POV-Ray : Newsgroups : povray.binaries.images : GSOPP : Re: GSOPP Server Time: 22 Jul 2019 23:35:02 GMT
  Re: GSOPP  
From: Jim Holsenback
Date: 27 Sep 2018 11:08:24
On 9/26/18 8:12 AM, clipka wrote:
> Am 26.09.2018 um 12:10 schrieb Jim Holsenback:
> 
>> since i used radiosity, area lights, focal blur and am3...next time i
>> have 62 hrs of free computer time i /might/ give it some more attention
> 
> While quality settings normally have a tendency to stack up pretty
> brutally, am3 is somewhat different in this respect, as it lets you get
> away with lower settings on other features - provided they can be set to
> produce random noise instead of biased artifacts.
> 
> For example, area lights can be set to produce random noise by turning
> on jitter. If you're using am3 anyway, you can then crank down on the
> other area light quality settings.
> 
> (Radiosity, on the other hand, is an example where this doesn't work, as
> its artifacts are biased, not random-noise-ish.)
> 
> 
> This comes in particularly handy when combining multiple "jitterable"
> features, e.g. area lights + media + SSLT + micronormals (the latter two
> always being "jittery" by nature).
> 

yeah i think i might give relaxing area light parameters and see if i 
can see any gains in time. you didn't say anything about focal blur. not 
jitter per se but it's mechanism noise based... right?


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