Class: Groonga::GeoPoint

Inherits:
Object
  • Object
show all
Defined in:
lib/groonga/geo-point.rb

Direct Known Subclasses

TokyoGeoPoint, WGS84GeoPoint

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(geo_point_in_string) ⇒ GeoPoint #initialize(latitude, longitude) ⇒ GeoPoint

TODO: write document



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# File 'lib/groonga/geo-point.rb', line 90

def initialize(*arguments)
  if arguments.size == 1
    if arguments.first.is_a?(String)
      geo_point = self.class.parse(arguments.first)
    else
      geo_point = arguments.first
      geo_point = coerce(geo_point)
    end
    @latitude = geo_point.latitude
    @longitude = geo_point.longitude
  else
    # TODO: check # of arguments
    @latitude, @longitude, = arguments
  end
end

Instance Attribute Details

#latitude ⇒ Object

Returns the value of attribute latitude.



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# File 'lib/groonga/geo-point.rb', line 86

def latitude
  @latitude
end

#longitude ⇒ Object

Returns the value of attribute longitude.



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# File 'lib/groonga/geo-point.rb', line 86

def longitude
  @longitude
end

Class Method Details

.parse(string) ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 78

def parse(string)
  # TODO: validation
  latitude, longitude = string.split(/[x,]/, 2)
  new(GeoPointValueConverter.parse(latitude),
      GeoPointValueConverter.parse(longitude))
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 136

def ==(other)
  case other
  when String
    to_s == otehr
  when GeoPoint
    normalized_self = to_msec
    normalized_other = coerce(other).to_msec
    [normalized_self.latitude, normalized_self.longitude] ==
      [normalized_other.latitude, normalized_other.longitude]
  else
    false
  end
end

#degree? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/groonga/geo-point.rb', line 106

def degree?
  GeoPointValueConverter.degree?(latitude) and
    GeoPointValueConverter.degree?(longitude)
end

#inspect ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 132

def inspect
  "#<#{self.class} #{to_s}>"
end

#msec? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/groonga/geo-point.rb', line 111

def msec?
  GeoPointValueConverter.msec?(latitude) and
    GeoPointValueConverter.msec?(longitude)
end

#to_degree ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 116

def to_degree
  return self if degree?
  self.class.new(GeoPointValueConverter.to_degree(latitude),
                 GeoPointValueConverter.to_degree(longitude))
end

#to_msec ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 122

def to_msec
  return self if msec?
  self.class.new(GeoPointValueConverter.to_msec(latitude),
                 GeoPointValueConverter.to_msec(longitude))
end

#to_s ⇒ Object 



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# File 'lib/groonga/geo-point.rb', line 128

def to_s
  "#{latitude}x#{longitude}"
end