Re: HaraKiri in PianoStaff

[Mats Bengtsson]

Try to add
  \alias "Staff"
to the definition of AuxillaryStaff. This should for example 
help the clef problems, since \clef is hard coded to set 
properties on \Staff.

     /Mats


>    The HaraKiriStaff doesn't exist as a separate \context type.
>    When you say \translator { \HaraKiriStaffContext } you simply
>    redefine the ordinary Staff contexts. If you want to get a 
>    clearer idea of how the different contexts are defined, you
>    could take a look at ly/engraver.ly.
> 
> OK, so I tried adding 
> 
>     \translator {
>       \HaraKiriStaffContext
>       \name AuxillaryStaff
>       }
>     \translator {
>       \PianoStaffContext
>       \accepts AuxillaryStaff  
>     }
> 
> to my paper block.  This does get me a lot closer.  There are in fact
> two staves where there need to be and only a single one otherwise.
> The biggest problem now is that the "down" Auxillarystaff (bass clef)
> always appears on top (instead of the main treble clef staff which you
> would expect to see).   In addition, the treble clef music is set in
> bass clef.  Actually, the problem might not be ordering the staves but
> that the \clef command operates on the wrong staff.  I tried changing
> the order around of various things and playing with \accept Staff and
> \accept AuxillaryStaff in different orders but that doesn't make any
> difference.
> 
> Secondly, these are weird HaraKiri staves because they stop and start
> with the music, not with systems.  In other words, the staff is
> totally blank for a portion of the system, and then appears or
> disappears in the middle.  The appearance always occurs where I have a
> manual staff swich (\translator Staff = down or whatever).  This is
> rather like a style in which some 20th century music is written that
> prefers blank space over staves full of rests.  However, it is not the
> standard notation even though some composers may prefer it.  (I don't
> think that lilypond is actually expressing an opinion on the matter, I
> am just describing how it looks.)
> 
> Finally, the spacing between the staves is really wide.  Actually, it
> looks like you could put a third staff right in between the (reversed)
> treble and bass clef staves.
> 
> Thanks Mats,
>        John
>