Hi Hans, On Sun, Oct 12, 2014 at 4:38 AM, Hans Sommer <hansisom...@gmx.de> wrote:
> Hello, > > I am relatively new to Lilypond. > I try to check the total length of a SequentialMusic part, i.e. > > > my_score_part = { c'4 d e f } > > I want to get the result 4 quarters (or any other numerical representation) > > and for > > my_score_part2 = { c'4 d e f g8} > (This isn't a valid name for a variable, so I changed it below.) > > should deliver 4 quarter and 1 eighth. > > I found in the documentation the property: > > length-callback (procedure): > > ly:music-sequence::cumulative-length-callback > > > but I don't know how to use it. > > I would be very thankful, if anybody could provide an example. > > I'm not familiar with this property, but it's relatively easy to determine the length of a music expression. Try this: \version "2.19.10" my_score_part = { c'4 d e f } my_score_part_two = { c'4 d e f g8 } #(display (ly:music-length my_score_part)) #(display (ly:music-length my_score_part_two)) Hope this is helpful, David
_______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user