2. GPX Editor Comparison for Manual Cleansing

   Summary

   GPS tracks have to be cleansed (removing outliers) before analysis, and cleansing requires some manual editing.

   For this manual editing, I searched around for a good tool. Many are available, but there's no definite winner. Here's the detailed comparison.

   Note that this comparison is only for manual cleansing of …

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3. Smoothly Browsing 2-year GPS Log on Map

   I recorded GPS log almost everyday over 2 years from 2005 to 2007. The total size of the log is about 1GB in more than 1,000 NMEA files. There are several millions of track points.

   These numbers have been challenging for browsing all log at once on a map …

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4. GPSBabel xcsv style file for GPSLogger for Android CSV

   Although I have developed my own GPS logger, I don't carry it everyday. Instead, I take GPS log with Android smart phone. I use GPSLogger for Android, which is very convenient to take everyday logs casually with its auto-start ability and battery saving design.

   It supports various GPS log formats …

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