Class: GpxRuby::Gpx::Track::Segment

Inherits:
Object
  • Object
show all
Defined in:
lib/gpx_ruby/gpx/track.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(points) ⇒ Segment

Returns a new instance of Segment.



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# File 'lib/gpx_ruby/gpx/track.rb', line 67

def initialize(points)
  @points = points || []
end

Instance Attribute Details

#points ⇒ Object

Returns the value of attribute points.



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# File 'lib/gpx_ruby/gpx/track.rb', line 65

def points
  @points
end

Instance Method Details

#center_of_gravity ⇒ Object 



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# File 'lib/gpx_ruby/gpx/track.rb', line 86

def center_of_gravity
  track_points  = points
  len = track_points.size
  center = track_points.reduce(:+)
  center / len
end

#distance ⇒ Object 



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# File 'lib/gpx_ruby/gpx/track.rb', line 71

def distance
  if @distance
    @distance
  else
    zipped_points = @points[0...-1].zip(@points[1..-1])
    distances = zipped_points.map {|(p,q)| p.distance(q) }
    @distance = distances.reduce(:+)
  end
end

#total_time ⇒ Object 



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# File 'lib/gpx_ruby/gpx/track.rb', line 81

def total_time
  start_time, end_time = @points.first.time, @points.last.time
  end_time - start_time rescue 0
end