Am 05.12.2016 um 17:14 schrieb omniverse:

> A test of 2 spheres, rgb 1 and rgb 0 both with emission -1, caused only a
> darkened area for the white (now black) sphere on a white plane.
> Black sphere with emission -1 made no change to the white plane below it.
> 
> I take from this that color > 0 is required for emission to do anything. This in
> turn makes me think there should be some way to get a black or dark object to
> enhance the darkness around it.

Try positive emission with a negative pigment ;)

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