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Animation or optical illusion
http://gimpchat.com/viewtopic.php?f=25&t=15441		 Page 1 of 1
Author:  oldmangrumpy [ Mon Apr 03, 2017 3:05 pm ]
Post subject:  Animation or optical illusion
I was intrigued by PhotoMaster's triple nested animation, so I thought I would try something similar but different. I was pleased with and pleasantly surprised by the outcome.

Have at look at the image below and decide if it comprises:

A - eight waving hands changing colour
B - a set of hands rotating clockwise
C – a set of hands rotating anti clockwise
D – all of the above

Image

Some hopefully helpful hints:

1. Focus your gaze on the pair of hands at 12 o'clock (or 3 o'clock, or 6 o'clock or 9 o'clock – you will see a pair of hands waving and changing colour
2. Focus your gaze on one hand (say the dark purple one) and follow it. You will see the hands rotating clockwise
3. Focus your gaze on one hand (say the green and white one) and follow it. You will see the hands rotating anti clockwise

So I believe that the answer to my conundrum above is D. :hehe
Author:  animicule [ Mon Apr 03, 2017 3:13 pm ]
Post subject:  Re: Animation or optical illusion
What I see...
E. one group of 4 counter clockwise
one group of 4 clockwise
Author:  oldmangrumpy [ Mon Apr 03, 2017 3:33 pm ]
Post subject:  Re: Animation or optical illusion
Animicule - OK you got it; yes it is two sets of 4 counter rotating hands. Perhaps I should have given a 'B & C' or an 'E' option.
Author:  animicule [ Mon Apr 03, 2017 5:45 pm ]
Post subject:  Re: Animation or optical illusion
If they had been all the same color, I think it would have been impossible.
For some reason when I view it I see the amethyst/green going one way
and the yellow/blue going the other.
Author:  lylejk [ Mon Apr 03, 2017 10:53 pm ]
Post subject:  Re: Animation or optical illusion
I can see the hands rotate either left or right at will; cool stuff, OMG. :)
Author:  Rod [ Tue Apr 04, 2017 12:22 pm ]
Post subject:  Re: Animation or optical illusion
All of the above. =) Good one!
Author:  oldmangrumpy [ Tue Apr 04, 2017 11:28 pm ]
Post subject:  Re: Animation or optical illusion
Rod & Lyle - thank you; a good thing with Gimp is that you never stop learning :)
Author:  Nidhogg [ Wed Apr 05, 2017 10:55 am ]
Post subject:  Re: Animation or optical illusion
I can hear the hands applaud, oh no they are glass!
Nicely done, this is one of those funny illusions that depends entirely on how do you look at it.
Try this, interleave your fingers in prayer position without thumbs.
Rotate your thumbs around each other, I think it's a common gesture for having too much time or something like that.
Easy to rotate them in same direction right? Now try to rotate other thumb to opposite direction, weird how the human brain works.
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