> On 24 Nov 2019, at 11:57, Graham Breed <[email protected]> wrote: > > On 24/11/2019, Hans Åberg <[email protected]> wrote: > [amended] >> An extended meantone temperament has two generators, which traditionally is >> the octave and the the fifth, but one can change basis and take any two, >> such as the minor and major second. LilyPond uses the sharp and the major >> second. Two generators is necessary for correct typesetting of the staff >> system. In Turkish, Arabic, and Persian music, one would need three >> generators each, but LilyPond cannot handle that. > > LilyPond can easily handle multiple generators with alternative pitch > names. I've had "tripod notation" support with 3 generators for > several years. It does mean alternative pitch names, though, rather > than regular transformations of (any of) the standard names. Or > Scheme code to retune pitches, like I did for Sagital JI and Extended > Helmholtz-Ellis.
Whatever rational numbers assigned to the accidentals and how many, one only gets one generator, unless there has been an extension lately. Perhaps you expect not transposing too far?
