Re: hairpin over bar line and over end of line
> How would I have found that in the documentation? It's in the "expressive marks" snippets, though I admit I couldn't have found it myself without searching the docs source code. https://lilypond.org/doc/v2.24/Documentation/snippets/expressive-marks.html#expressive-marks-controlling-spanner-visibility-after-a-line-break signature.asc Description: This is a digitally signed message part
Re: hairpin over bar line and over end of line
> Probably a simple answer but how do I get a crescendo in this example to > continue to the next line? \override Hairpin.after-line-breaking = ##f signature.asc Description: This is a digitally signed message part
Re: Fine-tuning footer alignment
\version "2.25.13"
\header {
copyright = \markup {
\general-align #Y #DOWN \left-column {
\line{© Cameron Horsburgh. This work is licensed under}
\line{CC BY-ND 4.0. To view a copy of this license, visit }
\line {https://creativecommons.org/licenses/by-nd/4.0}
}
}
tagline = \markup {
\general-align #Y #DOWN \right-column {
\line{Check out LilyPond at}
\line{www.lilypond.org}
}
\hspace #2
\general-align #Y #DOWN \override #'(quiet-zone-size . 0) \qr-code #10.0
"https://www.lilypond.org;
}
}
\score {
\relative c{
c'4 c c c
}
\layout {
}
}
\paper {
oddFooterMarkup = \markup {
\fill-line {
\fromproperty #'header:copyright
\fromproperty #'header:tagline
}
}
}
HTH
Jean
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Re: Two adjacent clefs
> I think it's not uncommon for two clefs to appear side by side at the > start of a piece (e.g. when a piano piece starts with both staves in > bass clef so as to alert the pianist that the upper staff is not in > treble clef). > How is this done in LilyPond? See https://lsr.di.unimi.it/LSR/Item?id=792 and https://lsr.di.unimi.it/LSR/Item?id=956 signature.asc Description: This is a digitally signed message part
Re: wordwrap on argument of markup function
> (define-markup-command (freely layout props width-param text) (number? > markup?) ^^^ Make that `markup-list?`. Otherwise, your command is accepting only a single markup. In your example, \line inside the command is working perfectly (though not actually needed), but \freely gets applied multiple times. HTH Jean signature.asc Description: This is a digitally signed message part
Re: fontconfig not using XDG directories
> I am running on Alpine Linux and I noticed that lilypond creates > ~/.fontconfig/ with cache files every time I run it. > > It seems like fontconfig is supposed to follow the XDG environment > variables > (https://gitlab.freedesktop.org/fontconfig/fontconfig/-/commit/8c255fb), > which I have defined on my system. Other programs on my system that > depend on fontconfig all follow them and put cache files in > $HOME/.cache/fontconfig. > > Are there any configurations I can do to make lilypond respect the XDG > environment variables, or to create the cache files somewhere else? This was a bug, and has been fixed in version 2.25.5. https://gitlab.com/lilypond/lilypond/-/issues/6591 signature.asc Description: This is a digitally signed message part
Re: Vertical alignement
Try
\version "2.24.3"
\markup \fill-line {
\column {
\override #'(padding . 10)
\table #`(,LEFT ,LEFT) {
\line {
"1."
\column {
"Поблискують черешеньки"
"В листі зелененькім,"
"Черешеньки ваблять очі"
"Діточкам маленьким."
}
}
\line {
"3."
\column {
"Раді б вишню з'їсти –"
"Та високо лізти,"
"Ой раді зірвати –"
"Та годі дістати!"
}
}
\vspace #1.5
\vspace #1.5
\line {
"2."
\column {
"Дівчаточко й хлоп'яточко"
"Під деревом скачуть,"
"Простягають рученята"
"Та мало не плачуть."
}
}
\line {
"4."
\column {
"– Ой вишеньки-черешеньки,"
"Червонії, спілі,"
"Чого ж бо ви так високо"
"Виросли на гіллі?"
}
}
}
}
}
HTH
Jean
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Re: running lilypond
Le vendredi 24 mai 2024 à 07:23 -0600, ming tsang a écrit : > I try to run the following code as lilypond .ly > \version "2.24.3" > lilypond -dbackend=eps -dno-gs-load-fonts -dinclude-eps-fonts myfile.ly This looks like a command that you should run in a terminal, not LilyPond syntax. In Frescobaldi, you can add the "-dbackend=eps -dno-gs-load-fonts -dinclude-eps-fonts" arguments in the "Additional command line options" box inside "LilyPond > Engrave (custom)…". signature.asc Description: This is a digitally signed message part
Re: DIfferent note values within a chord
> Could someone give me a pointer for this?
>
> This is a quite popular notation for bowed string instruments. I’m almost
> certain that I saw a way to achieve this before but could not find it this
> time.
\version "2.24.2"
{
2
}
HTH
Jean
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Re: Moving dynamics onto the staff
> So why would overriding the dynamic line spanner's outside-staff-priority > change where the forte goes? Isn't it DynamicText? If anyone can clear this > up for me, I would be very appreciative. When there are consecutive dynamics like \p \< ... \f \> ... \pp, they need to be all vertically aligned. LilyPond achieves that by grouping them into a same DynamicLineSpanner, so it's that object which is responsible for the vertical placement of dynamics. In this case, there's only one dynamic in the DynamicLineSpanner, but this still applies. signature.asc Description: This is a digitally signed message part
Re: Conditional code in the midi block
> nostaffmidi =
> #(define-scheme-function () ()
>(if TrackPerVoice #{ \context { \Staff \remove "Staff_performer" } #}))
Ah, that proves me wrong. I didn't recall the parser was smart enough for this.
> Although, I don't understand why the contents of the scheme functions cannot
> be placed directly into the midi block like this
>
> \midi {
> #(if TrackPerVoice #{ \context { \Staff \remove "Staff_performer" } #})
> #(if TrackPerVoice #{ \context { \Voice \consists "Staff_performer" } #})
> }
It works with $ instead of # , as explained in my other post.
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Re: Conditional code in the midi block
> I would like to include some Staff and Voice context settings in the
> \midi block only if a flag is set to ##t and I have not been able to
> figure out how to do this. When I try to wrap the \context blocks
> in a code block with #{…#} I get this error:
> trackPerVoiceMWE.ly:31:16: error: syntax error, unexpected '{', expecting
> SCM_IDENTIFIER or SCM_TOKEN or STRING or SYMBOL
> \context {
Probably the easiest way is to include or exclude a whole \midi block like this:
\version "2.24.0"
\include "english.ly"
global = {
\key c \major
\time 4/4
}
TrackPerVoice = ##t
\score {
\new ChoirStaff <<
\new Staff <<
\new Voice = "soprano" <<
\global
\relative c' { c'4 d e f << g1 \\ { g4 f e2 } >> }
>>
\new Voice = "alto" <<
\global
\voiceTwo
\relative c' { c'4 b a g | f e d2 }
>>
>>
>>
\layout { }
#(if TrackPerVoice
(begin
(display "One track per Voice (may make too many voices with
polyphony)")
(display "Turn this off to get sop and alto combined in one track.")
#{
\midi {
\context {
\Staff
\remove "Staff_performer"
}
\context {
\Voice
\consists "Staff_performer"
}
}
#})
#{ \midi { } #})
}
Alternatively, you can do it more like you were envisioning, but for technical
reasons, you have to start the Scheme code with $ , not # , and you also have
to include an extra \midi { } around the \context blocks (basically because
\context outside \layout or \midi is a different command).
\version "2.24.0"
\include "english.ly"
global = {
\key c \major
\time 4/4
}
TrackPerVoice = ##t
\score {
\new ChoirStaff <<
\new Staff <<
\new Voice = "soprano" <<
\global
\relative c' { c'4 d e f << g1 \\ { g4 f e2 } >> }
>>
\new Voice = "alto" <<
\global
\voiceTwo
\relative c' { c'4 b a g | f e d2 }
>>
>>
>>
\layout { }
\midi {
$(if TrackPerVoice
(begin
(display "One track per Voice (may make too many voices with
polyphony)")
(display "Turn this off to get sop and alto combined in one track.")
#{
\midi {
\context {
\Staff
\remove "Staff_performer"
}
\context {
\Voice
\consists "Staff_performer"
}
}
#}))
}
}
The # vs $ issue is explained here:
https://extending-lilypond.gitlab.io/en/extending/lily-and-scheme.html#hash-vs-dollar
HTH
Jean
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Re: One-page PDF cut off after a certain height?
