Timothy Groves wrote:
> I've been trying to generate a warp-field type effect, and whenever the 
> two spheres containing the media intersect, unpleasant things happen.
> 
> I've tried both a union and a merge of the two spheres, but the results 
> are the same.  And equally poor either way.

Have you tried raising the max_trace_level in the global settings? 
That's sometimes a cause for such problems.

Another is the media-type you're using. I've found method 2 to be more 
time-consuming renderwise, because *you* set it up and that's the way 
it'll be rendered for every pixel that contains the media, whereas 
method 3 might go easier on the calculations if the samples allow it.

And finally: take one big object and put both medias inside, that might 
work better as well, but render slower, because there's more volume to 
check for media.

Regards,
Tim

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