class Geodesics::CentralAngles::Vincenty
Public Instance Methods
call(point1, point2)
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# File lib/geodesics/central_angles/vincenty.rb, line 7 def call(point1, point2) delta_longitude = (point1.longitude - point2.longitude).abs Math.atan( Math.sqrt( (Math.cos(point2.latitude) * Math.sin(delta_longitude))**2 + (Math.cos(point1.latitude) * Math.sin(point2.latitude) - Math.sin(point1.latitude) * Math.cos(point2.latitude) * Math.cos(delta_longitude))**2 ) / ( Math.sin(point1.latitude) * Math.sin(point2.latitude) + Math.cos(point1.latitude) * Math.cos(point2.latitude) * Math.cos(delta_longitude) ) ) end