Severi Salminen wrote:
>  I simply love the idea of brute force rendering:
> no need to tweak 30 parameters to get perfect results.

brute force methods like path tracing or finite step methods like photon 
mapping are just different methods of solving the infamous "rendering 
equation".  The finite step methods give very reasonable results in far 
shorter times in exchange for a little tweaking.

In povray, neither radiosity nor photon mapping really require all that 
amount of parameters to be tweaked, because there's not that much and 
the defaults are sensible enough.  More likely you'll just need 
experience and knowledge to get right the 5 or 6 parameters that really 
need tweaking...

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