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[[File:PnO tracking of a robot.png|thumb|Position and orientation tracking using lasers]]
[[File:PnO tracking of a robot.png|thumb|Position and orientation tracking using lasers]]
+[[File:Worldsense positional tracking.png|thumb|Figure 1. WorldSense positional tracking. (Image: UploadVR)]]
'''3D tracking''', also known as 6DOF tracking and position and orientation tracking (PnO tracking), is tracking of an object's [[position and orientation]] in 3D space. It can be used to track headsets and handheld devices. It is useful for providing position and orientation data to apps so that they can render the virtual camera and objects in the right places. It is used in devices like the [[Meta Quest 2]].
'''3D tracking''', also known as 6DOF tracking and position and orientation tracking (PnO tracking), is tracking of an object's [[position and orientation]] in 3D space. It can be used to track headsets and handheld devices. It is useful for providing position and orientation data to apps so that they can render the virtual camera and objects in the right places. It is used in devices like the [[Meta Quest 2]].