Re: using oneVoice vs force-hshift in polyphany and alternatives

[Stephen]

From: "Stephen" <address@hidden>
To: <address@hidden>
Sent: Wednesday, April 19, 2006 10:54 PM
Subject: using oneVoice vs force-hshift in polyphany and alternatives


> Sure, the notes are in the right place. The interaction between the 
> various
> parts is baffling though. Using \oneVoice to set the notes over one 
> another
> seems to make the stems go up; \stemDown erases the effect of \oneVoice 
> and
> \oneVoice cancels \stemDown. Apparently \override NoteColumn 
> #'force-hshift
> = #0.0 accomplishes the what I want without side effects.
>
> What is \oneVoice meant to be used for? Can someone list separately all 
> the
> things it does?

Answering my own question, I believe that \oneVoice does three things:

\revert Stem #'direction
\revert NoteColumn #'horizontal-shift
\revert MultiMeasureRest #'staff-position

Because that is what make-voice-props-revert seems to do in 
music-functions.scm
I previously investigated how oneVoice is defined in property-init.ly but 
failed at first to investigate further.

Stephen

> Finally, I don't understand the scoping rules at play here. How come I can
> comment out some of the stem overrides while leaving them in effect?
>
> Stephen


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