org.elasticsearch.index.search.geo
Class GeoHashUtils

java.lang.Object
  org.elasticsearch.index.search.geo.GeoHashUtils

public class GeoHashUtils
extends Object

Utilities for encoding and decoding geohashes. Based on http://en.wikipedia.org/wiki/Geohash.

Field Summary

static int

PRECISION

Method Summary

static double[]	decode(String geohash)
static void	decode(String geohash, double[] ret) Decodes the given geohash into a latitude and longitude
static String	encode(double latitude, double longitude)
static String	encode(double latitude, double longitude, int precision) Encodes the given latitude and longitude into a geohash

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PRECISION

public static final int PRECISION

See Also:

Constant Field Values

Method Detail

encode

public static String encode(double latitude,
                            double longitude)

encode

public static String encode(double latitude,
                            double longitude,
                            int precision)

Encodes the given latitude and longitude into a geohash

Parameters:

latitude - Latitude to encode

longitude - Longitude to encode

Returns:

Geohash encoding of the longitude and latitude

decode

public static double[] decode(String geohash)

decode

public static void decode(String geohash,
                          double[] ret)

Decodes the given geohash into a latitude and longitude

Parameters:

geohash - Geohash to deocde