Marc Hohl <m...@hohlart.de> writes:
> Am 23.11.2015 um 21:41 schrieb Malte Meyn:
>> Am 23.11.2015 um 10:46 schrieb Marc Hohl:
>>> As the file is a bit lengthy, I think of a way to just redefine
>>> \xNotes to change every note to its corresponding rest, instead of
>>> rewriting the whole file (or using sed or any other external script).
>>>
>>> Has anyone a scheme routine at hand that does exactly this job?
>
> Malte,
>
>> I wrote this but it doesn’t work well in relative mode:
>>
>> \version "2.19.30"
>>
>> notesToRests =
>> #(define-music-function (music) (ly:music?)
>> (music-map
>> (lambda (m)
>> (if (eq? (ly:music-property m 'name) 'NoteEvent)
>> (make-music 'RestEvent
>> 'duration (ly:music-property m 'duration))
>> m))
>> music))
>>
>> \relative {
>> c' d e f \notesToRests { g a b2 g8 c } f e c2
>> }
>
> Thanks or sharing! The drawbacks in relative mode are neglectable,
> I'll use absolute mode.
\version "2.19.30"
notesToRests =
#(define-music-function (music) (ly:music?)
(make-relative (music) music
(music-map
(lambda (m)
(if (eq? (ly:music-property m 'name) 'NoteEvent)
(make-music 'RestEvent
'duration (ly:music-property m 'duration))
m))
(ly:music-deep-copy music))))
\relative {
c' d e f \notesToRests { g a b2 g8 c } f e c2
}
--
David Kastrup
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