--- On Mon, 8/24/09, Trevor Daniels <t.dani...@treda.co.uk> wrote:
> From: Trevor Daniels <t.dani...@treda.co.uk> > Subject: Re: Scheme function for ossia > To: "Jonathan Wilkes" <jancs...@yahoo.com>, lilypond-user@gnu.org > Date: Monday, August 24, 2009, 10:42 AM > > Jonathan Wilkes wrote Monday, August 24, 2009 6:24 AM > > > > Would probably help if I showed the file :). I'm > guessing the problem > > is it's not allowed to use a variable inside of the > braces after the \with > > command, but I don't understand why. > > Correct. A \with clause may contain only > > a) property operations > > That's changing context or grob properties > > b) context definitions > > That's things like \consists, \accepts etc. > > This was one of my questions as a newbie > three years ago next week! The answer came > from Nicolaus Sceaux, see > http://lists.gnu.org/archive/html/lilypond-user/2006-08/msg00560.html Happy Anniversary! I neglected to use the search term "function" so I missed this. > > A music function has to return some music, > so you need to pass the ossia music to the > music function too, and include the \new Staff > as well, like this: > > ossia = #(define-music-function (parser location staffName > music) > (string? ly:music?) > #{ > \new Staff \with { > alignAboveContext = #$staffName > \remove "Time_signature_engraver" > fontSize = #-3 > \override StaffSymbol #'staff-space = > #(magstep -3) > \override StaffSymbol #'thickness = > #(magstep -3) > } > $music > #}) > > Trevor > That seems like an even shorter shortcut than what I was aiming for, thanks! One thing I don't understand is why the example in the scheme tutorial (tempoPadded under "Tweaking with Scheme") doesn't seem to return any music, but uses define-music-function. -Jonathan > > -Jonathan > > > > \version "2.12.2" > > > > ossia = #(define-music-function (parser location > staffName) > > (string?) > > #{ > > alignAboveContext = #$staffName > > \remove "Time_signature_engraver" > > fontSize = #-3 > > \override StaffSymbol #'staff-space = #(magstep -3) > > \override StaffSymbol #'thickness = #(magstep -3) > > #}) > > > > myMelody = \new Staff = main { > > \relative c' { > > c8 d e f g a b c | > > << > > { > > d1 > > } > > { > > \new Staff \with { \ossia #'main } { > > \relative c' { > > \clef bass > > c4 d e f > > } > > } > > } > > >> > > } > > } > > > > \score { > > \myMelody > > \layout { > > } > > } > > > > > > > > > > > > _______________________________________________ > > lilypond-user mailing list > > lilypond-user@gnu.org > > http://lists.gnu.org/mailman/listinfo/lilypond-user > > > > _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-user
