Am 22.06.2018 um 14:46 schrieb Gianmaria Lari:
Is there any scheme function returning the number of beats and the
duration of each beat of the mesure where the function is invoked?
For instance, I would like this code..
\version "2.19.81"
{
\time 3/4
\writeBeats \writeBeatDuration
a4 b a %just some music
\time 4/4
\writeBeats \writeBeatDuration
a4 b a b
\time 2/8
\writeBeats \writeBeatDuration
a8 b
}
... output:
3 4
4 4
2 8
How about this?
writeBeats = \applyContext
#(lambda (context)
(let ((fraction (ly:context-property context 'timeSignatureFraction)))
(display (car fraction))))
writeBeatDuration = \applyContext
#(lambda (context)
(let ((fraction (ly:context-property context 'timeSignatureFraction)))
(display (cdr fraction))))
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