From: Graham Percival Date: Mon, 4 Feb 2008 18:18:35 +0000 (-0800) Subject: Update from trevor. X-Git-Tag: release/2.11.39-1~1^2~13^2 X-Git-Url: https://git.donarmstrong.com/lilypond.git?a=commitdiff_plain;h=464e240d2ca5c3e5e4512de428a4ee7843b75307;p=lilypond.git Update from trevor. --- diff --git a/Documentation/user/rhythms.itely b/Documentation/user/rhythms.itely index 8947591745..9cb6de540f 100644 --- a/Documentation/user/rhythms.itely +++ b/Documentation/user/rhythms.itely @@ -12,7 +12,7 @@ @lilypondfile[ragged-right,line-width=16\cm,staffsize=14,quote] {rhythms-headword.ly} -This section discusses rhythms, durations, and bars. +This section discusses rhythms, rests, durations, beaming and bars. @menu * Writing rhythms:: @@ -44,14 +44,14 @@ This section discusses rhythms, durations, and bars. @funindex \breve @funindex \maxima -When entering notes, durations are designated by numbers and dots: -durations are entered as their reciprocal values. For example, a +Durations are designated by numbers and dots. +Durations are entered as their reciprocal values. For example, a quarter note is entered using a @code{4} (since it is a 1/4 note), -while a half note is entered using a @code{2} (since it is a 1/2 +and a half note is entered using a @code{2} (since it is a 1/2 note). For notes longer than a whole you must use the -@code{\longa} (a double breve) and @code{\breve} commands. Note -durations as short as 64th notes may be specified. Shorter values -are possible, but only as beamed notes. +@code{\longa} (a double breve) and @code{\breve} commands. +Durations as short as 64th notes may be specified. Shorter values +are possible, but only as beamed notes: @c Two 64th notes are needed to obtain beams @lilypond[quote,ragged-right,verbatim,fragment,relative=2] @@ -61,7 +61,7 @@ c4 c8 c16 c32 c64 c64 @end lilypond @noindent -and the same durations with automatic beaming turned off +and the same durations with automatic beaming turned off; see @ref{Automatic beams}: @c not strictly "writing rhythms"; more of a "displaying" thing, @@ -73,6 +73,10 @@ c\longa c\breve c1 c2 c4 c8 c16 c32 c64 c64 @end lilypond +A note with the duration of a quadruple breve may be entered with +@code{\maxima}, but this is supported only within ancient music +notation; see @ref{Ancient notation}. + If the duration is omitted then it is set to the previously entered duration. The default for the first note is a quarter note. @@ -86,22 +90,31 @@ a a a2 a a4 a a1 a @funindex . -To obtain dotted note lengths, simply add a dot (@code{.}) to the -number. Double-dotted notes are produced in a similar way. +To obtain dotted note lengths, place a dot (@code{.}) after the +duration. Double-dotted notes are specified by appending two +dots, and so on. @lilypond[quote,ragged-right,fragment,verbatim,relative=2] a4 b c4. b8 a4. b4.. c8. @end lilypond -Some durations cannot be entered using only binary durations -and dots, and can only be represented by tying two or more -notes together. Tied notes are covered in @ref{Ties}. +Some durations cannot be represented with just binary durations +and dots; they can only be represented by tying two or more +notes together; see @ref{Ties}. + +For ways of specifying durations for the syllables of lyrics and +ways of aligning lyrics to notes see @ref{Vocal music}. + +Optionally, notes can be spaced proportionately to their duration. +For details of this and other settings which control proportional +notation see @ref{Proportional notation}. @refcommands Dots are normally moved up to avoid staff lines, except in polyphonic situations. The following commands may be used to -force a particular direction manually: +force a particular direction manually, and to return to the +default behaviour: @funindex \dotsUp @code{\dotsUp}, @@ -110,24 +123,13 @@ force a particular direction manually: @funindex \dotsNeutral @code{\dotsNeutral}. -For ways of specifying durations for the syllables of lyrics and -ways of aligning lyrics to notes see @ref{Vocal music}. - -A note with the duration of a quadruple breve may be entered with -@code{\maxima}, but this is supported only within ancient music -notation; see @ref{Ancient notation}. - -Optionally, notes can be spaced proportionately to their duration. -For details of this and other settings which control proportional -notation see @ref{Proportional notation}. - @seealso Music Glossary: @rglos{breve}, @rglos{longa}, @rglos{note value} @rglos{Duration names notes and rests}. -Notation Reference: @ref{Automatic beams}, @ref{Ties}, +Notation Reference: @ref{Automatic beams}, @ref{Ties}, @ref{Writing rhythms}, @ref{Writing rests}, @ref{Vocal music}, @ref{Ancient notation}, @ref{Proportional notation}. @@ -139,7 +141,7 @@ Internals Reference: @internalsref{Dots}, @refbugs -@c duplicated in Durations and Rests. -gp +@c deliberately duplicated in Durations and Rests. -gp There is no fundamental limit to rest durations (both in terms of longest and shortest), but the number of glyphs is limited: there are rests from 128th to maxima (8 x whole).