Getting absolute position of objects

[Dan Ringwalt]

Hello,

I found an old thread which was never answered:
https://lists.gnu.org/archive/html/lilypond-user/2015-05/msg00860.html

I also need to output the absolute coordinates of all objects on the page,
to generate training data for optical music recognition. I'm trying to
print some information in \applyOutput, and I see that NoteHead X-offset
and Y-offset are 0, and X-parent, Y-parent, X-positions, and Y-positions
all seem to be (). Is there a way to get the absolute coordinates, so that
I can add them to event-listener.ly?
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Re: Is there a way to circle around tab numbers?

[Stephen MacNeil]

you could just change it to tab

circle =

\once \override TabNoteHead.stencil = #(lambda (grob)

(let* ((note (tab-note-head::print grob))

(combo-stencil (ly:stencil-add

note

(circle-stencil note 0.1 0.8

(ly:make-stencil (ly:stencil-expr combo-stencil)

(ly:stencil-extent note X)

(ly:stencil-extent note Y



\score {

\new TabStaff {

\tabFullNotation

\circle c'

}

}



HTH

Stephen
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Is there a way to circle around tab numbers?

[Devin Ulibarri]

Hi all,

I see that there is a way to circle around note heads, but I would like
to circle around fret numbers. Ultimately, I would like the string line
to be hidden from the space within the circle as well to emphasize the
number. I want to use this for pedagogical reasons. (If this description
needs further explanation, please let me know)

I see this code for the note heads:

http://lilypond.org/doc/v2.19/Documentation/snippets/editorial-annotations#editorial-annotations-drawing-circles-around-note-heads

circle =
\once \override NoteHead.stencil = #(lambda (grob)
(let* ((note (ly:note-head::print grob))
   (combo-stencil (ly:stencil-add
   note
   (circle-stencil note 0.1 0.8
  (ly:make-stencil (ly:stencil-expr combo-stencil)
(ly:stencil-extent note X)
(ly:stencil-extent note Y

{ \circle c'' }

I do not really understand this level of lilypond code very well, but I
suspect with some tweaks it could do what I need. Is anyone on this list
able to help? I would appreciate it.

Thanks,
Devin

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Re: Is it possible to insert a "break" in a ottava bracket?

[Thomas Morley]

2017-09-08 23:33 GMT+02:00 David Kastrup :
> Simon Albrecht  writes:
>
>> On 08.09.2017 22:58, David Kastrup wrote:
>>> Thomas Morley  writes:
>>>
 at = #(define-music-function (time event music)
(ly:duration? ly:music? ly:music?)
 "Place @var{event} at a relative duration @var{time} in relation
 to @var{music}."
#{ \context Bottom << { \skip $time <>$event } $music >> #})
>>> Someone remind me: was there a reason we did not make this part of
>>> LilyPond proper?  I think there was but I cannot remember it.  It's
>>> coming up time and again...
>>
>> I think one reason is the lack of a really satisfying name –
>> personally, I like the way
>> \after 4 \< c2
>> translates to
>> ‘after a quarter note duration, insert a hairpin on the note c2’
>> but I don’t really think that’s good enough for Lily proper, namely
>> because it’s too unspecific.
>
> It's missing the relation to the c2: \after 4 \< c2 sounds like
>
> \skip 4 <>\< c2
>
> to me.  \within does not really work since c2 has to come last or
> placing several elements will become completely awkward syntactically.
>
> Maybe we really should just bikeshed this one as "at" and be done.


+1

Btw, afterGrace is a strange and misleading name as well, imho. At
least as a starter I had difficulties to understand what this name may
have to do with the requiered arguments.
Though, this ship is sailed long time ago ...

Cheers,
  Harm

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Re: Is it possible to insert a "break" in a ottava bracket?

[David Kastrup]

Simon Albrecht  writes:

> On 08.09.2017 22:58, David Kastrup wrote:
>> Thomas Morley  writes:
>>
>>> at = #(define-music-function (time event music)
>>>(ly:duration? ly:music? ly:music?)
>>> "Place @var{event} at a relative duration @var{time} in relation
>>> to @var{music}."
>>>#{ \context Bottom << { \skip $time <>$event } $music >> #})
>> Someone remind me: was there a reason we did not make this part of
>> LilyPond proper?  I think there was but I cannot remember it.  It's
>> coming up time and again...
>
> I think one reason is the lack of a really satisfying name –
> personally, I like the way
> \after 4 \< c2
> translates to
> ‘after a quarter note duration, insert a hairpin on the note c2’
> but I don’t really think that’s good enough for Lily proper, namely
> because it’s too unspecific.

