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Re: Possible bug with new \partial
From: |
Mats Bengtsson |
Subject: |
Re: Possible bug with new \partial |
Date: |
Sun, 16 Aug 2015 22:38:03 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 |
I just realized that if i swap \partial and \time, it works as expected,
at least if I explicitly specify the bar line:
\version "2.19.25"
\relative c'{
\time 4/4
\partial 4
c |
d e f g |
f2.
\bar "||" %Removing this line still gives ugly collisions!
\time 3/4
\partial 4*3
R2.*3 |
f4 ( a f ) |
f2.
R2.*3 |
}
In a way, this is logical, since the \partial relates to the new time
signature, not the previous one. Still, I'm confused that the problem
only showed up when using a multimeasure rest directly after the \partial.
/Mats
On 08/16/2015 10:32 PM, Mats Bengtsson wrote:
On 08/16/2015 10:05 PM, Simon Albrecht wrote:
Hello Mats,
IIUC \partial serves to insert an additional amount of time, however
in this example we actually need to skip a beat – thus call \partial
with a negative duration, which is impossible :-)
So you need to insert \set Timing.measureLength = #(ly:make-moment
3/4) before the second bar in your example.
Is this documented differently? Else I wouldn’t consider it a bug,
rather an inherent limitation.
Please note that \partial has been changed very recently in the 2.19
versions. The documentation for 2.19.25,
http://lilypond.org/doc/v2.19/Documentation/notation/displaying-rhythms#index-_005cpartial-1
says that the duration specifies the remaining length of the current
measure, which in my example is zero. Note also that my example works
fine if I remove the R2*3 line directly below \time 3/4.
/Mats
Yours, Simon
Am 16.08.2015 um 21:28 schrieb Mats Bengtsson:
Hi,
I tried version 2.19.25 to typeset a piece that changes from 4/4
with an upbeat to 3/4 without an upbeat, in the middle of the piece.
The new \partial handling worked for all parts, except a part that
started with a multimeasure rest. Here's a small example
illustrating the problem. Uncommenting the \bar line makes things
slightly better but still wrong.
\version "2.19.25"
\relative c'{
\time 4/4
\partial 4
c |
d e f g |
f2.
%\bar "||"
\partial 4*0
\time 3/4
R2.*3 |
f4 ( a f ) |
f2.
R2.*3 |
}
/Mats
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--
=============================================
Mats Bengtsson
Signal Processing
School of Electrical Engineering
Royal Institute of Technology (KTH)
SE-100 44 STOCKHOLM
Sweden
Phone: (+46) 8 790 8463
Fax: (+46) 8 790 7260
Email: address@hidden
WWW: http://www.ee.kth.se/~mabe
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