POV-Ray: Newsgroups: povray.off-topic: A Christmas challenge

POV-Ray : Newsgroups : povray.off-topic : A Christmas challenge		Server Time 31 Oct 2024 12:16:06 EDT (-0400)

From: Orchid Win7 v1
Subject: A Christmas challenge
Date: 22 Dec 2013 14:11:42
Message: <52b7396e$1@news.povray.org>

1. Look at these two pictures:

http://upload.wikimedia.org/wikipedia/commons/8/82/Large_convex_lens.jpg

http://upload.wikimedia.org/wikipedia/commons/3/32/Concave_lens.jpg

2. Resist the urge to open POV-Ray. ;-)

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From: Warp
Subject: Re: A Christmas challenge
Date: 23 Dec 2013 11:36:28
Message: <52b8668c@news.povray.org>

Orchid Win7 v1 <voi### [at] devnull> wrote:
> 1. Look at these two pictures:

> http://upload.wikimedia.org/wikipedia/commons/8/82/Large_convex_lens.jpg

> http://upload.wikimedia.org/wikipedia/commons/3/32/Concave_lens.jpg

> 2. Resist the urge to open POV-Ray. ;-)

I wonder how well POV-Ray simulates those light beams reflected back
from the lens (I count at least 8 of them.)

-- 
                                                          - Warp

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From: Orchid Win7 v1
Subject: Re: A Christmas challenge
Date: 23 Dec 2013 11:40:18
Message: <52b86772$1@news.povray.org>

>> 2. Resist the urge to open POV-Ray. ;-)
>
> I wonder how well POV-Ray simulates those light beams reflected back
> from the lens (I count at least 8 of them.)

I don't know, but the first image has visible dispersion - so that 
should be fast to render... ;-)

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