POV-Ray : Newsgroups : povray.newusers : slim photon rendering : Re: slim photon rendering Server Time
28 Jul 2024 18:22:34 EDT (-0400)
  Re: slim photon rendering  
From: CAD-Andi
Date: 15 Jan 2008 13:55:00
Message: <web.478d014ff8645352b62362f80@news.povray.org>
"Slime" <fak### [at] emailaddress> wrote:
> > A Mirror Surface (does not need to be visible, just must perfectly reflect
> the
> > light.)
>
> If it's a planar mirror, you don't need photons at all. Just make a flat box
> that represents the surface of the mirror and use this with a
> projected_through light source. If this light source is on the opposite side
> of the mirror, so that it's in the "mirror image" position of the real
> light, then it will send light in exactly the right direction as though it
> bounced off the mirror.
>
> You might have to move the flat box very slightly off the surface of the
> mirror to avoid coincident surface issues.
>
>  - Slime
>  [ http://www.slimeland.com/ ]

Hi Slime!

Absolutely right! This works perfect for a planar mirror. Unfortunately I have
to deal with convex and free-form shaped mirror surfaces. Great idea though and
I may end up implementing it for the case of planar mirrors. Thanks!
Anything else how I really could give those photons a push?


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