Re: transposing

[Simon Bailey]

thanks for this pointer -- i'll have a look into it tomorrow. its
definitely getting close to my bedtime. *gg*

it's an interesting solution -- i don't know any lisp to hack it into
emacs, but i do know perl, so i'll mebbe have a crack at that tomorrow.

or maybe in vbscript -- that should be a fairly quick script.

thanks again, raybro.

good night,
simon.
On Tue, 2002-07-30 at 03:19, William R Brohinsky wrote:
> The easiest thing to do would be to program a module for the editor you
> use. I'm currently not using linux for lily, so my tendency is to look
> at windows solutions. Notepad is a total loss. Word has VBA now, which
> is good: you could write the module in VBA, bind it to a keycombo,
> highlight the music to transpose, do the keycombo, insert the current
> key (don't make the poor program try to fingure that out) and the key to
> transpose to. 
> 
> Since you are only looking to transpose Eb parts to Bb, you could make a
> simpler program with just that one change. It'd only need a two
> dimensional text array, with element [0,0]= "C" and [0,1] = "G", [1,0] =
> "D", [1,1]="A". Do this logically: first for the major scale (mostlikely
> notes to see), then after that, chromatics properly named. Then
> chromatics that wouldn't be properly named, just for good luck. Have the
> module look at each note entry, separate the note name from the number,
> look up the number in the [0,*] array, print out the same index from the
> [1,*] array, stick the duration number on the end, and do it again.
> 
> For all transposing cases, you'd want to have a 2D array with more than
> 2  1D arrays: one for each possible key. Then, it'd be a matter of
> locating the proper first index for the from- and to- keys, and then the
> solution is identical to the previous paragraph.
> 
> It should be possible to do this in Emacs Lisp. It is certainly easy to
> do in C, if there's a good interface in emacs for running external
> programs on highlighted text. I just don't know emacs well enough to
> begin there.
> 
> An external C program could certainly be written (or god forbid, C++,
> Perl, REXX, Python, whatever) that parses the Lily code, finds music,
> determines the key that music is notated in (maybe by the nearest
> preceding \key command?) finds out what interval to transpose by, and
> has at it. If all the rest of this seems gobbletygookish to you, I'll
> take a crack at that, since I have been able to write programs in unix
> with some modicum of success.
> 
> raybro
> 
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