Re: how offsets and alignment works: an explanation

[Trevor Daniels]

Janek Warchoł wrote Sunday, March 24, 2013 10:56 PM

 On Sat, Mar 23, 2013 at 7:13 PM, Trevor Daniels t.dani...@treda.co.uk wrote:
 The Notation Reference is a _reference_ document.  It is intended to
 remind users of information which they already understand.  Explanations
 belong either in the Learning Manual, the Extensions Manual or the
 Contributor's Guide.
 
 I think that each manual needs some info about offsets and alignment:
 - Learning should give all users an idea of what's going on,

Maybe this material is a little too advanced for the users expected to
read the LM, unless a new chapter entitled Advanced concepts or
some such were added.

 - Notation should list all knobs and switches

No.  The Internals manual is the place for this as it is automatically
updated from the code.  Trying to replicate this manually is going to
lead to the information getting out of date.  Wrong information is worse
than no information.

 - Extending should say how to override placement and handle callbacks,
 - CG should make it clean how a programmer is supposed to interact with these.

I'd be fine with these.

Trevor
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Re: how offsets and alignment works: an explanation

[Wim van Dommelen]

It of course depends on how large you want the dot and what other  
flexibility you want/need. But with a regular '.' (or any character- 
string) you could easily do this without special function code needed:


\version 2.16.0

dotcolor = #red
smalldotmark = \markup{\bold \with-color \dotcolor . }
largedotmark = \markup{\scale #'(5 . 5) \bold \with-color \dotcolor  
. }


{
c'1^\smalldotmark
c''^\largedotmark
}

Regards,
Wim.




On 25 Mar 2013, at 02:10 , luis jure wrote:



on 2013-03-24 at 23:56 Janek Warchoł wrote:


Could i ask you to write a function that would print a red dot on top
of a grob's refpoint?  (the image i've attached was made with GIMP,
and it would be better to have it in lily code.


hey, i was trying to find somewhere in the docs how to get those red  
dots,
because they would be really handy sometimes... i thought it was one  
of

the many advanced features of lilypond that i never got to learn...


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Re: frescobaldi on mac

[Derek]

I am trying to get frescobaldi to run. I have it installed and it loads
except I get the could not load poplarqt4 module Anyone know of a fix for
this?

Thank you




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Re: frescobaldi on mac

[flup2]

Hello,

Did you install all the dependencies? If that message shows in the Preview
window of frescobaldi, it seems that the python-poppler-qt4 module is not
installed.

Unlike other dependencies, it's not available via macports or homebrew. You
have to download it here and fellow the instructions to install it: 
https://code.google.com/p/python-poppler-qt4/
https://code.google.com/p/python-poppler-qt4/   (choose the 0.16.3
version)

Once unpacked on your computer, you'll have to use the Terminal to go to the
python-poppler-qt4 folder and type those 2 commands:
python setup.py build
sudo python setup.py install

Philippe



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Re: how offsets and alignment works: an explanation

[Urs Liska]

Am 24.03.2013 23:56, schrieb Janek Warchoł:

Hi all,

...


On Sun, Mar 24, 2013 at 3:02 AM, Thomas Morley
thomasmorle...@googlemail.com wrote:

this is great!!
I've never read a better explanation of x_aligned_on_self and
aligned_on_x_parent.

thanks! :)

Could i ask you to write a function that would print a red dot on top
of a grob's refpoint?  (the image i've attached was made with GIMP,
and it would be better to have it in lily code.  I'm sure this would
be simple for you.)



Such a function would definitely be a good accompaniment to 
\displayControlPoints in OLLib.

We shouldn't forget that

Urs

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extending event-listener.ly

[luis jure]

hello list,

i have just discovered that you can save music events to a file with
event-listener.ly. this is an incredible feature for what i'm trying to
do, that is generate csound scores from lilypond files. i managed to do
that from the midi file generated by lilypond, using a very simple python
program. but much information is lost. using the text file generated by
event-listener would be much better, since i could manage dynamics and
articulations.

i'm only beginning to explore its possibilities, but one event i miss is
\parenthesize. the manual says:

If some events that you want to see are not included, copy
‘event-listener.ly’ into your lilypond directory and modify the file so
that it outputs the information you want.

i looked at event-listener.ly, but i'm afraid it's way over my head. i can
hardly manage some basic python, for me scheme is undecipherable. 

could anyone give me a hint how to modify event-listener.ly to recognize
parenthesized notes?

any help would be greatly appreciated.

best,

lj

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Problem with lilypond-mode in emacs

[Ralph Palmer]

Greetings -

I'm running LilyPond 2.16.2 under Windows 7, SP1.

