"SharkD" <nomail@nomail> wrote:
> "Killroy Quartermaine" <iam### [at] yahoocom> snipped most of this post:
> > So I was thinking about modelling a fresnel lens using CSG, and I have two
> > questions.
>
> You could take a bunch of spheres, chop them into the requisite bits, and then
> put them all into a single union. This is the basic idea behind a fresnel lens,
> if I read the Wikipedia article correctly. You would basically be simulating (or
> re-enacting) the actual construction process behind the earliest lenses.

Well, I'll be. Yeah, that's actually a far better way to do this, I think.
Thanks.

>
> As for the rest, I can't say as I've never tried to simulate optics in POV-Ray.
>
> -Mike

well, when I've got it done, I'll let you know how it all works out.

Post a reply to this message