From 2392cc4c746d6760f408ebbda29b08ae5bc7bc54 Mon Sep 17 00:00:00 2001
From: Alex Reisner <alex@alexreisner.com>
Date: Thu, 31 Mar 2011 14:27:38 -0400
Subject: [PATCH] Methods for converting btwn radians and distance.
---
lib/geocoder/calculations.rb | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/geocoder/calculations.rb b/lib/geocoder/calculations.rb
index f2531922..6c180030 100644
--- a/lib/geocoder/calculations.rb
+++ b/lib/geocoder/calculations.rb
@@ -196,6 +196,14 @@ module Geocoder
end
end
+ def distance_to_radians(distance, units = :mi)
+ distance.to_f / earth_radius(units)
+ end
+
+ def radians_to_distance(radians, units = :mi)
+ radians * earth_radius(units)
+ end
+
##
# Convert miles to kilometers.
#
--
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