-mmrest_x_minimum = 2.0*\staffheight;
+mmrest_x_minimum = 1.4*\staffheight;
% chop off this much when next to pp / ff sign.
crescendo_shorten = 4.0 * \interline;
+crescendo_thickness = \stafflinethickness;
+crescendo_height = 0.666 * \interline;
% in internote.
restcollision_minimum_dist = 3.0;
restcollision_minimum_beamdist = 1.5;
+
+% unit for note collision resolving
+collision_note_width = \notewidth; %ugh.
+
% deprecated!
postBreakPadding = 0.0;
+% optical correction amount.
stemSpacingCorrection = 0.5*\interline;
+
+%{
+ relative strength of space following breakable columns (eg. prefatory matter)
+ %}
+breakable_column_space_strength = 2.0;
+
+% space after inline clefs and such get this much stretched
+decrease_nonmus_spacing_factor = 1.0 ;
+
+%{
+ space before musical columns (eg. taken by accidentals) get this much
+ stretched when they follow a musical column, in absence of grace notes.
+
+ 0.0 means no extra space (accidentals are ignored)
+%}
+musical_to_musical_left_spacing_factor = 0.4;
+
+%{
+ stretch space this much if there are grace notes before the column
+%}
+before_grace_spacing_factor = 1.2;
+
+%{
+If columns do not have spacing information set, set it to this much
+%}
+loose_column_distance = 2.0 * \interline;
+
+%{
+Relative cost of compressing (vs. stretching). Increasing this
+will cause scores to be set looser
+.
+%}
+
+compression_energy_factor = 0.6;
+
+% if stem is on middle line, choose this direction.
+stem_default_neutral_direction = 1.0;
+
+% in interline
+articulation_script_padding_default = 1.0;
+
+% Backward compatibility -- has no function;
+Gourlay = 0.0;
+Wordwrap =0.0;
+
\include "engraver.ly";
projects / lilypond.git / blobdiff