From: Kevin R
Subject: Re: Fur and negative ior - 2 attachments
Date: 22 Mar 2002 00:17:02
Message: <3c9abe4e@news.povray.org>
Cool images, btw!
- Kevin R.
"Sven Heinzel" <tra### [at] sirius666de> wrote in message
news:Xns### [at] sirius666de...
> Hello,>> Just some small 'experiments':> The first one simulates fur with a lot of cones and the second image is> a testing with negative ior.>> On my raytracing homepage are high resolution versions of these images> and some more.>> Sven>> --> Homepages> Raytracing: http://www.sternenwanderer.com/> Gaming: http://www.sirius666.de/>>
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From: Rick [Kitty5]
Subject: Re: Fur and negative ior - 2 attachments
Date: 22 Mar 2002 04:35:21
Message: <3c9afad9@news.povray.org>
> Yes, but the likelihood of your ever coming across such a material is
extremely low.
almost a negative .....
--
Rick
Kitty5 WebDesign - http://Kitty5.com
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From: Shay
Subject: Re: Fur and negative ior - 2 attachments
Date: 22 Mar 2002 09:30:24
Message: <3c9b4000@news.povray.org>
Rick [Kitty5] <ric### [at] kitty5com> wrote in message
news:3c9afad9@news.povray.org...
> > Yes, but the likelihood of your ever coming across such a material is> extremely low.>> almost a negative .....>
laugh.
-Shay
From: Stephen Bell
Subject: Re: Fur and negative ior - 2 attachments
Date: 26 Mar 2002 01:36:37
Message: <3ca016f5$1@news.povray.org>
If you were looking out of a dense material into another less dense material
(for instance, out of water into air) then it would appear to have a
negative ior. Also, if you had a vaccuum it would look like a negative ior
from our atmophere.
Stephen
"Kevin R." <$vjr#spam#iggle@mtcn$spam$et.net#> wrote in message
news:3c9a668e@news.povray.org...
> > The first one simulates fur with a lot of cones and the second image is> > a testing with negative ior.> Is negative ior possible in real life?>> - Kevin R.>> "Sven Heinzel" <tra### [at] sirius666de> wrote in message> news:Xns### [at] sirius666de...> > Hello,> >> > Just some small 'experiments':> > The first one simulates fur with a lot of cones and the second image is> > a testing with negative ior.> >> > On my raytracing homepage are high resolution versions of these images> > and some more.> >> > Sven> >> > --> > Homepages> > Raytracing: http://www.sternenwanderer.com/> > Gaming: http://www.sirius666.de/> >> >>>> --------------------------------------------------------------------------
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> ---->>> >> >> >>>
From: Marc Jacquier
Subject: Re: Fur and negative ior - 2 attachments
Date: 26 Mar 2002 02:12:28
Message: <3ca01f5c$1@news.povray.org>
3ca016f5$1@news.povray.org...
> If you were looking out of a dense material into another less dense
material
> (for instance, out of water into air) then it would appear to have a> negative ior. Also, if you had a vaccuum it would look like a negative
ior
> from our atmophere.>> Stephen>
Isn't it a ior < 1 ?
Marc
From: Marc Jacquier
Subject: Re: Fur and negative ior - 2 attachments
Date: 26 Mar 2002 12:28:21
Message: <3ca0afb5$1@news.povray.org>
Hey you know that I meant 0<IOR<1 don't you? :-)
3CA07E70.EBE83E6B@aicoss.de...
> Marc Jacquier wrote:> >> > Isn't it a ior < 1 ?>> Doesn't "negative" imply "<1" ? ;-)> But surely you are right.>> Markus