A wrapper to the lambert C library or lambert-java code.
gem install lambert_ruby
require 'lambert_ruby'
a = Lambert::LambertPoint.new(994272.661,13467.422)
a.wgs84(Lambert::LambertI)
puts "WGS84 Lat:#{a.y} Lon:#{a.x}"#License Copyright (c) 2013 Yannick Heinrich - Released under the GPLv2 License.