2011/6/12 <percival.music...@gmail.com>:
> LGTM. Could you send me the final patch for pushing?
Attached.
From def5b44aba34023d30fd29c74995a6f49f70dd51 Mon Sep 17 00:00:00 2001
From: Janek Warchol <lemniskata.bernoull...@gmail.com>
Date: Sun, 12 Jun 2011 12:41:44 +0200
Subject: [PATCH] doc: changing example for overriding positions
example in LM 4.5.2 (fixing beam collision)
is outdated because beam collision has been
implemented, so there is nothing to fix.
Therefore I change the type of collision
to beam-tie collision.
---
Documentation/learning/tweaks.itely | 43 ++++++++++++++++++++++------------
1 files changed, 28 insertions(+), 15 deletions(-)
diff --git a/Documentation/learning/tweaks.itely b/Documentation/learning/tweaks.itely
index 97b2cad..40f46cf 100644
--- a/Documentation/learning/tweaks.itely
+++ b/Documentation/learning/tweaks.itely
@@ -2793,42 +2793,55 @@ r4
\acciaccatura e8\( d8 c~ c d c d\)
@end lilypond
-Here's a further example taken from the opening of the left-hand
-staff of Chopin's Prelude Op 28 No. 2. We see that the beam
-collides with the upper notes:
+Here's a further example. We see that the beams
+collide with the ties:
@lilypond[quote,verbatim,fragment,ragged-right]
{
- \clef "bass"
- << { b,8 ais, b, g, } \\ { e,8 g e, g } >>
- << { b,8 ais, b, g, } \\ { e,8 g e, g } >>
+ \time 4/2
+ <<
+ { c'1 ~ c'2. e'8 f' }
+ \\
+ { e''8 e'' e'' e'' e'' e'' e'' e'' f''2 g'' }
+ >>
+ <<
+ { c'1 ~ c'2. e'8 f' }
+ \\
+ { e''8 e'' e'' e'' e'' e'' e'' e'' f''2 g'' }
+ >>
}
@end lilypond
@noindent
This can be resolved by manually moving both ends of the beam
-up from their position at 2 staff-spaces above the center line to,
-say, 3:
+up from their position at 1.81 staff-spaces below the center line to,
+say, 1:
@cindex Beam, example of overriding
@cindex positions property, example
@lilypond[quote,verbatim,fragment,ragged-right]
{
- \clef "bass"
+ \time 4/2
<<
- \override Beam #'positions = #'(3 . 3)
- { b,8 ais, b, g, }
- \\
- { e,8 g e, g }
+ { c'1 ~ c'2. e'8 f' }
+ \\
+ {
+ \override Beam #'positions = #'(-1 . -1)
+ e''8 e'' e'' e'' e'' e'' e'' e'' f''2 g''
+ }
+ >>
+ <<
+ { c'1 ~ c'2. e'8 f' }
+ \\
+ { e''8 e'' e'' e'' e'' e'' e'' e'' f''2 g'' }
>>
- << { b,8 ais, b, g, } \\ { e,8 g e, g } >>
}
@end lilypond
@noindent
Note that the override continues to apply in the first voice of
-the second block of quavers, but not to any of the beams in the
+the second measure of eighth notes, but not to any of the beams in the
second voice.
@subheading force-hshift property
--
1.7.0.4
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