If you use the manuals for more recent versions - 2.16 or 2.17 - instead of one that is well out of date, you'll find this section has been rewritten to avoid exactly these difficulties.
http://www.lilypond.org/doc/v2.16/Documentation/notation/beams#setting-automatic-beam-behavior Let us know if you still have difficulty understanding this. Trevor ----- Original Message ----- From: "Karl Hammar" <k...@aspodata.se> To: <lilypond-user@gnu.org> Sent: Friday, April 19, 2013 11:14 AM Subject: [Spam??] beatStructure for 4/4 doesn't help > For the questions I ask, see last in mail. > > I'm trying to set the automatic beams in \time 4/4 like > a8[ a] a[ a] ..., so I'm looking at the example in > Documentation/out-www/notation.pdf (it says for version 2.15.15 on > page 1), on the bottom of page 74 to the top of page 75, section > "Setting automatic beam behavior" under "1.2.4 Beams". I added one > 8'th to see what it does (voice two is of no interest in this case): > > \new Staff { > \time 7/8 > \set Staff.beatStructure = #'(2 3 2) > % \time 4/4 > % \set Staff.beatStructure = #'(1 1 1 1) > << > \new Voice = one { > \relative c'' { > a8 a a a a a a > % a > } > } > %{ > \new Voice = two { > \relative c' { > \voiceTwo > \set Voice.beatStructure = #'(1 3 3) > f8 f f f f f f > } > } > %} > >> > } > > In 7/8 it works as advertized, but when changing into 4/4 I get > no change from the default. > > The first sentence of the section "Setting automatic beam behavior" > says: > > [1] In most instances, automatic beams will end at the end of a beat. > > This sentence is not true for one of the most common time sig. 4/4, > and it tricks me to believe > > \time 4/4 > \set Voice.beatStructure = #'(1 1 1 1) > > will work for 8'ths, which it won't. > > I do find: > > (define-public default-time-signature-settings > '( > ... > ((4 . 4) . > ((beamExceptions . ((end . (((1 . 8) . (4 4)) ; 1/8 notes half > measure > ((1 . 12) . (3 3 3 3)))))))) > ;Anything shorter by beat > ... > > in scm/time-signature-settings.scm > > And after some false starts I found out I had to do: > > \set Timing.beamExceptions = #'((end . ( ))) > > Then I also found out I cannot set it like: > > \score { > \new ChoirStaff << > \set Timing.beamExceptions = #'((end . ( ))) > ... > > I have to put it after every damn \time sig. > > /// > > * If I set a beatStructure, why isn't the exceptions cleared? > > * And why doesn't that sentence [1] say "In unusal time sigs. the > beatStructure will solve your needs, but for the most common > things, you will have to struggle through the section about > beamExceptions below." ? > > * How do I clear the default behaviour set in > default-time-signature-settings? > > Regards, > /Karl Hammar > > ----------------------------------------------------------------------- > Aspö Data > Lilla Aspö 148 > S-742 94 Östhammar > Sweden > +46 173 140 57 > > > > _______________________________________________ > lilypond-user mailing list > lilypond-user@gnu.org > https://lists.gnu.org/mailman/listinfo/lilypond-user > _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
