|Dec 12, 2010, 09:09 PM|
More perfect user experience:Free try out for the latest head tracker--XGYRO1000 Pro!
Thank you for being approving of the old version head tracker Xgyro1000 before.
And now,the new head tracker---XGYRO1000 pro is ready,and hope guys will
be interested in trying it out.
Because of it's better performance,we decide to make XGYRO1000 pro be instead of the old version XGYRO1000,so need your help to test it and comfirm.
We made the testing ,please check the link for the video:
1,Entirely no drifting under circumstance of static state testing
2,hardly any drifting under circumstance of dynamic testing
Details of free try out:
1,Please PM me your request,and the shipping info including address,tel number,addressee
2,Just need to pay the shipping charge by EMS
|Dec 12, 2010, 09:24 PM|
|Dec 12, 2010, 10:01 PM|
I'm game! Sent PM already. Any guess for Shipping charges?
|Dec 12, 2010, 10:22 PM|
What an odd video. Not only does it show it hooked to only a single axis of the head tracker
but it shows the unit itself only being rotated in one axis. What does
that prove? No decent HH gyro will drift when subjected to that test.
The drift that plagues all pure gyro based head trackers is what I call "geometric drift"
which is due to the fact that your head movements sometimes translate
into rotation in only 2 axes, and sometimes they translate into 3 axes
and the measured rotations don't add up. For instance if you pan first to the right
then look down, then return home in a straight motion (diagonally)
to head center, the last motion is actually rotation in 3 axes and the 2 that are
measured come up short of the original two movements along the individual axes. There
is absolutely no way to prevent this with a HT that only measures 2 axes of rotation
with pure HH gyros. You need accelerometers or a compass to provide some absolute
frame of reference. And the automatic drift-toward-center algo they use to
counter the inevitable geometric drift, falls on its face you spend a while looking off
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