Class: Terraformer::Feature

Inherits:
Primitive show all
Extended by:
Forwardable
Defined in:
lib/terraformer/feature.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Primitive

#bbox, #envelope, #to_json, #type

Constructor Details

#initialize(*args) ⇒ Feature

Returns a new instance of Feature.



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# File 'lib/terraformer/feature.rb', line 11

def initialize *args
  unless args.empty?
    super *args do |arg|
      self.id = arg['id'] if arg.key? 'id'
      self.properties = arg['properties'] if arg.key? 'properties'
      self.geometry = Terraformer.parse arg['geometry'] if arg['geometry']
    end
  end
end

Instance Attribute Details

#crs ⇒ Object

Returns the value of attribute crs.



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# File 'lib/terraformer/feature.rb', line 6

def crs
  @crs
end

#geometry ⇒ Object

Returns the value of attribute geometry.



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# File 'lib/terraformer/feature.rb', line 6

def geometry
  @geometry
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/terraformer/feature.rb', line 6

def id
  @id
end

#properties ⇒ Object 



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# File 'lib/terraformer/feature.rb', line 21

def properties
  @properties ||= {}
end

Instance Method Details

#==(obj) ⇒ Object 



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# File 'lib/terraformer/feature.rb', line 44

def == obj
  return false unless Feature === obj
  to_hash == obj.to_hash
end

#geojson_io ⇒ Object 



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# File 'lib/terraformer/feature.rb', line 40

def geojson_io
  Terraformer.geojson_io self
end

#great_circle_distance(other) ⇒ Object 



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# File 'lib/terraformer/feature.rb', line 35

def great_circle_distance other
  other = other.geometry if Feature === other
  self.geometry.great_circle_distance other
end

#to_hash(*args) ⇒ Object 



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# File 'lib/terraformer/feature.rb', line 25

def to_hash *args
  h = {
    type: type,
    properties: properties,
  }
  h[:geometry] = geometry.to_hash(*args) if geometry
  h[:id] = id if id
  h
end