Mike Horvath <mik### [at] gmailcom> wrote:
> On 1/25/2016 9:02 AM, clipka wrote:
> > Presuming the area light is supposed to simulate a structure somewhat akin to a
> > long cylinder, I would set fade_distance to the radius of that structure; to get
> > the proper behaviour along the length of the area light, I would suggest using
> > area_illumination.
>
> I experimented with fade_distance by setting it to the radius of the
> lamp object, but it makes the scene too dark.
>
> > For realism, fade_power should always be 2. Note that you may have to
> > significantly increase the light source's brightness.

Multiply the light source's color by (1 + pow (D / R, 2)) / 2, where R is the
fade_distance, and D is the radius of the colony interior.

Post a reply to this message