POV-Ray : Newsgroups : povray.beta-test : Povray Progress : Re: Povray Progress Server Time
5 Oct 2024 15:06:46 EDT (-0400)
  Re: Povray Progress  
From: Carlo C 
Date: 9 Apr 2009 08:15:01
Message: <web.49dde5f4ce34f70755df90d60@news.povray.org>
"clipka" <nomail@nomail> wrote:
> "Carlo C." <nomail@nomail> wrote:
> > Another question, clipka. :-)
> > You think that is useful to work around a "count", like Megapov, to understand,
> > to offer the possibility *count > 1600* (with sample statement)?
> > Or you think that it is not necessary?
>
> I think that the question is moot, and that the whole fixed-count approach is a
> dead-end road. My vision is an adaptive sampling, based on both the brightness
> actually encountered (like the adaptive algorithms used for area lights or
> anti-aliasing) and hints from the scene designer (like the "portals" in MCPov).
>
> As far as fixed-count sampling goes, I think it makes sense to ditch the currend
> sampling pattern altogether, and instead implement an algorithm that computes a
> suitable pattern at startup based on the chosen count - which then would
> basically have no upper limit.
>
> Unfortunately, there does not seem to be any documentation about how the current
> fixed sampling pattern was generated.
>
>
> However, there are still a number of things that rank higher on the radiosity
> agenda; load_file/save_file for instance, which is still out of order; and some
> old kludges in the algorithm I want to get rid of.

Exhaustive answer, as usual.
Danke.

--
Carlo


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