>>If the answer to the question above is true, than I could use a series 
>>of light positions to model the path of the sun through the day, and see 
>>the resulting reflector performance?
> 
> 
> again yes, You might want to write script to calculate X,Y,Z pozition of 
> sun, or input data from external file
>  
> 

You can use the "sunpos.inc" included in the standard POV distribution.

Regards,

-- 
Laurent ARTAUD (lau### [at] freefr)

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