Am 07.02.2015 um 12:20 schrieb Noeck:
Hi Ming,
I played a bit to reproduce the measure you sent. This was my first try to
typset the upper staff:
\version "2.18.2"
\relative c ' {
\key g \major
<c d fis a>4 <es g bes>8[ <d f g b>]:64---> ~
q2:32\fermata
\bar "|."
}
However there are 3 things to notice (one on notation and 2 on Lilypond):
1. At least for Lilypond, the 3 slashes mean a 1/64th -tremolo - probably
because the beam counts a fourth slash (?). This means the notation in your copy
and in Lilypond has different opinions on this. I would choose a 1/32th-tremolo
as for the half note chord at the end (i.e. 2 slashes + beam).
I think the model score Ming sent is being inconsistent here, as
according to standard notation it would have a 1/64-note tremolo on the
eight note and a 1/32-note tremolo on the half note. At least it would
be extraordinary if the composer had intended that the tremolo changes
its speed (and anyway, a tremolo does not have a specific speed usually,
but is rather played “as fast as possible”).
So I would tend toward using :32 for both chords and thus harmonise the
speed.
Yours, Simon
2. The beam gets very steep with this tremolo sign and it should not because the
chords are on the level. This can be done by overriding Beam.positions.
But I would have thought LilyPond is a bit more clever here out-of-the-box.
3. The second tie from the top is extremely short (just a dot). I think Lilypond
should figure out somehow that a chord with a note on the right of the stem
needs a bit longer ties than it is now. This can be done with a tweak (or an
override) of the minimum-length.
@Developers: Could one consider these two things a bug (ugly): Issues 2 and 3
here (tremolo shifts beam too much and ties in chords with seconds too short)?
With these tweaks it looks ok:
\version "2.18.2"
\relative c ' {
\key g \major
\override Beam.positions = #'(3 . 3)
<c d fis a>4 <es g bes>8[ <d f g b>]:32--->
-\tweak #'minimum-length #4 ~
q2:32\fermata
\bar "|."
}
Cheers,
Joram
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