Thanks Jim. Your example solved it for me. I thought I was using explicit voices because I declared voices using a "\new Voice {}" construct, but I hadn't named them explicitly, and that seems to be the difference. Now I am seeing "real" warnings rather than these ones about rests and that helps me out a lot, cognitively, in finding real issues.
-Arle
On Wed, Dec 19, 2012 at 08:44:29AM +0100, Arle Lommel wrote:
Hi all, I am working on the same score that spawned discussion about stem lengths and now have another, hopefully less controversial, question.
I keep getting warnings like the following when I run Lilypond:
warning: cannot resolve rest collision: rest direction not set
I've run into this or a similar problem before.
Cultivate the habit of using separate, explicit voice constructs:
\new Voice = "upper" \relative c'' {
...
} % upper voice
\new Voice = "lower" \relative c'' {
...
} % lower voice
A layman's paraphrase of the error message might be that, while
you are manipulating stem directions and pitched rests to
*simulate* the appearance of separate voices, Lily cannot
reliably determine which voice(s) the rests belong to.
HTH,
Jim
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