Graham Percival wrote:
On 15-Mar-06, at 10:31 AM, Paul Scott wrote:
Graham Percival wrote:
This is exactly what the bar line check does! See 6.2.4 Bar
check! c'4 c c c | c c c c |
Certainly but I for one don't put | at the end of every bar. I
normally only use | when I have a problem.
Benjamin Britten occasionally used double meters -- say, a piece
that changes between 3/4 and 2/4 on every single bar. These are
notated with a 3/4 2/4 at the beginning of the piece, but nothing in
the rest of the piece. We can do this in lilypond via other means.
I haven't done this yet but the number of beats per bar is still well
defined. Is this documented somewhere?
Oh, it's still defined. I was thinking of having a
global = {
\time 3/4 \partial 128 s128 \time 2/4 \partial 128 s128
\override whatever #'hide Time-signature
\repeat unfold 40 { \time 3/4 s2. \time 2/4 s2 }
}
Looks simple enough. I don't remember ever seeing the need for the
partials.
Other than those examples, I don't think there are any musical cases
where you can have more beats in the bar than the time signature
indicates.
So it could be reasonable to give an error when the number of
beats/bar is exceeded (when not in a cadenza). I would guess the
present bar line logic already presents the condition where the error
message could be added. I have generated many pages of music without
this feature using | when I need it but I can imagine it might help
some users.
What's wrong with adding a | every so often to your code?
That's exactly what I do. It would still seem that the wrong number of
beats/bar should be an error. OTOH Orm is suggesting that there are
valid exceptions.
Paul
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