Am 02.05.2018 um 15:40 schrieb Roland Mösl:

> Is there any setting in POVRAY where it is calculated whether a point is
> not only illuminated directly by one of the defined light sources, but
> also checkes whether a ray of light hits the point via surfaces defined
> as mirrors?

The feature you're probably looking for is "photon mapping": In essence,
you'd tell POV-Ray: "Look what happens to light that hts this mirror",
and POV-Ray would take into account such reflected light.

To this end, you'd have to enable photon mapping /per se/, and define
the mirror as a "photon target".

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