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From: adm@cbneb.UUCP
Newsgroups: net.movies
Subject: Re: Re: 3d movies: does this make sense? - (nf)
Message-ID: <852@cbneb.UUCP>
Date: Thu, 24-May-84 17:20:54 EDT
Article-I.D.: cbneb.852
Posted: Thu May 24 17:20:54 1984
Date-Received: Thu, 31-May-84 19:19:46 EDT
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#R:charm:-36100:cbnap:19600004:000:876
cbnap!tjl    May 24 15:55:00 1984

>         Humans do not see in three D with only one eye.  If you
>   close one eye, even real life loses its three dimensional order.    
 
	This statement is of course quite wrong.  It implies that
    a one-eyed person could do no more than stumble around a room.
    	There are lots of visual clues to depth other than steroscopic
    vision.  These include limited depth of field, natural
    superimposition of objects, lighting to show form/curvature,
    lighting to show clustering of objects (all lit by one source),
    shared movement by groups of objects while observer
    is moving (close things seem to move more - try
    looking out a side window on a car).  In many situations, these
    clues are more useful than stereoscopic vision.
	Good photographers and film makers know how to exploit these
    clues to make images with very stiking sense of depth.