POV-Ray : Newsgroups : povray.text.scene-files : Ringworld scene : Re: Ringworld scene Server Time
21 Apr 2024 04:15:02 EDT (-0400)
  Re: Ringworld scene  
From: Thomas de Groot
Date: 11 Feb 2021 02:28:16
Message: <6024dc90@news.povray.org>
Op 10/02/2021 om 11:29 schreef Mike Horvath:
> On 2/9/2021 2:36 AM, Thomas de Groot wrote:
>> I wonder if at that distance an area_light is really effective. A 
>> point light (with parallel) would probably be much faster and without 
>> any visual difference.
>>
> 
> The area light is necessary to create the fuzzy shadows. (Otherwise 
> shadows would have a sharp edge and the lighted regions would be larger 
> than the shadow regions IIRC.)
> 
> A 6x6 area light may be excessive though. Dunno.
> 
> 
> Mike

Ah, yes. Forgot about the shadow squares indeed. I seem to remember now 
that I had some trouble of the kind, back when I modelled the Ringworld 
(ten years ago? I am not sure)

-- 
Thomas


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