Any photographer who does more than snapshots will have wondered at some time (but in every picture he does), how it will look at your photo. To try to find an answer to that question is lots of composition rules that help direct the viewer's gaze whilst leaving the choice of a good photographer who is the first thing is to see and where it will look to below.

But any rule of composition is only theory that can work or not. However it is possible to find out exactly how each person looks at a picture.

Probably the best known composition rule is known as the rule of thirds, which adopts the point of interest must lie at the intersection of the lines dividing the frame into thirds horizontally and vertically. It's just a simplification of the golden ratio. Another well known is the occasion said that a motion should have free space in the direction towards which it moves and not the opposite.

They are the only ones, there are many rules that can be applied alone or in combination, and willfully infringe even for a greater impact. However, no guarantee that the outcome is expected.

Finally a photographer should try that the photo look exactly like the thought, beginning at a point, running the image through its elements to the point of interest, and stopping at the. When not achieved, the impact of the photo is reduced and decreases its appeal.

But find out how a picture really is no easy task. Not worth to look at yourself as you see, it is a totally biased opinion. Nor does much to ask someone as he has seen. Certainly the comments of a photographer not to be too vague and imprecise, because those who are not familiar with the composition does not know us the answers that we seek. So how we find out?

Eye Tracking

Recently in my work, I have had occasion to use a few days a team of eye tracking or eye tracking. They are specially trained monitors to record that part of the screen the user is looking at exactly which tasks are used primarily in research, marketing and usability studies.

For preliminary testing in the beginning to learn to operate the equipment I used some of my photos as shown, as office mates as subjects of study. Evidently there are stray data that are of no use, but give us an idea of how a particular person is actually a particular photo.

In the following video you can see some of the pictures used with red dash-dotted overlays that reflect where you looked. The lines are eye movements during which the brain fails to process an image. The points are the breaks in that if the image is perceived. The longer the pause, the larger it makes the point.