[MEI-L] Bracketed Lines in MEI

[Andrew Hankinson]

No, I'm not using any of those particular attributes since I can't really extract those from the Sibelius original.

I will go ahead and create a pull request that adds these attributes to line. 

Thanks!

> On Sep 30, 2015, at 5:35 PM, Roland, Perry D. (pdr4h) <pdr4h at eservices.virginia.edu> wrote:
> 
>  
> Line is the appropriate entity.  I can hear the sighs now, but the ligature element in MEI is not intended for these brackets – “The ligature element should not be used for brackets in modern notation that indicate notes that were part of a ligature in the original source.” (from the description of ligature in the schema) and so it’s currently in the MEI.mensural module – it disappears when MEI.mensural is not invoked.  Creation of a similar entity for CMN or merging of ligatures in both repertoires is a possibility, but the topic needs discussion.
>  
> Currently, a line can only be positioned relative to the objects referenced by its @startid and @endid attributes using @start(ho|to|vo) and @end(ho|to|vo).  But, I don’t think there’s any reason not to allow @tstamp, @tstamp2, @staff, @layer and @place.  Even so, I think the best (that is, most precise) way to position lines is by associating them with specific events or time stamps.  The @staff, @layer, @place attributes can only be useful for making sure the lines associated with a particular staff are considered when processing that staff’s data, for instance when rendering a single staff (e.g., part extraction).
>  
> In any case,have a look at the mei-all_anyStart.odd in /develop-perry.  Line has undergone some significant changes.  Its new attributes:
>  
> form:                   dashed, dotted, solid, wavy
> width:                 narrow, medium, wide, or numeric value + unit (cm|mm|in|pt|pc|px|vu)
> endsym:             angledown -- 90 degree turn down (similar to Unicode 231D at end of line, 231C at start).
> angleup -- 90 degree turn up (similar to Unicode 231F at end of line, 231E at start)
> angleright -- 90 degree turn right (syntactic sugar for "angledown" for vertical or angled lines).
> angleleft -- 90 degree turn left (syntactic sugar for "angleup" for vertical or angled lines).
> arrow -- Filled, triangular arrowhead (similar to SMuFL U+EB78).
> arrowopen -- Open triangular arrowhead (similar to SMuFL U+EB8A).
> arrowwhite -- Unfilled, triangular arrowhead (similar to SMuFL U+EB82).
> harpoonleft -- Harpoon-shaped arrowhead left of line (similar to arrowhead of Unicode U+21BD).
> harpoonright -- Harpoon-shaped arrowhead right of line (similar to arrowhead of Unicode U+21BC).
> none -- No start symbol.
> endsymsize:      1-9 (relative size)
> startsym:            [same as endsym]
> startsymsize:     [same as endsym]
>  
> Andrew, when you say you’re supporting MEI 3.0.0 in SibMEI, are you using these new attributes?
>  
> --
> p.
>  
>  
> From: mei-l [mailto:mei-l-bounces at lists.uni-paderborn.de <mailto:mei-l-bounces at lists.uni-paderborn.de>] On Behalf Of Andrew Hankinson
> Sent: Wednesday, September 30, 2015 4:42 PM
> To: Music Encoding Initiative
> Subject: [MEI-L] Bracketed Lines in MEI
>  
> Hello all,
>  
> I'm looking at the following:
>  
> <image001.png>
>  
> It seems that the best element to use in this case would be 'line'; however, the line element currently does not support durational attributes (@dur, @dur.ges, @tstamp, @tstamp2) or positional (@staff, @layer, @place). 
>  
> Is there a better element to use for this object, or should a modification be proposed for the schema?
>  
> Many thanks,
> -Andrew
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