Class: Parser::ExtractPoints

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_trail/parser/extract_points.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parsed_file) ⇒ ExtractPoints

Returns a new instance of ExtractPoints.



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# File 'lib/simple_trail/parser/extract_points.rb', line 7

def initialize(parsed_file)
  @parsed_file = parsed_file
end

Instance Attribute Details

#points ⇒ Object (readonly)

Returns the value of attribute points.



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# File 'lib/simple_trail/parser/extract_points.rb', line 5

def points
  @points
end

#simplified_points ⇒ Object (readonly)

Returns the value of attribute simplified_points.



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# File 'lib/simple_trail/parser/extract_points.rb', line 5

def simplified_points
  @simplified_points
end

Instance Method Details

#read_points ⇒ Object 



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# File 'lib/simple_trail/parser/extract_points.rb', line 11

def read_points

  main_node = @parsed_file.fetch(:trk)

  if main_node.is_a?(Array)
    @simplified_points = []
    @points = []

    main_node.each do |segment|
      @simplified_points << simplified_points_selection(segment)
      @points << segment_points_selection(segment)
    end

    @simplified_points.flatten!
    @points.flatten!
  else
    segments = main_node.fetch(:trkseg)
    @points = segments.is_a?(Array) ? segments.map { |seg| seg[:trkpt] }.flatten : segments[:trkpt]
    @simplified_points = @points.map { |point| point.select { |key, _| [:lon, :lat].include? key } }
  end
end

#segment_points_selection(segment) ⇒ Object 



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# File 'lib/simple_trail/parser/extract_points.rb', line 33

def segment_points_selection(segment)
  segments = segment.fetch(:trkseg)
  segments.is_a?(Array) ? segments.map { |seg| seg[:trkpt] }.flatten : segments[:trkpt]
end

#simplified_points_selection(segment) ⇒ Object 



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# File 'lib/simple_trail/parser/extract_points.rb', line 38

def simplified_points_selection(segment)
  segment_points_selection(segment).map { |point| point.select { |key, _| [:lon, :lat].include? key } }
end