I am writing a term paper on POV-RAY and ray tracing in general.  In my
research I have come accross the terms "backward", "forward" and
"hybird", as the methods of creating the algorithm to simulate the light

waves.  I was wondering which method POV-RAY uses?

Can anyone point me in the direction of where I can get information
specifically about POV-RAY and raytracing in general (history, the
original software, the original purpose, etc).

Thanks in advance,
Ric

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