Dear Graham, what I don't understand: How many cents are an alteration of 10/1023?
2009/9/25 Graham Breed <gbr...@gmail.com> > Stefan Thomas wrote: > >> Dear Graham, >> absolutely, I would like to define a list of notenames, for e.g. pitches >> that are about 15cents lower, But I have no idea how to do it, when I use >> the HE-font for the accidentals. >> > > For the code I have, pitch names are defined as: > > HEPitchNames = #`( > (c . ,(ly:make-pitch -1 0 0)) > (g . ,(ly:make-pitch -1 4 10/1023)) > (edown . ,(ly:make-pitch -1 2 -75/1096)) > (bflatseven . ,(ly:make-pitch -1 6 -162/247)) > (d . ,(ly:make-pitch -1 1 20/1023)) > > and so on. > > If you want more pitches, you add them. The parameters are documented for > ly:make-pitch under Scheme Functions. > > Off course, I had a look in makam.ly >> and I found there >> makamGlyphs = #`((1 . "accidentals.doublesharp") >> (8/9 . "accidentals.sharp.slashslashslash.stemstem") >> ) >> But how could I define a "Helmholtz-Glyph"? >> > > This table is different when you use an external font. The relevant table, > as I have it, starts like this: > > HEStrings = #`( > (0 "\x6e" (0 . 1) (-0.5 . 0.5)) > (10/1023 "\x6e" (0 . 0.6) (-0.5 . 0.5)) > (-75/1096 "\x6d" (0 . 0.6) (-1.1 . 0.5)) > (-162/247 "\x3c\x65" (-2 . 2) (-0.5 . 0.5)) > (20/1023 "\x6e" (0 . 0.6) (-1.1 . 0.5)) > > In each of those lists, the first entry is the alteration in whole tones > (1/1 = 200 cents). The second entry is the UTF-8 encoded string to display. > The other two pairs are the X- and Y-extents that determine how much space > LilyPond allows for the accidentals. We currently don't know how to make > sensible guesses for these so they have to be hard coded. > > The alteration for very accidental in the first table has to match a row in > the second one. > > > Graham > >
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