It's missing the relation to the c2: \after 4 \< c2 sounds like

\skip 4 <>\< c2

to me.  \within does not really work since c2 has to come last or
placing several elements will become completely awkward syntactically.

Maybe we really should just bikeshed this one as "at" and be done.

-- 
David Kastrup

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Re: Is it possible to insert a "break" in a ottava bracket?

[Simon Albrecht]

On 08.09.2017 22:58, David Kastrup wrote:

Thomas Morley  writes:


at = #(define-music-function (time event music)
   (ly:duration? ly:music? ly:music?)
"Place @var{event} at a relative duration @var{time} in relation
to @var{music}."
   #{ \context Bottom << { \skip $time <>$event } $music >> #})

Someone remind me: was there a reason we did not make this part of
LilyPond proper?  I think there was but I cannot remember it.  It's
coming up time and again...


I think one reason is the lack of a really satisfying name – personally, 
I like the way

\after 4 \< c2
translates to
‘after a quarter note duration, insert a hairpin on the note c2’
but I don’t really think that’s good enough for Lily proper, namely 
because it’s too unspecific.


Best, Simon

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Re: Is it possible to insert a "break" in a ottava bracket?

[David Kastrup]

Thomas Morley  writes:

> 2017-09-08 12:15 GMT+02:00 Thomas Morley :
>> 2017-09-07 20:59 GMT+02:00 Robert Schmaus :
>>
>>> So anyway, except for writing a music function that basically does
>>> the ottava voiding + spacer grace + ottava reset in one go, I don't
>>> have any other solution as well.
>>
>> Quick'n dirty:
>>
>> {
>>   \ottava 1
>>   c'''4 4 4
>>   \afterGrace 4 \ottava 0
>>   \ottava 1
>>   d'''4 4 4 4
>>   \ottava 0
>> }
>>
>> Cheers,
>>   Harm
>
> Also, David K's at-function will work (not sure if below is the most recent 
> one:
>
> at =
> #(define-music-function (time event music)
>   (ly:duration? ly:music? ly:music?)
> "Place @var{event} at a relative duration @var{time} in relation
> to @var{music}."
>   #{ \context Bottom << { \skip $time <>$event } $music >> #})
>
>
> {
>   \ottava 1
>   c'''4 4 4
>   \at 8. \ottava 0 c'''4
>   \ottava 1
>   d'''4 4 4 4
>   \ottava 0
> }

Someone remind me: was there a reason we did not make this part of
LilyPond proper?  I think there was but I cannot remember it.  It's
coming up time and again...

-- 
David Kastrup

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Re: Is it possible to insert a "break" in a ottava bracket?

[Thomas Morley]

2017-09-08 12:15 GMT+02:00 Thomas Morley :
> 2017-09-07 20:59 GMT+02:00 Robert Schmaus :
>
>> So anyway, except for writing a music function that basically does the 
>> ottava voiding + spacer grace + ottava reset in one go, I don't have any 
>> other solution as well.
>
> Quick'n dirty:
>
> {
>   \ottava 1
>   c'''4 4 4
>   \afterGrace 4 \ottava 0
>   \ottava 1
>   d'''4 4 4 4
>   \ottava 0
> }
>
> Cheers,
>   Harm

Also, David K's at-function will work (not sure if below is the most recent one:

at =
#(define-music-function (time event music)
  (ly:duration? ly:music? ly:music?)
"Place @var{event} at a relative duration @var{time} in relation
to @var{music}."
  #{ \context Bottom << { \skip $time <>$event } $music >> #})


{
  \ottava 1
  c'''4 4 4
  \at 8. \ottava 0 c'''4
  \ottava 1
  d'''4 4 4 4
  \ottava 0
}

Cheers,
  Harm

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Re: Fwd: fretdiagram bug?

[David Kastrup]

David Kastrup  writes:

> bb  writes:
>
>> I forgot to mention, that I produced a whole bunch of such fingerboard
>> diagrams without trouble. Only the g:6/gSix makes trouble.
>>
>> regards
>>
>>
>>
>>  Weitergeleitete Nachricht 
>> Betreff: fretdiagram bug?
>> Datum:   Fri, 8 Sep 2017 16:28:42 +0200
>> Von: bb 
>> An:  lilypond-user@gnu.org
>>
>>
>>
>> I kindly ask the lilypond experts to check this code if I did a
>> mistake or is it a bug?
>>
>> Whatever I define in the line
>> \storePredefinedDiagram #default-fret-table \gSix
>> #allFourthsE
>> #"o,o,o,o,o"
>>
>> lilypond will ignore!
>>
>> Given is a questionable fretboard instead.
>>
>> Please tell me where there is my error or if I should write a bug report.
>
> #'gSix

Sorry, that was nonsense.  You did define gSix in your example.

