Nathan Kopp wrote:

> Ken wrote:
> >
> > I never got around to using atmospheric media and know little of it's
> > capabilities. Perhaps a better request would be to incorporate
> > different sampling methods into the media feature itself. As has been
> > mentioned Chris Young choose the monte carlo version of sampling
> > but there are other methods available. I know too little to comment
> > more, but it seems possible the feature can be added on to, to increase
> > it's effectiveness.
>
> I agree.  The biggest problem is the monte-carlo sampling.  I just sent
> a message to Chris about it (before reading this).  I modified my version
> of POV to use uniform samples up to the minimum samples (and monte-carlo
> after that).  When I set min and max samples the same (so you never go
> above the min samples), media is just as smooth as a halo (I haven't
> tried atmosphere).  The render time for the same number of samples is
> almost the same, too (media is still a touch slower, but that may be
> my compiler).
>
> Have you heard of any other sampling techniques?
>
> -Nathan

 No more than a few vague mentions from Chris in his infrequent
public announcements. I think I might have seen some info at
the RTNews site but could not say in which issue.

http://www.acm.org/tog/resources/RTNews/html/

--
Ken Tyler

tyl### [at] pacbellnet

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