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Table of Contents
GPS track manipulation
Tools:
- gpsbabel
- gpxsee
- viking
- qmapshack
Merge multiple track files
gpsbabel -i gpx -f track1.gpx -f track2.gpx -o gpx -F merged.gpx
- For merging automatically a list of files:
l=""; for f in $(ls *.gpx); do l="$l -f $f"; done; echo gpsbabel -i gpx ($l) -o gpx -F merged.gpx;
Format conversion
gpsbabel -i kml -f file.kml -o gpx -F file.gpx
Filters
- duplicate waypoints (eg geocaches):
-x duplicate,location - fix time:
-x track,move=-1h-1s - remove elements:
-x nuketypes,waypoints,-x nuketypes,tracks - simplify track:
-x simplify,crosstrack,error=0.001 - pack all tracks:
-x track,pack - crop track:
-x track,stop=20201231235959,-x track,start=20201231235959
