Alain,

I used cylindrical lenses just for amusement.  You may care to visit my
web-site 'donzoptix.co.uk' to see some of my work with complex optical
systems, including multi-element zooming lenses and aspherical surfaces.

So....have you actually created with a lens an image of a glowing slide,
using double-illuminate and radiosity?

Alain <ele### [at] netscapenet> wrote:
> Alain nous apporta ses lumieres en ce 06/07/2006 13:24:
> After further testing, and remembering another post, I came up with another
solution:
> 1 - Remove all photons from the scene.
> 2 - Remove all lights.
> 3 - Give your slide a high ambient like finish{ambient 5} and remove the transmit.
> 4 - Add this in the global_settings: radiosity{count 150}
> You may also use a spot light that illuminate the slide from it's front, or a light
at the back and
> use double_illuminate for the slide.
>
> Note: two crossed plano-cylindrical lences are not good at generating an image,
beter to use a
> plano-spherical one.
>
> --
> Alain
> -------------------------------------------------
> WARNING: The consumption of alcohol may lead you to think people are laughing WITH
you.

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