> I run into a problem when I create a (very high) single-page PDF file from a
> Lilypond score. 'After a certain time', the rest of the page is rendered in
> white.
>
> In my use case, I wanted to make a large system staff, and white-on-black
> music, because of readability-reasons. Specifically: Puttin this on a tablet,
> and using one page for continuous scrolling to make the music less 'jumpy'
> (even staff spacing, not constrained to page height).
>
> Can anyone shed a light on what goes wrong here? I've attached my files for
> reference.
You have
\filled-box #'(-1000 . 1000) #'(-1000 . 4000) #0
in your color.ily file. That's painting a big black box for the background, but
the box just happens not to be big enough. Try adding an extra zero to the
second -1000 value.
Also, are you sure you need the big color-staff-lines function? It goes through
hoops to allow coloring each staff line in its own color, but if you just
want all staff lines in white, you can just add an
\override Score.StaffSymbol.color
with the other overrides in the \color function.
And also, LilyPond has supported CSS-style colors natively for a long time,
so this whole function:
color =
#(define-music-function (parser location color) (string?)
(define (hexa->decimal x)
(let ((num (string->number x 16)))
(if (= 0 num)
num
(exact->inexact
(/ 255 num)
(let* ((str (string-take
(if (string-prefix? "#" color)
(string-drop color 1)
color)
6))
(r (string-take str 2))
(g (string-drop (string-drop-right str 2) 2))
(b (string-take-right str 2))
(translated-color
(map hexa->decimal
(list r g b)))
(lily-color (primitive-eval
(cons rgb-color translated-color
#{
\override Score.BarNumber.color = #lily-color
[...]
#}))
can be simplified to just
color =
#(define-music-function (parser location lily-color) (string?)
#{
\override Score.BarNumber.color = #lily-color
[...]
#})
HTH
Jean
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Re: Looking for documentation for constants
> This is a very basic question. I have see some examples that use > constants like "$SELECTION" or ""$CURSOR'$ANCHOR". but despite doing all the > obvious things (searching the documentation, etc.) I've not found any relevant > information. > > I would sincerely appreciate being pointed in the right direction. This is a Frescobaldi thing, not a LilyPond thing. See Help > User guide > Editing files > Snippets > Snippet editor in Frescobaldi. signature.asc Description: This is a digitally signed message part
Re: vertical spacing per score
> Le 19 mai 2024 à 02:53, Walt North a écrit : > > David, thanks, this did indeed accomplish my goal - so I'm happy. Well, \bookpart will work *if* you are happy with having a page break between the two scores.
Re: vertical spacing per score
> Le 19 mai 2024 à 01:56, David Wright a écrit : > > Perhaps > > https://lists.gnu.org/archive/html/lilypond-user/2024-04/msg00247.html Indeed, but there was a more technical one, with Lukas I think.
Re: vertical spacing per score
> Hi. I have a case where I want to have different vertical spacing between two > different scores. I can get system-system spacing to change for both scores > using a \paper variable. But if I'm understanding the documentation correctly > I should be able to use the same variable in a distinct layout block in each > of the two scores. If tried several different coding lines based on things > I've found on google but have not found the correct coding yet. Sorry, this isn't supported, it's a known issue (https://gitlab.com/lilypond/lilypond/-/issues/1885 ; there are no comments there, but IIRC there was a more recent discussion). signature.asc Description: This is a digitally signed message part
Re: manual repeat mark syntax question
> \set Score.repeatCommands = #'((volta ,voltaOpt)) ^^^ This should be ` not ' . signature.asc Description: This is a digitally signed message part
Re: Custom colors in fret diagrams
> Quick question on coloring dots in fret-diagrams. There is an option to use > predefined colors from normal, CSS or X11 palettes which works perfectly well > in the fret-diagram-verbose with the snippet below: > > > (place-fret 3 6 3 dodgerblue2) > > For some reason I cannot get it working with custom RGB or Hex colors like > this: > > > (place-fret 3 6 3 #FF) You should put quotes around it: (place-fret 3 6 3 "#FF") HTH Jean signature.asc Description: This is a digitally signed message part
Re: italic phrase in lyrics
Le mercredi 15 mai 2024 à 17:05 -0400, David Olson a écrit :
> Suppose the lyrics contain two contradictory propositions:
>
> Ma -- the -- ma -- tics is in -- vent -- ed.
> Ma -- the -- ma -- tics is dis -- cov -- ered.
>
> Is this the only way to put the second proposition in italics?
>
> \markup { \italic Ma } --
> \markup { \italic the } --
> \markup { \italic ma } --
> \markup { \italic tics }
> \markup { \italic is }
> \markup { \italic dis } --
> \markup { \italic cov } --
> \markup { \italic ered. }
You could do it like this:
\version "2.24.2"
\lyrics {
\override LyricText.font-shape = #'italic
Ma -- the -- ma -- tics is dis -- cov -- ered.
}
or even like this:
\version "2.24.2"
\lyrics {
\markupMap text \markup \italic \etc {
Ma -- the -- ma -- tics is dis -- cov -- ered.
}
}
HTH
Jean
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Re: layout problem - new issue
> I've tried placing the new bar in 3 different places on the treble
> staff. In the current pdf, the first 2 are commented out and the third
> -- which I expected to work -- is active: placement after the >>.
> Somehow a spurious bar is inserted, but I don't know where it's coming from.
You have
<<
{ R1 | [...] \bar "!" }
\new Staff \with { alignAboveContext="RH" } { \chimes }
>>
es'4\mp es'4. es'8
but the \chimes takes one measure more than the { R1 | [...] \bar "!" }.
The duration of the << >> expression is the max of the two. Basically,
<< >> waits before *all* subexpressions are exhausted before yielding
back control.
You should simply move the line es'4\mp es'4. es'8 into the { R1 ... }.
Best,
Jean
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Re: Frescobaldi?
> I've freshly installed Frescobaldi using mac port. When lauching the > frescobaldi.app, Are you sure that this is the Frescobaldi that was installed by MacPorts? It rather sounds like the (buggy) .app distributed in the Frescobaldi releases. I think the MacPorts-installed Frescobaldi should be launched by executing the `frescobaldi` command in a terminal — which was apparently successful for you. signature.asc Description: This is a digitally signed message part
Re: \after positioning in voices
>
> % \after 2 \< \after 8*7 \!\> \after 2 \!
> s2 d8(c b2)
Make that
s2 d8(\< c \after 8 \> b2) <>\!
\after doesn't work the way you indented your code suggests you
think it does. The syntax is
\after DURATION ARTICULATION MUSIC
and gives something roughly equivalent to
<< { s DURATION <>ARTICULATION } MUSIC >>
So when you do
\after 8*7 \!\>
it is telling LilyPond "put \> here and \! at 8*7 after it".
The first thing to correct is to change that into
\after 8*7 \! \after 8*7 \> ...
or just
\after 8*7 \> ...
(since \> automatically ends the previous hairpin).
But you still have the problem that you're using \after
to put an articulation at 8*7 after the s2, and the
skip that delays it to 8*7 makes the length of
\after 8*7 \> s2
be 8*7, not 2.
In short, \after doesn't just "spawn something in parallel
at a given point". It needs a main music argument to put
the articulation in parallel with, and normally you don't
want that main music argument (usually a note) to be
longer than the delay of the articulation.
I feel that's not a very clear explanation, but it's the
best I could do, sorry :(
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Re: Frescobaldi?
> Regarding MacOs porting, a valid alternative would be to run > the linux version of Frescobaldi from a Docker container Perhaps, but from the perspective of building .app bundles, that replaces a headache (shipping Qt, PyQt, Poppler and python-poppler-qt5) with what sounds like an even larger headache, and there's a myriad of ways it won't integrate well with the macOS system around it (file dialogs, global menu, and so on). If the goal is to just have something that works, the Homebrew and MacPorts packages already work better. signature.asc Description: This is a digitally signed message part
Re: Re[4]: Frescobaldi?
> I'm an intermediate-level python programmer but I might be able to help with > busy work like typing and documenting functions, with some feedback. Anything > to give back to a project that I use all the time! Thanks. However, without wanting to stop you from contributing, I'll reiterate that from my point of view, what the project needs right now is focus on macOS distribution, and Qt 6. Other work is welcome but it will not really help the project to get out of the current impasse. signature.asc Description: This is a digitally signed message part
Re: Re[4]: Frescobaldi?
