Class: ComtecDR::GpxGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/comtec-dr/gpx_generator.rb

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ GpxGenerator

Returns a new instance of GpxGenerator.



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# File 'lib/comtec-dr/gpx_generator.rb', line 3

def initialize filename
  @filename = filename
  @doc = REXML::Document.new
  @gpx = REXML::Element.new('gpx')

  @gpx.add_attributes({
    'creator' => "comtec-dr-ruby/#{ComtecDR::VERSION}",
    'version' => "1.1",
    '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'
  })
  @doc.add_element(@gpx)
end

Instance Method Details

#add_track(track = nil) ⇒ Object 



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# File 'lib/comtec-dr/gpx_generator.rb', line 18

def add_track track = nil
  @trk = REXML::Element.new('trk')
  @gpx.add_element(@trk)

  add_trkseg track if !track.nil?
end

#add_trkseg(track) ⇒ Object 



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# File 'lib/comtec-dr/gpx_generator.rb', line 25

def add_trkseg track
  trkseg = REXML::Element.new('trkseg')
  @trk.add_element(trkseg)

  track.track.each do |t|
    trkpt = REXML::Element.new('trkpt')
    trkpt.add_attributes({'lat' => t.lat, 'lon' => t.lon})

    time = REXML::Element.new('time')
    time.add_text(t.jst.utc.iso8601)
    trkpt.add_element(time)

    speed = REXML::Element.new('speed')
    speed.add_text((t.speed.to_f * 1000 / 3600).to_s)
    trkpt.add_element(speed)

    trkseg.add_element(trkpt)
  end
end

#write ⇒ Object 



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# File 'lib/comtec-dr/gpx_generator.rb', line 45

def write
  File.open(@filename, 'w') do |file|
    @doc.write(file, indent=2)
  end
end