Re: Ties to alternate endings

[Nick Busigin]

On Tue, 6 Jan 2004, Marco Caliari wrote:

> Already answered:
> 
> On Tue, 18 Mar 2003, Mats Bengtsson wrote:
> 
> > The easiest is probably to add an invisible note that the tie can start
> > from:
> >
> > \alternative{{...}{\makeInvisible c4/2 ~ \makeVisible c4/2 ...}
> > where the macros can be defined as
> >
> > makeInvisible = {\property Voice.NoteHead \override #'transparent = ##t
> > \property Voice.Stem \override #'transparent = ##t }
> > makeVisible = { \property Voice.NoteHead \revert #'transparent
> > \property Voice.Stem \revert #'transparent }
> >
> > The 4/2 duration is just a trick to avoid that the extra note destroys
> > the rhythm.
> >
> > /Mats
> 
> -- 
> Marco 

Thank you Marco and Mats!

In case anyone else finds this useful, I have included a short example
of how the above is applied in the Lilypond program below and also
have attached the resulting output in a PNG file. 

---------- lilypond code starts below this line --------
                                    
%  This lilypond file shows how to fix a problem with 
%  a missing tie to a second alternate ending by using 
%  two "tweaks":
%  
%  1) Use of an invisible note - which is placed at the
%     beginning of the second alternate ending that is 
%     missing the partial tie if Lilypond is left to
%     its own devices.  (v2.1.6 and earlier)
%
%  and
%
%  2) Use of a feature that allows us to alter the 
%     duration of a note without changing its appearance
%     (by muliplying its duration by a fraction) - so that
%     we can alter the times of the notes in the bar so that
%     adding the hidden note doesn't mess up what fits in 
%     the bar.


\include "paper16.ly"
\paper  {
  raggedright = ##t
  indent = 0.0\mm
}

\version "2.1.6"

MkInvis = {\property Voice.NoteHead \override #'transparent = ##t
          \property Voice.Stem \override #'transparent = ##t 
}

MkVis  =  { \property Voice.NoteHead \revert #'transparent
           \property Voice.Stem \revert #'transparent 
}

mm = \notes    % main part 
        {
          c4 d e f ~   %  want this to tie to both endings
        }

ra = \notes    % first ending
       {
          f2 f
       }

rb = \notes    % second ending
       {
         \MkInvis f4 ~  \MkVis f2*1/2 f,
       }


\score {
   \notes {
     \relative c''  {
       \repeat volta 2 { \mm } 
       \alternative { { \ra } { \rb } }
     }  %relative
   }  %notes

}  % score

---------- lilypond code ends above this line --------

Hope this proves useful to someone else.

                                  Nick

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Nick Busigin                                             address@hidden
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