"Cousin Ricky" <ric### [at] yahoocom> wrote:
> > >  Black spots are
> > > probably due to exceeding max trace level.
> >
> > Let's see - quite some reflective & refractive surfaces... if you used POV 3.6,
> > then yes, you're probably lucky that you didn't get more of them ;)
>
> Why?  Does trace level implementation change in POV 3.7b?

Radiosity recursion depth implementation does; it used to be intermangled with
trace level in an unhealthy way in 3.6, causing stray dark (or even black)
splotches all over the scene - the more reflection and refraction, the more of
them.

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