Ravn:: GeoFunctions module Functions for geographical utility. Public Instance Methods to_degrees() Convert this radian into degrees. # File lib/ravn/mixins.rb, line 436 def to_degrees return self * 180 / Math::PI end to_radians() Convert this degree into radians. # File lib/ravn/mixins.rb, line 430 def to_radians return self * Math::PI / 180; end