TrackIR

TrackIR, created by NaturalPoint Inc., is an optical motion tracking controller for Microsoft Windows.

It tracks head motions with up to six degrees of freedom (6DOF) which allows for handsfree view control. Head position and orientation are measured by a purpose-built video camera, mounted on top of the user's monitor, that observes infrared (IR) light reflected or emitted by markers on a rigid model worn by the user.

The camera and tracking sensitivity adjustments are controlled by TrackIR, head movements can be scaled while the user is still looking at the monitor allowing a virtual movement of 180 degrees to occur.

## Contents

* 1 History
* 2 TrackIR interface with games
* 3 Criticisms
* 3.1 TrackIR 4 Pro
* 3.2 TrackClip PRO
* 4 See also
* 5 References
* 6 External links

## History

Between 2002 and the year 2005, five TrackIR camera models were released, bringing more features such as doubled frame rate and increased resolution.

## TrackIR interface with games

As more developers and games added support for the TrackIR, developers were successful in reverse engineering the proprietary interface allowing non-TrackIR devices to be used for view control, including generic webcams. This issue was resolved in October 2008, when the interface began encrypting the data stream sent to some new titles, rendering non-supported devices incompatible with these new game titles. However, due to the fact that older TrackIR-1 and TrackIR-2 products use software drivers which are no longer maintained, they are also incompatible with titles using the newer interface.{{citation needed|date=February 2017}

## Criticisms

### TrackIR 4 Pro

Some reviewers found the TrackIR 4 Pro with a TrackClip PRO bundle to be expensive at the $200–$220 prices, while still considering it a worthwhile purchase for a serious simulation users.[1][2][3] of June, 2009 the bundle is now available for $120. Additionally, one review noted that the TrackIR 4 Pro runs at a temperature which they consider more higher than normal when it is actively tracking.[4]

### TrackClip PRO

Some reviewers found the TrackClip PRO to be brittle,[5][6] and one critic was disappointed that it was unable to be positioned on the right side of the head while still recommending the TrackClip PRO product.[7]

## See also

* FreeTrack, is an open-source and free head-tracking software which users can build their tracking hardware with webcams and infrared LEDs cheaply. Freetrack is no longer maintained.
* FaceTrackNoIR, is an open-source and free head-tracking software which only requires a webcam and no infrared LEDs.
* OpenTrack, is an active open-source project combining many features of the products FreeTrack and FaceTrackNoIR. It Input sources and includes facial recognition, IR point tracking, paper marker tracking, and more.

## References

1. ↑ "TrackIR 4 Pro Review". FileFront.com. 29 May 2008. http://flightsim.filefront.com/news/TrackIR_4_Pro_Review;38619. Retrieved 2008-12-20.
2. ↑ "RaceSimCentral – TrackIR v4 Review". http://racesimcentral.com/index.php?option=com_content&task=view&id=63. Retrieved 2008-12-20.
3. ↑ "HEnthusiast – TrackIR 4 Pro Point-of-View headset". [H]Enthusiast. http://enthusiast.hardocp.com/article/2007/07/11/trackir_4_pro_pointofview_headset. Retrieved 2008-12-22.
4. ↑ "TrackIR 4 Pro Review". FileFront.com. 29 May 2008. http://flightsim.filefront.com/news/TrackIR_4_Pro_Review;38619. Retrieved 2008-11-17.
5. ↑ "Review: NaturalPoint TrackClipPRO". SimHQ.com. 29 December 2006. http://www.simhq.com/_technology2/technology_103d.html. Retrieved 2008-12-15.
6. ↑ Mietzner, Brandon. "Getting Your Head in the Game – TrackIR 5 with TrackClip PRO Review – Techgage" (in en-US). https://techgage.com/article/getting-your-head-in-the-game-trackir-5-with-trackclip-pro-review/.
7. ↑ "AVSIM Commercial Utility Review TrackClip Pro". AVSIM Online. http://www.avsim.com/pages/0207/TrackClip/TrackClip.htm. Retrieved 2008-12-15.

## External links

* NaturalPoint Inc. official website
* opentrack software project website

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