Totally makes sense. Thanks for the help! Charles
> On Jun 1, 2017, at 11:29 AM, Jan-Peter Voigt <jp.vo...@gmx.de> wrote: > > Hi Charles, > > the make-note-ev function is hidden inside a closure and therefore not > publicly visible. It depends on the duration defined in that closure. To > create NoteEvents you should create them like this: > > (make-music 'NoteEvent 'pitch root 'duration some-duration) > > where 'some-duration' is defined with a duration: (ly:make-duration 2) for a > quarter note. > > The begin-define-sequence implies using 'let': > > #(let ((root (ly:make-pitch 0 0 0)) > (dur (ly:make-duration 2))) > (display (make-music 'NoteEvent 'pitch root 'duration dur))) > > If there is a duration reachable in the scope you are acting, then you can > use that one like you found in the mentioned file and probably copy the > definition of make-note-ev. > > HTH > Jan-Peter > > Am 01.06.2017 um 17:03 schrieb Charles Winston: >> Hi, >> I’m fooling around with using Scheme in lilypond files, making some way on >> my GSoC chords project. I’m trying to call the make-note-ev procedure found >> in scm/chord-entry.scm on line 196. I’ve written something simple: >> #(begin >> (define root (ly:make-pitch 0 0 0)) >> (display (make-note-ev root)) >> ) >> And I get an error saying that make-note-ev is an unbound variable. I >> thought that we could call Scheme procedures from the source in lilypond >> files. What am I missing here? >> Thanks, >> Charles >> _______________________________________________ >> lilypond-devel mailing list >> lilypond-devel@gnu.org >> https://lists.gnu.org/mailman/listinfo/lilypond-devel > > > _______________________________________________ > lilypond-devel mailing list > lilypond-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/lilypond-devel _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel
