[MEI-L] dots on chords and rests

Laurent Pugin lxpugin at gmail.com
Wed Oct 14 13:22:08 CEST 2015

I am not sure assume that dot attributes determine the duration and dot
elements the visual appearance makes sense. The fact that we have @dots and
/dot and where to encode them with chords are two different issues to me.
My understanding of promoting attributes to element is that you can then
have additional information, including embed them within /app and /rdg, for
example. Now for making the distinction between the actual duration and the
appearance we might want to introduce .ges attributes.

I am thinking of something like:

<chord dots.ges="1">
  <note dots="1"/>
  <note> <!-- no do on that note -->

Now if you want to represent this with elements:

  <dot dots.ges="1">
    <dot dots="1"/>

This is just an idea.


On Wed, Oct 14, 2015 at 12:21 PM, Kőmíves Zoltán <zolaemil at gmail.com> wrote:

> Hi Jo,
> I am thinking that this is one of the situations when relying on
> redundancy is a good thing - if you can. You could rely on the @dots
> attribute for determining the duration of chords, while relying on the
> element for visual representation - provided you have any means to ensure
> that the attribute and the element are used consistently.
> Of course redundancy is a double-edged sword (e.g. it could cause
> complications if you want to make changes to a redundant model), but
> perhaps something to consider?
> Best
> Zoltan
> 2015-10-14 9:54 GMT+01:00 Johannes Kepper <kepper at edirom.de>:
>> Dear list,
>> we're slightly puzzled by the encoding of dotted chords and rests for
>> Beethovens Werkstatt. As we need to attach SVG shapes to our dots, we have
>> to encode them as elements. When encoding a note, this is perfectly
>> possible, using the <dot> child element within note. However, <dot> is not
>> allowed within rest. With chords, a <dot> is also not allowed inside
>> <chord>. Here, I understand the complications: If you put two <dot>
>> elements inside a chord, it could mean that there is a separate dot for
>> each of the two notes (duration * 1.5), or it could mean that it's a
>> double-dotted chord (duration * 1.75). This means you have to put the
>> <dot>s inside the child notes, which means that querying for durations is
>> really a pain (you have to look for @dur on <chord>, and for <dot> inside
>> the contained <note>).
>> I know it's possible to put the dot inside <layer>, but this weakens the
>> connection between dot and the music event it belongs to in a rather severe
>> way.
>> Opinions? Recommendations?
>> Johannes
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