I've copied the *.el files from lilypond\..\site-lisp to
\emacs\emacs-24.3\site-lisp
and I've set the PATH and HOME variables so that I think emacs is finding
lilypond-mode.el, but when I open emacs and type M-x lilypond-mode, I get
[no match]. When I drag-and-drop an .ly file onto the open emacs buffer, I
get Symbol's function definition is void: lilypond-mode.

I would greatly appreciate help from an experienced Windows emacs lilypond
user to get this straightened out. I've used emacs under Ubuntu, with no
problems, and I really like it.

I appreciate your time and attention,

Ralph

-- 
Ralph Palmer
Brattleboro, VT
USA
palmer.r.vio...@gmail.com
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default margins and lilypond-book

[Jeremy Boor]

I'm trying to wrestle lilypond-book into making a songbook (while
realizing that's in intended [and better] for musicological
documents).

Can someone direct me to a list of default lilypond values for
margins? My goal is to tweak the margins in the laTex source file so
that they approximate lilypond's look in the final output.

I've tried finding out by setting annotate-spacing = ##t, but
everything is too close together and I can't read it.

Thanks!

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Re: default margins and lilypond-book

[Urs Liska]

Am 25.03.2013 14:11, schrieb Jeremy Boor:

I'm trying to wrestle lilypond-book into making a songbook (while
realizing that's in intended [and better] for musicological
documents).

Can someone direct me to a list of default lilypond values for
margins? My goal is to tweak the margins in the laTex source file so
that they approximate lilypond's look in the final output.

I've tried finding out by setting annotate-spacing = ##t, but
everything is too close together and I can't read it.

Thanks!

I have to admit that last time I had to do this I used a wooden ruler ;-)

How do your scores look like? are they non-fullpage? Otherwise you could 
include the finished scores through \includepdf much easier (but you 
surely know that).
And is your intention to keep the lilypond source inside the LaTeX 
document? If that's not explicitely wanted you may have a look at my 
'musicexamples' package.

Overview: http://www.openlilylib.org/?/musicexamples/
The links to the project page and download on SourceForge is currently 
broken, but the manual and the sample document are there.


HTH
Urs

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Re:default margins and lilypond-book

[Jeremy Boor]

Urs,

Actually, I didn't know about \includepdf. I use LaTex for papers and
things, but I'm no guru. I'll check out \includepdf.

My interest in using lilypond-book is mostly a result of my needing to
include front-matter (especially TOC) in the finished product. The
scores are complete scores of folk songs (vocal line and
chord-diagrams) that are 1-3 pages long. I use \lilypondfile to get
them into LaTex.

I'll try \includepdf, but the main thing is that I need TOC entries
for each piece.

I expect to be doing more books like this and I'd rather have a solid
lilypond/latex system than go trying to learn scribus or something.

For this project, my stop-gap measure has been to make the TOC
separately in LaTex (manually entering page numbers from my lilypond
output) then tacking the pdf's together with pdfjam.  It winds up like
this:
http://jboor.net/roz/book/bookRozTOC2.pdf

This is fine, but if I later do one that requires an afterword or
introductions to each piece, I'll need to be able to switch back and
forth between LaTex and lilypond while keeping page-numbering
consistent.

Thanks for your quick response.
-Jeremy

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Re: Problem with lilypond-mode in emacs

[Beda Szukics]

Greetings

Am 25.03.2013 14:09, schrieb Ralph Palmer:
 Greetings -
 
 I'm running LilyPond 2.16.2 under Windows 7, SP1.
 
