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The PlugIT Tobii EyeX allows to use the "Eye tracking" device with Openspace3D..
More information on Tobii.

	Parameters
1	Percentage of the "dead zone" at the center of the screen. This zone allows to not enable the control when looking at the center of the screen.
2	Enables or disables the mouse control depending on the eye.
3	Displays a target showing the eye position in the 3D view.
4	Coordinate space for the 3D eye position.
5	Referential object for the coordinate space when "Object space" is selected.
6	X, Y, Z ratio applied on eye 3D position.

	Action
Show target	Displays an eye target.
Hide target	Hides the eye target.
Enable mouse	Enables the mouse control with the eye.
Disable mouse	Disables the mouse control with the eye.

	Event
Control	Sends data control to an other PlugIT allowing the "Control" action.
Connected	Sends when the Tobii EyeX is connected.
Disconnected	Sends when the Tobii EyeX is disconnected.
User found	Sends when an user is detected.
User lost	Sends when an user is not detected.
Gaze pos	Sends the X Y eye position (pixel)
Gaze hit pos	Sends the (X Y Z) 3D position when a 3D object is looked.
Head pos	Sends the user head 3D position.
Left eye found	Sends when the left eye is detected.
Left eye lost	Sends when the left eye is lost.
Left eye pos	Sends the 3D position of the left eye.
Left orientation	Sends the left eye orientation.
Left distance	Sends the left eye distance value between the eye position and the looked object.
Left blink	Sends when a blinking is detected on the left eye.
Right eye found	Sends when a right eye is detected.
Right eye lost	Sends when the left eye is lost.
Right eye pos	Sends the 3D position of the right eye.
Right orientation	Sends the right eye orientation.
Right distance	Sends the right eye distance value between the eye position and the looked object.
Right blink	Sends when a blinking is detected on the right eye.

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