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* [[Mechanical tracking]]<ref name=3duibook/>
* [[Mechanical tracking]]<ref name=3duibook/>
* [[Acoustic tracking]]<ref name=3duibook>[[3D User Interfaces: Theory and Practice]], 1st edition, page 97</ref>
* [[Acoustic tracking]]<ref name=3duibook>[[3D User Interfaces: Theory and Practice]], 1st edition, page 97</ref>
+
* Visible light-based tracking
+
* Infra-red based tracking
==Magnetic tracking==
==Magnetic tracking==