From 092b8418e76ef17d6ca2b8a0521b98b1c1afc3af Mon Sep 17 00:00:00 2001 From: Trevor Daniels Date: Tue, 16 Apr 2013 23:12:02 +0100 Subject: [PATCH] Doc: expand explanation of negative measurePosition (3080) based on text provided by Federico Bruni --- Documentation/notation/rhythms.itely | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/Documentation/notation/rhythms.itely b/Documentation/notation/rhythms.itely index cc69b76764..cf55675ec3 100644 --- a/Documentation/notation/rhythms.itely +++ b/Documentation/notation/rhythms.itely @@ -1404,13 +1404,13 @@ The @var{duration} can be any value less than a full measure: r4 e8 | a4 c8 b c4 | @end lilypond -The @code{\partial @var{duration}} can also be written as; +@code{\partial @var{duration}} can also be written as: @example \set Timing.measurePosition -@var{duration} @end example -So @code{\partial 8} becomes: +So the first example above could be written: @lilypond[quote,verbatim,relative=1] \time 3/4 @@ -1418,11 +1418,12 @@ So @code{\partial 8} becomes: e8 | a4 c8 b c4 | @end lilypond -The property @code{measurePosition} contains a rational number -indicating how much of the measure has passed at this point. Note -that this is set to a negative number by the @code{\partial} command: -i.e., @code{\partial 4} is internally translated to @w{@code{-4}}, -meaning @qq{there is a quarter note left in the measure.} +The property @code{measurePosition} contains a rational number, which +is usually positive and indicates how much of the measure has passed +at this point. The @code{\partial @var{duration}} command sets it to +a negative number, when it has a different meaning: it then says that +the current (first) bar will be @emph{preceded} by a bar 0 (the partial +bar) with a duration given by @var{duration}. @seealso Music Glossary: -- 2.39.2