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Re: More post-divisi oddities


From: Nick Payne
Subject: Re: More post-divisi oddities
Date: Wed, 03 Jul 2013 08:52:43 +1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7

On 03/07/13 07:57, Guy Stalnaker wrote:

Attached is a 12-measure  LP file snippet with four treble-clef parts
plus piano reduction. The piano reduction works perfectly until it
encounters a temporary polyphonic passage (TPP). There are two in the
example, at mm.3-4 in the upper two voices and mm. 8-9 in the lower two
voices. As you can see on compiling it (2.16.2) the first two measures
are set in the piano reduction as expected, stems and rests in the right
places and directions; LP reports no errors.

Starting in m.5 however, LP reports collisions for rests/notes in the
upper voices and, as you can see, the stems no longer, as they were in
the first two measures, go the 'right' way, up for the upper part and
down for the lower part. The two lower voices continue to be set
correctly until they, too, have a TPP in mm.8-9, after which they also
are no longer set correctly and LP again reports collisions.

I built your example with 2.17.21. No warnings at all in the log, and the only problem I can see anywhere in the output is in the piano reduction mm 3 & 4, where the tie between the two whole notes in the upper voice goes through the head of the half note in the lower voice, and that can be fixed by using ^~ rather than _~.



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