[mei-neumes-ig] @s-shaped, MEI 0.21

[Andrew Hankinson]

Attribute: @s-shaped {n|e|s|w) (north, east, south, west; the direction of the initial long stroke, i.e., the standard letter S is “w”, its mirror shape is “e”, the letter turned 90-degrees on its side is “s”, and its mirror shape is “n”)

(As a matter of style, MEI adopts a camel-case method for naming its attributes, so this would be @sShaped)

This is problematic. If a line is written such that is not aligned perpendicular to the page edges, or it curves, or the page edges are not 90°) then from what baseline should the directional reference be? 

It is imperative to remember that this will be used to encode the music notation, not describe the shapes on a page.

I would strongly suggest this be dropped, and another method of encoding the same information be developed.


> On 15 Oct 2017, at 00:26, Ichiro Fujinaga, Prof. <ichiro.fujinaga at mcgill.ca> wrote:
> 
> [This sender failed our fraud detection checks and may not be who they appear to be. Learn about spoofing at http://aka.ms/LearnAboutSpoofing]
> 
> Dear all,
> 
> Subsequent to the Cantus Ultimus meeting, we had several discussions in Halifax. This resulted in the MEI Neumes Module Draft, Version 0.21.
> 
> The changes from Version 0.2 can be viewed here:
> https://docs.google.com/document/d/14EVIGmBPdEtw7vXOPK8Uas7MG6WK6mxy_gQGSMpZH9A/edit?usp=sharing
> 
> I strongly suggest, for the ease of discussions online, that comments and questions on the Draft be restricted to one topic per email, e.g., one attribute at a time.
> 
> Ichiro
> 
> =========================================
> MEI Neumes Module Draft, Version 0.21 (2017-10-14)
> 
> A <neume> element consists of one or more <nc> element(s).
> A <nc> (neume component) element is a single pitched event, although the exact pitch may not be known.
> 
> Attributes for <neume>:
> @significative letters
> @hispanicTick (type1|type2) ((further specifications required)
> 
> Attributes for <nc>:
> @pname
> @oct
> @intm (interval melodic; relative to the previous <neume>) {u|d|s|n|sh|sl} (u = up, d = down, s = same, n = neutral/unknown, sh = same or higher (but not lower), sl = same or lower (but not higher))
> @s-shaped {n|e|s|w) (north, east, south, west; the direction of the initial long stroke, i.e., the standard letter S is “w”, its mirror shape is “e”, the letter turned 90-degrees on its side is “s”, and its mirror shape is “n”)
> @significative letters
> @curved {a|c} (anticlockwise, clockwise)
> @angled
> @liquescence
> @episema
> @len (s|l} (short, long)
> @tilt {n|ne|e|se|s|sw|w|ne} (north, northeast, etc.)
> @quilisma {2|3|4} (2, 3, or 4 curves)
> @con {g|l|e}  (gapped, looped, extended) (connection to the previous <nc> within the same <neume>)
> 
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