Re: Customizing staff to display Bohlen-Pierce scale?

[Paul Morris]

Renaming notes (for input purposes) is something I don't know very well, but
I believe you should be able to edit the names to correspond with the notes
of your default scale.  Something along these lines (this would be for a
default chromatic scale, for instance):

%%%%%%%%%%%%
\version "2.18.2"

#(ly:set-default-scale
  (ly:make-scale
   '#(0 1/2 1 3/2 2 5/2 3 7/2 4 9/2 5 11/2)))

myPitchNames =
#`((do   . ,(ly:make-pitch -1 0 NATURAL))
   (di   . ,(ly:make-pitch -1 1 SHARP)) ; sharp is just for demonstration
   (re   . ,(ly:make-pitch -1 2 NATURAL))
   (me   . ,(ly:make-pitch -1 3 FLAT)) ; flat is just for demonstration
   (mi   . ,(ly:make-pitch -1 4 NATURAL))
   (fa   . ,(ly:make-pitch -1 5 NATURAL))
   (fi   . ,(ly:make-pitch -1 6 NATURAL))
   (so   . ,(ly:make-pitch -1 7 NATURAL))
   (lu   . ,(ly:make-pitch -1 8 NATURAL))
   (la   . ,(ly:make-pitch -1 9 NATURAL))
   (se   . ,(ly:make-pitch -1 10 NATURAL))
   (si   . ,(ly:make-pitch -1 11 NATURAL)))

#(ly:parser-set-note-names parser myPitchNames)

% EXAMPLE
\relative { 
  do' di re me 
  mi fa fi so 
  lu la se si 
  do di re me
}

%%%%%%%%%%%%

For more examples, here are four snippets that use ly:parser-set-note-names
that may help:
http://lsr.di.unimi.it/LSR/Search?q=parser+set+note+names

This one looks particularly promising for what you want to do:
http://lsr.di.unimi.it/LSR/Item?id=786

Hope that helps!
-Paul



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