%% Do not edit this file; it is auto-generated from input/new
%% This file is in the public domain.
-\version "2.11.52"
+\version "2.13.0"
\header {
doctitlees = "Transportar música con el menor número de alteraciones"
texidoces = "
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
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
+ ; 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)))
(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 { }
}