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From: cphoenix@csli.Stanford.EDU (Chris Phoenix)
Newsgroups: sci.virtual-worlds
Subject: Re: Stereoglasses, active technology
Message-ID: <7622@milton.u.washington.edu>
Date: 15 Sep 90 07:13:09 GMT
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In article <7609@milton.u.washington.edu> mkwan@mullauna.cs.mu.OZ.AU (Matthew Kw
an) writes:
>I went to the AUSGRAPH trade show this week in Melbourne, and Silicon
>Graphics had a 3-D setup running with wireless glasses.
>The glasses were synchronized with an IR transmitter mounted on the
>top of the monitor, and were completely separate (i.e. had batteries
>built-in).
>It was running off a Personal Iris with a special 3-D adaptor. Basically
>you draw the left picture in the top half of the screen, the right in
>the bottom, and the hardware does the rest.

You mean that if you looked at the screen without any glasses you'd see 
a picture on the top half of the screen and a different version of it on
the bottom half of the screen? 
This sounds like it wants prism glasses to merge the picture, not fancy
$2500 wireless LCD glasses.  I thought the point of LCD glasses was so you
could put a picture on the full screen...
Some people have told me that you actually do get a good 3-D view with
simple prism glasses (molded plastic, *cheap*) and drawing on two halves
of the screen.  This is another possibility for cheap 3-D effects.

-- 
War is a little naked kid running along a road and screaming because the 
napalm hurts so bad. War is young men in body bags -- theirs and ours. And 
the dying doesn't necessarily have anything to do with baseball, apple pie 
and the Grand Old Flag.  -- Mike Royko