Wölfischhttps://woelfisch.de/blog/2012-02-01T23:47:00+00:00Jörg's BlogHow to not implement GPS tracking2012-02-01T23:47:00+00:00o'wolfhttps://woelfisch.de/blog/author/owolfhttps://woelfisch.de/blog/how-to-not-implement-gps-tracking<p>Google has a small tool for GPS tracking on Android phones. It shows you some stats of your hike and records a GPS track of it. Unfortunately, what it writes to the SD card (basically) is this:</p><p><kbd><?xml version="1.0" encoding="UTF-8"?><br/><kml xmlns="http://earth.google.com/kml/2.0" xmlns:atom="http://www.w3.org/2005/Atom"><br/><document><br/><name><![CDATA[2011-10-09 13:43]]></name><br/><description><![CDATA[Antelope island state park]]></description><br/><!-- some style defintions --></kbd></p><p><placemark><br/> <!-- name and start point of the track --><br/></Placemark></p><p><placemark><br/><name><![CDATA[2011-10-09 13:43]]></name><br/><description><![CDATA[Antelope island state park]]></description><br/><multigeometry><br/><linestring><coordinates><br/>-112.240134,41.02518,1268.0999755859375<br/>-112.24009,41.025108,1270.4000244140625 <br/><!-- etc --><br/></coordinates><br/></LineString><br/></MultiGeometry><br/></Placemark></p><p><placemark><br/> <name><![CDATA[(End)]]></name><br/> <description><![CDATA[Erstellt von <a href='http://mytracks.appspot.com'>My Tracks</a> für Android.<p>Gesamtentfernung: 12,57 km (7,8 mi)<br>Gesamtzeit: 2:22:39<br>Zeit in Bewegung: 2:08:25<br>Durchschnittsgeschw.: 5,29 km/h (3,3 mi/h)<br> Durchschnitt in Bew.: 5,87 km/h (3,6 mi/h)<br> Max. Geschwindigkeit: 10,06 km/h (6,3 mi/h)<br>Niedrigste Höhenlage: 1268 m (4160 Fuß)<br>Höchste Höhenlage: 1476 m (4844 Fuß)<br>Höhengewinn: 336 m (1101 Fuß)<br>Maximale Steigung: 0 %<br>Minimale Steigung: 0 %<br>Aufgezeichnet am: So. Okt 09 13:43:04 GMT-06:00 2011<br>Aktivität: White rock trail<br><img border="0" src="http://chart.apis.google.com/chart?&chs=600x350&cht=lxy&chtt=Höhe&chxt=x,y&chxr=0,0,12,2|1,1200.0,1500.0,25&chco=009A00&chm=B,00AA00,0,0,0&chg=100000,8.333333333333334,1,0&chd=e:," />]]></description><br/> <styleurl>#sh_red-circle</styleUrl><br/> <point><br/> <coordinates>-112.240085,41.025051</coordinates><br/> </Point><br/></Placemark></p><p></Document><br/></kml></p><p>It records the GPS coordinates without any time stamps except for the start time, and all the stats are in localized free-form text. Completely unusable except for drawing the track on Google Maps. No way to geo tag my photos.</p>