[MEI-L] slur and @curvedir

[Roland, Perry D. (pdr4h)]

Laurent is correct, the values in the example should be -2 and 1.

The place attribute is for describing the placement of an entity in general terms.  For phrase marks and slurs, it also generically describes the curvature of the mark, and therefore functions as short hand for a more detailed description given by the bulge or bezier attributes. It would be possible to add a value to @place for slurs/phrases with multiple inflection points, such as "mixed" or perhaps "complex", but this would only fulfill a classification purpose -- it wouldn't provide any information regarding how to draw the slur/phrase.  So, one would still need to use @bulge or @bezier for rendering.

Another complicating factor is that @place is used by a number of elements other than slur and phrase.  Adding "mixed" directly to @place would introduce the possibility of nonsense in the case of, say, <accid> or <breath>.  Of course, a specialized form of @place for slur/phrase is a possibility, but would need careful handling.

--
p.


__________________________
Perry Roland
Music Library
University of Virginia
P. O. Box 400175
Charlottesville, VA 22904
434-982-2702 (w)
pdr4h (at) virginia (dot) edu
________________________________
From: mei-l [mei-l-bounces at lists.uni-paderborn.de] on behalf of Laurent Pugin [laurent at music.mcgill.ca]
Sent: Sunday, February 01, 2015 8:27 AM
To: Music Encoding Initiative
Subject: Re: [MEI-L] slur and @curvedir

Hi Benni,

Have you looked at @bulge? There is an example in the guidelines: http://music-encoding.org/documentation/guidelines2013/userSymbols#index.xml-body.1_div.23_div.3_div.4

I would have expected the values to be -2 1 for the given example, so I am not sure I understand it correctly.

Laurent

On Fri, Jan 30, 2015 at 2:13 PM, Benjamin Wolff Bohl <bohl at edirom.de<mailto:bohl at edirom.de>> wrote:

Dear MEI-L,

Freschütz has a question concerning encoding mixed direction slurs.


[bildschirmfoto 2015-01-30 um 14 05 39]<https://cloud.githubusercontent.com/assets/2430401/5976008/319371e8-a889-11e4-9a4c-7fe5cc246dfe.png>

In case the picture doesn't come through, please see: https://github.com/Freischuetz-Digital/proofMEIdata/issues/25


This slur may not be properly encoded in MEI using @curvedir that only allows 'above' or 'below' as values. Nevertheless, using @bezier<https://github.com/bezier> is much more verbose than needed…

Maybe a value like 'mixed' / 'above-below' / 'below-above' / 'changing' / 'alternating' would be applicable? Of course the schema would have to be modified to allow this. Are there any comparable values in other parts of the schema?


This is no "special", rather quite often in printed music from the 19th century.

All the best,
Benjamin

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