Hi All,
Another option:
\version "2.19.82"
\relative d {
\clef bass \key d \major
\time 3/2
d1. | e1.
\override NoteHead.duration-log = #1
| fis2 b,8*2[ cis d b] |
\once\revert NoteHead.duration-log
e1. | fis2. gis8*2 ais2 | b2 b,8*2 cis d2 |
e2. d8*2 cis2
}
Cheers,
Pierre
Le jeu. 4 oct. 2018 à 14:32, Jacques Menu <imj-muz...@bluewin.ch> a écrit :
> Hello Graham & Aaron,
>
> Thanks, both your solutions work fine. Lily is really great!
>
> Avoiding to use multiplying factors as in b,8*2 has the advantage that
> Frescobaldi can select the code from the glyphs and vice-versa alright.
>
> A nice day!
>
> JM
>
> Le 4 oct. 2018 à 13:29, Aaron Hill <lilyp...@hillvisions.com> a écrit :
>
> On 2018-10-04 2:09 am, Jacques Menu wrote:
>
> Hello folks,
> I’ve found this in Charpentier’s Te Deum, as engraved by the
> Centre de Musique Baroque de Versailles, which I had never seen
> before:
> It’s quite readable indeed, maybe more than using the modern
> notation with quarters, and I’ve wondered if there a way to obtain
> that with Lily.
>
>
> Simplest option is to use a note scaling fraction:
>
> d2*1/2
>
> This produces a "half note" but it has been scaled in half so it only
> lasts as long as a quarter note. The note head, however, will still render
> as a half.
>
> The problem is that this does not let you do beaming:
>
> d2*1/2[ e f g]
>
> You will get an error because half notes do not support beams.
>
> One way to get around this is to use something like an eighth note (which
> does support beams) and then scale it so it lasts as long as a quarter
> (which is what the music in question needs):
>
> d8*2[ e f g]
>
> But now we are back at the problem where the note heads are showing as
> solid. Graham has provided a way to force the note head to render however
> you want. Allow me to provide an alternative:
>
> %%%%
> \version "2.19.82"
>
> \relative d {
> \clef bass \key d \major
> \time 3/2
> \override NoteHead.stencil = #(lambda (grob)
> (let* ((dur (ly:event-property (event-cause grob) 'duration))
> (dur? (and (eqv? (ly:duration-log dur) 3) (eqv?
> (ly:duration-scale dur) 2))))
> (if dur? (ly:grob-set-property! grob 'text (markup #:musicglyph
> "noteheads.s1")))
> (if dur? ly:text-interface::print ly:note-head::print)))
> d1. | e1. | fis2 b,8*2[ cis d b] |
> e1. | fis2. gis8*2 ais2 | b2 b,8*2 cis d2 |
> e2. d8*2 cis2
> }
> %%%%
>
> What I am doing here is providing a function that checks to see if you are
> using the 8*2 duration specifically and only then adjusting the way the
> note head is displayed.
>
> -- Aaron Hill
>
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