[OSM-dev] wishlist: gpx merging tool

Damian Sulewski Damian.Sulewski at Uni-Dortmund.de
Tue Jan 23 19:19:33 GMT 2007


Would be great to have such a program.
You could even drive the same road several times, at diferent days, and
then take the avarage to have a better position of this road.

Greetings,
Damian

Am Dienstag, den 23.01.2007, 19:08 +0000 schrieb SteveC:
> I want a tool which will take two or more GPX files (say, from two GPS
> units in a car - one at the front, one at the back) and will merge them
> with simple rules
> 
> 1) If there's only one point for a timestamp use that
> 2) If there's more than one then average the position
> 
> and spit out a 3rd, averaged, GPX.
> 
> A poor mans differential GPS perhaps, but also I've seen a lot of
> dropout from putting a GPS on a car dashboard and figure that putting
> one at the back too (which will see a different set of satellites) might
> help.
> 
> have fun,
> 
> SteveC steve at asklater.com http://www.asklater.com/steve/
> 
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