 I've copied the *.el files from lilypond\..\site-lisp to
 \emacs\emacs-24.3\site-lisp

I did the same (exept that I created a neu subdirectory
site-lisp\lilypond\).

 and I've set the PATH and HOME variables so that I think emacs is
 finding lilypond-mode.el, but when I open emacs and type M-x
 lilypond-mode, I get [no match]. When I drag-and-drop an .ly file onto
 the open emacs buffer, I get Symbol's function definition is void:
 lilypond-mode.
 
 I would greatly appreciate help from an experienced Windows emacs
 lilypond user to get this straightened out. I've used emacs under
 Ubuntu, with no problems, and I really like it.

I appended the following to my ~/.emacs:

(autoload 'LilyPond-mode lilypond-mode)
(setq auto-mode-alist
  (cons '(\\.ly$ . LilyPond-mode) auto-mode-alist))

(add-hook 'LilyPond-mode-hook (lambda () (turn-on-font-lock)))

If I open a .ly-file or create a new one, the emacs switches into the
Lilypond mode (witch I can turn off with Mx LilyPond-mode.

Hope that helps.

(I can't switch the pdf-viewer to SumatraPDF -- but that's an other
problem.)

Beda


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Re: extending event-listener.ly

[Graham Percival]

On Mon, Mar 25, 2013 at 08:58:09AM -0300, luis jure wrote:
 i looked at event-listener.ly, but i'm afraid it's way over my head. i can
 hardly manage some basic python, for me scheme is undecipherable. 
 
 could anyone give me a hint how to modify event-listener.ly to recognize
 parenthesized notes?

Unfortunately you'll need some scheme knowledge, but if you can
get the general idea of the below function then you should be
fine:

#(define (format-note engraver event)
   (let* ((origin (ly:input-file-line-char-column
   (ly:event-property event 'origin
 (print-line engraver
 note
 ;; get a MIDI pitch value.
 (+ 60 (ly:pitch-semitones
(ly:event-property event 'pitch)))
 (ly:duration-string
  (ly:event-property event 'duration))
 (format-moment (ly:duration-length
 (ly:event-property event
'duration)))
 ;; point and click info
 (ly:format point-and-click ~a ~a
(caddr origin)
(cadr origin)

The important bit is the (print-line ...) function.  It has a
number of arguments:
  - engraver
  - note
  - a MIDI pitch value
  - a duration (like 4.)
  - a duration (like 1.25)
  - point-and-click info

To add \parenthesize, you need to create a similar function or
extend that original one to deal with those events.  To see the
events, try:

\displayMusic { c'4 \parenthesize d' e }

oh, it looks like \parenthesize is an option to a note, rather
than a separate event:
...
(make-music
  'NoteEvent
  'parenthesize
  #t
  'duration
  (ly:make-duration 2 0 1)
  'pitch
  (ly:make-pitch 0 1 0))
...


In that case, you need to add another argument to the
(print-line...) function to indicate whether the note is
parenthesized or not.  That requires a bunch more scheme, but this
should be enough hints for you to start reading the lilypond
scheme tutorial and the Extending manual.

A simple binary field would be enough for your personal use, but
it would be nice to have a more general approach in case people
want to add more options for notes.  Don't worry about this
general approach (required for accepted patches into mainstream
lilypond) right now; first just get the basics working for your
particular purpose.

- Graham

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Re: frescobaldi on mac

[Derek]

Thanks for that. Yes it shows up in the module window. I have tried to
install using the commands you have posted but I always get a fatal error,
sorry not in from of my computer but it is something to do with #include
qt/something.sip not being at the correct path. It happens with the first
command you listed. Thanks for that help, it is appreciated.



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Re: frescobaldi on mac

[flup2]

Perhaps the reason is elsewhere, but your kind of error is what occurs when
the python command use the built-in version of python, not the one installed
by macports (or homebrew).

If you installed python via macports, you could use this (always from
python-poppler-st4 folder):

/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
setup.py build
sudo
/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
setup.py install

If it doesn't work, could you copy the text from the terminal ?



