clipka <ano### [at] anonymousorg> wrote:
> 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.

One complication is that points near the center of the grid are in the same
plane as points on the edge of the grid, which should not be the case for a
spherical extended light source.

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