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List:       lilypond-user
Subject:    Re: Polymetric music and page breaks
From:       Jan-Peter Voigt <jp.voigt () gmx ! de>
Date:       2011-05-31 14:09:46
Message-ID: 5E4D2E51-E55A-4E9E-91F2-DA521AAAF652 () gmx ! de
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Am 30.05.2011 um 21:05 schrieb Andrea La Rose:

> 
> Jan-Peter,
> 
> That is fantastic work! Thanks for sharing it. Unfortunately, neither my
> math nor my coding skills are anywhere near yours. 
You're welcome :-)
What looks like magic math is just a little clue to get the right note-length-number \
for creating a Skipevent. In another language it might look like \
integer(log-base-2(denominator)). If you calculate this, you get 1->0, 2->1, 4->2, \
8->3, ... so you have the right number for creating a duration.

> Another issue is that I am creating a score where only parts exist at this
> point. (There was a handwritten score that I made the parts from, but that's
> on the other side of the ocean right now.) Making the kind of calculations
> you did with your uncle's piece (which I'd be interested in hearing, by the
> way) seems easier when you have a physical copy of a score.
Yes I do have a copy of the handwritten piece. I am going to publish this work, but \
the lyrics are written by someone else and I don't have the permission right now. I \
will send you a note, when this is cleared.

> The sense I'm getting is that the only work-around at this point is to
> insert fake measures — not simply \bar "" — that do line up, in order to get
> the page breaks one wants; that there is no global fix.
That is, what I essentially would say ... and I am a little bit sorry for irritating \
with my scheme-hacks ;-) The central development I made, was to prepare a \
"meta"-Voice for every staff I instanciate. My little "taktdef"-function is just a \
little helper, wich I use often in this kind of music with flexible meter/timing. To \
me it looks more readable, if I have a meta-voice with my \takedef #11 #8 #3 \
declarations instead of plenty of stuff like { \time 11/8 s8*33 }. But thats a matter \
of taste - one can obviously use comments ;-) And if you define that meta-voice, you \
can still have concurrently appearing things this way: << { \time 11/8 s8*11 } { s4 \
\bar "" } >> This means, you allow a break after a quarter note in this 11/8-measure.
In fact, the compositions of my uncle aren't my own inspiration, so maybe I have \
another look at it, than he would have ... and I have to read note by note to \
perceive it. I counted all measures and notes and then added possible linebreaks \
where suitable.

I hope it helps :-)

Cheers,
Jan-Peter


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