GPX

From Wikipedia, the free encyclopedia

GPX, or GPS eXchange Format is an XML schema designed for transferring GPS data between software applications. It can be used to describe waypoints, tracks, and routes.

Contents 1 Structure 1.1 Example 2 See also 3 External links 4 References

[edit] Structure

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<gpx ...>
Metadata
 <metadata> ... </metadata>
Data
Eg: Track                               Waypoint
 <trk>                                   <wpt lat="#" lon="#">
  <trkseg>                                <ele>#</ele>
   <trkpt lat="#" lon="#">                <name>...</name>
    <ele>#</ele>                          ...
   </trkpt>                              </wpt>
   <trkpt ...>                           <wpt ...>
    ...                                   ...
   </trkpt>                              </wpt>
  </trkseg>
  <trkseg>
   <trkpt ...> 
    ...
   </trkpt>
  </trkseg>
  ...
 </trk>
File end
</gpx>

[edit] Example

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
 
<gpx xmlns="http://www.topografix.com/GPX/1/1" creator="byHand" version="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">
 
  <wpt lat="39.921055008" lon="3.054223107">
    <ele>12.863281</ele>
    <time>2005-05-16T11:49:06Z</time>
    <name>Cala Sant Vicenç - Mallorca</name>
    <sym>City</sym>
  </wpt>
</gpx>

[edit] See also

• Exchangeable image file format
• Geography Markup Language
• Keyhole Markup Language, the equivalent format compatible with Google Earth.
• UTC

[edit] External links

• Official GPX web site
• TierraWiki.org: Project to produce the most complete outdoor reference in existence.
• Create GPX files for free on-line under GFDL
• GPX POI - GPS POI zone with GPX formated free POI files

[edit] References