On Sat, Nov 19, 2022 at 4:34 PM Abraham Lee <tisimst.lilyp...@gmail.com>
wrote:
>
>
> On Sat, Nov 19, 2022 at 3:23 PM Jean Abou Samra <j...@abou-samra.fr>
> wrote:
>
>> Le 17/11/2022 à 23:02, Jean Abou Samra a écrit :
>> > Le 17/11/2022 à 23:01, Werner LEMBERG a écrit :
>> >>>>> But how do you take into account the constraints from lyrics here?
>> >>>>> That is the whole problem.
>> >>>> They should be completely ignored.
>> >>> In that case, it should be completely doable even in Scheme now.
>> >>> (I started writing some code yesterday in response to Abraham that
>> >>> does essentially that, maybe I'll have it finished today).
>> >> Aah, nice!
>> >
>> > No so fast, wait until it actually works before calling
>> > it nice, otherwise if it doesn't work I'll feel bad :-)
>>
>>
>>
>>
>> Here you go.
>>
>> This is a vast refinement of the initial \autoMove function that takes all
>> lyric words into account simultaneously, finding an optimal solution that
>> minimizes the distance from each lyric word to its note while respecting
>> the minimal distances between lyric words as configured by
>> LyricSpace.minimum-distance / LyricHyphen.minimum-distance.
>>
>> I used the first algorithm with acceptable complexity that I could
>> think of, so there may be a simpler solution for this. Nevertheless,
>> it runs in linear time, so I'm happy enough. (If it were quadratic
>> or worse, the running time could potentially be problematic if
>> ly:one-line-auto-height breaking is used, in which case there can
>> be lots of lyrics on the same line.)
>>
>> Caveats:
>>
>> - As said in a previous message, this is the other extreme compared
>> to what LilyPond does by default: lyrics are not taken into account
>> *at all* into note spacing. In particular, LilyPond may produce
>> a page breaking configuration in which there are too many notes on
>> the same system to fit the lyrics comfortably. I expect that using
>> \break in those cases will often be enough to get an acceptable result,
>> but I have zero experience with typesetting music with lyrics.
>> (And little actual practical experience with typesetting music at
>> all, to be honest.)
>>
>> - I have barely tested it.
>>
>> Additional featurelets:
>>
>> - You can still set LyricText.self-alignment-X. It defines the position
>> of the LyricText that the algorithm will consider optimal.
>>
>> - You can set LyricText.details.strength to tell the algorithm to
>> place one specific syllable closer to its note at the expense
>> of the others. See the example.
>>
>> Before someone asks: this is not good to integrate into LilyPond as-is,
>> because it breaks assumptions that grob implementors and LilyPond in
>> general make (namely, the assumption that the X-offset of an item is
>> known before line breaking). One would have to either go for a full
>> solution as brainstormed in one of my earlier messages, or at least
>> find a way for an Item to declare that its positioning depends on other
>> things (akin to the current cross-staff property, but preferably less
>> invasive).
>>
>> Hope that helps,
>> Jean
>>
>>
> This looks absolutely amazing! I'm running into some compiler issues when
> I try to run it on my machine, but I'll see if I can work out why and let
> you know if I'm unable. Either way, bravo! The output looks like it will
> fix many situations automagically. This seems to be a fantastic step in the
> right direction.
>
> Generally, I end up controlling the system breaking in the end, anyway, so
> I'm not too concerned about the possibility of too long a line.
>
> Many thanks,
> Abraham
>
Still running into compiler errors. I figured my version was just out of
date, but after downloading 2.23.81, I still get the following log:
%<-------------SNIP-----------------------
Starting lilypond.exe 2.23.81 [tricky-lyrics.ly]...
Processing `K:/music-related/lilypond/snippets/lyric-autospacer/
tricky-lyrics.ly'
Parsing...
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:8:2:
error: Guile signaled an error for the expression beginning here
#
(use-modules (ice-9 match)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:14:2:
error: Guile signaled an error for the expression beginning here
#
(define-syntax-rule (transform! lval proc)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:17:2:
error: Guile signaled an error for the expression beginning here
#
(define ->
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:36:2:
error: Guile signaled an error for the expression beginning here
#
(define-class <lyric-variable> ()
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:44:2:
error: Guile signaled an error for the expression beginning here
#
(define (merged-variable! group var)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:67:2:
error: Guile signaled an error for the expression beginning here
#
(define (propagate! variables)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:81:2:
error: Guile signaled an error for the expression beginning here
#
(define (finalize! variables)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:93:2:
error: Guile signaled an error for the expression beginning here
#
(define (solve-lyric-spacing-problem! variables)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:101:2:
error: Guile signaled an error for the expression beginning here
#
(define (respace-lyrics! grob)
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/respace-lyrics.ily:162:56:
error: Guile signaled an error for the expression beginning here
\override VerticalAxisGroup.after-line-breaking = #
respace-lyrics!
In procedure bytevector-u64-set!: Value out of range: -149659645
K:/music-related/lilypond/snippets/lyric-autospacer/tricky-lyrics.ly:72:2:
error: Guile signaled an error for the expression beginning here
#
(set-global-staff-size 19)
In procedure bytevector-u64-set!: Value out of range: -149659645
Interpreting music...[8]
Preprocessing graphical objects...
Finding the ideal number of pages...
Fitting music on 1 page...
Drawing systems...
Converting to `tricky-lyrics.pdf'...
Success: compilation successfully completed
Completed successfully in 0.8".
%<-------------SNIP-----------------------
Thoughts on what I'm doing wrong or how I can proceed?
Thanks,
Abraham
