"Ron Parker" <ron### [at] povray org> wrote in message
news:slr### [at] fwi com...
> It really can be argued both ways, but those who would argue that the density
> factor should scale with the container have a difficult question to answer:
> how should it scale when the container is scaled nonuniformly?
Ouch! Now my brain hurts. I think I pulled something...
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