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Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Pro
From: |
Graham King |
Subject: |
Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem) |
Date: |
Thu, 31 Oct 2019 00:33:14 +0000 |
> On 30 Oct 2019, at 21:41, Thomas Morley <address@hidden> wrote:
>
> Am Mi., 30. Okt. 2019 um 19:44 Uhr schrieb Graham King
> <address@hidden>:
>
>> Harm, I'm afraid I'm struggling with "#(ly:make-moment -3)"
>>
>> The NR[2] shows four arguments to ly:make-moment, describes two of them, and
>> then speaks a little obtusely of the _second_ argument to ly:make-moment
>> being possibly negative, and I can't find any examples of a negative first
>> (and only) argument online. Most examples seem to use one argument, a
>> positive rational, which I think I do understand.
>>
>> Where does this syntax come from and what does it mean?
>> And why did you choose -3 ?
>>
>> TIA
>> -- Graham
>>
>> [2]
>> http://lilypond.org/doc/v2.19/Documentation/notation/scheme-functions#index-ly_003amake_002dmoment
>>
>
> I intended to set common-shortest-duration to the length of a maxima,
> to get tight spacing, see IR
> (Similiar for base-shortest-duration, although this may be superfluous.)
> And I confused ly:make-moment and ly:make-duration :(
>
> Though the duration-log of a maxima is -3, it's length is #<Mom 8>
>
> See:
> \new MensuralStaff {
> \compressFullBarRests
> \applyMusic
> #(lambda (mus)
> (ly:music-set-property! mus 'duration (ly:make-duration -3))
> (format #t "\n\tLength of music: ~a\n\tDuration of music: ~a"
> (ly:music-length mus)
> (ly:music-property mus 'duration))
> mus)
> b
> }
>
> =>
>
> Length of music: #<Mom 8>
> Duration of music: #<Duration log = -3 >
>
>
> So you better change in my proposal common-shortest-duration to:
> \override SpacingSpanner.common-shortest-duration = #(ly:make-moment 8)
>
> Cheers,
> Harm
Harm,
many thanks! There I was, feeling inadequate in the face of what was,
evidently, some seriously recondite lilypond-fu :)
I understand now.
BTW, your \applyMusic lambda function is a really neat way of explaining a lot
in a few lines.
-- Graham
- Re: Cadenza Senza Tempo Problem, (continued)
- Re: Cadenza Senza Tempo Problem, Thomas Morley, 2019/10/28
- Re: Cadenza Senza Tempo Problem, Reggie, 2019/10/28
- Re: Cadenza Senza Tempo Problem, Ben, 2019/10/28
- Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem), Graham King, 2019/10/29
- Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem), Thomas Morley, 2019/10/29
- Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem), Graham King, 2019/10/29
- Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem), Graham King, 2019/10/30
- Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem), Thomas Morley, 2019/10/30
- Re: Tight spacing in mensural notation (was: Re: Cadenza Senza Tempo Problem),
Graham King <=