Hello All,
After trying for hours to figure out why my LilyPond score was generating
programming error messages on compilation, I finally found the culprit and
was able to come up with a pair of minimal examples generating the errors. I
searched the mailing lists for solutions to this, but I found no posts of
this specific problem, so I guess this is new.
The problem seems to be occur when combining three things:
1. proportional notation:
proportionalNotationDuration = #(ly:make-moment 1 34)
\override SpacingSpanner #'strict-note-spacing =##t
2. \grace or \afterGrace notes
3. \break or \pageBreak immediately before \grace or immediately after
\afterGrace notes.
The two errors I get are:
"programming error: bounds of spanner are invalid"
and
"programming error: No spring between column 1 and next one
continuing, cross fingers"
If I remove the strict-note-spacing = ##t assignment, everything works fine.
Minimal code examples are included here, together with the LilyPond output.
Any ideas how this can be fixed or how to go around it? Is this a bug?
Many thanks,
V!ctor Adan.
PS Since this seems like a bug, I'm sending to the bug-lilypond mailing list
too, just in case.
%%%%%%%%%% CODE BEGINS %%%%%%%%%
\version "2.11.64"
\include "english.ly"
\layout{
\context{ \Score
proportionalNotationDuration = #(ly:make-moment 1 34)
\override SpacingSpanner #'strict-note-spacing =##t
%\override SpacingSpanner #'strict-grace-spacing = ##t
%\override SpacingSpanner #'uniform-stretching = ##t
}
}
%%%%%%%%%%%%%%%%%%%%%% EXAMPLE 1 (afterGrace) %%%%%%%%%%%%%%%%%%%%%%%%
{
\new Voice{
\time 1/4
c'4
\break
\afterGrace c'4 {g'64}
\break
c'4
\break
c'4
}
}
% %% LILYPOND OUTOUT:
% GNU LilyPond 2.11.64
% Processing `test.ly'
% Parsing...
% Interpreting music...
% Preprocessing graphical objects...
% Finding the ideal number of pages...
% Fitting music on 1 page...
% Drawing systems...
% programming error: bounds of spanner are invalid
% programming error: bounds of spanner are invalid
% programming error: bounds of spanner are invalid
% programming error: bounds of spanner are invalid
% programming error: bounds of spanner are invalid
% programming error: bounds of spanner are invalid
% Layout output to `test.ps'...
% Converting to `./test.pdf'...
%%%%%%%%%%%%%%%%%%%%%%%%% EXAMPLE 2 (grace) %%%%%%%%%%%%%%%%%%%%%%%%%%%
{
\new Voice{
\time 1/4
c'4
\break
\grace{ g'64 }
c'4
\break
c'4
\break
c'4
}
}
% %% LILYPOND OUTOUT:
% GNU LilyPond 2.11.64
% Processing `test.ly'
% Parsing...
% Interpreting music...
% Preprocessing graphical objects...
% programming error: No spring between column 1 and next one
% continuing, cross fingers
% programming error: No spring between column 2 and next one
% continuing, cross fingers
% programming error: No spring between column 2 and next one
% continuing, cross fingers
% programming error: No spring between column 2 and next one
% continuing, cross fingers
% programming error: No spring between column 1 and next one
% continuing, cross fingers
% Finding the ideal number of pages...
% Fitting music on 1 page...
% Drawing systems...
% programming error: No spring between column 2 and next one
% continuing, cross fingers
% programming error: No spring between column 1 and next one
% continuing, cross fingers
% Layout output to `test.ps'...
% Converting to `./test.pdf'...
%%%%%%%%%%%%%%%% CODE ENDS %%%%%%%%%%%%%%%%%%
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