[mei-neumes-ig] @tilt, MEI neumes 0.21

[Ichiro Fujinaga, Prof.]

> On Oct 15, 2017, at 3:50 PM, Elsa De Luca <elsa at campus.ul.pt> wrote:
> 
> Comment below
> 
> Andrew's Quote:
>  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?
> whatever the ductus/alignment of the notation is,  always use the page baseline as reference. any straight line, either vertical or horizontal, would be encoded as n/s or e/w. All the other intermediate degrees of inclination would be encoded as ne, se, sw, nw (BTW there is a typo in the module description, below).
>  
Fixed (on the Google Docs). 
Thank you.

Ichiro

> It is imperative to remember that this will be used to encode the music notation, not describe the shapes on a page.
> sure. however, the inclination of the pen-stroke is a graphical feature used to represent melodic information in neumatic notations. in other words, information on the melodic contour was conveyed by the scribes according to the directionality of the pen-stroke on the page. hence, the encoding of neumes cannot avoid to take into account how the shapes look like on the page. 
> 
> Of course there were cases where scribes used different degrees of inclination of the pen-strokes without the intention to convey exact melodic information but we do not want to decide a priori which scribe was randomly using the inclination of the pen-stroke. In any case, it is important to reiterate that the inclination of the pen-stroke represents relevant musical information which needs to be captured in the encoding.
> 
> I would strongly suggest this be dropped, and another method of encoding the same information be developed.
> Sorry, but ​I really like this system. I have attempted to encode some OH neumes and this system works beautifully. I find it very straightforward, easy to be applied and, last but not least,  it mirrors the shape of the neumes on the page with an accurate degree of approximation.
> 
> ​Of course this is just my personal take, and if someone else has a better suggestion on how to encode the inclination of the pen-stroke, please do let us know! 
> 
> All the best, ​​
> 
> Elsa De Luca
> CESEM (Centre for the Study of the Sociology and Aesthetic of Music)
> Faculdade de Ciências Sociais e Humanas – NOVA FCSH
> Av. de Berna, 26 C, 1069-061 
> Lisbon, Portugal
> 
> On 15 October 2017 at 09:59, Andrew Hankinson <andrew.hankinson at mail.mcgill.ca> wrote:
> Attribute: @tilt {n|ne|e|se|s|sw|w|ne} (north, northeast, etc.)
> 
> My previous message about directionality in MEI applies here too.
> 
> > 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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