The documentation for POV 3.5 says "For realistic effects a fade power 
of 1 to 2 should be used.", then "If you set fade_power in the interior 
of an object at 1000 or above, a realistic exponential attenuation 
function will be used"...this is confusing.  Which is the realistic 
value, 1..2, or 1000+?

-- 
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean

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