Geohash

Geohash en/decode library written in Ruby.

Install

gem'geohash_ruby'

Usage

Encode latitude and longitude into geohash

Geohash.encode47.6062095, -122.3320708#=> "c23nb62w20st"Geohash.encode47.6062095, -122.3320708,6#=> "c23nb6"

Decode from geohash

Geohash.decode'c23nb6'#=> [[47.603759765625, -122.332763671875], [47.6092529296875, -122.32177734375]]

Adjacent

Geohash.adjacent'c23nb6',:top#=> "c23nb7"

Neighbors

Geohash.neighbors'xn774c'#=> ["xn774f", "xn7754", "xn7751", "xn7750", "xn774b", "xn7748", "xn7749", "xn774d"]=begin+--------+--------+--------+| xn774d | xn774f | xn7754 |+--------+--------+--------+| xn7749 | xn774c | xn7751 |+--------+--------+--------+| xn7748 | xn774b | xn7750 |+--------+--------+--------+=end

Walk

Geohash.walk'xn774c',[:top,:right,:bottom,:bottom,:left,:left,:top,:top]#=> ["xn774f", "xn7754", "xn7751", "xn7750", "xn774b", "xn7748", "xn7749", "xn774d"]# implementation of `neighbors`

License

This project is copyright by Creasty, released under the MIT lisence.
See LICENSE file for details.