POVRay's units are just that... units. They bear no relationship to real 
world units what so ever. I regularly change what they mean between 
different scenes... If I am rendering a molecule, I might define that 1 unit 
is a nanometer. If I am rendering a spaceship I'll probably use 1 unit= 1 
meter... As an astronomer I often use 1 unit=1000Km...

Pick a scale that is appropriate for your scene... I'd suggest for scenes of 
the normal human scale, 1 unit = 1 metre is a good baseline.

Rarius

"SharkD" <nomail@nomail> wrote in message 
news:web.467a2fc15f1b9d1296f3cfc0@news.povray.org...
> What real-world measurements do POV-Ray units represent. Do to the way
> interior media work, surely there must be a base-value of some sort.
>
> -Mike
>
>

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