CShake <cshake+pov### [at] gmail com> wrote:
>
> Thanks, the increased samples with fewer intervals makes a huge
> difference in render time, I tried this scene first with 30 intervals
> (ratio 0.5) and minimum 10 samples, then 1 interval with 100 samples and
> it ran at less than 1/4 the time and produced superior results.
> Seems like my problem has been fixed!
Good to hear. (I ran your test code and got the same results you did; but I
didn't think about the media parameters being at their defaults.)
Meanwhile, I dug up another problem-scene, just to show off another oddity, that
may or may not have a similar root cause to the one in the link I posted
earlier. (I'll have to run it with the latest beta to see if this one is
solved.) The blue 'couch' is media-filled--emission and absorption media-- with
an IOR and reflection. The only difference between the two images is the
scattering-media-filled spotlight in the 2nd image. (A cone is the media
container, which I made partly visible.) As you can see, the spotlight doesn't
really impinge on the couch; but the entire couch goes wacky!
KW
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