At 20:08 on 13 Mar 2015, Marc Hohl wrote:
>Am 13.03.2015 um 19:32 schrieb Mark Knoop:
>> Hi,
>>
>> I'm trying to make a function to add a glissando to the last note of
>> a music expression. I've got to a version which works with simple
>> music expressions. However, I need to use it with transposed and
>> relative music where the actual notes may be nested within other
>> lists.
>>
>> How do I recurse into the music to find the SequentialMusic elements?
>>
>> \version "2.18.2"
>>
>> addGliss = #(define-music-function (parser location music)
>> (ly:music?) "Add a GlissandoEvent to the last element of music"
>>(let* ((gliss-note (last (ly:music-property music 'elements
>> (set! (ly:music-property gliss-note 'articulations)
>> (cons (make-music 'GlissandoEvent)
>>(ly:music-property gliss-note 'articulations)))
>>music))
>>
>> mynotes = { c' d' e' }
>>
>> {
>>% works with above function
>>\addGliss { c' d' e' } c'
>>\addGliss \mynotes c'
>>% doesn't work with more complex music
>>%\addGliss \relative c' { c d e } c
>>%\addGliss \transpose c e \relative c' { c d e } c
>> }
>
>... but it works with
>
>\relative c' { \addGliss { c d e } c }
>\transpose c e \relative c' { \addGliss { c d e } c }
Yes, it does, but unfortunately that's no help in this situation. (The
phrases come from other sections of relative/transposed music filtered
through the extractMusic function. If it were that simple, I would just
type "\glissando"!)
Thanks,
Mark
--
Mark Knoop
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