George Pantazopoulos wrote:
> 
> Sorry Christoph, I guess I've been reading too many global illumination
> papers, and they've been numbing my brain :) From my understanding so far,
> importance sampling attempts to reduce the rays needed, and/or put the ones
> cast to better use by not simply shooting rays/particles in a random manner,
> but by attempting to adaptively "target" them to the areas that will make
> the most difference.

Ah, i think i understand.

AFAIK POV-Ray does not do this currently, but i'm not sure how you would
accomplish that anyway (how to know in which directions sampling is
needed)

Christoph

-- 
POV-Ray tutorials, IsoWood include,                 
TransSkin and more: http://www.tu-bs.de/~y0013390/  
Last updated 20 Apr. 2002 _____./\/^>_*_<^\/\.______

Post a reply to this message