RE: How to split autobeam

[Gerard L. Maters]

Hello Gilles, thanks for your respons. 

I'm using v2.11.58-2 on a Centos 5 Linux system and Jedit on Windows. 

It's all about modern music where auto-beam produces the wrong beaming
groups. 

Here's one example that produces the wrong beaming: 

right = \context Voice = "discant" 

{ 

\clef violin 

\time 4/4 

\relative b' { <<b8. d fis b>> <<bes,16 d f bes>> <<b,8 d fis b>> <<b,8 d
fis b>> 

<<cis,8 eis gis cis>> <<cis,8 eis gis cis>> <<d,8 f a d>> <<d,8 f a d>> }| 

} 

The compiler produces the correct beaming between the b8. and bes,16 chord
and between the two b,8 chords. 

With the default auto-beam setting the next 4 chords are beamed together. In
this case the cis,8 chords should 

Be beamed together and the two d,8 chords should be beamed. 

I've tried severla options, for example adding \nobeam to the first d,8
chord. As a result the last two chords are 

Beamed together, but the first two chords (cis,8) are then separated, not
beamed. 

Also tried overriding the default auto-beam, but that didnot produce the
correct result (yet). 

Hope you can help or point me in the direction where to look for a solution.


Thanks, 

Gerard 

-----Oorspronkelijk bericht----- 

Van: address@hidden
[mailto:address@hidden Namens Gilles
Sadowski 

Verzonden: maandag 15 september 2008 16:13 

Aan: address@hidden 

Onderwerp: Re: How to split autobeam 

Hi. 

> in a \time 4/4 a sequence of chords is written, patterns like this: 

> 

> <<cis,8 eis gis cis>> <<cis,8 eis gis cis>> <<d,8 f a d>> <<d,8 f a 

> d>> 

Please always send a working LilyPond code example. It will make it easier
to understand what you tried. The above does not compile (I'm using
v2.10.33)! 

> these 4 chords are beamed together. But I need the two chords cis,8 

> beamed together and the two chords d,8. 

The following excerpt might do what you want: 

%--- 

\version "2.10.10" 

theMusic = { 

\time 4/4 

<cis, eis gis cis>8[ <cis, eis gis cis>] <d, f a d>[ <d, f a d>] } 

\score { 

\theMusic 

\layout {} 

} 

%--- 

Best, 

Gilles 

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