Am 22.09.2017 um 17:19 schrieb Kenneth:

> I haven't played around much with scattering media's various types (usually
> using just type 1.) But I've noticed an additional haze effect in real life that
> can't(?) be easiily reproduced, if at all: In a rain-type misty atmosphere (not
> actual raindrops, but *heavy* mist), distant light sources like streetlights
> look slightly *blurred.* I don't know what the physical reason for this is
> (probably a complex phenomenon involving multitudes of different IORs of the
> tiny misty 'drops'), but its an effect that would add a bit more realism to a
> hazy scene. I have no idea if any other raytracing renderer can do this.

That effect is caused by anisotropic scattering, with rays mostly
scattered in a direction close to the original direction.

And yes, POV-Ray should be able to do it.

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