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Re: Reimplement forced partcombine decisions via context properties (iss
From: |
Dan Eble |
Subject: |
Re: Reimplement forced partcombine decisions via context properties (issue 144600043 by address@hidden) |
Date: |
Tue, 28 Oct 2014 08:35:01 -0400 |
On Oct 28, 2014, at 03:00 , address@hidden wrote:
>
> Now I see the problem. The properties you are using are those created
> in a pre-engraving step, done separately on each of the inputs to
> \partcombine. Using properties of those separate contexts for the
> force-part-combine state is a bad idea.
One thing just occurred to me. (It feels like a bit of a non sequitur, but
anyway…) The part combiner has two input voices and three output voices.
There is more than one possible effect that a command like \partCombineApart
could have. It could place the top note in voice “one” and the bottom note in
voice “two”; but what if someone wanted to separate the parts and leave the top
note in voice “shared” and the bottom note in voice “two”, for example?
Years ago, I tried to submit a patch to allow setting the voice names for the
part combiner so that this could be done uniformly for the whole input. I
failed to find a solution that was acceptable for inclusion (though it worked
for me) but maybe mentioning it now will inspire some creative problem-solving.
It’s weird if \partCombineApart means no more than “separate the parts”
regardless of the part it appears in. But if it instead means, “route the
current part to voice x instead of what you would normally do, and I’m not
trying to tell you whether it’s more appropriate to put the other part in voice
y or z”, I think that would be easier to comprehend. I haven’t thought through
it systematically though.
—
Dan