On 2013/07/19 10:48:43, dak wrote:
> To be clear, there are two separate effects I'd like to
> achieve with this one interface:
>
> 1) aligning lyrics to one of the two partcombined voices
> 2) aligning lyrics to a third (hidden) voice, without
> altering spacing
It's more like
3) aligning lyrics to non-existing note columns.
LilyPond does not align reasonably to non-existing note
columns anyway. One could try fudging in pseudo_engravers
that create note-busy events, but you'll still have the
problem that you _either_ need to reserve space (defeating
the "without altering spacing" purpose) _or_ don't get
reasonable positioning.
Is there no way to extract the averages of the NoteColumn
X-positions between two voices? So given these voices:
\relative c'' { c4. b8 c2 }
\relative e' { e4 f e2 }
... then the respective X-positions, measured in beats
(pardon the oversimplification), would be:
(0 1.5 2)
(0 1 2)
The remaining calculation is trivial:
(define avg
(lambda (x . rest)
(/ (apply + (cons x rest)) (1+ (length rest)))))
(map avg '(0 1.5 2) '(0 1 2)) ==> (0 1.25 2)
Is there a way to tell the Lyrics context to align notes to
the newly calculated X-positions? I may be out of my
league, but this would be really helpful; all the
workarounds that I've come up with are really ugly. Here's
a real-world example:
http://www.markpolesky.com/norobots/Day-Is-Done.png
This happens often enough to be a real pain.
Thanks
- Mark
https://codereview.appspot.com/11328043/
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