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Malar07
03-27-2004, 09:41 PM
This might be a question for the company who makes this product, but its the weekend so they probably won't answer as quick, so pardon my inquery... I was wondering how many dots could be placed on a baseball cap and perhaps the optimal number of reflective dots for such a setup. And if possible a good formation of the dots? thanks

Malar07
03-27-2004, 09:41 PM
This might be a question for the company who makes this product, but its the weekend so they probably won't answer as quick, so pardon my inquery... I was wondering how many dots could be placed on a baseball cap and perhaps the optimal number of reflective dots for such a setup. And if possible a good formation of the dots? thanks

Sturmtrooper
03-27-2004, 10:56 PM
I use two of the rectangular (square) dots on a pair of modified sunglass frames . It works great .
I suppose that you could mount as many dots as you wanted to on a baseball cap .
The sticky glue on the back of the dots really lasts a long time , so experiment .

http://home.bellsouth.net/coDataImages/p/Groups/183/183586/pages/456377/untitled1.gif

Tully__
03-27-2004, 11:40 PM
There are a few people about using a couple of alternatives.

One is to take a small ball (15-20mm diameter) and wrap it in reflective tape, then attach that to the bill of a baseball cap.

Another is to replace the reflective dot altogether with a high intenstity infra red LED, but that requires a bit of soldering and a power source.

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air_malik
03-27-2004, 11:45 PM
I use two square 'dots' on my hat bill. I've used a track hat as well and both work equally well. I tried attaching three dots to my glasses but it didn't work as well as the hat.

maxim26
03-28-2004, 07:19 AM
One rectangular dot on my hat works great.

Woof603
03-28-2004, 10:17 AM
I got the biggest improvement in stability by moving the unit from the top of the monitor to the desk top in front of the monitor. I angled it upwards and am now much closer to it, without having to sit too close to the screen. I use one rectangle on the foam tip from an old microphone stuck on the end of a pencil which is taped to the bill of a baseball cap.

http://www.spaads.org/denmark/spsabre.JPG

PriK
03-28-2004, 10:44 AM
I have a 16" 'boom' taped to the top of my headphones with a verticle cylindar (another piece of drinking straw about 1" long) taped to the end of it. The cluster of 5 or so dots wraps around the cylindar so that the dot shape is still recognizeable to the receiver when your head is turned to either side.

The reason for the boom is to get the dot closer to the receiver (16"-18" is ideal I've found) so that the TIR will run at the highest resolution. The farther away and the smaller the arc the more the TIR has to extrapolate your movement and hence less precision.

I use straw because it is very light and readily available material as well as the fact that it doesn't sway with quicker head movements.

http://charvel.acwos.com/chbanner.jpg

CWoS FB forum. More Cheese, Less Whine. (http://www.acompletewasteofspace.com/forum/viewforum.php?f=25)

Xnomad
03-28-2004, 01:47 PM
Use a ball it's the best way to do it!!!!

This way the unit can pick up the reflection even from the sides and the top and bottom, with just a flat surface it wouldn't. I now have Track IR2 and I couldn't find a ball, then I found a little metal stick with a tiny ball on it, about the size of a large pea, you can only get one dot on the front but I plastered one dot on the front and 6 around the ball. The ball is tiny but it does the job perfectly!!!

Forgot to add the ball sticks just over the edge of a baseball cap's bill. I also like this as although Natural Point say Track IR isn't bad for your eyes, I don't believe them http://ubbxforums.ubi.com/images/smiley/16x16_smiley-tongue.gif they did say that the infra red makes your pupils contract so I thought then they must be focusing, and you are looking at the glare of a monitor with focused eyes like that it can't be good. So I wear my cap angled down so I can't actually see the tracker, I'm paranoid I know.


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[This message was edited by Xnomad on Sun March 28 2004 at 12:56 PM.]

Xnomad
03-28-2004, 01:54 PM
nt why am I always getting double posts?

ZG77_Lignite
03-28-2004, 03:38 PM
The only real 'trick' is (as Xnomad says above) to make sure that no matter how you turn your head, there is still a bit of reflective dot material still 'looking' at the TrackIR unit. As long as the TrackIR can see the reflective stuff, it will operate as smooth as silk. If it looses sight of the reflective dots, or catches view of something else it Thinks is reflective (Television screens, very bright lights, etc) it can also cause trouble. Just make sure that your hat (or boom mike, or glasses, or forhead, or pencil stuck behind your ear) will alwayse have a dot pointing at the unit (wherever that unit may be at).

T_O_A_D
03-28-2004, 07:35 PM
Read my Sig and the thread all about it. Read the whole thread I've added several post at the end of it that have more info. The last thread is a real nice graphic at Proud birds Forum. about the advantage of the Ball.

Wish I could get that thread stikied in teh help or somwhere.

Have you checked your Private Topics recently? (http://forums.ubi.com/eve/forums?a=ugtpc&s=400102)
131st_Toad's Squad link (http://www.geocities.com/vfw_131st/)
My TrackIR fix, Read the whole thread (http://forums.ubi.com/eve/forums?q=Y&a=tpc&s=400102&f=49310655&m=15310285&p=1)
2.11 drivers (http://home.mchsi.com/~131st-vfw/NaturalPoint_trackIR_2_11.exe)
http://home.mchsi.com/~131st_vfw/T_O_A_D.jpg

Skullin
03-29-2004, 12:17 PM
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Another is to replace the reflective dot altogether with a high intenstity infra red LED, but that requires a bit of soldering and a power source. <HR></BLOCKQUOTE>

simply use one of the LED's in your comupter case. You know, the power ones? how often do you really look at them anyways... all you need to do is extend the wires, and your all set.

Arms1
03-29-2004, 02:54 PM
i have about 6 dots and a couple of squares covering the tip of my boom mic and have experienced no problems, the tir2 unit is on top of my monitor angled slightly down

Tully__
03-30-2004, 03:19 AM
<BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>Originally posted by Xnomad:
nt why am I always getting double posts?<HR></BLOCKQUOTE>

'coz you're clicking the post button twice....


If the forum is running a tad slow, it sometimes takes a while to respond but still registers each time you click, click it once & wait.

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