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Geo Bounding Box Query

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Geo Bounding Box Query

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A query allowing to filter hits based on a point location using a bounding box. Assuming the following indexed document:

PUT /my_locations
{
    "mappings": {
        "_doc": {
            "properties": {
                "pin": {
                    "properties": {
                        "location": {
                            "type": "geo_point"
                        }
                    }
                }
            }
        }
    }
}

PUT /my_locations/_doc/1
{
    "pin" : {
        "location" : {
            "lat" : 40.12,
            "lon" : -71.34
        }
    }
}

Then the following simple query can be executed with a geo_bounding_box filter:

GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : {
                            "lat" : 40.73,
                            "lon" : -74.1
                        },
                        "bottom_right" : {
                            "lat" : 40.01,
                            "lon" : -71.12
                        }
                    }
                }
            }
        }
    }
}

Query Options

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Option	Description
`_name`	Optional name field to identify the filter
`validation_method`	Set to `IGNORE_MALFORMED` to accept geo points with invalid latitude or longitude, set to `COERCE` to also try to infer correct latitude or longitude. (default is `STRICT`).
`type`	Set to one of `indexed` or `memory` to defines whether this filter will be executed in memory or indexed. See Type below for further details Default is `memory`.

Accepted Formats

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In much the same way the geo_point type can accept different representations of the geo point, the filter can accept it as well:

Lat Lon As Properties

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GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : {
                            "lat" : 40.73,
                            "lon" : -74.1
                        },
                        "bottom_right" : {
                            "lat" : 40.01,
                            "lon" : -71.12
                        }
                    }
                }
            }
        }
    }
}

Lat Lon As Array

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Format in [lon, lat], note, the order of lon/lat here in order to conform with GeoJSON.

GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : [-74.1, 40.73],
                        "bottom_right" : [-71.12, 40.01]
                    }
                }
            }
        }
    }
}

Lat Lon As String

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Format in lat,lon.

GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : "40.73, -74.1",
                        "bottom_right" : "40.01, -71.12"
                    }
                }
            }
    }
}
}

Bounding Box as Well-Known Text (WKT)

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GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "wkt" : "BBOX (-74.1, -71.12, 40.73, 40.01)"
                    }
                }
            }
        }
    }
}

Geohash

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GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : "dr5r9ydj2y73",
                        "bottom_right" : "drj7teegpus6"
                    }
                }
            }
        }
    }
}

Vertices

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The vertices of the bounding box can either be set by top_left and bottom_right or by top_right and bottom_left parameters. More over the names topLeft, bottomRight, topRight and bottomLeft are supported. Instead of setting the values pairwise, one can use the simple names top, left, bottom and right to set the values separately.

GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top" : 40.73,
                        "left" : -74.1,
                        "bottom" : 40.01,
                        "right" : -71.12
                    }
                }
            }
        }
    }
}

geo_point Type

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The filter requires the geo_point type to be set on the relevant field.

Multi Location Per Document

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The filter can work with multiple locations / points per document. Once a single location / point matches the filter, the document will be included in the filter

Type

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The type of the bounding box execution by default is set to memory, which means in memory checks if the doc falls within the bounding box range. In some cases, an indexed option will perform faster (but note that the geo_point type must have lat and lon indexed in this case). Note, when using the indexed option, multi locations per document field are not supported. Here is an example:

GET /_search
{
    "query": {
        "bool" : {
            "must" : {
                "match_all" : {}
            },
            "filter" : {
                "geo_bounding_box" : {
                    "pin.location" : {
                        "top_left" : {
                            "lat" : 40.73,
                            "lon" : -74.1
                        },
                        "bottom_right" : {
                            "lat" : 40.10,
                            "lon" : -71.12
                        }
                    },
                    "type" : "indexed"
                }
            }
        }
    }
}

Ignore Unmapped

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When set to true the ignore_unmapped option will ignore an unmapped field and will not match any documents for this query. This can be useful when querying multiple indexes which might have different mappings. When set to false (the default value) the query will throw an exception if the field is not mapped.

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