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P3D Re: 3-DVG effect vs. the normal illusion of depth

  • From: KenDunkley@xxxxxxx
  • Subject: P3D Re: 3-DVG effect vs. the normal illusion of depth
  • Date: Fri, 6 Feb 1998 14:39:25 EST
In a message dated 98-02-06 13:46:59 EST, you write:

<< 
 Surely the spatial clue comes from the fact that the car IS IN FRONT of the
 truck! We are so used to perspective and the relative size of near and far
 away objects that we just 'know' that the car is closer than the truck.
 
 Seems very obvious to me....
 
 Les, Dallas >>

But Les, both colors lie on a flat surface, and are actually equidistant from
the observer.  Once you detect the 3-DVG effect you will be able to perceive a
clear and definite depth distinction between objects in a picture. This
distinction goes well beyond the normal illusion of depth inhent in any
picture based on perspective and relative size as you suggest.  Your response
raises the question: were you able to detect the 3-DVG effect? 

Respectfully submitted
Ken


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