% params.ly
% generic paper parameters
+#'staff-height = \staffheight;
+
paperfile = \papersize + ".ly";
% paperfile = "a4.ly";
\include \paperfile;
\include "paper.ly";
-interline = \staffheight / 4.0;
-
-
-% thickness of stafflines
-staffline = \interline / 10.0;
-
-beam_thickness = 0.52 * (\interline - \staffline);
-interbeam = (2.0 * \interline - \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_length0 = 3.5*\interline;
-stem_length1 = 2.5 * \interline;
-stem_length2 = 2.0 * \interline;
-stem_length3 = 1.5 * \interline;
-
-% only used for beams
-minimum_stem_length0 = 0.0; % not used
-minimum_stem_length1 = 1.5 * \interline;
-minimum_stem_length2 = 1.25 * \interline;
-minimum_stem_length3 = 1.0 * \interline;
-
-% 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 = 0.5 * \interline;
-forced_stem_shorten1 = \forced_stem_shorten0;
-forced_stem_shorten2 = \forced_stem_shorten1;
-forced_stem_shorten3 = \forced_stem_shorten2;
-
-% there are several ways to calculate the direction of a beam
-%
-% * MAJORITY : number count of up or down notes
-% * MEAN : mean centre distance of all notes
-% * MEDIAN : mean centre distance weighted per note
-%
-% enum Dir_algorithm { DOWN=-1, UP=1, MAJORITY=2, MEAN, MEDIAN };
-%
-DOWN = -1.0;
-UP = 1.0;
-MAJORITY = 2.0;
-MEAN = 3.0;
-MEDIAN = 4.0;
-% [Ross]: majority
-beam_dir_algorithm = \MAJORITY;
+staffspace = \staffheight / 4.0;
+stafflinethickness = \staffspace / 10.0;
+
+% deprecated
+interline = \staffspace;
+
+
+% urg, need grace_ versions of these too?
+beam_thickness = 0.52 * (\staffspace - \stafflinethickness);
+
+#'beam-thickness = \beam_thickness; %% UGR
+
+
+interbeam = (2.0 * \staffspace + \stafflinethickness - \beam_thickness) / 2.0;
+interbeam4 = (3.0 * \staffspace - \beam_thickness) / 3.0;
+
+%{
+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 ;
+
+
+#'Stem_tremolo::beam-width = 1.5 * \quartwidth ;
+
+#'Clef_item::visibility-lambda = #begin-of-line-visible
+#'Key_item::visibility-lambda = #begin-of-line-visible
+#'Breathing_sign::visibility-lambda = #begin-of-line-invisible
% catch suspect beam slopes, set slope to zero if
% outer stem is lengthened more than
-beam_lengthened = 0.2 * \interline;
+beam_lengthened = 0.2 * \staffspace;
% and slope is running away steeper than
beam_steep_slope = 0.2 / 1.0;
+
+
+%{
+ Slur parameters.
+
+ See Documentation/programmer/fonts.doc
+%}
+% Height-limit (h_inf) = factor * staff_space
+slur_height_limit_factor = 2.0;
+slur_ratio = 1.0 / 3.0;
+
+slur_thickness = 1.2 * \stafflinethickness;
+
+
+%{
+Horizontal space between centre of notehead and slur.
+%}
% OSU: suggested gap = ss / 5;
-slur_x_gap = \interline / 5.0;
-slur_x_minimum = 3.0 * \interline;
+slur_x_gap = \staffspace / 5.0;
+slur_y_gap = 0.25 * \staffspace;
+slur_y_free = 0.75 * \staffspace;
+slur_x_minimum = 1.5 * \staffspace;
-% 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;
+bezier_asymmetry = 1.0;
+bezier_beautiful = 2.0;
-tie_x_minimum = \slur_x_minimum;
-tie_x_gap = \slur_x_gap;
-tie_slope_damping = 0.8;
+% The constants that define the valid areas for the middle control points
+% Used in de_uglyfy. Bit empirical.
+bezier_control1 = 1.5;
+bezier_control2 = 0.8;
+bezier_control3 = -2.0;
-% ugh: rename to bow (in bezier.cc and fonts.doc too...)