Le lundi 06 mai 2024 à 14:05 +, Steph Phillips a écrit : > Well, I'm glad you asked about feedback because I'm curious what other > folks who contribute to Frescobaldi might think. > > After digging around in the codebase, I'm wondering if the application > might benefit from a more object-oriented design. It's definitely in > Python, but with more of C-style approach. You've worked on it, you know > what I'm talking about. Was wondering what your thoughts are. I wouldn't focus on large-scale refactorings that will only pay off on the long term without first (1) doing smaller things to get used to the code and (2) doing what needs to get done on the short term to be able to do releases and keep up to date with the rest of the world. signature.asc Description: This is a digitally signed message part
Re: Re[2]: Frescobaldi?
> Hey all, I've been looking over the Frescobaldi codebase for the last > few days, and it seems to be within the realm of something I could pick > up maintenance for. > > There would definitely be a learning curve, so hopefully it doesn't > reach it's EOL too soon... But, I don't know, I feel pretty confident. > > Not really sure what more info I can contribute to the public discourse > at this point, but I welcome anyone else interested with the upkeep of > Frescobaldi to get in touch with me so we can coordinate~ I'd encourage you to start by fixing some small issues to get acquainted with the code. Then if you want to do the Qt 6 port, work on a branch and make it public so I (for example) can have a look (don't wait for having finished the port before seeking feedback). Thanks, Jean signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> I’m wondering if the Frescobaldi approach is actually working out. Keep in > mind that originally Frescobaldi was just a project for adding support for > Lilypond to KATE, then it became a KDE parts solution, then it started to do > everything itself for more control. And this means you’ll need to maintain and > develop many components for a niche community. Frescobaldi is essentially a > full text editor, solely for Lilypond. And I do not think the Lilypond > community is the best place for maintaining a whole text editor. > > This also means you get a weird dependency situation which is hard to > maintain. Frescobaldi has a lot of qt-independent functionality, including a > reduced Lilypond parser and transformation tools and stuff. And it has a lot > of > interface stuff. This is the part that depends on qt5, and only one component > depends on the poppler integration. > > So maybe instead of trying to maintain this collosus of tools it could make > sense to split it up into different parts: > > → An LSP server > → A transformative toolset > → An editor using these features > > This way no matter what might happen to Frescobaldi, much of the functionality > would be still usable. With an LSP server any modern text editor with an LSP > client could benefit from understanding Lilypond syntax. And being able to a > toolset would make extending editors much more fun. > > And this way the maintainance effort could be split. Maybe the LSP could even > become part of Lilypond itself (no need to implement a new parser if you > already have one), keeping it always up to date (rather than the always > outdated approch we have with Frescobaldi). Well, what you call the "transformative toolset" is already separated, in the form of the python-ly package. An LSP server might be nice, but it wouldn't really take off that much functionality from Frescobaldi. I'd have to check how advanced the LSP protocol exactly is now, but you definitely can't do things like the MIDI player, the fonts dialog, or the manuscript viewer through LSP. And of course, if we already have trouble maintaining the software as it is, finding people to work on that kind of split is not going to be easier :( Also, you cannot really use the LilyPond parser because it won't parse LilyPond code without also interpreting it at the same time (e.g., music functions can be defined dynamically). You don't want to pay the price of parsing the full file every time a character changes, and you don't want to lose syntax highlighting as soon as there is a syntax error. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> The technical stuff is way over my head, but this reads like the top- > level description of a GSOC project (in case the mentioned friend > doesn't take the bait)... GSoC projects are nice for doing focused work on some specific part of the code base. For overhauling just about everything, I'd be a lot more skeptical, especially since there will unavoidably be fallout to deal with afterwards in terms of bugs, and that's less nice to do if the person who did the port isn't available after the summer to do that part of the work. signature.asc Description: This is a digitally signed message part
Re: how difficult would it be to have “auto-correct spacing” (even for just a single measure)?
> > If you look at the first measure of the third system, you can see > > that the note spacing is distorted by various things (lyrics, > > accidentals, etc.). But clearly there’s more than enough horizontal > > room to make those eighth notes absolutely even — in fact, that kind > > of thing is what the majority of my post-data-entry tweak time is > > dedicated to. [Again: When I used Finale , it took hours or > > even days to get from “the data is all in” to looking like this > > already looks… so I’m not complaining!] > > You are aware of https://lsr.di.unimi.it/LSR/Item?id=1154 ? It looks like the spacing is not really distorted by the lyrics here but rather by the accidentals, so that snippet won't help much (what it does is basically making the spacing engine forget about lyrics, then space them itself). There might be ways to reduce the importance of accidentals in the spacing problem, but I don't really recall this, it's been a long time. It's interesting though that adding \override Score.SpacingSpanner.spacing-increment = 5 in \layout evens out the spacing a lot. Of course, for a longer score, this will spread out the music, so it's not really a solution, but it might be worth trying to flank that measure with \newSpacingSection and give it a different spacing-increment. Jean signature.asc Description: This is a digitally signed message part
Re: Fw: Frescobaldi ... panic alternatives?
> FYI, what I like the most about Frescobaldi are: > > * Templates and wizards > * Snippets > * Point and Click selection > * Syntax highlighting > > If Frescobaldi for Mac does indeed vanish, what are my alternatives for a > Lilypond editor? Syntax highlighting should be doable in Emacs, VS Code or such. Point and click can be arranged with various PDF viewers (see the LilyPond Usage manual). The other two only exist in Frescobaldi AFAIK. > Also, how can I help? (I'm not a programmer at all...) Thanks, but you cannot really help in a way meaningful for the current issues without programming knowledge. Also, for the record, Frescobaldi needs developers, but perhaps even more importantly, it needs maintainers, i.e., people who will not just work on a technical problem because they were told it's important, but also proactively and autonomously respond to GitHub issues and support questions, update the website, figure out what parts of the code need regular maintenance like lists of LilyPond commands and maintain them, monitor the frescobaldi package in major Linux distros, and so on. Unfortunately, it can be really hard to find maintainers (even for projects that the entire world infrastructure relies on, cf. xz…). Best, Jean signature.asc Description: This is a digitally signed message part
Re: How to manually set MIDI channel # for a staff?
Le lundi 29 avril 2024 à 06:31 -0500, Jason Yip a écrit :
> Hi,
>
> Does anyone know how to manually set the midi channel # for a staff to
> something other than the default of channel 0/1? Without having to
> create dummy staffs with just `s256` as the voice content preceding the
> desired staff? The staff in question usually only has one voice, so I
> modified the midi context as shown below simply made a bunch of dummy
> voices with only `s256` as the content so that they don't at least
> affect the graphical output:
>
> ```
> \midi {
> \context {
> \Staff
> \remove "Staff_performer"
> }
> \context {
> \Voice
> \consists "Staff_performer"
> }
> }
> ```
You can do \set Score.midiChannelMapping = #'voice as an alternative to that.
Also \new Voice { } should work (untested) instead of \new Voice { s256 }.
I don't think there's a better way.
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Re: Frescobaldi?
> yeah, I just had the package-manager in gentoo downgrade to the previous
> version of snappy, and then filed a bug with gentoo. It's a workaround for
> now.
>
> As another workaround, I'm trying to get my latex editor to use lilypond-book,
> but since it's on a nonstandard path, I don't seem able to use it. How do you
> integrate lilypond-book into a LaTeX toolchain?
lilypond-book isn't called by LaTeX, it's a preprocessor that you first have
to run on a .lytex file to get a .tex file, then you compile that .tex file
with TeX.
Consider lyLuaTeX, which is an alternative that runs inside the TeX process
directly, but requires LuaTeX. You can specify the path to the LilyPond
executable with \usepackage[program=/path/to/bin/lilypond]{lyluatex}.
See https://ctan.org/pkg/lyluatex
With both methods, you will lose point-and-click, though.
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Re: Frescobaldi?
