The UAV stuff sounds very interesting curt :o) I'm trying to do a similar
but different thing. using flightgear as 3d visualisation while flying real
RC heli UAV's. Well that's the plan anyway: to link the autopilot with the
flight path algorithm to flightgear and to other self made visualiser. hope
I get it working. I've got flightgear working, but having issues getting my
other work running again. I had it running on Debian. but it is failing on
Fedora :o(
:o) Phil
On 2/3/07, Curtis Olson <[EMAIL PROTECTED]> wrote:
On 2/2/07, Bill Galbraith <[EMAIL PROTECTED]> wrote:
> For what it's worth I just got my cell phone to work as a dialup modem
> on Fedora Core 6 ... I've got a really old Nokia 6610 and found a usb
> adapter cable for it on ebay for $0.99 ... I figured at that price I'd take
> the risk and see if I could get it working ... I only get 9600 baud since
> i'm not using my provider as the isp, but I can live with that for now ...
> if there's a tie into your original question it would be that even with this
> device, my FC 6 system noticed the new usb device, loaded the right driver,
> auto-loaded the usb/serial driver and away we went
>
> So, you want to be able to 'phone it in' now, huh?
>
The short term goal is to have a quick an dirty way to put my ground
station laptop on the internet when doing UAV flight testing.
I have this sythetic vision application I've been playing around with (for
a while now) that will draw a 3d rendition of the real world in real time
from the perspective of the uav ... and do that right at the flying field on
my laptop for the operator to see. Interestingly, that same synthetic
vision system (when connected to the internet) has the ability to tie into a
global tracking system so that I can track all my uav's (both virtual and
real.)
Amazingly, all these active uav's will show up in each respective
synthetic vision system. That allows you to easily find, or easily avoid
your other aircraft depending on what you want to accomplish on any given
day.
Even more interesting is that this global tracking system ties into a
google mapping web site (or even google earth) so anyone in the world can
track these uav(s) in real time over detailed aerial imagery with an
ordinary web browser ... maybe even your blackberry (?)
If one of these uav's is sending back live video, that video can be
visually crossed referenced with the google map imagery to provide a larger
context for exactly what the camera is showing you. It's all too easy to
get remote video back and have no idea what you are looking at.
This synthetic vision system has georeferencing function so the operator
can click any where in the synthetic view and get back the lon/lat/elev of
the point they had clicked on. Eventually we'd like to overlay the real
imagery on top of the synthetic imagery so you can click on a real
interesection or a real house or a real vehicle and get back the location of
that object.
We are also developing an interface to the tiger mapping database which
has street address info, so it will eventually be possible to click on an
intersection or a house and get back the street address which would be
useful for emergency management.
That same click->location feature should also be able to be leveraged as a
quick and dirty orthorectifier because once the live video is overlayed onto
the synthetic view, we can do a virtual click on each corner of the image to
get it's real world location and orientation, then stretch that across the
terrain to produce live/mosaic'd orthorectified imagery.
But all of this hinges on having an active internet connection for your
ground station computer.
Regards,
Curt.
--
Curtis Olson - University of Minnesota - FlightGear Project
http://baron.flightgear.org/~curt/ <http://baron.flightgear.org/%7Ecurt/>
http://www.humanfirst.umn.edu/ http://www.flightgear.org
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