[photo-3d] Re: pseudo 3d

["Kenneth Luker" <kluker@xxxxxxxxxxxxxxxx>]

 > Here's an interesting site - the "black hole" effect is one
 > of the most strikeing I've seen to convey pseudo 3d effect with
 > a 2d image...

Very interesting.  I put a dark lens over my left eye to 
check for pulfrich effect with this display and found that 
the upper half of the rotation seems concave, the lower 
half convex.  Putting the dark lens on the right eye 
reverses the illusion and makes the upper half seem like a 
cone receding base-first into the screen.  Your results 
may differ.  There is also an interesting after-image that 
occurs after you've stared at this revolving image for 
awhile:  Look at another screen after you close the 
rotating one, and the area around your point of vision 
seems to be rotating in the opposite direction!  It's like the 
effect you get when you stare out the window of an 
airplane approaching the gate: when you finally stop, the 
window scene seems to be moving forward, even though 
it's motionless.  
Ken Luker

_______________________________________________________________
Kenneth Luker
Marriott Library Administration
KLUKER@xxxxxxxxxxxxxxxx

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