A 3d picture (stereogram) is that picture that appears 3d when you look at them properly.
There are different types of them. (Google "stereogram" for details and many other pictures). Here is what is called auto-stereogram or free-view stereogram.
to view it, what you have to do is, focus your eyes behind the image. The depth below the image you need to focus is apporximately equal to the distance of your eyes from the image.
When you start seeing the image blur, don't stop. Try to search something in the flur. Then the 3d image will pop out, and you start appreciating it.
When i say 3d image, its not like the computer disigned 3d-characters or building like 3d. Its a REAL 3d. you can tell what part of the image is how far from you.
To understand what I mean by this, see this example.
Suppose there are two cubes, one very big but far away from you and one small but near to you. When you put these side-by-side, and take a photo, then both cube appear to be of same size. When the photo is printed no-one (except the one who took the photo) can tell that they are infact not of equal size and that one is very near and other is far from the camera.
However, if you look the cubes from the point where the camera had been placed, you can always say that one cube is very near you (since you have to adjust your eye's focus distance, which tells your brain about the relative distance) and the other is very far, so you naturally realize that the cube are of very unequal dimensions.
Samething happenS when you see a REAL 3d picture (like the one i have been talking about).YOU FEEL THE DEPTH.
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A 3d picture (stereogram) is that picture that appears 3d when you look at them properly.
There are different types of them. (Google "stereogram" for details and many other pictures). Here is what is called auto-stereogram or free-view stereogram.
to view it, what you have to do is, focus your eyes behind the image. The depth below the image you need to focus is apporximately equal to the distance of your eyes from the image.
When you start seeing the image blur, don't stop. Try to search something in the flur. Then the 3d image will pop out, and you start appreciating it.
When i say 3d image, its not like the computer disigned 3d-characters or building like 3d. Its a REAL 3d. you can tell what part of the image is how far from you.
To understand what I mean by this, see this example.
Suppose there are two cubes, one very big but far away from you and one small but near to you. When you put these side-by-side, and take a photo, then both cube appear to be of same size. When the photo is printed no-one (except the one who took the photo) can tell that they are infact not of equal size and that one is very near and other is far from the camera.
However, if you look the cubes from the point where the camera had been placed, you can always say that one cube is very near you (since you have to adjust your eye's focus distance, which tells your brain about the relative distance) and the other is very far, so you naturally realize that the cube are of very unequal dimensions.
Samething happenS when you see a REAL 3d picture (like the one i have been talking about).YOU FEEL THE DEPTH.
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