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000714_owner-lightwave-l _Tue Apr 25 15:13:11 1995.msg
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Received: by netcom22.netcom.com (8.6.12/Netcom)
id LAA29377; Tue, 25 Apr 1995 11:57:59 -0700
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Date: Tue, 25 Apr 1995 11:57:45 -0700 (PDT)
From: John Gross <jgross@netcom.com>
Subject: Re: Wanted: SHADOWS!
To: Justin Barrett <justin.barrett@tenforwd.bbs.net>
cc: lightwave-l@netcom.com
In-Reply-To: <9504220719362983@tenforwd.bbs.net>
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>
> I know how to use front-projection mapping on a dummy object so it will
> be in the place of a real-world object (i.e. a 3D floor object matched
> with the real floor), but I need shadows on this floor. To get front-
> projection-mapped surfaces to match a background image, they have to be
> 100% luminous, with no diffusion. Unfortunately, they won't receive
> shadows this way...at least not shadow maps.
You have to play with a combinationn of Diffuse and Luminosity to get the
match. A new feature called Shadow Alpha (4.0) will help out with this
and not having to use a combo.
JG