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echo: ascii_art
to: George Pope
from: Kostya Ivanov
date: 2003-02-20 10:59:18
subject: 3D stereogram (was:More Hearts)

Hi George!

 George Pope writes Kostya Ivanov about : More Hearts : ...

 KI>  GP>> An ascii heart with 3d message inside..
 KI>> COOL! Really NICE!
 KI>> 3D stereogram in ASCII!!!

 GP> Nope -- not even sure what that one is/was! :P
 GP> (I saw the description in the file, but I can't see anything 3-D in it!)
 GP> Is there a special way to view it?

Yes.
The heart was sent by you contain strings 'LOVE' and 'mproot{at}mpu' inside.
There is the special way to view it!
if you makes possible to read this, you will get double pleasure from that
ascii-picture... =)

To describe way to view it in russian (my native language) is quite
difficult task, since you know too few russian words... =)
I try in english, but you'd better to ask some english speaking people.

So.
1) When you view regular picture, your eyes focused at picture's surface.
The side view:

               |
 ,             |
<)-------------*
               |
               |

^your eye.     ^picture's plane.

'*' - the focus point.

2) If you want to view 3D-stereogram inside picture, your eyes must be
focused behind picture's surface, approximately by 20-30sm (sm = 1e-2
meters).

               |
 ,             |
<)--------------------*
               |
               |

^your eye.     ^picture's plane.

It is hard to do only first time.
In practice you may follow this algorithm:

1) Print 3D heart on paper.
Viewing 3D stereogram on paper simpler then on monitor.
Since you have no practice, you'd better to try on paper first.
1) Focus your eyes at wall. (or any other neutral surface)
                       |
                       |
                       |
 ,                     |
<)---------------------*
                       |
                       |
                       |
                       |
^your eye.             ^wall

2) freeze your view (try to keep focus at wall) and put picture before wall.
                       |
                       |
                 |     |
 ,               |     |
<)---------------------*
                 |     |
                 |     |
                       |
                       |
^your eye.       ^     ^wall
                 ^picture

Good luck!

 GP> Here's ASCII in 3-D
 GP>           _____             _____            _____
 GP>          /\    \           /\    \          /\    \
 GP>         /::\    \         /XX\    \        /%%\    \ LS

It is just simple plane 3D picture... No wonder!

'Dasvidanya'! =)

                                                  /With BEST wishes,
                                                      Kostya Ivanov
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