I've been playing around with a geo-location database. I have a camera
mounted on our travel van. Periodically, it takes pictures of where we
are. I've written (OK, mostly re-written) various code I've found to
tag the pics with location, lat/lon, date, time, direction, speed, and
outside temp.
The temp code is written for the TEMPer1 and TEMPer2 usb sensors
available from http://www.pcsensor.com . The makefile is for Openwrt
(http://www.openwrt.org)
To get the geo-location working, you need to download the data from here:
http://geonames.usgs.gov/domestic/download_data.htm
There is a parse utility that will create the sql database. Feed that
to sqlite3. I ended up using rtrees so make sure your sqlite is built
with rtree support.
Anyway, for what it's worth, the tarball is at
http:/www.seiner.com/cz/locate.tar.bz2 . It's not quite plug and play;
you probably need to adapt it to your application. It depends on
fswebcam to actually take the picture and label it.
It's a fun project. I'd appreciate patches and such but I suspect it's
too specialized to really be a "project".
--
Honoring our vets.
http://www.bataanmarch.com/
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