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Transposable Fret Diagrams for Guitar
From: |
Carl D. Sorensen |
Subject: |
Transposable Fret Diagrams for Guitar |
Date: |
Fri, 29 Dec 2006 11:58:30 -0700 |
I'm proposing a method for getting transposable fret diagrams for the
guitar.
The method I propose is different from the current FretBoard
functionality. The FretBoard context takes a set of notes and
determines a fingering that will allow the playing of that set of notes.
This is a very useful too, and I appreciate Rick for sponsoring it.
I've asked Han-Wen about the cost for sponsoring a modification to
FretBoards that will allow it also to take the name of a chord and
determine a chord diagram. There would be a default set of chord
diagrams (one for each chord name) that I would enter based on a
standard chord reference for guitar. Then, the input to FretBoards
would be a set of chord names (which Lilypond will change into a set of
chords). If the sequence were transposed, the chords would be
transposed. The diagrams would be looked up in a hash table and
included in the score. Any chords not found in the hash table would be
treated just as in the current FretBoards context -- a fingering would
be determined by FretBoards.
Of course, if users wished, they'd be able to define their own chord
library (I assume the library will be defined in a .ly file), or replace
entries in the existing chord library. And the current functions of
FretBoard will still be available.
The cost for sponsoring this feature is eur 150. I'm hoping to get a
couple of people to help me sponsor this feature. Any takers?
Thanks,
Carl Sorensen