> It gets a bit more complicated now. See this bug: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278633 > > That bug is for freeBSD, but I expect it applies to other > distros as well (it certainly applies to gentoo, as I'm > getting the exact same error). In short, snappy (an archiver) > was updated to version 1.2.0 a few days ago, and it contains > symbols that aren't defined in earlier versions. Well, new symbols shouldn't be a problem (removed symbols would be, if other packages expect them). Based on https://github.com/conda-forge/snappy-feedstock/issues/35 what apparently happened is that the snappy developers released 1.2.0 but forgot to update the library soname even though they changed function signatures. The lookup of that symbol _ZN6snappy11RawCompressEPKcmPcPm which is the mangled version of snappy::RawCompress(char const*, unsigned long, char*, unsigned long*) fails because the new version only has a (mangled) symbol for snappy::RawCompress(char const*, unsigned long, char*, unsigned long*, snappy::CompressionOptions) That's a bug in snappy, and it will affect things other than qtwebengine too… You should probably ask the Gentoo developers to revert to the previous version or patch it. There's probably a way to ask the Gentoo package manager to downgrade the package, too. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> Would it maybe make things a bit easier to leave the whole MacOS > business aside and take care of the Linux-specific stuff first? Linux is not really causing us any specific problems. Packaging is a lot easier, thanks to Linux distributions and Flatpak. The only wrinkle is the oddities on Wayland that are related to Qt 5. > And what actually about Windows - out of curiosity. Windows is… a can of worms of its own. The Windows installers for the past few releases were built by a user (@19joho66 on GitHub) who apparently manages to them work by moving shared libraries around manually :-( > I myself am a Linux user (Mint), and so far Frescobaldi is still running > flawlessly. > And - another question out of curiosity: Could it be a workaround (if > Qt5 would be officially retired and no longer be available in the repos > of the "big" distros like Mint, Ubuntu and the like) if one used a > distro for older computers which might stick to Qt5 much longer? I may be wrong, but I don't really foresee distros retiring Qt 5 soon since Frescobaldi should not be the only piece of software still requiring it (as Qt is so widely used). In any case, the Flatpak package can still ship it. What's more likely to happen is that changes in the desktop environments (like Xorg → Wayland) make Qt 5 work less and less well. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> […] > Well, the explanation wasn't that brief. Sorry that I didn't have > time to write a shorter one, as they say. PS: Maybe I should mention that at the time I went down the rabbit hole of Python packaging in general because of Frescobaldi, I wrote two articles on the LinuxFR site, which may be of interest here if one reads French: https://linuxfr.org/news/l-installation-et-la-distribution-de-paquets-python-1-4 https://linuxfr.org/news/l-installation-et-la-distribution-de-paquets-python-2-4 (Yes, these are ~8 and ~14 pages long. Yes, they're only the two first articles in a series of four. I haven't given up on publishing the two others, but it's not my priority at the moment.) signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> unfortunately, as I noted above, the problem seems to be that frescobaldi > depends on a now-deprecated version of qtwebengine, and without updating > it we'll eventually reach a point where it no longer runs. I looked into > this because qtwebengine-5.15 failed to compile on my machine this morning, > so I'm worried we're already approaching EOL on it. Note that we're talking about Qt as a whole, not just QtWebEngine which is just a small part of it (well, for some definition of "small" since it embeds Chromium's Web rendering engine…) that Frescobaldi only uses in a few places (IIRC, the SVG viewer and the documentation browser). Qt 5 *is* already EOL upstream, since May 2023. > Jean: I have a colleague who does UI work and is "fairly" capable of dealing > with python and Qt dependencies. Can you give me a brief (but as technical > as it needs to be for a specialist to understand the issue) summary of where > the sticking points are? Frescobaldi uses the Poppler library in order to display PDF files. (It cannot use Qt's native PDF viewer based on Chromium, because that one is not powerful enough to support point-and-click.) Since Frescobaldi is written in Python and Poppler is a C++ library, it needs an FFI wrapper, which is called python- poppler-qt5 and written with a tool called sip that is developed by the creator and maintainer of PyQt itself and also used for PyQt. Thus there is a diamond dependency: Qt5 --> Poppler (C++) || || || vv PyQt5 -> python-poppler-qt5 (Python extension modules) python-poppler-qt5 is a little fiddly to build: it's multiple layers with sip generating C++ code and QMake project files, then QMake generating a Makefile and sip finally executing make on that Makefile. On macOS, the platform favors distributing applications as .app bundles, which are optimized for being created by the native app development tools (Swift+XCode). These have a peculiar structure organized into "frameworks", with data files separated from code files, shared library lookup paths modified and that sort of thing (the specifics I do not know or remember). Of course, that doesn't play well with Python packages relying on a different structure, and Qt + PyQt also needing their file structure. In fact there are whole tools written just to deploy PyQt in a .app bundle, see pyqtdeploy. Now throw python-poppler-qt5 into the mix, which needs to be loaded by Python and find its linked Poppler and Qt and PyQt, and you should start to understand the problem. Basically, it's the Apple flavor of "things will work well but only if you do it my way with the non-cross-platform tools from my walled garden" in its full glory. Add that macOS displays scary warnings to users if the app bundle hasn't been signed with a certificate that costs real money. Details are on https://github.com/frescobaldi/frescobaldi/issues/1584 Also add that the tool Frescobaldi has used so far to create app bundles, py2app, relies heavily on setuptools, which prevents Frescobaldi from moving to a more modern and less complicated build backend like hatchling. Apart from these packaging issues, there's also an issue with the global menu (the one at the top of the screen on macOS, it doesn't appear on other platforms) which isn't really up-to-date and has been a source of crashes. There are also miscellaneous bugs that only reproduce on macOS (they have the macOS label on GitHub) and it's not always easy to understand why. Well, the explanation wasn't that brief. Sorry that I didn't have time to write a shorter one, as they say. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> I own a bunch of Macs. In fact, right here in my studio I have two late-2014
> Mac Minis with fresh Monterey installs which are completely unused. I also
> have a *really* excellent [fibre] internet connection — it usually hovers near
> 900Mbps up and down (though right now it’s only at 200Mbps for some reason?!)
> — and I’m happy to put a machine on a DMZ for external access.
>
> Is there anything, non-programming-wise, I can do to help the cause?
Currently, I don't have the time or honestly the stamina to work on
Frescobaldi again, but if anyone does tackle macOS issues then I'm
sure that they would much appreciate access to these machines.
Perhaps one thing you can do right now is subscribe to notifications on
the Frescobaldi repository on GitHub ("Watch" button on the top right of
https://github.com/frescobaldi/frescobaldi when you're logged in)
so you get informed of any activity.
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Re: Frescobaldi?
> Just had a quick look. It seems to me we need to create a python-poppler-qt6, > port qpageview to Qt6 and of course frescobaldi itself. I would hope that > qpageview and frescobaldi both basically mean moving from PyQt5 to PyQt6 which > I expect to be mostly busy work. The poppler bindings seem to require > understanding of what poppler does though. > > All of the above is based on a brief look and thus not a reliable assessment. Honestly, I have zero idea how hard porting to Qt 6 actually is. I think we won't know until someone tries and finds out what exactly Frescobaldi uses that is modified or removed in Qt 6 compared to Qt 5 as well as poppler-qt6 compared to poppler-qt5. > In any case, I do rely on Frescobaldi and am willing to help keep it alive. If you want to attempt the port, of course feel free. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> If there is busy work that needs to be done on the project, I can do that, but > I also don't own a Mac. Thanks, but unfortunately the kind of work needed is deeply technical, not busy work. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> Is Frescobaldi the most common tool on Linux, or what do the majority of > Lilypond users use? Frescobaldi is the most common LilyPond editor, on all OSes. signature.asc Description: This is a digitally signed message part
Re: Frescobaldi?
> Doing some system updates today, I see that frescobaldi is the only program > that requires PyQtWebEngine:5, which in turn requires qtwebengine:5. Looking > at the frescobaldi page, I see a somewhat concerning note that the project is > on the verge of being unmaintained, due to this dependency on a deprecated > version of qtwebengine. > > Is there any further information on this? I don't see any other IDE that works > as well as frescobaldi for editing lilypond files, and I'm a bit worried that > there hasn't been an update to the program in over a year. Any news would be > appreciated. You've basically nailed the problem. I was the last person to work on making Frescobaldi actually work on macOS, and I gave up by lack of time (NB: I don't own a macOS machine, which of course makes all testing very difficult). Currently, there is close to no activity on the project. I doubt Linux distributions are going to remove Qt 5 really soon, and the Flatpak package can always provide it, but like every toolkit that's end-of- life, it's only going to be a source of trouble going forward. For example, Frescobaldi has some problems on Wayland (which is increasingly becoming the default on the Linux desktop, for good reason) that are caused by Qt 5 bugs fixed in Qt 6. I don't recall that anybody even attempted the Qt 6 migration. Yes, if the current state continues, Frescobaldi will ultimately die a natural death. Sorry that I cannot exactly bring an optimistic message here. Best, Jean signature.asc Description: This is a digitally signed message part
Re: Delayed turns etc
> That works for the last line of the whole score. The line I want to be > "ragged" is the last line of a page. with more music on the next page. There is no way to make just one system ragged except the last one in the score. I'm afraid you need a second \score block if you want to do this. signature.asc Description: This is a digitally signed message part
Re: score with dynamic beats
> I note that in one solution one uses \remove and in the other \omit to
> achieve the same thing.
