From 5cc5be11a40f124fb344018951e356dcfcb10898 Mon Sep 17 00:00:00 2001 From: fred Date: Wed, 27 Mar 2002 01:15:22 +0000 Subject: [PATCH] lilypond-1.3.143 --- Documentation/user/tricks.itely | 267 -------------------------------- 1 file changed, 267 deletions(-) delete mode 100644 Documentation/user/tricks.itely diff --git a/Documentation/user/tricks.itely b/Documentation/user/tricks.itely deleted file mode 100644 index 6dd0de0430..0000000000 --- a/Documentation/user/tricks.itely +++ /dev/null @@ -1,267 +0,0 @@ -@c -*-texinfo-*- -@c Note: -@c -@c A menu is needed before every deeper *section nesting of @nodes -@c Run M-x texinfo-all-menus-update -@c to automagically fill in these menus -@c before saving changes - -@ignore - -TODO - * cue notes - * different staff sizes - * font selection - - * move some stuff to refman - * merge some stuff with refman entries - - * add @ref{}s to lilypond-internals: - @rgrob{Name} to grob - @reng{Name} to engraver - - there's a very simple, very general noXXX mechanism; try - -noop \property Staff.VoltaBrace = #'() -yes: \property Staff.VoltaBracket = #'((meta . ((interfaces . ())))) - - - visibility? - brew_molecule? -@end ignore - - -@node Tricks -@chapter Tricks - -@menu -* Manual beam settings:: Manual beam settings -* Engraver hacking:: Engraver hacking -* Markup text:: Markup text -* Apply hacking:: Apply hacking -* Embedded TeX:: Embedded TeX -* Embedded PostScript:: Embedded PostScript -@end menu - - -@node Manual beam settings -@section Manual beam settings -@cindex beams -@cindex beam settings -@cindex manual beams - - -@c auto knees - - -@cindex @code{no-stem-extend} - -Conventionally, stems and beams extend to the middle staff line. This -extension can be controlled through @code{Voice.Stem}'s grob-property -@code{no-stem-extend}: - -@quotation -@lilypond[fragment,relative,verbatim] - \grace a'8 a4 - \property Voice.Stem \set #'no-stem-extend = ##t - \grace g8 g4 [g8 g] -@end lilypond -@end quotation - -The direction of a perfectly centred beams can be -controlled through @code{Voice.Beam}'s grob-property -@code{default-neutral-direction} - -@quotation -@lilypond[fragment,relative,verbatim] - [b''8 b] - \property Voice.Beam \set #'default-neutral-direction = #-1 - [b b] -@end lilypond -@end quotation - -There are several ways to calculate the direction of a beam. -@table @code -@item majority -number count of up or down notes -@item mean -mean center distance of all notes -@item median -mean centre distance weighted per note -@end table - -You can spot the differences of these settings from these simple -examples: - -@quotation -@lilypond[fragment,relative,verbatim] - [d''8 a] - \property Voice.Beam \set #'dir-function = #beam-dir-mean - [d a] - \property Voice.Beam \set #'dir-function = #beam-dir-median - [d a] -@end lilypond -@end quotation - -@quotation -@lilypond[fragment,relative,verbatim] - \time 3/8; - [d''8 a a] - \property Voice.Beam \set #'dir-function = #beam-dir-mean - [d a a] - \property Voice.Beam \set #'dir-function = #beam-dir-median - [d a a] -@end lilypond -@end quotation - -These beam direction functions are defined in @file{scm/beam.scm}. If -your favourite algorithm isn't one of these, you can hook up your own. - - - -@node Engraver hacking -@section Engraver hacking - -No time signature, no barlines... -@lilypond[verbatim] -\score { - \notes \relative c'' { - a b c d - d c b a - } - \paper { - linewidth = -1.; - \translator { - \StaffContext - whichBar = #"" - \remove "Time_signature_engraver"; - } - } -} -@end lilypond - -No staff, no clef, squash pitches -@lilypond[verbatim] -\score { - \notes { c4 c4 c8 c8 } - \paper { - linewidth = -1.; - \translator { - \StaffContext - \remove Staff_symbol_engraver; - \consists Pitch_squash_engraver; - \remove Clef_engraver; - } - } -} -@end lilypond - - - -@node Markup text -@section Markup text - - -@ignore - - -#(define text-flat '((font-relative-size . -2 ) (music "accidentals--1"))) - - \property VoiceCombineStaff.instrument = #`((kern . 0.5) (lines - "2 Clarinetti" (rows " (B" ,text-flat ")"))) - - % Ugh, markup burps - \property StaffCombineStaff.instrument = #'((kern . 0.5) - (lines "Violoncello" (rows " e") (rows "Contrabasso"))) - - -@end ignore - - - -Metrome hack... - -[todo: hack this into C++, use \tempo] - -@lilypond[verbatim] -#(define note '(rows (music "noteheads-2" ((kern . -0.1) "flags-stem")))) -#(define eight-note `(rows ,note ((kern . -0.1) (music ((raise . 3.5) "flags-u3"))))) -#(define dotted-eight-note `(rows ,eight-note (music "dots-dot"))) - -\score { - \notes\relative c'' { - a1^#`((rows (font-relative-size . -1)) ,dotted-eight-note " = 64") - } - \paper { - linewidth = -1.; - \translator{ - \ScoreContext - TextScript \override #'font-shape = #'upright - } - } -} -@end lilypond - - -@c equalizer - - -@node Apply hacking -@section Apply hacking - -[Add Parenthesed note head example?] - -[Add Smart transpose example?] - - -@lilypond[verbatim] -music = \notes { c'4 d'4( e'4 f'4 } - -#(define (reverse-music music) - (let* ((elements (ly-get-mus-property music 'elements)) - (reversed (reverse elements)) - (span-dir (ly-get-mus-property music 'span-direction))) - - (ly-set-mus-property music 'elements reversed) - - (if (dir? span-dir) - (ly-set-mus-property music 'span-direction (- span-dir))) - - (map reverse-music reversed) - - music)) - -\score { - \context Voice { - \music - \apply #reverse-music \music - } - \paper { linewidth = -1.; } -} -@end lilypond - -@node Embedded TeX -@section Embedded TeX -@lilypond[fragment,relative,verbatim] - a''^"3 $\\times$ \\`a deux" -@end lilypond - -@node Embedded PostScript -@section Embedded PostScript - -Arbitrary lines and curves not supported... - -[TODO:] Make a direct postscript command? - -@lilypond[verbatim] -\score { - \notes \relative c'' { - a-#"\\embeddedps{3 4 moveto 5 3 rlineto stroke}" - -#"\\embeddedps{ [ 0 1 ] 0 setdash 3 5 moveto 5 -3 rlineto stroke}" - b-#"\\embeddedps{3 4 moveto 0 0 1 2 8 4 20 3.5 rcurveto stroke}" - s2 - a'1 - } - \paper { linewidth = 70 * \staffspace; } -} -@end lilypond -- 2.39.5