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* [[Electromagnetic tracking]].<ref name=3duibook/> Electromagnetic tracking requires an external source. It gets jittery when there is metal around, like a metal laptop computer. Magnetic tracking is typically wired, but it does not have to be.
* [[Electromagnetic tracking]].<ref name=3duibook/> Electromagnetic tracking requires an external source. It gets jittery when there is metal around, like a metal laptop computer. Magnetic tracking is typically wired, but it does not have to be.
* [[UWB tracking]]
* [[UWB tracking]]
+
* [[Mechanical tracking]]<ref name=3duibook/>
* [[Inertial tracking]]<ref name=3duibook/>
* [[Inertial 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>