GPX File Format

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GPX File Format

The following are standard values used on the platform. Other values can be added if they do NOT duplicate these values.

Post below if you want to add extra values to these standard values.

GPX Header Standard

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<gpx
xmlns="https://www.topografix.com/GPX/1/1"
xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="https://www.topografix.com/GPX/1/1 https://www.topografix.com/GPX/1/1/gpx.xsd"
creator="app.contacttrace.com.au"
version="1.1">

creator = application creating the GPX

GPX Track Standard

<trk>
 <name>20200806204409_20200806211410_sydneyaustralia</name>
 <desc>sessionid_Tgyh78jBhFGvTHU9I7JYfdcdeb8j3floJhKu96g8</desc>
 <cmt>server_https://dis1.contacttrace.com.au</cmt>
</trk>

name = duration of track (start,end,timezone)
desc = tracked device id (e.g. session id, alias id etc.)
cmt = external source of data (outside of app)

GPX Track Point Standard

<trkpt lat="-33.8799027" lon="151.204598">
   <time>2020-09-01T07:12:43Z</time>
   <ele>5.00</ele>
   <extensions>
     <speed>0.051</speed>
     <course>209.600</course>
     <accuracy>500.00</accuracy>
     <altitudeaccuracy>50.00</altitudeaccuracy>
     <batterylevel>90.00</batterylevel>
     <cmt>locationid_63264276555454228732389</cmt>
     <src>webapp</src>
   </extensions>
</trkpt>

Different devices has their own "standards" we called synonyms, here we try to translate them the best we can into our gpx standard.

GPX File Name Standard

The GPX file name is made up of 3 components:

Start Time _ End Time _ Time Zone . gpx

e.g.
20200806204409_20200806211410_sydneyaustralia.gpx

Full GPX Example

Please scroll down within code window to view all.

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<gpx
xmlns="http://www.topografix.com/GPX/1/1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd"
creator="app.contacttrace.com.au"
version="1.1">

<trk>
 <name>20200806204409_20200806211410_SydneyAustralia</name>
 <desc>sessionid_Tgyh78jBhFGvTHU9I7JYfdcdeb8j3floJhKu96g8</name>
 <cmt>server_dis1.contacttrace.com.au</src>
 <trkseg>
  <trkpt lat="-33.90361659" lon="151.24097619">
   <time>2020-08-06T10:44:09Z</time>
   <ele>90.55</ele>
   <extensions>
     <speed>1.452</speed>
     <course>250.480</course>
     <accuracy>0.00</accuracy>
     <batterylevel>60.00</batterylevel>
     <cmt>locationid_93264276555454678433228</cmt>
     <src>webapp</src>
   </extensions>
  </trkpt>
  <trkpt lat="-33.90367398" lon="151.24105148">
   <time>2020-08-06T11:14:10Z</time>
   <ele>72.94</ele>
   <extensions>
     <speed>0.002</speed>
     <course>91.170</course>
     <accuracy>0.00</accuracy>
     <batterylevel>58.00</batterylevel>
     <cmt>locationid_63264276555454228732389</cmt>
     <src>webapp</src>
   </extensions>
  </trkpt>
 </trkseg>
</trk>
</gpx>