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List:       lilypond-devel
Subject:    Re: Fixes error for tuplet bracket direction calculation when tuplets contain rests. (issue4668045)
From:       pkx166h () gmail ! com
Date:       2011-06-30 0:13:20
Message-ID: 0023547c8cafc2aec704a6e2c42d () google ! com
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On 2011/06/29 16:32:33, mike_apollinemike.com wrote:
> On Jun 29, 2011, at 3:25 PM, mailto:pkx166h@gmail.com wrote:


> Currently, Lilypond does not factor in note position w/ respect to the
staff
> symbol in order to place the tuplet bracket.  Nor did my patch...until
I read
> your e-mail.  What you're saying makes sense.  I've made a new patch
so that
> LilyPond, as a default, chooses the direction that is closest to the
StaffSymbol
> when there is an equal number of up and down notes.  I've updated the
regtest to
> show this.

> The only issue with this may be one of sight reading.  If I am reading
at
> quaver=200 and I see \relative c''' { \times 2/3 { c4 b,, b } } , I'm
likely
> going to want to see the tuplet above the staff so that I don't
accidentally
> play the first note as a quarter.  Is there anything in Behind Bars on
this?

Mike I don't own that book, my Read shows examples (admittedly not that
extreme as these) where the bracket can be either/or up/down regardless
of stem direction.

Stone says " The numerals and the brackets should be placed at the
stem-side of respective groups so that the space at the note-heads will
be free for slurs and other articulations marks" then goes on to say "If
a group contains both upstems and downstems, it is often best to let the
majority of the stems determine the position of the numeral and the
bracket, but much depends on the amount of articulation. The less
interference with articulation and phrasing the better. ... Phrasing and
articulation marks are always placed closer to the note-heads than the
numerals and the brackets."

Also consider that the numeral is supposed to go under/over the note
head midway in the tupelet in terms of beat not in terms of middle by
distance. So this may also affect where the bracket lies if the extreme
notes are not the middle note.

James

http://codereview.appspot.com/4668045/


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