POV-Ray : Newsgroups : povray.binaries.images : Translucency 3 : Re: Translucency 3 Server Time
1 Aug 2024 20:12:57 EDT (-0400)
  Re: Translucency 3  
From: Alain
Date: 14 Mar 2008 14:45:27
Message: <47dad5d7$1@news.povray.org>
Blue Herring nous apporta ses lumieres en ce 2008/03/14 14:26:
> "Thomas de Groot" <t.d### [at] internlDOTnet> wrote:
>> Maybe that would disappear with (higher) radiosity settings? Instead of
>> focal blur.
> 
> Hmm, not sure, I thought I had fairly high settings, but perhaps I'm off
> somewhere.  I'm using the two-pass method with the settings:
> 
> pretrace_start 0.32
Changing the pretrace_start usualy have little to no effect. Keep the default of 
0.08.
Changing by some small value may, in some cases, get rid of some artefacts near 
corners.
> pretrace_end   0.02
Default value.
Try reducint this to 0.01, 0.005 or 0.0025
> count 400
Maybe a larger value here? Try 600 or 800.
> nearest_count 5
That's the default value.
You can go up to 20. Low effect on render time, can greatly improve end result.
> error_bound 1
> recursion_limit 3
Default value.
> low_error_factor 0.5
Meybe try a somewhat smaller value. Will take more time on the final pretrace step.
> gray_threshold 0
Default value.
> minimum_reuse 0.015
Default value.
You may need a value larger OR smaler. Don't go over 0.02. Don't go to small, as 
smaller values will increase the render time.
> brightness 1
Default value.
> adc_bailout 0.01/0.4
That's 0.025, probably to large. Try adc_bailout 0.01/3 or 0.01/4.
> normal off
Default value.
> media off
Default value.
> 
> -The Mildly Infamous Blue Herring
> 
Every time you use a default value, you can skip that option.

-- 
Alain
-------------------------------------------------
Keep your boss’s boss off your boss’s back.


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