> Am 02.09.2015 um 20:59 schrieb Cousin Ricky:
>> On 2015-09-02 09:49 AM (-4), clipka wrote:
>>> I would recommend using a non-zero fade_distance, set to be equal to the
>>> corresponding object's radius. That more closely mimicks the
>>> characteristics of a non-point light source.
>>
>> Is this true even for area_illumination with circular orient?
>
> Hum - that's a good question I've never thought about. But by extension
> of what I said, if you model a single non-point light source as an array
> of smaller light sources, then those smaller light sources'
> fade_distance should be set equal to their radius, so for a highly
> subdivided area_illumination light source the fade_distance should
> indeed probably be close to zero.
>

But, if I remember the documentation correctly, setting fade_distance to 
zero effectively turn light fading off.

So, a very small, but non-zero, value is required.

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