POV-Ray : Newsgroups : povray.binaries.images : Using media to approximate MegaPov Glows, take 2 : Re: Using media to approximate MegaPov Glows, take 2 Server Time
6 Oct 2024 07:15:43 EDT (-0400)
  Re: Using media to approximate MegaPov Glows, take 2  
From: [GDS|Entropy]
Date: 26 Feb 2014 18:15:01
Message: <web.530e7526a70b5e4fddb0c31e0@news.povray.org>
Alain <kua### [at] videotronca> wrote:
> As the default sampling method for media is method 3, using intervals
> with a value larger than 1 have very bad effec on the rendering time.
> Also, as the documentation state, "Too many intervals can lead to
> artifacts, and POV will create more intervals if it needs them."
> The default is 1 and should be left at that.
>
> Also, samples 10, 100 is the same as samples 10. ONLY the first value is
> used and the second is silently ignored.
>
> Similarly, ratio, been needed to determine the relative weight of the
> intervals, no longer have any object and is not used.
> The same apply to confidance and variance as they are used to decide if
> you need more samples for an interval or not.
>
> The default values are:
> method 3
> samples 10
> intervals 1
>
> variance is NOT used
> confidance is NOT used
> ratio is NOT used
>
>
>
> Alain

That is a lot of info that I did not know, there; thank you! :)

I am using method 2 exclusively, but now that I know the second number is
pointless, I'll remove it for cleanliness. I do not use variance, confidence or
ratio either. :)

Ian


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