In article <3d3ed6fa@news.povray.org>, Micha Riser <mri### [at] gmxnet> 
wrote:

> But how would you combine the sample values to the final value? Average 
> would be much too dark. Sum of course depends on the number of samples.. 
> One would kinda have to estimate the number of all possible paths by 
> measuring the samples trace depth and then mulitplicate the average by that 
> number.

The sum should do the job...it would be darker than you would get by 
tracing all the paths, but ideally the paths that are skipped would have 
little contribution anyway. The first few samples are what would really 
determine the color, the "root" of the tree would fill in first, it is 
the furthest branches that would get left out. A simple scaling factor 
could compensate for that, maybe automatically depending on depth.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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