Data Format -Eye Tracker-

2014-08-22 ahashimoto

Sensor

Tobii X2-30 Eye Tracker

File Format

.csv (comma separated values)

Note

no data is stored while no eyeballs are detected by the sensor.

Data Alignment of a Column

time stamp
left eye position 3D x
left eye position 3D y
left eye position 3D z
left eye position 3D relative x
left eye position 3D relative y
left eye position 3D relative z
left gaze point 2D x
left gaze point 2D y
left gaze point 3D x
left gaze point 3D y
left gaze point 3D z
left pupil diameter
left validity
right eye position 3D x
right eye position 3D y
right eye position 3D z
right eye position 3D relative x
right eye position 3D relative y
right eye position 3D relative z
right gaze point 2D x
right gaze point 2D y
right gaze point 3D x
right gaze point 3D y
right gaze point 3D z
right pupil diameter
right validity

Please refer Tobii’s SDK manual for the exact definition of each value.

You can download it from here. Check out “Tobii Analytics SDK Developers Guide.pdf,” which is included in the SDK.

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