POV-Ray : Newsgroups : povray.beta-test : Radiosity Status: Giving Up... : Re: Radiosity Status: Giving Up... Server Time
28 Jul 2024 12:31:49 EDT (-0400)
  Re: Radiosity Status: Giving Up...  
From: Thorsten Froehlich
Date: 29 Dec 2008 07:52:41
Message: <4958c819$1@news.povray.org>
clipka wrote:
> Thorsten Froehlich <tho### [at] trfde> wrote:
>> Boost / ISO C++ 2009 STL provide suitable random number generators that
>> support distribution over a hemisphere as needed by radiosity code.
> 
> Distribution over a hemisphere is not enough for radiosity. There needs to be a
> particular bias towards the "zenith".

For small samples sizes, yes, but for large sample sizes assigning a weight 
to samples depending on their hemisphere location gives you the same effect.

	Thorsten


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