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Re: extending event-listener.ly

[luis jure]

on 2013-03-25 at 09:29 Graham Percival wrote:

 Unfortunately you'll need some scheme knowledge, but if you can
 get the general idea of the below function then you should be
 fine:

thanks for the thorough explanation, graham, you just ruined my easter
holidays... ;-)

first i need to finish hacking my python code to get a nice csound score
from the event-listener.ly output as is, and then i'll try to tackle this
other problem. it might take some time, but i didn't have anything to do
in easter anyway...

best,


lj

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Re: extending event-listener.ly

[Phil Hézaine]

Le 25/03/2013 17:29, Graham Percival a écrit :

On Mon, Mar 25, 2013 at 08:58:09AM -0300, luis jure wrote:

i looked at event-listener.ly, but i'm afraid it's way over my head. i can
hardly manage some basic python, for me scheme is undecipherable.

could anyone give me a hint how to modify event-listener.ly to recognize
parenthesized notes?


Unfortunately you'll need some scheme knowledge, but if you can
get the general idea of the below function then you should be
fine:

#(define (format-note engraver event)
(let* ((origin (ly:input-file-line-char-column
(ly:event-property event 'origin
  (print-line engraver
  note
  ;; get a MIDI pitch value.
  (+ 60 (ly:pitch-semitones
 (ly:event-property event 'pitch)))
  (ly:duration-string
   (ly:event-property event 'duration))
  (format-moment (ly:duration-length
  (ly:event-property event
'duration)))
  ;; point and click info
  (ly:format point-and-click ~a ~a
 (caddr origin)
 (cadr origin)

The important bit is the (print-line ...) function.  It has a
number of arguments:
   - engraver
   - note
   - a MIDI pitch value
   - a duration (like 4.)
   - a duration (like 1.25)
   - point-and-click info

To add \parenthesize, you need to create a similar function or
extend that original one to deal with those events.  To see the
events, try:

\displayMusic { c'4 \parenthesize d' e }

oh, it looks like \parenthesize is an option to a note, rather
than a separate event:
...
 (make-music
   'NoteEvent
   'parenthesize
   #t
   'duration
   (ly:make-duration 2 0 1)
   'pitch
   (ly:make-pitch 0 1 0))
...


In that case, you need to add another argument to the
(print-line...) function to indicate whether the note is
parenthesized or not.  That requires a bunch more scheme, but this
should be enough hints for you to start reading the lilypond
scheme tutorial and the Extending manual.

A simple binary field would be enough for your personal use, but
it would be nice to have a more general approach in case people
want to add more options for notes.  Don't worry about this
general approach (required for accepted patches into mainstream
lilypond) right now; first just get the basics working for your
particular purpose.

- Graham



Hi,
Today, after the same discovery I was wondering the same question than 
Luis but for drum-types (in \drummode, ie: sna, wbl... )
N.R. says: Not all lilypond music events are supported by 
‘event-listener.ly’.

Is it possible to 'listen' the drums symbols?
Any hints will be appreciated.
Phil.

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Lyrics interfere with volta?

[Colin Campbell]

 not top posting
I'm setting a vocal piece containing a simple repeat. The code below shows
problems with prematurely ending a volta, but only if the Lyrics block is
included. I've trimmed the live version down to this:
%-
\version 2.17.14
\language english

\header {
  title = Lyric volta bug
}


  \new Staff  {
\new Voice = sop {
  \repeat volta 2 { ef'1 }
  \alternative {
{ r2 r4 r8 bf8  }
{ r2 r4 r8 bf8  }
  }
  ef'4-. r4 r2
}
  }
  
  \new Lyrics { \lyricsto sop { 
\repeat volta 2 { gu. }
\alternative {
  {  Mun -- }
  {  Mun -- }
}
gu.
}
  }

%-

I believe I've read the Known Issues on ties, slurs and grace notes but this
seems too simple for any of those. If RTFM is indeed the answer, my pride will
gratefully take second place to my sanity!

Cheers,
Colin



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Re: extending event-listener.ly

[luis jure]

on 2013-03-25 at 22:05 Phil Hézaine wrote:

 Today, after the same discovery I was wondering the same question than 
 Luis but for drum-types (in \drummode, ie: sna, wbl... )

funny, i was intending to use it for a drumstaff also...


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Re: Lyrics interfere with volta?

