Re: Different beaming for triplets

[Richard Shann]

Thank you David (and to the others that replied), I had a go at getting
my head round this before I asked, I find it a serious challenge. It
would be nice to have a graphical way of selecting what you want
visually and letting the computer do the hard work...
Your new 2.19 syntax certainly looks an improvement!
Richard

On Wed, 2013-12-04 at 18:00 +0100, David Kastrup wrote:
> Richard Shann <address@hidden> writes:
> 
> > I've been asked a beaming rule question:
> >
> > Is it possible to specify a different beaming rule if a beat is divided
> > into a triplet? In this example
> >
> >
> >  \version "2.16.0"
> >  \score {
> >   {\time 3/8           
> >   d''4 \times 2/3 { bes''16 a'' bes'' }        
> >   fis''8 g''8 r
> >   ees'' \times 2/3 { d''16 c'' bes' } \times 2/3 { a' g' fis' }
> >   g'16. a'32 bes'8 a'
> >   }
> > }
> >
> > The triplet is beamed together with the 1/8 notes, this override
> >
> > \overrideTimeSignatureSettings 3/8 1/8 #'(1 1 1) #'()
> >
> > breaks up the beaming at each beat so that the 1/8th notes in the second
> > bar are not beamed. Is there a way to frame an override that applies to
> > notes shorter than a certain amount, or some such?
> 
> Yes, that's what the last argument is for (the second to last can just
> be #'() as this will default to beaming on the beat).
> 
> You'd write
> \overrideTimeSignatureSettings 3/8 1/8 #'()
> \beamExceptions { 8[ 8 8] | \repeat unfold 3 \tuplet 3/2 { 16[ 16 16] } }
> 
> Except that you are not using 2.19.0.  In 2.16.0, the beam exceptions
> (calculated above with \beamExceptions) would look like
> 
> #'((end . (((1 . 8) . (3)) ((1 . 24) . (3 3 3)))))
> 
> This will beam the tuplets or shorter on the beat.
>