On Mon, 17 Dec 2018 at 16:07, Vaughan McAlley <vaug...@mcalley.net.au>
wrote:
> On Fri, 15 Dec 2017 at 19:34, N. Andrew Walsh <n.andrew.wa...@gmail.com>
> wrote:
>
>> Hi List,
>>
>> I'm trying to use the \featherDurations command on a brief passage:
>>
>> \relative c' {
>> a,,^\markup { \italic "subito meno mosso" }\( b cis dis eis8\)
>> \override Beam.grow-direction = #LEFT
>> \featherDurations #(ly:make-moment 2/1)
>> { a,32[\( b cis dis eis]\)\fermata }
>> \override Beam.grow-direction = #'()
>> < a, cis e >16 < a cis e >
>>
>> }
>>
>> What I want is for that feathered group on the fourth line to occupy the
>> duration of exactly one eighth note. As there are five notes, I'm
>> struggling with the math, and thus what to put after ly:make-moment.
>>
>> Can you advise as to what the numbers should be?
>>
>> Cheers,
>>
>> A
>>
>>
> I just consulted one of the two feathered beams I’ve written this century.
> I was initially a bit baffled about the number I had chosen. It turns out
> that number is just for MIDI playback (correct me if I’m wrong) and you
> just put the notes inside a tuplet and omit the number. For typesetting
> purposes the total length of the unaltered notes is what counts:
>
> \version "2.18.2"
>
> \relative d {
> \clef bass
> \time 4/4
> d2 e4~
> \override Beam.grow-direction = #RIGHT
> \featherDurations #(ly:make-moment 3/4)
> {
> \once \override TupletNumber.stencil = ##f
> \tuplet 5/4 { e16 [ dis-. ais-. fis'-. d-. ] } |
> }
> \revert Beam.grow-direction
> cis1 |
> }
>
> Vaughan
>
>
>
Aha, so the example given in the notation manual:
http://lilypond.org/doc/v2.19/Documentation/notation/beams#feathered-beams
…only uses three of the four beats in the 4/4 bar, which is confusing.
Vaughan
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