POV-Ray : Newsgroups : povray.binaries.images : Gancaloon: Old City street new version : Re: Gancaloon: Old City street new version Server Time
30 Jul 2024 06:26:24 EDT (-0400)
  Re: Gancaloon: Old City street new version  
From: Alain
Date: 14 Apr 2013 11:55:07
Message: <516ad15b$1@news.povray.org>

> Thomas de Groot <tho### [at] degrootorg> wrote:
>> On 12-4-2013 15:03, s.day wrote:
>>> Would be nice to see a radiosity version of this image as well (I assume the
>>> lighting is ambient currently?)
>>
>> Strange you say this. This *is* a radiosity version ;-)
>>
>> Currently:
>>
>>     radiosity {
>>       pretrace_start 0.08
>>       pretrace_end   0.004
>>       count 50, 500
>>       nearest_count 10, 5
>>       error_bound 0.6
>>       recursion_limit 2
>>       low_error_factor .3
>>       gray_threshold 0.0
>>       minimum_reuse 0.010
>>       maximum_reuse 0.1
>>       brightness 1
>>       adc_bailout 0.01/2
>>       normal off
>>       media off
>>       always_sample off
>>     }
>>
>> Thomas
>
> Oops.. sorry, I guess looking at the inside of the windows it shows radiosity
> effects, I think the shadows of the buildings on the road and to a certain
> extent the shadows on the walls in many areas look too consistent, I would
> expect them to darken a bit as they get into corners etc..
>
> I assume you have ambient_light set to zero in the scene? (looking at the
> darkness inside the windows would point to this being set I guess).
>
> Will look more closely before I comment again ;-)
>
> Sean
>
>

Rendered with version 3.7, so, ambient get automativaly turned OFF as 
soon as radiosity is activated.
You can tell it use version 3.7 when you see double values after count 
and nearest_count, as well as the presance of maximum_reuse.


Alain


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