Hi folks.

I'm trying to work out how to render some complex surfaces with a CD-like
diffractive finish. I can't visualise it, so I can't cheat as I would if I
only wanted a CD: I want the computer to calculate it for me.

I can't find any mention of diffraction in the POV-Ray keywords; can someone
confirm that it's not supported? Is anyone working on something like this?

If not, the 'irid' keyword changes colour based on light/surface angle, and
I know diffraction is related to the incident angle (and wavelength, path
difference, etc), so I'm guessing I could start hacking things there and
mess about with photons?

Cheers,

Tim

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