On Sat, Oct 22, 2011 at 07:04:28PM +0200, David Kastrup wrote:
>
> > <sigh> There's a problem. I use
> > ((0 . 6) . ,FLAT)
> > ((1 . 3) . ,SHARP)
> > ((0 . 5) . ,FLAT)
> > for my placement of the accidentals. Using the standard
> > violin clef, the above settings places the Bb in its
> > accustomed position, the F# and Ab ditto. The order is
> > right . . . so far so good.
> >
> > But when I put in a C major scale, starting from middle C, the
> > F(actuall 'fes' in the .ly file) is notated with a sharp! That's
> > because the sharp in the key signature is an octave higher, as I
> > discovered from experiment. The A(aes in .ly) and B(bes in .ly)
> > are notated OK, since they are taken care of by the flats in
> > the key signature.
>
> Well, _my_ documentation says:
. . . .
> Alternatively, for each item in the list, using the more concise
> format `(step . alter)' specifies that the same alteration should hold
> in all octaves.
Mr Kastrup, my apologies! I overlooked that paragraph. I
simply took the snippet of code you gave, put it into a
test file, and tested it in various configurations. I
had occasion to e.g. change the octave, as my example
above shows.
Now I've substituted
(6 . ,FLAT)
(3 . ,SHARP)
(5 . ,FLAT)
and now the alteration does hold in all octaves, as you
and your documentation state that it would.
But there still remains a problem. The above notation
puts the Bb, F#, and Ab in their accustomed positions
in all instruments that I've tested it with: violin, viola,
and cello. But suppose I want e.g. the F# to be an octave
lower? That might look more striking, helping the musician
to remember. In the Bartok piece I mentioned in the start
of this thread, the key signature for the second violin
is just an F#; but the F# is an octave below its usual
position! Is there a way to do that, while still
making sure that the key signature applies to all
octaves?
> > Thanks to Mr Kastrup for his tips on Scheme/guile. I'll read what he
> > has pointed at with care and, hopefully, understanding<g>.
>
> Well, looks like I should point more carefully...
I am sorry to have irritated you.
Alan
--
Alan McConnell : http://patriot.net/users/alan
Have the courage to be ignorant of a great number of things, in
order to avoid the calamity of being ignorant of every thing.
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