Class: Geospatial::KML::Placemark

Inherits:
Object
  • Object
show all
Defined in:
lib/geospatial/kml/placemark.rb

Instance Method Summary collapse

Constructor Details

#initialize(node) ⇒ Placemark

Returns a new instance of Placemark.



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# File 'lib/geospatial/kml/placemark.rb', line 30

def initialize(node)
  @node = node
end

Instance Method Details

#bounding_circle ⇒ Object 



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# File 'lib/geospatial/kml/placemark.rb', line 46

def bounding_circle
  if look_at = @node.css("LookAt").first
    longitude = look_at.css("longitude").first.text.to_f
    latitude = look_at.css("latitude").first.text.to_f
    range = look_at.css("range").first.text.to_f
    
    center = Location.new(longitude, latitude)
    
    return Circle.new(center, range)
  end
end

#description ⇒ Object 



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# File 'lib/geospatial/kml/placemark.rb', line 40

def description
  if node = @node.css("description").first
    node.text.strip
  end
end

#name ⇒ Object 



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# File 'lib/geospatial/kml/placemark.rb', line 34

def name
  if node = @node.css("name").first
    node.text.strip
  end
end

#polygons ⇒ Object 



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# File 'lib/geospatial/kml/placemark.rb', line 58

def polygons
  return to_enum(:polygons) unless block_given?
  
  @node.css("Polygon").collect do |polygon_node|
    coordinates_node = polygon_node.css("coordinates").first
    
    text = coordinates_node.text.strip
    coordinates = text.split(/\s+/).collect do |coordinate| 
      Vector.elements(coordinate.split(',').collect(&:to_f).first(2))
    end
    
    yield Polygon.new(coordinates)
  end
end