>
> Is there any prospect of moving to a situation where only one operator
> is used to achieve a result, possibly by having a preferred and
> deprecated options first? This is a general point, not just restricted
> to this one case.
No, because they do completely different things in general, even though in
this case they happen to be more or less equivalent.
For example, try
\version "2.24.2"
\layout {
\context {
\Voice
%\remove Note_heads_engraver
% vs.
\omit NoteHead
}
}
{ c'8 8 8 8 }
Best,
Jean
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Re: Installing 2.24.1
> Is there any reason for expecting me to install an unwanted program, in > order to get a program I do want? Or are you trying to force everybody > to use Frescobaldi? Why? The default installation tutorial use Frescobaldi because it's a newcomer-friendly IDE. That doesn't mean we're trying to "force" people to use Frescobaldi. You may use the command line, or Emacs, or VS Code, or whatever way of running an executable. > Well, it doesn't appear to work ... > > Bear in mind I'm running Windows, so I don't want to run lilypond from > the command line. I double-click a .ly file, it runs lilypond, and my > pdf appears (or at least it does, running the old version). That particular workflow however is not supported out of the box anymore, since the distributed artifacts are no longer .exe installers. It might be possible to recreate it, but I don't know if Windows will let you associate a file extension with an arbitrary program or if it only supports associating with a GUI app. In any case, you would need to write a script to redirect the log to a separate file (since the -dgui option has disappeared as well, commit 602c391915). > What I did was open a command shell as administrator, and extracted > lilypond into Program Files. I then opened a .ly file and - nothing > happened! Well, merely extracting a ZIP archive somewhere will just... create files on your computer, that's all. It doesn't change file associations. > Or rather, nothing useful happened. A popup window opened, and > disappeared. No log files, no output, no nothing. > > Okay. Tried to run it the un-windows way of using the command line. > Complete pain in the ass, I'm afraid. And at least I can see the error > messages ... > > D:\Users\Anthony\My Git\music\GBB-Concert\_Grandioso>"c:\Program > Files\lilypond-2.24.3\bin\lilypond.exe" partTromboneB.ly > GNU LilyPond 2.24.3 (running Guile 2.2) > Processing `partTromboneB.ly' > Parsing... > partTromboneB.ly:6:10: error: cannot find file: `voiceTromboneB.ily' > (search path: `c:/Program > Files/lilypond-2.24.3/share/lilypond/2.24.3/ly;c:/Program > Files/lilypond-2.24.3/share/lilypond/2.24.3/ps;c:/Program > Files/lilypond-2.24.3/share/lilypond/2.24.3/scm;c:/Program > Files/lilypond-2.24.3/share/lilypond/2.24.3/fonts/otf/;c:/Program > Files/lilypond-2.24.3/share/lilypond/2.24.3/fonts/svg/;') > \include > "voiceTromboneB.ily" > partTromboneB.ly:23:41: error: unknown escaped string: `\voiceTromboneB' > > \voiceTromboneB > partTromboneB.ly:23:41: error: string outside of text script or \lyricmode > > \voiceTromboneB > > Note: compilation failed and \version outdated, did you > update input syntax with convert-ly? > > > https://lilypond.org/doc/v2.24/Documentation/usage/updating-files-with-convert_002dly > > Interpreting music...[8] > Preprocessing graphical objects... > Finding the ideal number of pages... > Fitting music on 1 page... > Drawing systems... > Converting to `partTromboneB.pdf'... > fatal error: failed files: "partTromboneB.ly" > > D:\Users\Anthony\My Git\music\GBB-Concert\_Grandioso> > > > So it looks like it's searching the program directory for my include > files, and not the current directory where they actually are! Note that > running the older lilypond correctly compiles the file. Is voiceTromboneB.ily really in the *current* directory? Namely D:\Users\Anthony\My Git\music\GBB-Concert\_Grandioso\ (and not, e.g., D:\Users\Anthony\My Git\music\GBB-Concert\)? Note that the search path ends in a ';' which means that there is actually an empty entry at the end, which should search the current directory (in other words, LilyPond is not searching only its internal directories, it's searching both these and the current directory, and that's perfectly normal). signature.asc Description: This is a digitally signed message part
Re: computer compatible
> Is Lilypond compatible with iMac sonoma 14.2? Yes. As written on https://lilypond.org/download.html , current versions of LilyPond are compatible with macOS 10.15 Catalina and higher. signature.asc Description: This is a digitally signed message part
Re: \epsfile and SVG output
> Many thanks for the clarification that this approach will not work and > alternative suggestions. > > I presume that /image will only include PNGs in a SVG output and not EPS (the > documentation reads a little unclearly on this as the section on backends is > elided with comments on coloured backgrounds)? In fact, PNG in \image works in all output formats/backends (it is only if you want transparency that it has limitations, but the default is to add a white background, so there is no limitation in the default settings). > For context I am using SVG output because my display target is a custom IOS > app that uses skia as a backend. SKIA can be used to display SVGs easily > within the context that I am working. SKIA does have a pdf backend but it > isn’t exposed directly by the framework I’m using. > > The reason to use EPS is that I want to bring in vector graphics made in > Inkscape using a graphics tablet. It is a little frustrating that I can’t get > these vector graphics into Lilypond SVG output, as they are basically SVG in > the first place, but from what I understand so far that isn’t possible. Yes, unfortunately the SVG backend isn't as well-developed as the other backends and in particular doesn't support including SVG (which it could easily do). The Cairo backend also supports outputting SVG, but doesn't support including SVG either. > Therefore, if I understand correctly my current options would be: > > - render to pdf and work on a system to render pdfs within the framework I’m > using (this is probably possible, but involves lots of unknowns) > - rasterise the images and display as PNG, thus include the rasterised version > in the SVG (not optimal in terms of file size or speed of render, but > possible) > - work on a system to convert SVG paths to Lilypond/Scheme paths in order to > be able to draw in a vector within Lilypond to any backend. That sounds right. Alternatively, you might be able to add a tag with a specific id using the output-attributes property, then post-process the file to replace the tag with that id with your custom content or something like that. signature.asc Description: This is a digitally signed message part
Re: \epsfile and SVG output
> It would be possible to convert EPS to SVG with pstoedit or via PDF and > Inkscape. Both would avoid rastering vectors into a pixel image. True, but LilyPond so far doesn't support including SVG images either. (It does support \markup \path in SVG though.) signature.asc Description: This is a digitally signed message part
Re: \epsfile and SVG output
> An alternative, if you can use raster graphics, would be a PNG file added > with the \image command. P.S. \image is new in 2.25 https://lilypond.org/doc/v2.25/Documentation/notation/graphical-markup (and I remember now that I wrote down what does and doesn't support EPS in the 2.25 documentation, in the description of \image) signature.asc Description: This is a digitally signed message part
Re: \epsfile and SVG output
> I am trying to include an epsfile as a top-level markup (it is not in > a score) and then output as SVG. You can't (this should indeed be mentioned in the documentation). EPS files are included by basically inlining them into the PS code that LilyPond generates, which is then converted to PDF. In the SVG backend, LilyPond generates SVG code directly and skips \epsfile markups. The Cairo backend is yet another beast but it doesn't support outputting \epsfile other than in PS/EPS output. An alternative, if you can use raster graphics, would be a PNG file added with the \image command. HTH Jean signature.asc Description: This is a digitally signed message part
Re: PianoPedalBracket.to-barline doesn't always work as expected
Le mardi 09 avril 2024 à 23:55 +0200, Maurits Lamers via LilyPond user
discussion a écrit :
> Hey all,
>
> I encountered a situation where the PianoPedalBracket setting to-barline
> doesn't always do what you'd expect. Given the following code, the pedal
> bracket is not extended to the end of the bar:
>
> %%%
>
> \version "2.24.0"
> \score {
> \new Staff {
> \clef bass
> \time 6/8
> \relative c' {
> c8 b a g e c |
> \set Staff.pedalSustainStyle = #'mixed
> \override Staff.PianoPedalBracket.to-barline = ##t
> \repeat tremolo 12 { b,32\sustainOn b' } |
> \repeat tremolo 12 { b,32 b'\sustainOff } |
> c8 e f g a
> }
> }
> }
Correct syntax is
\version "2.24.0"
\score {
\new Staff {
\clef bass
\time 6/8
\relative c' {
c8 b a g e c |
\set Staff.pedalSustainStyle = #'mixed
\override Staff.PianoPedalBracket.to-barline = ##t
\repeat tremolo 12 { b,32\sustainOn b' } |
\repeat tremolo 12 { b,32 b' } |
c8\sustainOff e f g a
}
}
}
The \sustainOff command is placed on the note where you *release*
the pedal. And because LilyPond uses post-fix syntax, it comes just
*after* that note.
