Geohash

Geohash encode/decode implementation for Elixir

Documentation

Usage

• Encode coordinates with Geohash.encode(lat, lon, precision \\ 11)

Geohash.encode(42.6, -5.6, 5)
# "ezs42"

• Decode coordinates with Geohash.decode(geohash)

Geohash.decode("ezs42")
# {42.605, -5.603}

• Find neighbors

Geohash.neighbors("abx1")
# %{"n" => "abx4",
#   "s" => "abx0",
#   "e" => "abx3",
#   "w" => "abwc",
#   "ne" => "abx6",
#   "se" => "abx2",
#   "nw" => "abwf",
#   "sw" => "abwb"}

• Find adjacent

Geohash.adjacent("abx1","n")
# "abx4"

• Get bounds

Geohash.bounds("u4pruydqqv")
# %{min_lon: 10.407432317733765, min_lat: 57.649109959602356, max_lon: 10.407443046569824, max_lat: 57.649115324020386}

Installation

1. Add geohash to your list of dependencies in mix.exs:

   def deps do

    [{:geohash, "~> 1.0"}]

   end

2. Ensure geohash is started before your application:

   def application do

    [applications: [:geohash]]

   end