2008/10/24 Valentin Villenave <[EMAIL PROTECTED]>

> 2008/10/24 Trevor Bača <[EMAIL PROTECTED]>:
>
> > If we're keeping track (informally) of user requests for certain
> features,
> > you can add my name to the list of users who'll make good use of arrowed
> > accidentals.
>
> Yeah, I had the feeling you'd be interested :-)


:-)



>
>
> However, the other feature request I mentioned in the tracker (same
> link) was the support for non-quartertones micro-intervals. Han Wen
> made me realize this was already possible (and used in makam.ly for
> instance), but from a user's point of view, we have'nt convenient
> shortcuts/interface/implementation/whatever to specify, say a
> third-tone or a sixth-tone whenever you need it.
>
> So, this side of the question remains: how would *you* be able to use
> microtones, without typing lines of Scheme code? Do you have any
> concept in mind (code-wise)?
>

Good point.

OK, ideally I'd like something like this added to english.ly:

  cs'16  % normal C-sharp
  csu'16 % C-sharp with up-arrow
  csd'16 % C-sharp with down-arrow

  bf'16 % normal B-flat
  bfu'16 % B-flat with up-arrow
  bfd'16 % B-flat with down-arrow

and also ...

 cqs'16 % normal (ie, exact) C-quartersharp
 cqsu'16 % C-quartersharp with up-arrow
 cqsd'16 % C-quatersharp with down-arrow

etc.

That's how I would, ideally, like to access the arrowed accidentals. Would
be very slick, indeed. Just a -d (for 'down') or -u (for 'up') appended to
the complete set of all existing accidental input names.

Third-tones, sixth-tones, eighth-tones and the like are a different matter.
There's no generally accepted set of glyphs for exact microtones other than
quartertones (at least at the moment). And I think that fact -- which has to
do with the current state of contemporary scores and contemporary notation
(rather than with the state of LilyPond development) -- will make it
difficult to decide what a LilyPond input scheme should look like for those
values.

So I don't have any snappy ideas in mind for what input syntax for
sixth-tones and eighth-tones might look like. I'd just be thrilled if we
could get the arrowed accidentals in there using some input system like the
one above.

Oh, and two sidenotes:

1. When I use arrowed accidentals in my own scores, I use them to mean "ever
so slightly sharp (flat) of the specified pitch". That is, I use arrowed
accidentals as *inexact* (and small) inflections of pitch. Other composers
use arrowed accidentals differently (sometimes, for example, electing --
confusingly -- to use arrowed accidentals to represent *exact* quartertone
values). But I think we can make a pretty good case that the growing
consensus in contemporary scores is to use Lily's existing microtone glyphs
for *exact* quartertone values (and to use arrowed accidentals as inexact
inflections).

2. I don't personally care about the MIDI realization of arrowed
accidentals. This falls out of #1, above, because I'm using the arrowed
glyphs as inflectional values only.


Did that help answer the question, Valentin? I kinda feel like I may have
missed the actual question. If so, please correct!

Trevor.



-- 
Trevor Bača
[EMAIL PROTECTED]
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