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EnigmA Amiga Run 1998 July
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EnigmA AMIGA RUN 29 (1998)(G.R. Edizioni)(IT)[!][issue 1998-07 & 08].iso
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IFD_Glass
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1998-02-19
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968b
Date: Wed, 26 Nov 1997 13:50:07 +0100
From: Frank Van der Auwera <Frank.VanderAuwera@UIA.UA.AC.BE>
Subject: Re: [IML] Quest: I4D Glass
On Wed, 26 Nov 1997 02:35:28 -0600 "Stephen G."
<sgiff@AIRMAIL.NET> wrote:
> At 06:18 PM 11/25/97 GMT, you wrote:
SNIP
> >if Impulse changed anything for IFW. There was a discussion on the list a
> little
> >while ago about black spots appearing where they shouldn't in glass
> renders.
SNIP
> Yes there is a problem with I4D glass in it's refraction settings. As I
> recall it is not correct but you can still do fairly decent glass in I4D,
> but it won't look 100% real glass since it refracts too much. It shouldn't
> be much of a problem.
>
The refraction is way too high in I4D. You have to set an
index of refraction that is much lower than normal, and it
will look m.o.l. right. I have an illustration of the
difference on http://www.ua.ac.be/u/fvdauwer/img/refr.html
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