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Re: Tempo mark alignment


From: Reinhold Kainhofer
Subject: Re: Tempo mark alignment
Date: Fri, 29 May 2009 09:50:32 +0200
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Am Freitag, 29. Mai 2009 05:13:28 schrieb Andrew Hawryluk:
> On Wed, May 27, 2009 at 2:01 PM, Neil Puttock <address@hidden> wrote:
> > Adding the context property to switch between the two alignments was a
> > quick hack with a serious limitation: if set to align with note
> > columns, tempo marks disappear completely when attached to
> > multi-measure rests.
> >
> > A proper solution should be able to determine automatically when to
> > attach the tempo mark to prefatory material (favouring time
> > signatures) or note columns.
>
> Would the 'automatic' alignment rule be something like this?
>
> if (tempo mark occurs on first beat of measure):
>     align to prefatory material
> else:
>     align to note column
>
> Or is that over-simplifying things?

No that's not really over-simplifying. Gardner Read says:
"Actual notation of tempo marks involves few problems. The general terms are 
placed over the uppermost staff -- well above beams, flags, slurs and accents 
-- 
at the beginning of the composition or at appropriate points during the course 
of the music. The initial letter of the term (usually a capital) customarily 
is aligned over the meter signature, or -- if none is present -- over the first 
notational element of the measure, such as note-heads, accidentals, repeat 
signs, and so on."

What Gardner Read does not describe is where it should go with mid-measure 
tempo marks. I suppose the general rule should be to align to a time signature 
(if present) and to the note column otherwise.

The problem with note column is the alignment on full- and multi-measure rests 
(as I showed in my previous mail), since the rests are not printed at the 
beginning of the measure but centered. In that case, I suppose the tempo mark 
should be aligned somewhere at the beginning of the measure rather than at the 
rest...

Cheers,
Reinhold

- -- 
- ------------------------------------------------------------------
Reinhold Kainhofer, address@hidden, http://reinhold.kainhofer.com/
 * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
 * http://www.fam.tuwien.ac.at/, DVR: 0005886
 * LilyPond, Music typesetting, http://www.lilypond.org
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