Re: NR 1.2.3 Upbeats: confusing explanation of measurePosition

[Reinhold Kainhofer]

On 2012-12-30 23:59, Federico Bruni wrote:
> In NR 1.2.3, Upbeats:
>
> """
> So \partial 8 becomes:
>
> \time 3/4
> \set Timing.measurePosition = #(ly:make-moment -1 8)
> e8 | a4 c8 b c4 |
>
> _The property measurePosition contains a rational number indicating how
> much of the measure has passed at this point_. Note that this is set to
> a negative number by the \partial command: i.e., \partial 4 is
> internally translated to -4, meaning “there is a quarter note left in
> the measure.”
> """
>
>
> IMO the first sentence is a bit confusing.

I agree about confusion, but not in the first sentence, but in the last: 
-4 actually means "it needs one quarter note until the measure even 
starts". (\partial inserts a partial measure 0 before the measure 1, and 
measure 1 is the first measure where counting starts)

Cheers,
Reinhold

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Reinhold Kainhofer, address@hidden, http://www.kainhofer.com
 * Financial & Actuarial Math., Vienna Univ. of Technology, Austria
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