Module: GeoDistance::Conversion::Radians

Defined in:
lib/geo-distance/conversion/radians.rb

Instance Method Summary collapse

Instance Method Details

#in_radians(lat = 0) ⇒ Object

calculate the distance in radians for the given latitude



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# File 'lib/geo-distance/conversion/radians.rb', line 21

def in_radians lat = 0
  (unit != :radians) ? distance.to_f / earth_factor(lat) : distance # radians_conversion_factor
end

#radians_conversion_factor ⇒ Object 



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# File 'lib/geo-distance/conversion/radians.rb', line 16

def radians_conversion_factor 
  unit.radians_ratio
end

#to_radians ⇒ Object 



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# File 'lib/geo-distance/conversion/radians.rb', line 4

def to_radians
  cloned = self.dup               
  cloned.distance = in_radians
  cloned.unit = :radians
  cloned
end

#to_radians!(lat = 0) ⇒ Object 



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# File 'lib/geo-distance/conversion/radians.rb', line 11

def to_radians! lat = 0
  @distance = in_radians(lat)
  @unit = :radians
end