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). 

  Try
http://wiki.povray.org/content/Knowledgebase:Language_Questions_and_Tips#Topic_13

-- 
                                                          - Warp

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