POV-Ray: Newsgroups: povray.bugreports: Partial Output does not match Single-Pass Output on some files: Re: Partial Output does not match Single-Pass Output on some files

POV-Ray : Newsgroups : povray.bugreports : Partial Output does not match Single-Pass Output on some files : Re: Partial Output does not match Single-Pass Output on some files		Server Time 25 Mar 2023 10:09:56 EDT (-0400)

From: William F Pokorny
Date: 10 Jul 2018 09:05:22
Message: <5b44af12$1@news.povray.org>

On 07/10/2018 08:17 AM, clipka wrote:
> Am 10.07.2018 um 09:39 schrieb Lloyd:
> 
>> I am interested in using POV-Ray in a distributed computing environment, in
>> which I may have many compute nodes available for rendering.  One requirement
>> for this project is that an image rendered in a single pass should match exactly
>> an image that is rendered in pieces with Partial Output and then properly
>> reassembled.
> 
> There are certain features that - at least currently - can't be used in
> this manner.
> 
> Probably the most influential such feature (in terms of its effect on
> the result image) is radiosity: During pretrace, POV-Ray decides where
...
> 

 From memory, I'll add that benchmark.pov & benchmark.ini have both 
basic jitter and an area light jitter on which you'd want off - even 
when trying to reproduce full frames render to render.

"...rendered with POV-Ray on 3 Amazon EC2 c4.8xlarge machines." - cool!

Bill P.

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