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FreeTrack First Flight - Printable Version

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FreeTrack First Flight - Aza-Industries - 08.02.2010

Hey everyone here is a video I made of one of my first flights using FreeTrack. I didn't really turn my head much because I'm still getting use to doing it.

It's also my very first video upload on youtube ever!

Enjoy! and tell me what you think!

http://www.youtube.com/watch?v=wM8UD6Hy3lE

- Neil Lowe - 08.02.2010

Yeah its great eh Smile

Been using it here for a while now 2dof only. I love it Big Grin

Cheers, Neil Smile

- marmusman - 08.02.2010

WOW! Nice smooth movements. I also use FreeTrack, not that smooth...especially when I turn my head to the sides. Any change I can get a screenshot or file of your freetrack settings?

- Aza-Industries - 08.02.2010

marmusman Wrote:WOW! Nice smooth movements. I also use FreeTrack, not that smooth...especially when I turn my head to the sides. Any change I can get a screenshot or file of your freetrack settings?

Ok here it is!
http://users.tpg.com.au/bluecube/Mine.ftp (right click save as)

A few things you should remember..
1. I use a single point cap.
2. My camera and seating position may be different to yours therfore giving you different results.
3. I turned the brightness in my camera settings to the lowest so only IR lights are detected.
3. I don't know if this file has all the settings or not.

A few tips for preparing motion tracking gear.
1. If you use directional IR LEDs file of the tip of the LED so it's flat but only a bit you can still have a bit of curving further down.
2. Make sure you go into your camera settings and adjust them so the IR LED stands out and everything else is black.
3. If you follow TIP 2 every bit of filing you do check what it looks like when you point the LED directly at the camera. The purpose of filing is to lessen the 'white out' effect when you point the led directly at the camera (only happens with directional ones)
4. If you havn't taken out the IR filter on your webcam use a follow a tutorials instructions (webcam can't be used for normal purpose if this is done.)
5. I find having my LED pointing down on a 45 degree angle works better.

There are so many things that make a good setup I can't really list them all.

Main settings that I use to make sure my light is being tracked and not any interference are point size and threshold.

I might make a video tutorial on it some time.

- marmusman - 08.02.2010

Thanks! Only 1 point? I guess you can't "zoom in" by moving your head closer. I use a 3 point headset and my Wii remote as the "camera." I think the 6DOF is where my shakiness comes from....need to tweek the slider bars better.

Maybe I should try the single point and then use the keyboard zoom to see if it is better. Might be worth testing.

Thanks alot!

- Aza-Industries - 08.02.2010

marmusman Wrote:Thanks! Only 1 point? I guess you can't "zoom in" by moving your head closer. I use a 3 point headset and my Wii remote as the "camera." I think the 6DOF is where my shakiness comes from....need to tweek the slider bars better.

Maybe I should try the single point and then use the keyboard zoom to see if it is better. Might be worth testing.

Thanks alot!

I'm only using single point because I've yet to buy my 3 IR LEDs I only had 1 broken TV remote to use =P.

I'm just going to dupe my settings for 6dof so the same amount of turning still applies to pitch and yaw.

Also you should test if all your LEDs are being received correctly. Go into FreeTrack and go to the Cam Tab now move around to all the limits you would normally use when flying a plane, what you want to see is 3 Cross hairs always on the display. If their flickering in and out your movements will be jerky.

Things that cause this could be Point size is wrong so as the dots get to big/small they get canceled out as a viable tracking source.
If you have random cross hairs appearing all over the display your getting to much interference, to fix this try adjusting the threshold as high as you can so you can still see your dots and hopefully less background noise.

- redko - 08.02.2010

very nice video. i don't regret to had buy my trackir 95 euros...but i will bild this cam the next time for one of my friends who don't have the money to buy a trackir.

just a question what map is that...very nice colours

thanks

- aviatorsneah - 08.02.2010

meh...it's not that exciting until you've tried it with 6dof. get that 3point tracker built!

- Aza-Industries - 08.02.2010

redko Wrote:very nice video. i don't regret to had buy my trackir 95 euros...but i will bild this cam the next time for one of my friends who don't have the money to buy a trackir.

just a question what map is that...very nice colours

thanks

To be honest I have no Idea... sorry.