Sorry to ask this (maybe stupid and denoting a total lack of knowledge on
how POV-Ray works) question, but is it possible to gather and dump to a
file raytracing informations during the raytracing process, for example by
using SDL ?

I think for example of the possibility to gather for each ray the initial 3D
vector parameters of this ray from the camera, and then to get the end 3D
vector after the raytracing process for this ray (and/or the point in the
"world" where it gets).

I would like to use POV-ray to gather informations about the effects of
refraction of a "complex" scene mainly made of transparent objects. Is it
possible ?

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