From: "Mats Bengtsson" <[EMAIL PROTECTED]>
To: "Stephen" <[EMAIL PROTECTED]>
Cc: <lilypond-user@gnu.org>
Sent: Thursday, April 20, 2006 12:24 AM
Subject: Re: using oneVoice vs force-hshift in polyphany and alternatives
Quoting Stephen <[EMAIL PROTECTED]>:
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?
See Sect. "Explicitly instantiating voices" for a list of what \voiceOne,
..., \voiceFour do. \oneVoice reverts the settings
done by any of \voiceOne ... \voiceFour, so among others it does
a \revert Stem #'direction
which is what you noted.
Thank you for the reply. Yes, I did note that \oneVoice undoes the effect of
a previous \stemDown. If I want to use \oneVoice, the stem must already be
in the direction that I want, hence the line \\ { s4. } when I want the stem
to switch the other way. But \stemDown also resets the horizontal placement
of the note if it follows \oneVoice, so they both mutually reverse one
another.
If I had a list of everything \oneVoice does, I could pick and choose the
effect that I want. \revert Stem #'direction is a good hint though. Perhaps
\override NoteColumn #'force-hshift = #0.0 is exactly what \oneVoice does?
Stephen
/Mats
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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