POV-Ray : Newsgroups : povray.pov4.discussion.general : Feature Adjustments: Area lights and Jittered Reflection/Refraction : Re: Feature Adjustments: Area lights and Jittered Reflection/Refraction Server Time
28 Nov 2023 14:52:19 EST (-0500)
  Re: Feature Adjustments: Area lights and Jittered Reflection/Refraction  
From: Warp
Date: 20 Mar 2010 09:28:33
Message: <4ba4cd81@news.povray.org>
John VanSickle <evi### [at] hotmailcom> wrote:
> Currently, it appears that while shadow calculations are based on the 
> position of individual lights in the area light, shading calculations 
> are based strictly on the center point of the area light, which means 
> that the diffuse lighting and highlights will appear as if based on a 
> point light source.  Shading should be calculated based on the location 
> (including adjustment for jitter) of each sub-light in an area light.

  Try using the 'area_illumination' keyword in POV-Ray 3.7.

> Thirdly (and I am sure that this has already been suggested), allowing 
> jitter of reflected and refracted rays would very easily implement 
> blurred reflections and refractions, making some nice effects available 
> (with a sufficiently high anti-aliasing level in the overall render). 


                                                          - Warp

Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.