Class: Geodesics::CentralAngles::Haversine

Inherits:
Object
  • Object
show all
Defined in:
lib/geodesics/central_angles/haversine.rb

Overview

en.wikipedia.org/wiki/Versine#Haversine

Instance Method Summary collapse

Instance Method Details

#call(point1, point2) ⇒ Object 



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# File 'lib/geodesics/central_angles/haversine.rb', line 7

def call(point1, point2)
  2 * Math.asin(
    Math.sqrt(
      Math.sin((point1.latitude - point2.latitude).abs / 2)**2 +
      Math.cos(point1.latitude) * Math.cos(point2.latitude) *
      Math.sin((point1.longitude - point2.longitude).abs / 2)**2
    )
  )
end