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Issue 1547 in lilypond: Too many colliding resrts


From: lilypond
Subject: Issue 1547 in lilypond: Too many colliding resrts
Date: Wed, 02 Mar 2011 12:24:30 +0000

Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Low

New issue 1547 by address@hidden: Too many colliding resrts
http://code.google.com/p/lilypond/issues/detail?id=1547

Phil Holmes :

Fitting music on 1 page...
Drawing systems...
warning: too many colliding rests
warning: too many colliding rests

The warnings aren't there unless I have the 3rd voice. Seems like a bug to me, and I can't find a report on the tracker?

\relative c'{
\new Staff
<<
 \new Voice { \voiceOne f'8 f f r f r \oneVoice }
 \new Voice { \voiceTwo d,8 d d r d r \oneVoice }
 \new Voice { \voiceFour \tieUp a'2~ a \oneVoice }


}

Keith OHara :
The warning is not always a false alarm, sometimes LilyPond fails to place the two rests "correctly". I suspect that her rules for placement require keeping rests away from the line of the third voice, so the warning tells us she cannot
not satisfy all her rules.

\version "2.12"
\new Staff <<
 \new Voice { \voiceOne s4 }  % just a skip
 \new Voice { \voiceTwo d'8 r }
% warning before failure if voiceFour, not so bad if voiceThree.
 \new Voice { \voiceFour a'8 r }
%{%} >>

Phil Holmes :
My preference is for all my lily source to compile cleanly, so a warning when there's actually no problem is annoying. Given the other collisions that can occur and don't produce a warning, I'd view this warning when there's no collision as a bug. Low priority, but still a bug.




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