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On 22-9-2017 18:36, clipka wrote:
> 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.
>
"should be able" meaning that it cannot do that yet, I suppose?
--
Thomas
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