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Re: grace synchronization


From: David Kastrup
Subject: Re: grace synchronization
Date: Sat, 27 Aug 2011 08:01:14 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Reinhold Kainhofer <address@hidden> writes:

> The problem is what is the default for the second value (the grace moment)? 
> While processing a voice like 
>    c4 \clef "bass" c4
> you have no information about graces in other voices, so you can either set 0 
> (together with the next c4, as it is currently done) or -inf (i.e. before the 
> c4 and all grace notes appearing at that time step). You will have to decide 
> to assign the clef to either 1/4G-0 or 1/4G-inf.

Use 1/4G-inf.  If you want to synchronize the clef to be after graces,
place \grace {} before it.

> Now, either of those breaks when combined with one of the following two:
>
>    c4 \clef "bass" \grace e8 c4   (clef at 1/4G-1/8 or 1/4G-inf)
> or
>    c4 \grace e8 \clef "bass" c4   (clef at 1/4G-0 in both cases)

What do you mean with "breaks"?  Why should a grace note in a cello part
followed by a clef change (very very weird place for a clef change, by
the way) cause a simultaneous clef change on an ungraced bassoon part to
come later?  If the clef change happens right at a line break, this
would mean a repetition of the old clef at the start of the next line,
then nothing (no grace!), then the clef change.

Poor bassoon.  I am sure it would prefer getting a clef change
indication already at the end of the previous line and not have the new
line start with the old clef followed by the new clef.

The cello, in contrast, was asking for it.

-- 
David Kastrup




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