On 2018-05-28 06:00, Wols Lists wrote:
On 22/05/18 21:11, Arle Lommel wrote:
lmost right, but doesn’t function quite as Hindemith’s
notation does:
* The Hindemith editions use time signatures /both/ above and in
line,
but never at the same time. They serve different purposes. The
snipped removes the ability to do the in-line time signatures
because the time signature engraver is removed from the main
staffs.
Easy enough to put in, but then I need to brush up enough to
selectively control where a time signature appears
* Hindemith also limits the effect of a superior time signature to a
single measure. The following measure reverts (with nothing
displayed) to the original meter. So replicating the Schott
practice
would mean also hiding the time signature following such a
measure.
But this is very useful as a suggestion of an approach. Maybe I can
find
a way to selectively hide/show time signature changes in each context
to
get what I want.
Another possible approach, for the temporary time changes, is can you
display the new time signature without actually setting it? (Ie if the
piece is in 2/4, you display 3/4 but lilypond still thinks its a 2/4
bar
as before with no change.
Then just use \times 2/3 {} for that bar so the notation displays
correctly.
Okay, that won't work for midi, but for scores it might be a good
solution.
You could do a hidden tempo change for the MIDI output that would
correct for the scaled durations.
But I would think the best option is not to mess with scaled durations
and simply have an actual time signature change. All you need to do is
visually offset the normal time signature, or you can hide it and simply
replace it with suitable markup. There was a recent thread on this:
http://lists.gnu.org/archive/html/lilypond-user/2018-05/msg00403.html
What could be handy, perhaps, is to have the ability to do a time
signature change that is limited to a defined scope. Consider the
following:
%%%%
\version "future"
{
\time 3/4 % Normal time signature change
a4 b c' | e'2 d'
\localtime 5/4 % Scoped time signature change
{
e'4 g'8 f' e' d' e'2
}
% Time signature implicitly reverts to 3/4 here
c'4 b g | a2.
}
%%%%
Providing these so-called local time signature changes would be
adjustable/overridable independently of normal ones, folks could easily
accommodate something like Hindemith.
-- Aaron Hill
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