旋转的图片原理（Rotating picture principle）.doc

旋转的图片原理（Rotating picture principle） Most people start by looking at clockwise; After being told that there are two pictures of righteousness and consciously want to see anti clockwise , quite a few people can see the final counterclockwise, but most of them once see counterclockwise, for a long time and can not return the clockwise; In the two directions, a small number of people will often see different directions, but the subjective can not be effectively controlled; In people who change direction constantly, a small number of people can master some kind of skills, so that they can control the direction of rotation; In the person who can control the direction, there are a small number of people can express their skills, and successfully teach others to master their skills I can make the frequency of the directional handoff steady at 2Hz, that is, 180 degrees per turn (half circle) for the other direction. But what Im going to talk about next is why this picture has two meanings, and how they relate to the left and right brain. First of all, Id like to say that in the normal view, this picture is without two meanings, and the dancers real rotation is counterclockwise. The reason is the direction of the shadows rotation. If you notice the dancers reflection, you will find that the toe of the reflection is an ellipse. In normal view, this is because the toe elliptical circular motion produced in visual error near the small under the track, the upper half is when the elliptical motion to tiptoe away from the observer trajectory, but the lower part is close to the observer at the track. In the picture, the lower half of the ellipse is hidden. In the upper part, the direction of the toe movement is counterclockwise, so the dancer rotates in an anticlockwise direction. Of course, under this observation, we can still think of the upper half of the ellipse as a part of us, but the imagination does not conform to the normal perspective. Because in such a spatial perspective