FreeTrack Forum - Is it posible with just 2 Leds?

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FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Is it posible with just 2 Leds?

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zaelu	#1 23/12/2007 - 20h37 Top
Class : Apprenti Posts : 48 Registered on : 29/09/2007 Off line	http://www.youtube.com/watch?v=Jd3-eiid-Uw Is such an ideea in works for free track? If this was posted before... sorry
didja	#2 23/12/2007 - 23h20 Top
Class : Webmaster (admin) Posts : 1043 Registered on : 09/07/2007 Off line Www	Yes, we were just talking about that man in the french forum : http://forum.free-track.net/index.php?showtopic=435 he's quite amazing and the result is really awesome ! Rémy
zaelu	#3 24/12/2007 - 18h05 Top
Class : Apprenti Posts : 48 Registered on : 29/09/2007 Off line	Ah, I see. Well maybe in the future Freetrack will need only 2 LEDs.
Kestrel	#4 26/12/2007 - 12h19 Top
Class : Webmaster (admin) Posts : 780 Registered on : 13/07/2007 Off line	I've tried implementing it but it's not very practical, the illusion only works if the viewpoint is static, which defeats the whole point of head tracking in the first place! Eg a cockpit view that is always forward. 1 led = yaw (x), pitch (y) 2 led = yaw (x), pitch (y), roll, z 3 led = yaw, pitch, roll, x, y, z 2 led still suffers the same limitation as 1 led; yaw and x, pitch and y get mixed up. Better off doing it properly and using 3 leds. Support FreeTrack
zaelu	#5 26/12/2007 - 14h17 Top
Class : Apprenti Posts : 48 Registered on : 29/09/2007 Off line	Thanks for your explanation, it makes good sense. 3 will be then . I am currently using the 4 setup with 2.0 but, I will try to build a simplified version with just 3 reflectors + IR LEDs mounted webcam (like this: Genius Slim 311R ). I will try to mount the reflectors pretty close together (Splinter Cell style ) because I assume Fretrack has no problem calculating the "tracking solution" when the "lights" are close because it can calculate with no problem apparently for the TIR clip headset side mounted variant which has the lights pretty close. When it will be ready I'll post here .

FreeTrack Forum > FreeTrack : English Forum > Support : Tracking System > Is it posible with just 2 Leds?

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