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smart transpose snippet from the LSR is not working with 2.11.43
From: |
Ole Schmidt |
Subject: |
smart transpose snippet from the LSR is not working with 2.11.43 |
Date: |
Fri, 23 May 2008 13:13:24 +0200 |
I attach the snippet below, it is not working under 2.11.43
if someone can confirm it or take a look in the code,
thanks ole
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
#(define (naturalise-pitch p)
(let* ((o (ly:pitch-octave p))
(a (ly:pitch-alteration p))
(n (ly:pitch-notename p)))
(cond
((and (> a 1) (or (eq? n 6) (eq? n 2)))
(set! a (- a 2))
(set! n (+ n 1)))
((and (< a -1) (or (eq? n 0) (eq? n 3)))
(set! a (+ a 2))
(set! n (- n 1))))
(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))))
(ly:make-pitch o n a)))
#(define (naturalise music)
(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!
music 'elements
(map (lambda (x) (naturalise x)) es)))
(if (ly:music? e)
(ly:music-set-property!
music 'element
(naturalise e)))
(if (ly:pitch? p)
(begin
(set! p (naturalise-pitch p))
(ly:music-set-property! music 'pitch p)))
music))
music = \relative c' { c4 d e f g a b c }
naturaliseMusic =
#(define-music-function (parser location m)
(ly:music?)
(naturalise m))
\score {
\context Staff {
\transpose c ais \music
\naturaliseMusic \transpose c ais \music
\transpose c deses \music
\naturaliseMusic \transpose c deses \music
}
\layout { ragged-right = ##t}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
- smart transpose snippet from the LSR is not working with 2.11.43,
Ole Schmidt <=