"Warp" <war### [at] tagpovrayorg> wrote in message
news:39805cf5@news.povray.org...
> Tom Melly <tom### [at] tomandluf9couk> wrote:
> : Is there anyway, when using iso-surfaces, of returning the max and min
> : values of the surface for y?
>
>   For many function this can be analytically impossible to calculate.

So what is POV doing? Does it calculate the surface in some way that doesn't
depend on "knowing" where the surface is?

> You
> can try to approximate with some stochastic algorithm.
>

Well, you could. Meanwhile, I'll go and look up "stochastic" in the
dictionary.

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