Re: Bar number moves down inexplicably

2016-02-01 Thread Noeck 
Hi Chris,

> Begs the question what the "comment" symbol means if text after it on
> the line is parsed...

It is not, there are just two kinds of comments:
http://www.lilypond.org/doc/v2.19/Documentation/learning/working-on-input-files

% line comment

%{
  block comment
%}

In the mail above: '% { ...' is a line comment and '%{ ...' is a block
comment. This is a neat trick for quickly (un-)commenting blocks.

More verbose:
State a)
%{  this is commented
this too, next line ends the comment block
%}

State b)
% { this is a line comment
this is not commented, next line has no effect
%}


Cheers,
Joram

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Re: Bar number moves down inexplicably

2016-02-01 Thread Chris Yate 
On 1 February 2016 at 02:17, David Wright  wrote:

> Coincidentally with Message-ID: <56ae6df7.8010...@gmx.de>
> > It also seems to move the bar number down. Does anybody know why?
> I also have a bar number which moves down for some reason.
>
> The attached snippet shows the problem. Commenting out the \layout
> with % {  →  %{ fixes the bar number but I lose my fermatas (both
> cases attached).
>
> I'm not familiar with the action of Staff_collecting_engraver,
> but I have a feeling the answer/workaround might lie in the page
>
> http://www.lilypond.org/doc/v2.18/Documentation/learning/outside_002dstaff-objects
>
> Cheers,
> David.


Yes, I can reproduce that (on Windows 10, Lilypond 2.19.35).

Begs the question what the "comment" symbol means if text after it on the
line is parsed...

Chris
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Re: Bar number moves down inexplicably

2016-02-01 Thread David Wright 
On Mon 01 Feb 2016 at 08:04:17 (+0100), Michael Gerdau wrote:
> Hi David,
> 
> > > It also seems to move the bar number down. Does anybody know why?
> > 
> > I also have a bar number which moves down for some reason.
> > 
> > The attached snippet shows the problem. Commenting out the \layout
> > with % {  →  %{ fixes the bar number but I lose my fermatas (both
> > cases attached).
> 
> the following layout block works for me with LP 2.19.35:
> 
> %
> \layout {
>   \context {
> \Score
> \remove Mark_engraver
> %\remove Staff_collecting_engraver
>   }
>   \context {
> \Staff
> \consists Mark_engraver
> \consists Staff_collecting_engraver
>   }
> }
> %

As easy as that! Thanks. (I'm glad it _wasn't_ to do with
outside_002dstaff-objects.)

I copied the layout stanza from p221 of the Notation Manual (2.18.2)
without, as I said, really understanding it. The same stanza appears
in 2.19.34 (p234) and is the only mention of Staff_collecting_engraver
in the entire manual.

Seaching the Internals Manual (2.19.34) merely mystifies me. Its main
section (2.2.111 on p348) says the purpose of the
Staff_collecting_engraver is to "Maintain the stavesFound variable."

The only clue to using it is (quoting 2.2.67 Mark_engraver, but
repeated at various points in IM) "If moving this [Mark_]engraver to a
different context, Section 2.2.111 [Staff collecting engraver],
page 348 must move along, otherwise all marks end up on the same
Y location."

I parsed "move along" as meaning "move to that different context", not
"add another Staff_collecting_engraver at that different context".
The former seems to be what the NM author did, without realising
its side effect.

And sorry to confuse anyone who doesn't understand block comments.
I attached the snippet and wanted people to be able to duplicate
both the images with a minimum of editing (one space character).
See NM 3.1 Input structure.

Cheers,
David.

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Re: Bar number moves down inexplicably

2016-01-31 Thread Michael Gerdau 
Hi David,

> > It also seems to move the bar number down. Does anybody know why?
> 
> I also have a bar number which moves down for some reason.
> 
> The attached snippet shows the problem. Commenting out the \layout
> with % {  →  %{ fixes the bar number but I lose my fermatas (both
> cases attached).

the following layout block works for me with LP 2.19.35:

%
\layout {
  \context {
\Score
\remove Mark_engraver
%\remove Staff_collecting_engraver
  }
  \context {
\Staff
\consists Mark_engraver
\consists Staff_collecting_engraver
  }
}
%

HTH,
Michael
-- 
 Michael Gerdau   email: m...@qata.de
 GPG-keys available on request or at public keyserver

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Bar number moves down inexplicably

2016-01-31 Thread David Wright 
Coincidentally with Message-ID: <56ae6df7.8010...@gmx.de>
> It also seems to move the bar number down. Does anybody know why?
I also have a bar number which moves down for some reason.

The attached snippet shows the problem. Commenting out the \layout
with % {  →  %{ fixes the bar number but I lose my fermatas (both
cases attached).

I'm not familiar with the action of Staff_collecting_engraver,
but I have a feeling the answer/workaround might lie in the page
http://www.lilypond.org/doc/v2.18/Documentation/learning/outside_002dstaff-objects

Cheers,
David.
\version "2.18.2"
\language "english"

\header { tagline = ##f }

\paper { #(set-paper-size "a7") }

% {
\layout {
  \context {
\Score
\remove Mark_engraver
\remove Staff_collecting_engraver
  }
  \context {
\Staff
\consists Mark_engraver
\consists Staff_collecting_engraver
  }
}
%}

pauseonbarline = {
  \once \override Staff.RehearsalMark.break-visibility = #begin-of-line-invisible
  \mark \markup { \musicglyph #"scripts.ufermata" }
}

global = { s1 s1 \break s1 \pauseonbarline s1 \break s1 s1 \bar "|." }

ss = { c''1 c'' c'' c'' c'' c'' }
aa = { e'1 e' e' e' e' e' }
tt = { g1 g g g g g }
bb = { c1 c c c c c }

\score {
  \new ChoirStaff <<
\new Staff <<
  \clef treble \global
  \new Voice { \ss }
>>
\new Staff <<
  \clef treble \global
  \new Voice { \aa }
>>
\new Staff <<
  \clef "treble_8" \global
  \new Voice { \tt }
>>
\new Staff <<
  \clef bass \global
  \new Voice { \bb }
>>
  >>
  \layout { }
}
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