X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=input%2Flsr%2Ftransposing-pitches-with-minimum-accidentals-smart-transpose.ly;h=44af17bbf7b9ef11e324d946d308893cfe73e249;hb=1423508c355989fa26a8cfe5985b0d6e1ab0a538;hp=0c165c0375887f91b238af7728da0ebe286e2a46;hpb=2a9df7ef5f2c4dffe8ef5cb1900ee04420714d1e;p=lilypond.git diff --git a/input/lsr/transposing-pitches-with-minimum-accidentals-smart-transpose.ly b/input/lsr/transposing-pitches-with-minimum-accidentals-smart-transpose.ly index 0c165c0375..44af17bbf7 100644 --- a/input/lsr/transposing-pitches-with-minimum-accidentals-smart-transpose.ly +++ b/input/lsr/transposing-pitches-with-minimum-accidentals-smart-transpose.ly @@ -1,7 +1,11 @@ -%% Do not edit this file; it is auto-generated from input/new +%% Do not edit this file; it is auto-generated from LSR http://lsr.dsi.unimi.it %% This file is in the public domain. -\version "2.11.53" +\version "2.13.1" + \header { + lsrtags = "pitches" + +%% Translation of GIT committish: 4866dfd58d5c3a8cab4c6c06d5c4fca8e05a3cd7 doctitlees = "Transportar música con el menor número de alteraciones" texidoces = " Este ejemplo utiliza código de Scheme para forzar las @@ -31,39 +35,69 @@ De esta forma se selecciona el mayor número de notas enarmónicas naturales. " - lsrtags = "pitches" - texidoc = "This example uses some Scheme code to enforce enharmonic -modifications for notes in order to have the minimum number of -accidentals. In this case, the following rules apply: + +%% Translation of GIT committish: e75f1604a1b866c853dee42dbffcb7800c706a5f + doctitlede = "Noten mit minimaler Anzahl an Versetzungszeichen transponieren." + texidocde = "Dieses Beispiel benutzt Scheme-Code, um enharmonische +Verwechslungen für Noten zu erzwingen, damit nur eine minimale Anzahl +an Versetzungszeichen ausgegeben wird. In diesem Fall gelten die +folgenden Regeln: @itemize @item -Double accidentals should be removed +Doppelte Versetzungszeichen sollen entfernt werden @item -B sharp -> C +His -> C @item -E sharp -> F +Eis -> F @item -C flat -> B +Ces -> B @item -F flat -> E +Fes -> E @end itemize -In this manner, the most natural enharmonic notes are chosen. +Auf diese Art werden am meisten natürliche Tonhöhen als enharmonische +Variante gewählt. +" + + + texidoc = " +This example uses some Scheme code to enforce enharmonic modifications +for notes in order to have the minimum number of accidentals. In this +case, the following rules apply: + +Double accidentals should be removed + + +B sharp -> C + + +E sharp -> F + + +C flat -> B + + +F flat -> E + + +In this manner, the most natural enharmonic notes are chosen. + " - doctitle = "Transposing music with minimum accidentals" + doctitle = "Transposing pitches with minimum accidentals (\"Smart\" transpose)" } % begin verbatim -#(define (naturalize-pitch p) - (let* ((o (ly:pitch-octave p)) - (a (* 4 (ly:pitch-alteration p))) - ; alteration, a, in quarter tone steps, for historical reasons - (n (ly:pitch-notename p))) +#(define (naturalize-pitch p) + (let ((o (ly:pitch-octave p)) + (a (* 4 (ly:pitch-alteration p))) + ;; alteration, a, in quarter tone steps, + ;; for historical reasons + (n (ly:pitch-notename p))) (cond ((and (> a 1) (or (eq? n 6) (eq? n 2))) (set! a (- a 2)) @@ -79,36 +113,36 @@ In this manner, the most natural enharmonic notes are chosen. (ly:make-pitch o n (/ a 4)))) #(define (naturalize music) - (let* ((es (ly:music-property music 'elements)) - (e (ly:music-property music 'element)) - (p (ly:music-property music 'pitch))) + (let ((es (ly:music-property music 'elements)) + (e (ly:music-property music 'element)) + (p (ly:music-property music 'pitch))) (if (pair? es) - (ly:music-set-property! + (ly:music-set-property! music 'elements (map (lambda (x) (naturalize x)) es))) (if (ly:music? e) - (ly:music-set-property! + (ly:music-set-property! music 'element (naturalize e))) (if (ly:pitch? p) - (begin - (set! p (naturalize-pitch p)) - (ly:music-set-property! music 'pitch p))) + (begin + (set! p (naturalize-pitch p)) + (ly:music-set-property! music 'pitch p))) music)) naturalizeMusic = #(define-music-function (parser location m) - (ly:music?) - (naturalize m)) + (ly:music?) + (naturalize m)) music = \relative c' { c4 d e g } \score { \new Staff { - \transpose c ais \music - \naturalizeMusic \transpose c ais \music - \transpose c deses \music - \naturalizeMusic \transpose c deses \music + \transpose c ais { \music } + \naturalizeMusic \transpose c ais { \music } + \transpose c deses { \music } + \naturalizeMusic \transpose c deses { \music } } \layout { } }