Re: [Flightgear-devel] FlightGear as a real time synthetic view

2005-10-29 Thread Kitts
On Saturday 29 Oct 2005 11:50 pm IST, Curtis L. Olson wrote:
CL There is a neat flightgear connection here which I've probably mentioned 
CL before, but would like to mention again (with pictures.)
CL 
CL http://www.flightgear.org/~curt/Models/Special/Rascal110_2/
CL 
CL This is a manually flown UAV (also pictured on the same page.)  It has 
CL an onboard camera angled 45 degrees down.  It also has a gps/imu sending 
CL data to the ground via a radio modem, so we can feed that into 
CL flightgear and show a live synthetic view from the aircraft 
CL perspective.  We can angle the flightgear view 45 degrees down and it 
CL matches pretty darn close with the real camera view.  We had a guy 
CL create a small chunk of photo real scenery for the area so it's really 
CL neat to see the synthetic and video views match tree for tree, road for 
CL road, building for building.

This looks brilliant! The synthetic view kinda looked brighter than the real 
thing in the picture ;-)

Are you flying the craft through the computer's joystick or using a standard 
R/C?  or even better, an autopilot system? Just curious! :-)

I cant wait to get my model up in the air! (Have I mentioned here that i am 
working on a similar thing as my hobby?)
-- 
Cheers!
Kitts


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Re: [Flightgear-devel] FlightGear as a real time synthetic view

2005-10-29 Thread Dave Martin
On Saturday 29 October 2005 19:20, Curtis L. Olson wrote:
 There is a neat flightgear connection here which I've probably mentioned
 before, but would like to mention again (with pictures.)

 http://www.flightgear.org/~curt/Models/Special/Rascal110_2/

 This is a manually flown UAV (also pictured on the same page.)  It has
 an onboard camera angled 45 degrees down.  It also has a gps/imu sending
 data to the ground via a radio modem, so we can feed that into
 flightgear and show a live synthetic view from the aircraft
 perspective.  We can angle the flightgear view 45 degrees down and it
 matches pretty darn close with the real camera view.  We had a guy
 create a small chunk of photo real scenery for the area so it's really
 neat to see the synthetic and video views match tree for tree, road for
 road, building for building.

That is extremely nifty. 

I'm suprised you can get that sort of 'resolution' in the GPS/IMU downlink.

Glad you got back in the air so soon too :)


-- 
Dave Martin
http://museum.bounce-gaming.net

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Re: [Flightgear-devel] FlightGear as a real time synthetic view

2005-10-29 Thread Curtis L. Olson

Dave Martin wrote:

That is extremely nifty. 
 



Yes, I'm not sure what if anything it's good for, but it's definitely 
nifty. :-)



I'm suprised you can get that sort of 'resolution' in the GPS/IMU downlink.
 



The orientation probably comes out to within a degree or two, the GPS 
has a moderately low resolution (i.e. you can really see it step near 
the ground) but up in the air at flying speeds it does quite well and a 
few feet of positional error doesn't show up nearly as much.



Glad you got back in the air so soon too :)
 



Yes, that is what backup airplanes are for. :-)

Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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Re: [Flightgear-devel] FlightGear as a real time synthetic view

2005-10-29 Thread Curtis L. Olson

Kitts wrote:

This looks brilliant! The synthetic view kinda looked brighter than the real 
thing in the picture ;-)


Are you flying the craft through the computer's joystick or using a standard 
R/C?  or even better, an autopilot system? Just curious! :-)
 



We are currently flying 100% manually with a standard R/C transmitter.  
We have a $2000 autopilot purchased for this project, but it's a lot of 
do-it-yourself work and we just got it, so we don't have it flying yet.


I cant wait to get my model up in the air! (Have I mentioned here that i am 
working on a similar thing as my hobby?)
 



This stuff can be a lot of fun, and does a great job at keeping you 
poor. :-)  I have my own hobby uav project that isn't very far along.  I 
haven't tinkered with it too much now that I am more involved in this 
project through my university.


Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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Re: [Flightgear-devel] FlightGear as a real time synthetic view

2005-10-29 Thread Jeff McBride
On 10/29/05, Curtis L. Olson [EMAIL PROTECTED] wrote:
 There is a neat flightgear connection here which I've probably mentioned
 before, but would like to mention again (with pictures.)

 http://www.flightgear.org/~curt/Models/Special/Rascal110_2/

 This is a manually flown UAV (also pictured on the same page.)  It has
 an onboard camera angled 45 degrees down.  It also has a gps/imu sending
 data to the ground via a radio modem, so we can feed that into
 flightgear and show a live synthetic view from the aircraft
 perspective.  We can angle the flightgear view 45 degrees down and it
 matches pretty darn close with the real camera view.  We had a guy
 create a small chunk of photo real scenery for the area so it's really
 neat to see the synthetic and video views match tree for tree, road for
 road, building for building.

 Regards,

 Curt.


The synthetic view looks nice. How hard was it to set that up in flight gear?

-Jeff

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