Path: utzoo!attcan!uunet!lll-winken!ames!xanth!mcnc!thorin!piglet!leech
From: leech@piglet.cs.unc.edu (Jonathan Leech)
Newsgroups: comp.graphics
Subject: 3-D perceptual abilities
Keywords: TV 3-D graphic
Message-ID: <6382@thorin.cs.unc.edu>
Date: 27 Jan 89 05:24:33 GMT
Sender: news@thorin.cs.unc.edu
Reply-To: leech@piglet.UUCP (Jonathan Leech)
Organization: University Of North Carolina, Chapel Hill
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    All this discussion about 3D leads me to wonder how widely people
vary in their ability to perceive different types of 3D. For example,
several years ago I was taught how to use a stereo microscope to
search for asteroids. The idea was to make an image from two plates of
the same part of the sky taken 15 minutes apart. The stars would not
move, but any asteroids would move slightly.

    The stereo effect was supposed to make asteroids stand out from
the flat starfield. As it happened, they did not seem to stand out
very much for me, and I reverted to using it as a blink microscope
instead (good exercise for the eye muscles :-) Do many people have
this type of problem?
--
    Jon Leech (leech@cs.unc.edu)    __@/
    SUSHIDO: the Way of the Tuna