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Re: Beams in 1.5 CVS

From: Jan Nieuwenhuizen
Subject: Re: Beams in 1.5 CVS
Date: Fri, 31 May 2002 23:02:17 +0200
User-agent: Gnus/5.090006 (Oort Gnus v0.06) Emacs/21.2 (i386-debian-linux-gnu)

Vassily Checkin <address@hidden> writes:

> Couple of problems found in today's CVS:
> 1. Beam touches the middle B in the following snippet. 1.4 used to
> handle similar things well.
> \score {
>   \context Staff = up {
>    \notes{
>      \clef bass \stemDown [b,8 b,, b,] r8 r2
>    }
>   }
> }

Thanks.  This can be fixed by increasing the REGION_SIZE to 4 in
lily/beam.cc.  Problem is, that doubling the REGION_SIZE results in a
significant lengthening of processing time.  We really must find a
better way to determine a sane region, or at least to decrease the
search space.  It seems to me that in this example, the region is not
centered about the correct position...

> 2. Tuplet brackets are not aligned with the beam.
> \score {
>   \context Staff = up {
>    \notes{
>     \relative f { \key b \major \time 6/4
>      [fis8. gis16
>        \times 4/6 {ais b cis dis e fis}
>        \times 4/6 {gis ais b cis dis e}]
>        [ \times 4/7 {fis gis ais b cis dis e}
>        \times 4/6 {fis gis ais b cis dis} ]
>      e8 r8
>     }
>    }
>   }
> }

Sorry, what is it exactly that is wrong here?


I see that LilyPond now defaults to showing brackets, whereas 1.4 only
shows the tuplet number, which in this case, with the tuplets being of
a different size than the beam, seems ok (a new feature of 1.5).

> PS I've just started to play around with 1.5 series and I must say
> I'm impressed. The output looks much nicer (aside from the two issues
> above and places where input is over-tuned for 1.4 :)
> and the memory consumption is almost twice less (45Megs vs 80 for Listz'
> second ballade)

Thanks, that's good to hear,


Jan Nieuwenhuizen <address@hidden> | GNU LilyPond - The music typesetter
http://www.xs4all.nl/~jantien       | http://www.lilypond.org

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