Class: Map::TrackingCleanerService

Inherits:
Object
  • Object
show all
Defined in:
lib/map/tracking_cleaner_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(trackings) ⇒ TrackingCleanerService

Returns a new instance of TrackingCleanerService.



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# File 'lib/map/tracking_cleaner_service.rb', line 6

def initialize(trackings)
  @trackings = trackings.to_a
end

Instance Attribute Details

#trackings ⇒ Object (readonly)

Returns the value of attribute trackings.



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# File 'lib/map/tracking_cleaner_service.rb', line 4

def trackings
  @trackings
end

Instance Method Details

#accuracy_average ⇒ Object 



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# File 'lib/map/tracking_cleaner_service.rb', line 36

def accuracy_average
  log('Precisão média') do
    sum_accuracy = trackings.inject(0) do |result, tracking|
      result + tracking.accuracy.to_f
    end

    if sum_accuracy > 0
      accuracy_average = sum_accuracy / trackings.length
      trackings.select do |tracking|
        tracking.st_acao == 'S' || tracking.accuracy.to_f <= (accuracy_average * 1.5)
      end
    else
      trackings
    end
  end
end

#minimum_distance(distance) ⇒ Object 



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# File 'lib/map/tracking_cleaner_service.rb', line 18

def minimum_distance(distance)
  log('Distância') do
    last_valid = nil
    trackings.select do |tracking|
      selected = true

      atual = Map::LatLonService.new(tracking.latitude, tracking.longitude)
      if last_valid
        tracking.distance = atual.distance_to(last_valid)
        selected = tracking.distance >= distance
      end
      last_valid = Map::LatLonService.new(tracking.latitude, tracking.longitude)

      selected
    end
  end
end

#simplify ⇒ Object 



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# File 'lib/map/tracking_cleaner_service.rb', line 53

def simplify
  log 'Simplify' do
    points = trackings.map do |point|
      {x: point.latitude.to_f, y: point.longitude.to_f}
    end

    points = SimplifyRb::Simplifier.new.process(points, 0.00001, false)

    trackings.select do |point|
      points.find{ |p| p[:x] == point.latitude.to_f && p[:y] == point.longitude.to_f }
    end
  end
end

#speed ⇒ Object 



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# File 'lib/map/tracking_cleaner_service.rb', line 10

def speed
  log('Velocidade') do
    @trackings.select do |tracking|
      tracking.st_acao == 'S' || tracking.speed.to_f > 0
    end
  end
end