On 29/07/14 04:46, James Harkins wrote:
Hi,
Some time ago, a user here gave me a "cadenzaToMusic" function, which
could stretch rests in non-cadenza parts to match the duration of a
cadenza. (That's because I was having problems with compressing the
cadenza music to fit in a normal-length bar.)
More for information to the list really@
Part of the original thread you had it seems was from 2012 - it's only
fair when you say 'sometime ago' as this will make a difference on the
version of LP you were using at the time.
http://lists.gnu.org/archive/html/lilypond-user/2012-04/msg00125.html I
think is that thread.
Which seems to imply this was originally written for \version 2.14.x and
you're now using 2.18.x - again just to confirm so that the dev who
helped (Thomas Morely by the looks of it) has a chance
;)
I've used it in a couple of pieces and it's worked beautifully so far,...
In those 'so far' pieces, were they all for LP 2.14.x or was it working
in a case for LP 2.18.2 (i.e. is this the first time you are using
2.18.2 and find it no longer works as expected)?
James
(whole rest, fermata) | 2/4 R2 | 6/8 (next section)
Instead, I get
(whole rest, fermata) | 2/4 R2 ...
... and here, the 6/8 appears in the middle of the bar. It looks like
the barlines are calculated as if the 2/4 bar contained three quarters.
The issue doesn't reproduce in two cases:
- If I replace the \cadenzaToMusic in the \score block with rests
adding up to the right duration, or
- If I put the part with the cadenza notes (with *no* \cadenzaToMusic)
in the lowest staff. (I can't do that b/c it's a clarinet cadenza and
the piece also uses bassoon.)
I'm really quite perplexed why this is happening. Can someone take a
look?
Thanks,
hjh
\language "english"
\version "2.18.2"
cadenzaToMusic =
#(define-music-function (parser location cadenzaMusic music)
(ly:music? ly:music?)
"Adjust the length of `music and the measureLength, to fit the
length of
`cadenzaMusic"
(let* ((clen (ly:music-length cadenzaMusic))
(mlen (ly:music-length music))
(factor (ly:moment-div clen mlen))
(compressed (ly:music-compress music factor)))
;; (format #t "factor : ~a\n" factor)
#{
\set Timing.measureLength = $clen
$compressed
\unset Timing.measureLength
#}))
clarCadenzaC = { \cadenzaOn \repeat unfold 31 r8 \cadenzaOff }
globalB = {
\time 4/4
\cadenzaOn \cadenzaToMusic \clarCadenzaC s1 \cadenzaOff
\bar "|"
\time 2/4 s2
\time 6/8 s2.
}
\score { \new Staff <<
\globalB
\relative c' {
\cadenzaOn
% use the following line: barcheck failed, and 6/8 meter is in
the wrong place
\cadenzaToMusic \clarCadenzaC r1\fermata
% use the following line instead (comment the previous one), no
problem
%r8 \repeat unfold 15 { r4 } % = 31 eighth notes
\cadenzaOff
R2
cs8 d e cs4.
}
>>
}
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