[Toine Schreurs]

 I'm setting a vocal piece containing a simple repeat. The code below shows
 problems with prematurely ending a volta, but only if the Lyrics block is
 included. I've trimmed the live version down to this:

The lyrics are 'connected' to the sop Voice. You only have to specify the
lyrics.

   \new Lyrics { \lyricsto sop { 
 gu.
 Mun -- 
 Mun -- 
 gu.
}
  }

Toine Schreurs

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Re: default margins and lilypond-book

[David Rogers]

Urs Liska li...@ursliska.de writes:

 And is your intention to keep the lilypond source inside the LaTeX
 document? If that's not explicitely wanted you may have a look at my
 musicexamples' package.
 Overview: http://www.openlilylib.org/?/musicexamples/
 The links to the project page and download on SourceForge is currently
 broken, but the manual and the sample document are there.


Urs, this is extremely helpful, thank you! I'd never seen it.

-- 
David R

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Hiding one empty staff of three-staff piano score but not two

[Michael Rivers]

I'm typesetting a piano score that is mostly in two staves, but occasionally
in three. I have filled the third staff with spacers rests when it's not
needed and used \RemoveEmptyStaves and Keep_alive_together_engraver to
hide it when its empty.

The problem is that the first line of the score uses only one staff but
*does* display the empty second staff, which Lilypond is hiding along with
the third staff because it's empty. Is there a way to force the second staff
to be displayed only on the first system?

\version 2.16.1

right = \relative c'' {
  c1 | c | c | c | \break % First line
  c | c | c | c | \break % Second line
  c | c | c | c | 
}

left = \relative c' {
  s1*4 | %First line that I would like to be displayed even though it's
empty
  c1 | c | c | c | 
  c | c | c | c | 
}

leftTwo = \relative c {
  s1*8 | %First two lines
  c1 | c | c | c |
}

\score {
  \new PianoStaff 
  
\new Staff = right \right
\new Staff = left { \clef bass \left }
\new Staff = leftTwo {\clef bass \leftTwo}
  
  \layout {
\context {
\Staff \RemoveEmptyStaves 
\override VerticalAxisGroup #'remove-first = ##t
  }
  \context {
\PianoStaff 
\remove Keep_alive_together_engraver
  }
  } 

}



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Re: Hiding one empty staff of three-staff piano score but not two

[TaoCG]

When you override something in the layout-block you do so for every instance
of Staff.
If you want to make only the third staff disappear you have to remove the
override from the layout-block and apply only to that staff like this:

leftTwo = \relative c {
  \override Staff.VerticalAxisGroup #'remove-first = ##t
  s1*8 | %First two lines
  c1 | c | c | c |
}

HTH,
Tao



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Re: extending event-listener.ly

[Graham Percival]

On Mon, Mar 25, 2013 at 10:05:28PM +0100, Phil Hézaine wrote:
 Le 25/03/2013 17:29, Graham Percival a écrit :
 To add \parenthesize, you need to create a similar function or
 extend that original one to deal with those events.  To see the
 events, try:
 
 \displayMusic { c'4 \parenthesize d' e }

 Today, after the same discovery I was wondering the same question
 than Luis but for drum-types (in \drummode, ie: sna, wbl... )
 N.R. says: Not all lilypond music events are supported by
 ‘event-listener.ly’.
 Is it possible to 'listen' the drums symbols?

I think the above hint should suffice.

- Graham

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Re: Lyrics interfere with volta?

[Colin Campbell]

On 13-03-25 03:27 PM, Toine Schreurs wrote:

I'm setting a vocal piece containing a simple repeat. The code below shows
problems with prematurely ending a volta, but only if the Lyrics block is
included. I've trimmed the live version down to this:

The lyrics are 'connected' to the sop Voice. You only have to specify the
lyrics.

\new Lyrics { \lyricsto sop {
  gu.
  Mun --
  Mun --
  gu.
 }
   }

Toine Schreurs

Thanks, Toine! This at least gets the score readable, although I still 
don't understand the original error.


Cheers,
Colin

--
I've learned that you shouldn't go through life with a catcher's mitt on both 
hands.
You need to be able to throw something back.
-Maya Angelou, poet (1928- )

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