-- 
David Kastrup

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Fwd: Fwd: fretdiagram bug?

[bb]

I found my mistake:

\storePredefinedDiagram #default-fret-table \gSix
#allFourthsE
#"o,o,o,o,o"

I used "," instead of ";".

Sorry for the noise.

Regards BB



 Weitergeleitete Nachricht 
Betreff:Fwd: fretdiagram bug?
Datum:  Fri, 8 Sep 2017 16:34:49 +0200
Von:bb 
An: lilypond-user@gnu.org, bb 



I forgot to mention, that I produced a whole bunch of such fingerboard 
diagrams without trouble. Only the g:6/gSix makes trouble.


regards



 Weitergeleitete Nachricht 
Betreff:fretdiagram bug?
Datum:  Fri, 8 Sep 2017 16:28:42 +0200
Von:bb 
An: lilypond-user@gnu.org



I kindly ask the lilypond experts to check this code if I did a mistake 
or is it a bug?


Whatever I define in the line
\storePredefinedDiagram #default-fret-table \gSix
#allFourthsE
#"o,o,o,o,o"

lilypond will ignore!

Given is a questionable fretboard instead.

Please tell me where there is my error or if I should write a bug report.

Kind regards BB

START #

\version "2.19.2"

   allFourthsE =\stringTuning < e, a, d g c'>

gSix ={< e,\5 b'\4  d\3  g\2 d'\1 >1} %cegb
*
**\storePredefinedDiagram #default-fret-table \gSix**
**#allFourthsE**
**#"o,o,o,o,o"*

% end of potential include file /predefined-cuatro-fretboards.ly


%#(set-global-staff-size 27)

chordNames = \chordmode { g:6 }
notes = { \gSix \break  \bar "||" }
\score {
  <<
 \set Timing.defaultBarType = ""
 \new ChordNames {
  %\set chordChanges = ##t
  \chordNames
}

\new Staff {
\clef "treble_8"
  \new Voice \with {
\remove "New_fingering_engraver"
  }
  \relative c {
\notes
  }
}

\new FretBoards {
  \set Staff.stringTunings = #allFourthsE
  \notes
}

  >>

  \layout {
  }
}

END 

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Re: fretdiagram bug?

[David Kastrup]

bb  writes:

> I kindly ask the lilypond experts to check this code if I did a
> mistake or is it a bug?
>
> Whatever I define in the line
> \storePredefinedDiagram #default-fret-table \gSix
> #allFourthsE
> #"o,o,o,o,o"
>
> lilypond will ignore!
>
> Given is a questionable fretboard instead.
>
> Please tell me where there is my error or if I should write a bug report.

Why don't you look where _LilyPond_ says your error is?  The error
messages are there for a reason.

-- 
David Kastrup

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Re: Fwd: fretdiagram bug?

[David Kastrup]

bb  writes:

> I forgot to mention, that I produced a whole bunch of such fingerboard
> diagrams without trouble. Only the g:6/gSix makes trouble.
>
> regards
>
>
>
>  Weitergeleitete Nachricht 
> Betreff:  fretdiagram bug?
> Datum:Fri, 8 Sep 2017 16:28:42 +0200
> Von:  bb 
> An:   lilypond-user@gnu.org
>
>
>
> I kindly ask the lilypond experts to check this code if I did a
> mistake or is it a bug?
>
> Whatever I define in the line
> \storePredefinedDiagram #default-fret-table \gSix
> #allFourthsE
> #"o,o,o,o,o"
>
> lilypond will ignore!
>
> Given is a questionable fretboard instead.
>
> Please tell me where there is my error or if I should write a bug report.

#'gSix

-- 
David Kastrup

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Fwd: fretdiagram bug?

[bb]

I forgot to mention, that I produced a whole bunch of such fingerboard 
diagrams without trouble. Only the g:6/gSix makes trouble.


regards



 Weitergeleitete Nachricht 
Betreff:fretdiagram bug?
Datum:  Fri, 8 Sep 2017 16:28:42 +0200
Von:bb 
An: lilypond-user@gnu.org



I kindly ask the lilypond experts to check this code if I did a mistake 
or is it a bug?


