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://www.humanfirst.umn.edu/
http://www.flightgear.org
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