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Elastic Docs ›Elasticsearch Guide [5.2] ›Mapping ›Field datatypes

Geo-point datatype

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Geo-point datatype

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Fields of type geo_point accept latitude-longitude pairs, which can be used:

There are four ways that a geo-point may be specified, as demonstrated below:

PUT my_index
{
  "mappings": {
    "my_type": {
      "properties": {
        "location": {
          "type": "geo_point"
        }
      }
    }
  }
}

PUT my_index/my_type/1
{
  "text": "Geo-point as an object",
  "location": { 
    "lat": 41.12,
    "lon": -71.34
  }
}

PUT my_index/my_type/2
{
  "text": "Geo-point as a string",
  "location": "41.12,-71.34" 
}

PUT my_index/my_type/3
{
  "text": "Geo-point as a geohash",
  "location": "drm3btev3e86" 
}

PUT my_index/my_type/4
{
  "text": "Geo-point as an array",
  "location": [ -71.34, 41.12 ] 
}

GET my_index/_search
{
  "query": {
    "geo_bounding_box": { 
      "location": {
        "top_left": {
          "lat": 42,
          "lon": -72
        },
        "bottom_right": {
          "lat": 40,
          "lon": -74
        }
      }
    }
  }
}

Geo-point expressed as an object, with lat and lon keys.

Geo-point expressed as a string with the format: "lat,lon".

Geo-point expressed as a geohash.

Geo-point expressed as an array with the format: [ lon, lat]

A geo-bounding box query which finds all geo-points that fall inside the box.

Geo-points expressed as an array or string

Please note that string geo-points are ordered as lat,lon, while array geo-points are ordered as the reverse: lon,lat.

Originally, lat,lon was used for both array and string, but the array format was changed early on to conform to the format used by GeoJSON.

Parameters for geo_point fields

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The following parameters are accepted by geo_point fields:

ignore_malformed

If true, malformed geo-points are ignored. If false (default), malformed geo-points throw an exception and reject the whole document.

Using geo-points in scripts

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When accessing the value of a geo-point in a script, the value is returned as a GeoPoint object, which allows access to the .lat and .lon values respectively:

geopoint = doc['location'].value;
lat      = geopoint.lat;
lon      = geopoint.lon;

For performance reasons, it is better to access the lat/lon values directly:

lat      = doc['location'].lat;
lon      = doc['location'].lon;
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