Class: NSWTopo::Labels::Barrier

Inherits:
Object
  • Object
show all
Defined in:
lib/nswtopo/layer/labels/barrier.rb

Defined Under Namespace

Classes: Segment

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(feature, buffer) ⇒ Barrier

Returns a new instance of Barrier.



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# File 'lib/nswtopo/layer/labels/barrier.rb', line 18

def initialize(feature, buffer)
  @feature, @buffer = feature, buffer
end

Instance Attribute Details

#buffer ⇒ Object (readonly)

Returns the value of attribute buffer.



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# File 'lib/nswtopo/layer/labels/barrier.rb', line 21

def buffer
  @buffer
end

Instance Method Details

#segments ⇒ Object 



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# File 'lib/nswtopo/layer/labels/barrier.rb', line 23

def segments
  case @feature
  when GeoJSON::Point
    [[@feature.coordinates] * 2]
  when GeoJSON::LineString
    @feature.coordinates.segments
  when GeoJSON::Polygon
    @feature.coordinates.flat_map do |coordinates|
      coordinates.segments
    end
  end.map do |segment|
    Segment.new segment, self
  end
end