This inheritance list is sorted roughly, but not completely, alphabetically:
[detail level 123]
  gpx::Node | The base class |
  gpx::Bounds | The extent of an element class |
| gpx::Copyright | The copyright holder and license class |
| gpx::DateTime | The date time simple type |
 gpx::Decimal | Decimal simple type |
 gpx::Degrees | Decimal degrees |
| gpx::Latitude | The latitude of a point class, decimal degrees |
 gpx::Longitude | The longitude of a point class, decimal degrees |
| gpx::DGPSStation | The differential GPS station class |
| gpx::EMail | The email address class of the gpx library |
| gpx::Fix | The type of gpx fix class |
| gpx::GPX | The main class of the gpx library |
| gpx::Link | The link to an external resource class |
| gpx::Metadata | The metadata from another schema's class |
| gpx::Person | The person or organisation class |
| gpx::PT | The geographic point class with optional elevation and time class |
| gpx::PTSeg | The ordered sequence of points class |
| gpx::RTE | The route class of the gpx library |
| gpx::String | The string simple type |
| gpx::Extensions | |
| gpx::URI | The uniform resource identifier simple type |
| gpx::TRK | The track class of the gpx library |
| gpx::TRKSeg | The list of track points class of the gpx library |
| gpx::Unsigned | Unsigned simple type |
| gpx::WPT | The waypoint class of the gpx library |
