From: minerva!diego@beaver.cs.washington.edu (Diego Montefusco)
Subject: Re: PHIL/INFO: Virtuality
Date: Wed, 15 Jul 92 13:06:20 CET



In <9207150700.AA22268@milton.u.washington.edu>, on Jul 15, you wrote:

> From: cmcl2!acfcluster.nyu.edu!drennan@uunet.UU.NET (XIXAX)
> Subject: PHIL/INFO: Virtuality
> Date: Mon, 13 Jul 1992 03:29:28 GMT
> Organization: New York University
> 
> [Stuff deleted]
> 
> I guess my first question is: Is not most of what is described as Virtual
> Reality just alternative ways of interfacing with a machine? 

I think infact that VR is an ALTERNATIVE WAY OF INTERFACING. I think
this is the point. If it is the best way, or at least a better,
remains to be seen, even if I think so.

Professor Gardin, from the University of Milan, says that even when
you are using a Macintosh-like word processor (and, more in general, a
direct manipulation interface) you are interacting with an Artificial
Reality: you have a virtual paper and a virtual pen, mimicking only
some of the real-pen real-paper aspects, and creating other
characteristics real ones don't have (moving text around) - he calls
those tool PERFECTOR (actors which add capabilities: another example
is a Draw-Line tool which allows you to draw perfectly straight lines,
even if your hand quivers...)

I like this point because it shows how VR is not a major break with
past, only an evolution of a trend already clear, with better ways of
interfacing.  And I like this.

So, from a interface point of view, VR is just a direct maniulation
interface: you reach out and grab a data, a file, or a CPU to assign
it to a different task in a multiprocessor environment...

We can gain again (eh eh), at a higher level, that PHYSICITY in
manipulating computers we had when programming old ENIAC, by moving
around cables and plugs...

> is there no worry that VR might find itself 
> on the heap with AI? Meaning, the study of sensory input, as it progresses,
> might reveal that it is much much more complex than previously imagined,
> leaving the goal not closer, but further away. (My (humble) view of AI)

I agree with your opinion about AI.

Quoting someone else of this group (that probably will answer) the
difference is that NOW, with millions of dollars you CAN have an
almost sci-fi virtual reality (photorealism, fast update, high HMD
resolution with adaptive gaze- directed rendering and increased
definition, force feedback, 3D sound...), while, even with LOTS of
money, even in AI best days, you were NOT able to have a thinking
machine... Again, I am just quoting, perfectly agreeing.

Diego

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 Diego Montefusco                minerva!diego@hp3.sm.dsi.unimi.it
  Via Pirano 4
  20127 Milano                      montefus@ghost.dsi.unimi.it
    ITALIA
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