lib/geo_calc/calc/midpoint.rb in geo_calc-0.7.1 vs lib/geo_calc/calc/midpoint.rb in geo_calc-0.7.3

@@ -1,17 +1,18 @@
-module GeoCalc::Calc
+module GeoCalc
   module Midpoint
     def midpoint_to point
       GeoCalc::Calc::Midpoint.midpoint_to self, point
     end
 
     # Returns the midpoint between this point and the supplied point.
-    #   see http:#mathforum.org/library/drmath/view/51822.html for derivation
+    # see(http:#mathforum.org/library/drmath/view/51822.html for derivation)
     # 
-    # - GeoPoint point: Latitude/longitude of destination point
-    # Returns GeoPoint: Midpoint between this point and the supplied point
-  
+    # @param [GeoPoint] base_point: Starting point (latitude, longitude)
+    # @param [GeoPoint] point: Destination point (latitude, longitude)
+    # @return [Array] Midpoint between this point and the supplied point
+    #
     def self.midpoint_to base_point, point
       lat1 = base_point.lat.to_rad
       lon1 = base_point.lon.to_rad;
       lat2 = point.lat.to_rad
       dlon = (point.lon - base_point.lon).to_rad
@@ -21,9 +22,10 @@
 
       lat3 = Math.atan2(Math.sin(lat1)+Math.sin(lat2), Math.sqrt( (Math.cos(lat1)+bx)*(Math.cos(lat1)+bx) + by*by) )
 
       lon3 = lon1 + Math.atan2(by, Math.cos(lat1) + bx)
 
-      GeoPoint.new lat3.to_deg, lon3.to_deg
+      [lat3.to_deg, lon3.to_deg]
+      # GeoPoint.new 
     end    
   end
 end