I don't see any need for a separate class. It should be enough to add a
property setting that allows for ledger lines within the extent of the
stave.
I hope you use the
\override Staff.StaffSymbol #'line-positions = ...
feature (see http://lilypond.org/doc/v2.8/Documentation/topdocs/NEWS) to
create the staves. In that case, an even better solution to your problem is
to just check that property in Ledger_line_spanner::brew_ledger_lines(...)
and only remove ledger lines if there is no corresponding staff line.
/Mats
Kevin Dalley wrote:
Thanks.
I'm starting to go with some C++ hacking. I can get the extra ledger
lines as long as I don't need them, when the note is outside of the
staff and normal ledger lines are created, as you mentioned. I
haven't yet lied to LilyPond about whether the note is outside the
staff, but I'll think about it.
Is it worth adding a s separate ledger class for these ledgers,
perhaps subclassing from the current class? That way normal staffs
don't need to worry about the code, only odd ones. Though I added an
engraver for the chromatic staff, I'm not sure it is *really* an
engraver, it just changes the position of the notes. It does work,
however.
I'm having trouble figuring out how to add a ledger style class.
Perhaps I'll just add it to my staff and see what happens.
Mats Bengtsson <[EMAIL PROTECTED]> writes:
As far as I can see from the implementation, the ledger lines are only
typeset if the note pitch is outside the staff, so some C++ hacking would
be needed to get a clean solution for you. It should be possible to fool
LilyPond, though, by typesetting the note heads one octave too high
(for example) so they get ledger lines, and then move everything back to
the desired position using extra-offset for all involved layout objects.
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--
=============================================
Mats Bengtsson
Signal Processing
Signals, Sensors and Systems
Royal Institute of Technology
SE-100 44 STOCKHOLM
Sweden
Phone: (+46) 8 790 8463
Fax: (+46) 8 790 7260
Email: [EMAIL PROTECTED]
WWW: http://www.s3.kth.se/~mabe
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