POV-Ray : Newsgroups : povray.binaries.images : Progress on anniversary scene : Re: Progress on anniversary scene Server Time
19 Apr 2024 17:36:23 EDT (-0400)
  Re: Progress on anniversary scene  
From: Cousin Ricky
Date: 19 Feb 2024 12:34:00
Message: <65d39108$1@news.povray.org>
On 2024-02-19 13:20 (-4), Cousin Ricky wrote:
> On 2024-02-11 11:29 (-4), Alain Martel wrote:
>>
>> Maybe also increase the jittering of the photons. It looks like there is
>> none.
> 
> Jitter is turned on permanently, and as recommended in the POV-Ray
> reference, I have not changed the default value.  (I neglected to
> mention this in the DeskLamp user manual.)  Are you attributing the
> discrete rainbow stripes to non-jittering?  That is most likely due to
> imperfect anti-aliasing (interpolate 2) in the image map used to define
> the glass '30'.

I just realized I confused photons jitter with area light jitter.  But
since I have not used the jitter keyword in the photons global_settings
block, the default carries.  Since the same photons global settings were
used in both images, this cannot be the problem anyway.


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