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Am Freitag, 17. April 2009 schrieb Frédéric Bron:
> > Attached is a sample file to show how the definition of spanners could
> > work with my patch. I've also implemented two functions to give the text
> > of the spanner directly in the postfix call.
>
> When I look at your dynamic_spanners_postfix.pdf file, it seems to me
> that on the second line (with the functions that take the text as an
> argument), the cresc starts on the following note, not on the previous
> note. Am I wrong?
Hmm, no you are right. It seems that when using a music-function, the scheme
expression is:
(make-music 'SequentialMusic
'elements
(list (make-music 'EventChord
'elements
(list (make-music 'NoteEvent
'duration (ly:make-duration 2 0 1 1)
'pitch (ly:make-pitch 0 0 0))))
(make-music 'CrescendoEvent
'crescendoText "blah.."
'crescendoSpanner 'text
'span-direction -1)))
i.e. the CrescendoEvent is outside the EventChord, while with a simple
definition like crxxx=#(make-music 'CrescendoEvent ...), it is inside the
EventChord:
(make-music 'SequentialMusic
'elements
(list (make-music 'EventChord
'elements
(list (make-music 'NoteEvent
'duration (ly:make-duration 2 0 1 1)
'pitch (ly:make-pitch 0 0 0))
(make-music 'CrescendoEvent
'crescendoText "cresc."
'crescendoSpanner 'text
'span-direction -1)))
Does anyone have an idea how to create a function so that the return value is
inserted into the note event?
Cheers,
Reinhold
- --
- ------------------------------------------------------------------
Reinhold Kainhofer, [email protected], http://reinhold.kainhofer.com/
* Financial & Actuarial Math., Vienna Univ. of Technology, Austria
* http://www.fam.tuwien.ac.at/, DVR: 0005886
* LilyPond, Music typesetting, http://www.lilypond.org
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