| Author | Message | |||
     Devil Master Rating: N/A |
Wow, I'm actually the first to post anything in this section of the forum! I was wondering if someone had already thought about disemboweling a Gyration mouse and putting its "innards" into a glove. That way, we could obtain the cheapest 2DOF data glove ever! | |||
| Anonymous Rating: N/A |
That is exactly what the Gyration tracker that Vrealties sells except they charge $400US and it is pretty much a piece of junk and requires to be reset every 5mins. | |||
| Devil Master Rating: N/A |
And that is exactly what I wanted to avoid by hacking the thing myself ;-) | |||
| Glen Murphy Rating: N/A |
The problem with 2DOF is that the extra DOF missing adds a large amount of error as to make it quite unusable (I bought a Gyration mouse for headtracking purposes, so I'm not all daft). Let's say for example, that you have a 2DOF tracker attached to your head measuring tilt (up/down) and pan (left/right) but not rotation along the nose-axis. Looking to the left involves panning to the left (good), but also rotating your head to the side (bad) - this means that as you move your head to the left, you're not just panning, you're also tilting upwards a little. From there, moving your head in the other direction tends to produce a bit of rotation in the opposite direction, so this time you're moving right and a little bit up again. By the time you recenter your head, you've gone diagonally up-left and diagonally up-right, so the tracker thinks you're staring upwards. You could counteract this somewhat, but the amount of rotation is different every time you move your head (esp when you take slouching into account), so it's all a bit stuffed. You really want at least 3DOF (which is what the VRealities tracker has, AFAIK) so that the rotation can be measured and countered. | |||
| cybereality Rating: N/A |
D.Master, I was actually thinking of doing the same thing. My idea was to put the inside of the gyration mouse into a light-gun shell. I agree with what Glen said about the 2DOF, but that only applies for a hmd setup. If you are still holding the device (ie glove or gun) you could compensate with your wrist, no problem. I am interested in using this as a wireless control for a projector setup. It seems like this is the only affordable option. If anyone has been successful in modding the gyration mouse, please post the results. Thanks | |||
| anon Rating: N/A |
As a newbie, maybie I'm missing something, but what good is a 3DOF tracker if there are no custom drivers for it? If you are forced to use a 3DOF head tracker using mouse emulation-- as a 2DOF tracker, you're still stuck with the same problem, right? | |||
| Brian Johnson (Bryan123) New member Username: Bryan123 Post Number: 11 Registered: 12-2006 Rating: N/A |
Great discussion!
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