%% Do not edit this file; it is auto-generated from input/new
%% This file is in the public domain.
-\version "2.11.38"
+\version "2.13.0"
\header {
+doctitlees = "Transportar música con el menor número de alteraciones"
+texidoces = "
+Este ejemplo utiliza código de Scheme para forzar las
+modificaciones enarmónicas de las notas, y así tener el menor
+número de alteraciones accidentales. En este caso se aplican las
+siguientes reglas:
+
+@itemize
+@item
+Se quitan las dobles alteraciones
+
+@item
+Si sostenido -> Do
+
+@item
+Mi sistenido -> Fa
+
+@item
+Do bemol -> Si
+
+@item
+Fa bemol -> Mi
+
+@end itemize
+
+De esta forma se selecciona el mayor número de notas enarmónicas
+naturales.
+
+"
+
+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
+Doppelte Versetzungszeichen sollen entfernt werden
+
+@item
+His -> C
+
+@item
+Eis -> F
+
+@item
+Ces -> B
+
+@item
+Fes -> E
+
+@end itemize
+
+Auf diese Art werden am meisten natürliche Tonhöhen als enharmonische
+Variante gewählt.
+"
+
+
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:
+ 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:
@itemize
@item
doctitle = "Transposing music with minimum accidentals"
} % 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
+ (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)))
(cond
((> a 2) (set! a (- a 4)) (set! n (+ n 1)))
((< a -2) (set! a (+ a 4)) (set! n (- n 1))))
- (if (< n 0) (begin (set! o (- o 1)) (set! n (+ n 7))))
- (if (> n 6) (begin (set! o (+ o 1)) (set! n (- n 7))))
+ (if (< n 0) (begin (set! o (- o 1)) (set! n (+ n 7))))
+ (if (> n 6) (begin (set! o (+ o 1)) (set! n (- n 7))))
(ly:make-pitch o n (/ a 4))))
#(define (naturalize music)
(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 }
+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 { ragged-right = ##t }
+ \layout { }
}