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000419_owner-lightwave-l _Wed Sep 14 23:09:29 1994.msg
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1995-03-23
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Received: by mail2.netcom.com (8.6.9/Netcom) id WAA29388; Wed, 14 Sep 1994 22:25:11 -0700
Received: from nwnexus.wa.com by mail2.netcom.com (8.6.9/Netcom) id WAA29368; Wed, 14 Sep 1994 22:25:05 -0700
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To: lightwave-l@netcom.com
Subject: Re: Refraction
From: bobm@lightspd.wa.com (Bob Mueller)
Comments: Lightspeed Partner
Message-Id: <VXgosc9w165w@lightspd.wa.com>
Date: Wed, 14 Sep 94 21:57:06 PDT
In-Reply-To: <9409141044.aa24592@hubbub.westford.ccur.com>
Organization: Lightspeed Design Inc. Bellevue, WA, USA
Sender: owner-lightwave-l@netcom.com
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Reply-To: lightwave-l@netcom.com
Mark Thompson <mark@westford.ccur.com> writes:
> > However, when I
> > turn *on* refraction, my image renders first, (and *solid*) and then my
> > background renders behind it.
>
> This is a common mistake. You cannot trace refraction through a surface to
> a background image because background images have no actual location in 3D
> space.
Thanks, Mark. Its working well now!
> BTW, my next article for LWPro deals with techniques and issues for using
> refraction in LightWave.
Looking forward to it! Is that bug which required a refractive index of 1.001
of no concern anymore? (Having read your post of long ago regarding that one,
I have been using 1.001, not 1.1 as I wrote. I haven't yet set it back to 1.0
since my last *successful* experiment with refraction.)
Thanks again,
bOB
*~ *~
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