-% slur_thickness = 1.8 * \staffline;
-slur_thickness = 1.4 * \staffline;
-slur_height_limit = \staffheight;
+% URG: the magic constants for area asymmetry
+bezier_pct_c0 = -0.2;
+bezier_pct_c3 = 0.000006;
+bezier_pct_out_max = 0.8;
+bezier_pct_in_max = 1.2;
+bezier_area_steps = 1.0;
-% slur_ratio = 0.3;
-% try bit flatter slurs
-slur_ratio = 0.25;
-slur_clip_ratio = 1.2;
-slur_clip_height = 3.0 * \staffheight;
-slur_clip_angle = 100.0;
-slur_rc_factor = 2.4;
+slur_force_blowfit = 0.5;
+slur_beautiful = 0.5;
-% ugh
-notewidth = (\quartwidth + \wholewidth) / 2.0;
-% ugh
-barsize = \staffheight;
-rulethickness = \staffline;
+%{
+ Tie parameters
+%}
+
+tie_height_limit_factor = \slur_height_limit_factor;
+tie_ratio = \slur_ratio;
+tie_thickness = \slur_thickness;
+
+tie_x_minimum = \staffspace + \slur_x_minimum;
+% OSU: tie gap == slur gap
+tie_x_gap = \slur_x_gap;
+tie_y_gap = 0.25 * \staffspace;
+% length of a tie that's a staffspace high
+tie_staffspace_length = 4.0 * \staffspace;
-% stem should be thinner?
-stemthickness = \staffline;
+tie_staffline_clearance = 2.0 *\tie_thickness;
+
+
+% ugh
+notewidth = (\quartwidth + \wholewidth) / 2.0;
+
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
-bar_kern = 0.5 * \interline;
-bar_thinkern = 0.75 * \interline;
-barthick_thick = 0.5* \interline;
-barthick_score = 0.13333* \interline;
-barthick_thin = 0.1*\interline;
-Can't be, these are ugly! Changed to old (TeX) values.
+%{ Ross. page 151 lists these values, but we think that thick lines
+and kernings are too thick.
-% barline should be thicker!
+bar_kern = 0.5 * \staffspace;
+bar_thinkern = 0.75 * \staffspace;
+barthick_thick = 0.5* \staffspace;
+barthick_score = 0.13333* \staffspace;
+barthick_thin = 0.1*\staffspace;
%}
-bar_kern = 3.0 * \staffline;
-bar_thinkern = 3.0 * \staffline;
-barthick_thick = 6.0* \staffline;
-barthick_thin = 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;
+
+bracket_arch_thick = \staffspace / 3.0;
+bracket_width = 2.0 * \staffspace;
+bracket_thick = 2.0 * \stafflinethickness;
+bracket_arch_height = 1.5 * \staffspace;
+bracket_arch_width = \bracket_arch_height;
+bracket_arch_angle = 50.0;
+
+tuplet_spanner_gap = 2.0 * \staffspace;
+tuplet_thick = 1.0*\stafflinethickness;
+volta_thick = 1.6*\stafflinethickness;
+volta_spanner_height = 2.0 *\staffspace;
+
+% relative thickness of thin lines 1.6 : 1 : 0.8
+stemthickness = 0.8*\stafflinethickness;
+rulethickness = \stafflinethickness;
-tuplet_thick = 1.0*\staffline;
-volta_thick = 1.6*\staffline;
-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;
+multi_measure_rest_x_minimum = 2.5*\staffheight;
+multi_measure_rest_padding = 2.0 *\staffspace;
+multi_measure_rest_expand_limit = 10.0;
+
+% chop off this much when next to pp / ff sign.
+crescendo_shorten = 4.0 * \staffspace;
+crescendo_thickness = \stafflinethickness;
+crescendo_height = 0.666 * \staffspace;
+crescendo_dash_thickness = 1.2*\stafflinethickness;
+crescendo_dash = 4.0*\staffspace;
+
+% 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*\staffspace;
+
+
+%{
+ 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 * \staffspace;
+
+%{
+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 staffspace
+articulation_script_padding_default = 1.0;
+
+% Backward compatibility -- has no function;
+Gourlay = 0.0;
+Wordwrap =0.0;
\include "engraver.ly";
+#'margin-shape = #'()
+
+
+%
+#'Local_key_item::left-padding = #'0.2
+#'Local_key_item::right-padding = #'0.4
+
+#'Staff_symbol::staff-space = \staffspace ;
+#'Staff_symbol::line-count = #5
+