Best,
Jean
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Re: Minimize flats or sharps in transposed key signature?
> I'm using \transpose pretty heavily, and I'm running into an issue I don't > quite know how to solve. I'm aware of the \naturalizeMusic hack described > in the LilyPond documentation. I'm looking for something similar, but for > key signatures. This was discussed in the past, for example I posted a solution here: https://lists.gnu.org/archive/html/lilypond-user/2021-04/msg00025.html signature.asc Description: This is a digitally signed message part
Re: nested beaming
Le lundi 08 avril 2024 à 09:22 -0700, Paul Scott a écrit :
> Many years ago I could nest square brackets in Lilypond. How can I write
> this now incorrect code:
>
> a16[[ 16 16] 16[ 16 16]] i.e. two groups of 3 beamed 16th notes joined
> by a single beam.
>
> I have looked at NR 1,2,4
A little bit manual, but you can do
\version "2.24.2"
{
\time 6/8
a'16 16 \set stemRightBeamCount = 1 16 \set stemLeftBeamCount = 1 16 16 16
}
https://lilypond.org/doc/v2.24/Documentation/notation/beams.html#manual-beams
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Re: Get name of music object
> I know how to get the properties from a music object - but how about the name? > I cannot figure out how to get the name from a music object. (ly:music-property the-object 'name) HTH Jean signature.asc Description: This is a digitally signed message part
Re: nested \set ?
> My Lilypond knowledge is small but have you tried the "\unset" command ?? \unset will simply remove the value. Werner is looking for something that resets the previous value. signature.asc Description: This is a digitally signed message part
Re: nested \set ?
Le lundi 25 mars 2024 à 07:31 +, Werner LEMBERG a écrit : > LilyPond provides `\temporary` and `\revert` to set a grob property > temporarily, and afterwards the value of the grob property is the same > as before. > > Is there a similar possiblity for `\set` (or something usable in > Scheme)? I guess not, but I couldn't find this documented > somewhere... No, this doesn't exist OOTB. It could be implemented with a Scheme engraver, but that would probably be overkill, unless for some reason it's really important for what you're trying to do? signature.asc Description: This is a digitally signed message part
Re: \enablePolymeter not working
> https://lilypond.org/doc/v2.23/Documentation/58/lily-fa68165d.ly That's the LilyPond 2.23 documentation. > I am using lilypond 2.22.1 Now you should understand the problem :) signature.asc Description: This is a digitally signed message part
Re: Time measurement
> Hi Jean, > > As always… remarkable. > > One question: How hard would it be to have this output more precise > timings (e.g., 1/4 or 1/10th or 1/100th of a second, or SMPTE timecode > in minutes:seconds:frames)? I could imagine this being *very* useful > for film/video/media composers. To get 2-digit precision on the number of seconds, you can simply replace (format #f "~as" (round rest)) with (format #f "~,2fs" rest) in the format-time function. For seconds:frames at 24 frames/second, replace format-time with (define (format-time seconds) (let* ((minutes (euclidean-quotient seconds 60)) (rest (euclidean-remainder seconds 60)) (seconds (euclidean-quotient rest 1)) (rest (euclidean-remainder rest 1))) (string-append (if (zero? minutes) "" (format #f "~a:" minutes)) (format #f "~a:~a" seconds (round (* rest 24)) Best, Jean signature.asc Description: This is a digitally signed message part
Re: Time measurement
> “This sounds like a job for… Custom Engraver!!” :)
\version "2.24.2"
#(define (Custom_engraver!! context)
(define (format-time seconds)
(let ((minutes (euclidean-quotient seconds 60))
(rest (euclidean-remainder seconds 60)))
(string-append (if (zero? minutes) "" (format #f "~am" minutes))
(format #f "~as" (round rest)
(let ((wholes-per-minute 15)
(last-time ZERO-MOMENT)
(total-time 0)
(marks '()))
(make-engraver
((process-music engraver)
(let* ((new-time (ly:context-current-moment context))
(time-delta (ly:moment-main (ly:moment-sub new-time last-time)))
(new-wholes-per-minute
(and=> (ly:context-property context 'tempoWholesPerMinute #f)
ly:moment-main)))
(set! total-time
(+ total-time (* 60 (/ time-delta wholes-per-minute
(set! last-time new-time)
(when new-wholes-per-minute
(set! wholes-per-minute new-wholes-per-minute
(acknowledgers
((text-mark-interface engraver grob source-engraver)
(set! marks (cons grob marks
((process-acknowledged engraver)
(for-each (lambda (grob)
(when (assq-ref (ly:grob-property grob 'details) 'time-mark)
(ly:grob-set-property! grob 'text (format-time
total-time
marks)
(set! marks '())
\layout {
\context {
\Score
\consists #Custom_engraver!!
}
}
timeMark = \tweak details.time-mark ##t \tweak color "red" \textEndMark
"Abracadabra"
{
c'1
\timeMark
\tempo 4 = 120
c'4 8. 16 2
\timeMark
\tempo 4 = 180
c'2 2
\timeMark
\repeat unfold 180 c'4
\timeMark
}
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Re: Question regarding ChordNames
> Mahalo, X. I am using the naturalizeMusic function and will look into
> extending that. Maybe that has some nuggets to mine.
`\naturalizeMusic` is not going to work well on `\chordmode` music (it will
destroy the interval in chords, leading to wrong chord names), but you can use
code like this instead:
```
\version "2.24.2"
enharmonization = { c cis d ees e f fis g gis a bes b }
converter = #(make-semitone->pitch (music-pitches enharmonization))
\layout {
\set ChordNames.chordRootNamer =
#(lambda (pitch lowercase)
(note-name->markup (converter (ly:pitch-semitones pitch)) lowercase))
}
bflat = \chordmode { cis dis e fis gis a bis cis bes }
\transpose cis' a {
\new ChordNames { \bflat }
}
```
Best,
Jean
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Re: Omit TupletNumber problem
> I cannot figure out how to revert or reverse "\omit TupletNumber". \undo \omit TupletNumber Best, Jean signature.asc Description: This is a digitally signed message part
Re: Control breaks in staff that I get from a variable?
Le dimanche 10 mars 2024 à 18:33 +, Werner LEMBERG a écrit : > > Can you provide some additional sentence or sentences for the > documentation so that we have something to start with? See also https://gitlab.com/lilypond/lilypond/-/issues/6439 signature.asc Description: This is a digitally signed message part
Re: search and replace on all included files on compile
Try
```
\version "2.24.2"
\paper {
#(add-text-replacements!
'(("1↑" . "1")))
}
{ c'^\markup "1↑" }
```
Best,
Jean
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Re: installation
Le vendredi 01 mars 2024 à 16:21 -0800, carsonm...@ca.rr.com a écrit : > Went to \users\Mark\lilypond 2.24.3\gs The program you should add is ...\lilypond(.exe), not ...\gs. signature.asc Description: This is a digitally signed message part
Re: slur into a repeat volta 2 section
Just replace `4\repeatTie` with `4`? signature.asc Description: This is a digitally signed message part
Re: Music generated by function confuses relative pitch
Hi Morten,
Le jeudi 22 février 2024 à 23:00 +0100, Morten Lemvigh a écrit :
> \version "2.24.1"
>
> double =
> #(define-music-function (music)(ly:music?)
> (let ((notes (ly:music-property music 'elements)))
> (make-music 'SequentialMusic
> 'elements
> (list
> (make-music 'SequentialMusic
> 'elements notes)
> (make-music 'SequentialMusic
> 'elements notes)
>
> \relative c' {
> \double {e4 e}
> }
Several things are wrong here.
First, although you are unwrapping `music`, you are not copying the individual
elements of `notes`. They end up duplicated in the output. This should never
happen, because music objects are mutable. \relative is in fact a good example
of this, but perhaps a simpler one is \scaleDurations: try
\scaleDurations 1/2 \double { e'1 1 }
and you will see that the whole notes are scaled by 1/4 instead of 1/2. The
reason
is that calling [note1] and [note2] the two note objects, you end up with
[note1] [note2] [note1] [note2]
and when \scaleDurations goes through the music and scales it, since [note1]
and [note2] both appear twice, they get scaled twice.
