The same guy who came up with the photon mapping idea wrote a paper
decribing how to extend it to work with participating media too.  I
don't know if Nathan has this paper, but it would be neat if it could be
worked into POV sometime down the road.

It can handle caustics in media and even diffuse <-> volume light
transfer!  :)

-Mike
 
>   This topic and the solutions you have suggested were discussed in
> some detail back in January. I believe the thrust of the discussion
> centered aorund the use of monte carlo sampling and it's limitions.
> I tmight have been Nathan Kopp who mentioned tht he has been trying
> different sampling methods to be used with the media feature and has
> passed on the concerns of people about the process to Chris Young
> the pov team coordinator. I guess you could say there is work in
> progress to add more functinality to the media process but I have
> no confirming data to support this. I do agree that there are some
> sampling methods like that used in the previous atmosphere feature that
> could add greater funtionality to the current system and it would be
> nice to see some improvements in that area.
> 
> --
> Ken Tyler
> 
> mailto://tylereng@pacbell.net

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