Re: subdivideBeams broken?

[Trevor Daniels]

Hans Aberg Sunday, June 21, 2009 5:48 PM


> On 21 Jun 2009, at 16:47, Trevor Daniels wrote:
>
> > SubdivideBeams will break beams at intervals
> > defined by beatLength, which by default is set
> > to 1 over the denominator of the time signature.
> > I think you need to set beatLength explicitly with
> > \set beatLength = #(ly:make-moment 1 8)
>
> I have experimented a bit more with this. When setting beatLength 
> to  8ths, 'lilypond' seems to just subdivide beams at 8ths, but 
> still  ignoring beatGrouping. I get the same typeset output when 
> changing  between
>   \set beatGrouping = #'(2 2 3)
>   \set beatGrouping = #'(2 2 1 2)
>   \set beatGrouping = #'(2 2 2 1)
> It looked like it worked because I before just tried with the last 
> one.

Please read Notation Reference 1.2.4, subsection Setting automatic
beam behaviour.  You will see there that beatGrouping and
override-auto-beam-setting are mutually exclusive.
beatGrouping will work only if no auto-beam rules are
applicable.

Trevor