That's the reason you should always copy music with ly:music-deep-copy
or an equivalent if you need it to appear in several places.
In your example
\relative c' {
\double {e4 e}
}
what happens is the following: \relative changes the first e4 into an absolute
e'4, to match the octave of c' . Then the second e is changed to e'4 as well,
to have the same octave as the first. Then the third e is processed, but it's
actually the same object as the first e4, which was mutated into e'4, so this
tells \relative to go an octave higher, and that e'4 is mutated a second time
into an e''4. And finally, the fourth e is processed, it's the same as the
second
e which was turned into e', which goes an octave up, so it becomes e'''.
And that's why the end result is e''4 e''' e''4 e'''.
So this is already a better version:
double =
#(define-music-function (music)(ly:music?)
(make-music 'SequentialMusic
'elements (list (ly:music-deep-copy music)
(ly:music-deep-copy music
or more simply put:
double =
#(define-music-function (music)(ly:music?)
#{ $music $music #})
but in fact this is still not correct because \relative is a somewhat
special beast. The problem is that
\relative c' {
\double {e'4 e}
}
now unfolds to
\relative c' {
{ e'4 e e'4 e }
}
where the third e'4 goes an octave up compared to the second, but you
don't want that, you want it to be the same as the first e'4. For that
case, there is a special macro called make-relative. It's used like this:
\version "2.24.1"
double =
#(define-music-function (music) (ly:music?)
(make-relative (music) music
#{ $music $music #}))
Best,
Jean
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Re: Position coordinates fail
> Do you know how I can solve this problem? Consider that I have no error > messages. We'll need an example where it fails. Preferably [tiny](https://lilypond.org/tiny-examples.html), but your full score (if you can share it) would work too. Best, Jean signature.asc Description: This is a digitally signed message part
Re: 5th anniversary conference? :)
> I was just waxing nostalgic about that fabulous Salzburg conference in 2020, > and noted that in Jan 2025 — just under a year from now! — it will have been > five years since we got together, talked music/notation, and raised [more > than] a few pints together. > > Any chance for a repeat? :) Would be great. Count me as "will try to come if it gets organized". Cheers, Jean signature.asc Description: This is a digitally signed message part
Re: Control breaks in staff that I get from a variable?
> As some of us know, this does not work:
>
> <<
> \staffIGot
> { s1*5 \break }
> >>
>
> It introduces an extra staff. Not wanted.
The classic fix is
<<
\new Devnull { s1*5 \break }
\staffIGot
>>
Best,
Jean
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Re: Texinfo documentation.
> I have recently upgraded from 2.22.2 to 2.24.3. However, as I only use > LTS distributions of ubuntu, I had to download the tar.gz package. No > problem. But how may I obtain the documentation in texinfo format for > use with emacs? In fact, looking through the archive, it does not > appear that there is any documentation at all! Documentation is in a separate tarball, since most people don't want to download it. https://lilypond.org/all.html signature.asc Description: This is a digitally signed message part
Re: Score overruns page. Bug or something I did?
It's not a bug — by default, LilyPond forbids line breaks on a bar line when
there are notes straddling on that bar line. You can change this with
```
\layout {
\context {
\Voice
\remove Forbid_line_break_engraver
}
}
```
Best,
Jean
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Re: Duration shortcut not working for rests
> Am I misunderstanding something, or is this a bug? Since the "r4" at the
> start of the second measure is fully qualified, I was expecting the "4"s that
> follow it to be quarter rests as well, but I'm seeing "c"s in the rendered
> output.
>
> ```
> \version "2.25.6"
>
> {
> c'4 r r r
> % The middle 4s are "c"s instead of rests
> | r4 4 4 b
> }
> ```
It's on purpose (even though I tend to agree that it is a bit quirky). One
reason is to simplify the writing of percussion lines, where the same drum name
is often repeated over and over, mixed with rests.
Best,
Jean
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Re: How to
Try ``` #(define (should-not-print-arranger layout props) (equal? "" (chain-assoc-get 'header:arranger props))) ``` For one thing, `'header:arranger` just gives a [symbol](https://extending-lilypond.gitlab.io/en/scheme/quoting.html), it doesn't look up the arranger. A symbol is never equal to a string. For another, `eq?` is the wrong test; it checks [object identity](https://extending-lilypond.gitlab.io/en/scheme/quoting.html#identity-of-symbols) but you could have two empty strings which are equal but not the same object (unlike symbols). The links should provide more information. Best, Jean signature.asc Description: This is a digitally signed message part
Re: PDF Bookmarks
There is a known bug when combining `\tocItem` and `\bookpart`. See [issue #6355](https://gitlab.com/lilypond/lilypond/-/issues/6355). I've just posted a workaround on the issue. signature.asc Description: This is a digitally signed message part
Re: Numérotation des versets
Try the code here? https://lists.gnu.org/archive/html/lilypond-user/2022-04/msg00036.html Best, Jean signature.asc Description: This is a digitally signed message part
Re: Numérotation des versets
Hello, This is the English-speaking list. You probably meant to send this to the French forum, user-fr@lilypond.community .
Re: zero-duration s to hold marks
Raphael: > That strikes me as being a programmer's response, and I speak as a > programmer for over 50 years. Using <> works, but it is unintuitive. If > s0 is more intuitive then that should be considered for future inclusion. s1*0 works and is more or less equivalent to <> . John: > The second is for putting a mark, eg a coda, at the very end of a measure, > over the barline (not over the last note, or the first note of the next > measure). For that, see \repeat segno, or if your use case doesn't fit the possibilities of \repeat segno, use \codaMark. http://lilypond.org/doc/v2.24/Documentation/notation/long-repeats.html#segno-repeat-structure For arbitrary markup use \textMark or \textEndMark. http://lilypond.org/doc/v2.24/Documentation/notation/writing-text.html#text-marks signature.asc Description: This is a digitally signed message part
Re: Question about \include options
Le lundi 08 janvier 2024 à 12:04 -1000, John Helly a écrit : > My default search engine is Google but I've also tried DuckDuckGo and Bing > with similar, but different, results. So, this problem falls into a use-case > that I usually call 'the completeness and consistency of a search'. Is there an analogue of Gödel's theorem for search engines? > IMHO, one 'simple' way around this would be to have a complete index somewhere > in the Documentation tree. This? https://lilypond.org/doc/v2.24/Documentation/notation/lilypond-index Ok, these specific terms are missing but it goes a long way already. signature.asc Description: This is a digitally signed message part
Re: Question about \include options
> If you do a web search for > > lilypond "#f" > > is the very first hit not sufficiently helpful? In defense of the OP, the first hit for me on Qwant is http://lilypond.org/doc/v2.25/Documentation/usage/advanced-command_002dline-options-for-lilypond which would not be exactly helpful if I were learning the basics of LilyPond :( And this is Google's first hit: https://lilypond.org/doc/v2.23/Documentation/snippets/tweaks-and-overrides.fr.html A pity, since this is clearly explained on https://lilypond.org/doc/v2.24/Documentation/learning/types-of-properties.html signature.asc Description: This is a digitally signed message part
Re: Output PDF to stdout
This doesn't exist, sorry. It wouldn't be *that* straightforward to implement, because there are multiple code paths for output (GhostScript via API, GhostScript via subprocess, SVG backend and Cairo). I'm not even sure that direct PDF output in GhostScript's PS → PDF conversion is not going through an intermediate file under the hood. Either way, I really doubt this would make a significant speed difference. signature.asc Description: This is a digitally signed message part
Re: Tweak Slur Position or Priority
You've mistyped "positions" as "position" (hence the warning “cannot find the property type-check…”). signature.asc Description: This is a digitally signed message part
Re: How to put a big number in the upper left or right corner of a score?
Hi,
> Thank you Jean. I just now wanted to apply your tip, but it's not quite what
> I expected. If I copy your script litterally, the number overlaps with the
> \header (piece title, composer etc.). If I delete the \with-outline the
> overlap is gone, but the number appears below the header, but I would like it
> in the TOP corner, above the header. Is that possible?
Sorry for the very late reply. It's best to reply to the list also, this shares
the burden of helping (I've added back in CC).
You could increase the distance from the top of the page to the header, as in,
e.g.,
```
\version "2.24.2"
\paper {
top-markup-spacing.minimum-distance = 10
}
\header {
title = "ABC"
}
{ c' }
```
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Re: Why has `NonMusicalPaperColumn` a width?
