Am 25.01.2016 um 22:46 schrieb Mike Horvath:
> On 1/25/2016 4:37 PM, clipka wrote:
>> Think of it this way: If you reduce the density of a gas, you reduce the
>> probability that any given light ray hits a gas molecule and is diverted
>> from its original direction to a new one: Light en route to the camera
>> from the background has less chance of being diverted /away/ from the
>> camera, while light en route to anywhere in the scene from a light
>> source has less chance of being diverted /towards/ the camera.
> 
> I still don't understand why lowering the density of the gas darkens the
> scene more than not having any media at all.

Are you absolutely sure it does, and you're not seeing the effect from
any other difference?

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