Whatever I define in the line
\storePredefinedDiagram #default-fret-table \gSix
#allFourthsE
#"o,o,o,o,o"

lilypond will ignore!

Given is a questionable fretboard instead.

Please tell me where there is my error or if I should write a bug report.

Kind regards BB

START #

\version "2.19.2"

   allFourthsE =\stringTuning < e, a, d g c'>

gSix ={< e,\5 b'\4  d\3  g\2 d'\1 >1} %cegb
*
**\storePredefinedDiagram #default-fret-table \gSix**
**#allFourthsE**
**#"o,o,o,o,o"*

% end of potential include file /predefined-cuatro-fretboards.ly


%#(set-global-staff-size 27)

chordNames = \chordmode { g:6 }
notes = { \gSix \break  \bar "||" }
\score {
  <<
 \set Timing.defaultBarType = ""
 \new ChordNames {
  %\set chordChanges = ##t
  \chordNames
}

\new Staff {
\clef "treble_8"
  \new Voice \with {
\remove "New_fingering_engraver"
  }
  \relative c {
\notes
  }
}

\new FretBoards {
  \set Staff.stringTunings = #allFourthsE
  \notes
}

  >>

  \layout {
  }
}

END 

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fretdiagram bug?

[bb]

I kindly ask the lilypond experts to check this code if I did a mistake 
or is it a bug?


Whatever I define in the line
\storePredefinedDiagram #default-fret-table \gSix
#allFourthsE
#"o,o,o,o,o"

lilypond will ignore!

Given is a questionable fretboard instead.

Please tell me where there is my error or if I should write a bug report.

Kind regards BB

START #

\version "2.19.2"

   allFourthsE =\stringTuning < e, a, d g c'>

gSix ={< e,\5 b'\4  d\3  g\2 d'\1 >1} %cegb
*
**\storePredefinedDiagram #default-fret-table \gSix**
**#allFourthsE**
**#"o,o,o,o,o"*

% end of potential include file /predefined-cuatro-fretboards.ly


%#(set-global-staff-size 27)

chordNames = \chordmode { g:6 }
notes = { \gSix \break  \bar "||" }
\score {
  <<
 \set Timing.defaultBarType = ""
 \new ChordNames {
  %\set chordChanges = ##t
  \chordNames
}

\new Staff {
\clef "treble_8"
  \new Voice \with {
\remove "New_fingering_engraver"
  }
  \relative c {
\notes
  }
}

\new FretBoards {
  \set Staff.stringTunings = #allFourthsE
  \notes
}

  >>

  \layout {
  }
}

END 

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Re: Is it possible to insert a "break" in a ottava bracket?

[Thomas Morley]

2017-09-07 20:59 GMT+02:00 Robert Schmaus :

> So anyway, except for writing a music function that basically does the ottava 
> voiding + spacer grace + ottava reset in one go, I don't have any other 
> solution as well.

Quick'n dirty:

{
  \ottava 1
  c'''4 4 4
  \afterGrace 4 \ottava 0
  \ottava 1
  d'''4 4 4 4
  \ottava 0
}

Cheers,
  Harm

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Re: Fwd: coloring notes according harmonic function

[Rita Composer]

Dear Marc,

It works!!!
Thank you very much!

And thank you for all the developers, experts for their fantastic work!!

Sister Judit
(Composer is just like Potter/ Young/ Smith - I translated my surname)

2017-09-08 9:09 GMT+02:00 Marc Hohl :

> Am 07.09.2017 um 21:20 schrieb Rita Composer:
>
>> Dear David and other Experts,
>>
>> Unfortunately I couldn't really follow you.
>>
>
> You have to use
>
>
> <<
>   \new Voice { \voiceOne ... }
>   \new Voice { \voiceTwo ... }
>   \new Voice { \voiceThree ... }
> >>
>
> The curly brackets { ... } are important, otherwise the first \new Voice
> ends directly after \voiceOne, and ... is treated as if \voiceOne was never
> set.
>
> HTH a bit,
>
> Marc
>
>
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Re: Fwd: coloring notes according harmonic function

[Marc Hohl]

Am 07.09.2017 um 21:20 schrieb Rita Composer:

Dear David and other Experts,

Unfortunately I couldn't really follow you.


You have to use


<<
  \new Voice { \voiceOne ... }
  \new Voice { \voiceTwo ... }
  \new Voice { \voiceThree ... }
>>

The curly brackets { ... } are important, otherwise the first \new Voice 
ends directly after \voiceOne, and ... is treated as if \voiceOne was 
never set.


HTH a bit,

Marc

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