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From: leech@cassatt.cs.unc.edu (Jonathan Leech)
Newsgroups: comp.graphics
Subject: Re: 4D Visualization (If you think you do it, you probably don't)
Message-ID: <11982@thorin.cs.unc.edu>
Date: 10 Feb 90 19:13:18 GMT
References: <99@emtek.UUCP> <16033@well.sf.ca.us> <6162@eos.UUCP> <487@enuxha.eas.asu.edu> <6174@eos.UUCP>
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Reply-To: leech@cassatt.cs.unc.edu (Jonathan Leech)
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In article <6174@eos.UUCP> eugene@eos.UUCP (Eugene Miya) writes:
>This brings and important issue: using the real world to work with
>images.  On a screen I can hold a ruler/scale up.  No good its a
>rendering of a 3-D object (right?).  Can't do it easily with stereo systems.
>You have your virtual globe in the middle of the room, what mechanism
>can one place a the tape measure in my pocket to measure distance?

    Use a virtual measuring tape, of course (no :-) here).  Or, more
generally, a mechanism for finding and characterizing geodesics on the
object you're inspecting.
--
    Jon Leech (leech@cs.unc.edu)    __@/
    "Enhanced 386... Runs Unit, Zenix, 0s/s & DOS..."
	- Competitive Computer Components Ad, Computer Shopper 1/89