POV-Ray : Newsgroups : povray.advanced-users : Area light : Re: Area light Server Time
23 Apr 2024 21:14:34 EDT (-0400)
  Re: Area light  
From: Mike Horvath
Date: 6 Aug 2018 05:32:49
Message: <5b6815c1$1@news.povray.org>
On 8/6/2018 4:51 AM, clipka wrote:
> Am 06.08.2018 um 07:57 schrieb Mike Horvath:
>> In one of my scenes, I have constructed my own area light by placing
>> multiple point lights using spherical coordinates, so that a bulb or sun
>> is simulated and shadows are smoothed a bit.
> ...
>> However, IIRC, POV-Ray's own area light syntax allows for similar
>> effects. What are the advantages of POV-Ray area lights over the method
>> I selected above?
> 
> Firs of all, from a quick glance at your code it seems to me that you're
> actually constructing a (uniform) light dome, not an area light. At
> present, POV-Ray doesn't do light domes (except indirectly via sky
> spheres and radiosity).
> 
> The difference between a light dome and an area light is that a light
> dome covers an entire hemisphere (or even an entire sphere), while an
> area light is (or simulates) a localized array of light sources.
> 

Ah, sorry. The lights I created are located at the center of a solar 
system, so they cover a relatively small area of the much larger scene. 
So I am wondering if it might not just be easier to replace the lights 
(the sun) with one area light.


Mike


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