[talk-ph] Multiple GPS tracks really make a difference!

maning sambale emmanuel.sambale at gmail.com
Sat Nov 27 06:04:20 GMT 2010


In the future, we can process more information coming from passive gps
traces (speed, road width, etc).  For additional future reference, I
add mode of transport tags (foot, cycle, car) in my own traces.

> Hi guys,
> Here's an interesting article talking about how TomTom's MapShare
> program (both the active and passive types) are helping Tele Atlas
> (which was bought by TomTom) improve their data. The article itself is
> very educational, but the accompanying images are quite informative in
> themselves.
> Link: http://blog.telemapics.com/?p=323
> This goes to show that even though a GPS may have errors, given enough
> data, the errors are averaged out and we can get real positional
> accuracy. So keep on uploading those (cleaned-up please) GPX traces!
> :-)
> Eugene
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