Warp wrote:


>   This is a FAQ.
>   Nathan Kopp tried to implement global illumination using photon mapping,
> but AFAIK the results were not very promising.
>   If you think about the amount of samples needed to calculate global
> illumination for a huge scene, you will understand why this is so. It's
> very difficult to calculate more samples where they are needed and less
> samples where they aren't. This is an advantage of the stochastic
> algorithm used by POV-Ray.

Interesting! Well I tested VirtuaLight and some other raytracers wich use
photon mapping and they're all rather slow in calculating. Due to the fact
that some Raytracers are using photon mapping anyway, what are the benefits
of those methods generally?

Regards,
Andreas


-- 
http://www.render-zone.com

Post a reply to this message