> I fully agree. However, what I don't understand is why a zero-width > non-musical paper column has a non-zero ideal spring distance. > Additionally, this 0.5 value is hard-coded and undocumented, > apparently present in the code since the very beginning. Well, it's not zero-width, since it contains the rehearsal mark. I do agree that the hardcoded 0.5 in `spacing-basic.cc` is suboptimal. signature.asc Description: This is a digitally signed message part
Re: Why has `NonMusicalPaperColumn` a width?
> it's the minimum distance to the last Correction: the *ideal* distance signature.asc Description: This is a digitally signed message part
Re: Why has `NonMusicalPaperColumn` a width?
> Why does the `NonMusicalPaperColumn` grob have a width of 0.5 units? Where it > is defined? Are you referring to the blue arrow from the second-to-last non-musical column to the last rest? That's not a width, it's the minimum distance to the last rest's musical column. Also, why would non-musical columns have no width in general? Since they're containers, is it not logical for them to have the same width as the set of grobs they contain? signature.asc Description: This is a digitally signed message part
Re: Lilypond on Fedora 38 "mostly broken"
This is not https://bugzilla.redhat.com/show_bug.cgi?id=2208744 but rather https://bugzilla.redhat.com/show_bug.cgi?id=2253842 , which is being fixed. The updates are in the "Testing" repositories. See https://bugzilla.redhat.com/show_bug.cgi?id=2253842#c3 for how to install the update on Fedora 38. signature.asc Description: This is a digitally signed message part
Re: error I can’t figure out
See https://lists.gnu.org/archive/html/lilypond-user/2023-11/msg00152.html signature.asc Description: This is a digitally signed message part
Re: property-defaults.fonts not working
> What is the minimum x for it to work as documented? It's 6. See https://gitlab.com/lilypond/lilypond/-/commit/1346d30d183e38cb693c7d61f2ac76785130e449
Re: property-defaults.fonts not working
What's the exact value of x in 2.25.x?
Re: Running a system command from within Lilypond [Solved]
> I am on version Frescobaldi 3.2 and Lilypond 2.22.1 and do not appear > to have that option. At least, I have not found it. Anyway, I have > "automatic engraving" on. It's in Edit > Preferences > LilyPond Preferences > Running LilyPond > Save document if possible, but I don't think it's going to auto-save when the engraving job is triggered by automatic engraving, unfortunately. signature.asc Description: This is a digitally signed message part
Re: Running a system command from within Lilypond [Solved]
> [Later] The error I am getting now is: > Processing `/tmp/frescobaldi-duowk0s5/tmpz726e77a/testGit.ly' > Parsing...fatal: not a git repository (or any of the parent > directories): .git If the path is in `/tmp/`, it means that you did not save your file before compiling, so Frescobaldi put the contents of the current editing window in a temporay file and compiled that. If you simply remember to always save before compiling (or turn on save-on-compile in the preferences), Frescobaldi will compile your file with the directory where it's saved as the current directory. If that's inside a Git repository, `git` commands should work. signature.asc Description: This is a digitally signed message part
Re: Running a system command from within Lilypond
> I keep my Lilypond files in a git repository. I would like to > interpolate the repo's version number in the Lilypond output by running > a command like "git log|head -1". I can do this from raw Scheme using > the system() function, but this does not seem to work in Lilypond. How does it fail? It should definitely work. It will just not capture the output. See [LSR 567](https://lsr.di.unimi.it/LSR/Item?id=567) for a snippet that uses `open-pipe*` from `(ice-9 popen)` to achive essentially the same need as yours. > I realise that being able to do so opens up a massive security hole, but that > is not a problem here. LilyPond does not attempt to securely compile the file if it untrusted. (There used to exist a `-dsafe` option, but it was found to be irreparably broken, and got removed.) signature.asc Description: This is a digitally signed message part
Re: Changes to Notename - lost some functionality
> There's may be one extra paren in there because it threw a syntax error. Yes, sorry. > Is that a proper fix, or is something else wrong? I wouldn't call it a “proper” fix because it's a bit too dependent on details that can easily change (specifically, whether the default `NoteName` text is a markup that `markup->string` works well on). That's why I recommend `noteNameFunction` instead, it's also simpler. signature.asc Description: This is a digitally signed message part
Re: Changes to Notename - lost some functionality
This code is too big for me to digest it, but the basic problem is that
```
(let* ((default-name (ly:grob-property grob 'text))
(new-name (assoc-get default-name newnames)))
```
is doing a lookup in your `newnames` alist with the value of `text` as the key.
In more recent versions, `text` is not a string but a full markup, which you
can see if you add `(display default-name)`. So the lookup fails, `assoc-get`
returns false (`#f`), and you set the grob's text to false, which leads to a
warning because false isn't a markup.
The quick fix here is to change
```
(let* ((default-name (ly:grob-property grob 'text)))
```
to
```
(let* ((default-name (markup->string (ly:grob-property grob 'text
```
in order to first get an approximate string representation of that markup that
corresponds to the keys in your alist.
But instead of this fragile method of changing note names, it would be a lot
better to write a custom `noteNameFunction`, e.g.,
```
\version "2.24.2"
\new NoteNames {
\set noteNameFunction =
#(lambda (pitch context)
;; Write logic to compute the note name from `pitch` as a markup.
"TODO")
c' d' e'
}
```
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Re: Continuation slur and key signature with many sharps
See [issue #6639](https://gitlab.com/lilypond/lilypond/-/issues/6639). signature.asc Description: This is a digitally signed message part
Re: lilypond "preprocessor"?
> One thing occurred to me. If the original \score did not have a \midi > block, would it be possible to ask lilypond to produce midi output > without modifying the input file? No, this is not currently possible, although it would be a nice addition. signature.asc Description: This is a digitally signed message part
Re: lilypond "preprocessor"?
> If I can find a way to append to the input file, I can probably get rid > of that scraping/parsing code completely. I came across -dread-file- > list. If I understand I would need to create a file: > > ``` > $ cat list-of-files.txt > first.ly > song.ly > last.ly > ``` > > And then > > ``` > lilypond -dread-file-list list-of-files.txt > ``` > > However, this doesn't join all the files into one long file. It > processes each file on it's own. > > Right now I can do > > ``` > cat first.ly second.ly third.ly > out.ly > lilypond out.ly > ``` > > But it's not portable. I'd have to do the equivalent in python if > there's no way to do it with lilypond. Not sure I understand the need, why do you need to append at the end, as opposed to prepending with -dinclude-settings? (There is no equivalent of -dinclude-settings to append.) signature.asc Description: This is a digitally signed message part
Re: lilypond "preprocessor"?
> There is a case where I want to create a narrower page for a narrower
> screen. I can easily append a /paper {} block to the original file to
> do this. However, any manual breaks will probably not work at this
> newer width. How would you recommend dealing with this?
Put
```
break = {}
pageBreak = {}
```
in the `-dinclude-settings` file?
> I don't disagree. It would be great if lilypond had an option to
> unfold everything, but I suspect that it's hard to do?
In fact, I realized it's already possible.
You can put
```
#(set! toplevel-music-functions (cons unfoldRepeats toplevel-music-functions))
```
in `-dinclude-settings`.
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Re: lilypond "preprocessor"?
> We need a copy so we can introduce the space time dumper code which
> boils down to a simple /include statement at the very top of the file.
You can do that via the `-dinclude-settings` option instead.
> It looks like ly2video also removes any \break, \noBreak, and
> \pageBreak it finds in the input.
I don't understand why it needs to do this. `\break` and `\pageBreak` are
ignored with `#ly:one-line-breaking` anyway.
> > Normally, you'd spell out the \unfoldRepeats and stuff in the input
> > file directly.
>
> I don't think the user should do this. What I mean is that it's not
> user friendly.
ly2video or not, you need to unfold repeats as soon as you want correct MIDI
output. I agree that requiring to do it explicitly is not very user-friendly,
but auto-adding `\unfoldRepeats` sounds like solving the problem at the wrong
level. Also, what ly2video does is not always correct since `\score { \midi {
... } \music }` is valid but `\score { \unfoldRepeats \midi { ... } \music }`
is not — it would need to be `\score { \midi { ... } \unfoldRepeats \music }`.
Lastly, I'm not sure why ly2video wants to parse the header block but the
`--header` option may help.
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Re: ly:set-option png backend broken?
> Is there any way to produce png output without --png in the command? No, sorry. signature.asc Description: This is a digitally signed message part
