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Gpx Reader

gem to read a gpx file

ATTENTION: this version works but is still under (slow) development

Installation

Add this line to your application's Gemfile:

gem 'gpx_reader'

And then execute:

$ bundle

Or install it yourself as:

$ gem install gpx_reader

Usage

gpx_reader accept a file as argument or a string.

To read a gpx file just call @gpx = GPXReader::Gpx.new(file) or @gpx = GPXReader::Gpx.new(string)

Then use it as follow:

  • @gpx.creator => creator of the file
  • @gpx.time => Time of creation
  • @gpx.tracks => array of track
  • for the track inside @gpx.tracks
    • track.name
    • track.desc
    • track.segments
  • ...

Notes

The distance is calculated based on the haversine method ( http://en.wikipedia.org/wiki/Haversine_formula) and implementation of the algorithm is based on the following source: http://www.movable-type.co.uk/scripts/latlong.html

This gem has been written for my own needs, if you feel something is missing don't hesitate to ask

TODO

  • list all the points directly from the track
  • calculate boundaries of the tracks/segments unless in the metadata
  • calculate elapsed time
  • write more tests

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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Simple parsing of gpx file or string

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