[Lilypond-auto] Issue 3702 in lilypond: Ambitus not at beginning, engraver in Staff context

[lilypond]

Status: Accepted
Owner: ----
Labels: Type-Ugly

New issue 3702 by address@hidden: Ambitus not at beginning, engraver  
in Staff context
http://code.google.com/p/lilypond/issues/detail?id=3702

Colin wrote :

I've modified it a bit further, putting the \consists in a \layout context.  
The effect is the same, in that an ambitus prevents a Staff from beiong  
considered empty, and this would be Bug 1.
The other effect I've noticed, which certainly seems to be Bug 2, is that  
declaring a \new Voice, when Ambitus_engraver is consisted in a Voice  
context, causes the ambitus  to be engraved at that point in musical time,  
wherever it occurs, and not at the start  of the staff.
 If it occurs at a \break, the ambitus gets engraved *both* at the end of  
the previous staff, i.e. before the break, and also at the start of the new  
staff. This may be Bug 3, or not: I'm not familiar enough with ambitus to  
be sure. We basses just have to know I, IV and V anyway.



\version "2.17.95"

\score {

<<

\new Staff {

R1

\break

\new Voice

\relative { a'4 b c d }

}

\new Staff {

c'1

\break

% \new Voice


\relative { a'4 b c d }

}



\layout {

\context {

\Staff

\RemoveEmptyStaves

\override VerticalAxisGroup #'remove-first = ##t

\consists "Ambitus_engraver" % ambitus behaves, but empty staff remains

}

\context {

\Voice

% \consists "Ambitus_engraver" %ambitus and empty staff misbehave

}

}

}


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