| Tobii Pro SDK C API
    | 
| Data Fields | |
| TobiiResearchPoint3D | position_in_user_coordinates | 
| TobiiResearchNormalizedPoint3D | position_in_track_box_coordinates | 
| TobiiResearchValidity | validity | 
Provides properties for the gaze origin.
| TobiiResearchNormalizedPoint3D TobiiResearchGazeOrigin::position_in_track_box_coordinates | 
The normalized gaze origin position in 3D in the track box coordinate system.
| TobiiResearchPoint3D TobiiResearchGazeOrigin::position_in_user_coordinates | 
The gaze origin position in 3D in the user coordinate system.
| TobiiResearchValidity TobiiResearchGazeOrigin::validity | 
The validity of the gaze origin data.