POV-Ray : Newsgroups : povray.newusers : How can I fix surface perfections on my render? : Re: How can I fix surface perfections on my render? Server Time
16 Sep 2021 20:45:32 EDT (-0400)
  Re: How can I fix surface perfections on my render?  
From: Alain Martel
Date: 10 May 2020 12:18:48
Message: <5eb82968$1@news.povray.org>
Le 2020-05-09 à 19:59, Bald Eagle a écrit :
> 
> "circuit" <nomail@nomail> wrote:
> 
> Update to #version 3.8 if at all possible.
> 
>>          Antialias_Threshold=0.05
> 
> I truly don't know squat about aa settings, but maybe try 0.3 - which seems
> standard.

That antialias setting is ok for final renders. A good compromise would 
be something like 0.1.

> 
> 
>>              // Standard finish
>>              #declare StdFinish = finish { crand 0.01 diffuse 0.8 };
> 
> Get rid of crand.  _Especially_ if you're doing an animation.
> Diffuse seems a bit high, I might be tempted to add a touch of specular
> (0.1-0.2), but that's inconsequential to your problem.

I agree.

> 
> 
>>              //default light
>>              light_source {
>>                  cam_location
>>                  color White
>>                  area_light <100, 0, 0>, <0, 0, 100>, 10, 10
>>                  adaptive 1
>>                  jitter
>>              }
> 
> That seems - excessive?  Especially for a simple render.
> And it might have something to do with the weird look.
> Just use a standard point light source, and you'll get adequate lighting and
> good shadows.

Yes, should use adaptive 0

> 
> Hard to really say what other potential problems may be without seeing the scene
> as a whole.   You can post .pov files in the scene files section if the above
> doesn't fix anything.
> 
> 
>


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