I remember reading that the Mersenne Twister algorithm (and I think there
are various improvements to it now) is supposed to be a very good, fast
pseudorandom generator. Has anyone looked into it yet?

George


"Thorsten Froehlich" <tho### [at] trfde> wrote in message
news:3e157f92$1@news.povray.org...
> In article <3E155F55.1A237A45@gmx.de> , Christoph Hormann
> <chr### [at] gmxde>  wrote:
>
> > Another thing i have been thinking of is if it would not be better to
have
> > a uniform distribution but weight the sample rays according to cosine
> > theta.  At least it could be worth trying if that diminishes radiosity
> > artefacts in some situations.
>
> Keep in mind that such a method will very likely require more samples to
be
> taken.  Most pseudo-random functions simply don't give you too nice values
> for a small set of samples (like the 35 default).  My guess (or hope?) is
> that the current table has been tweaked accordingly for small sample sets.
>
>     Thorsten
>
> ____________________________________________________
> Thorsten Froehlich, Duisburg, Germany
> e-mail: tho### [at] trfde
>
> Visit POV-Ray on the web: http://mac.povray.org

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