elasticsearch/docs/reference/query-languages/esql/_snippets/functions/st_envelope.md

ST_ENVELOPE [esql-st_envelope]

Syntax

:::{image} ../../../../../images/st_envelope.svg :alt: Embedded :class: text-center :::

Parameters

geometry

Expression of type geo_point, geo_shape, cartesian_point or cartesian_shape. If null, the function returns null.

Description

Determines the minimum bounding box of the supplied geometry.

Supported types

geometry	result
cartesian_point	cartesian_shape
cartesian_shape	cartesian_shape
geo_point	geo_shape
geo_shape	geo_shape

Example

FROM airport_city_boundaries
| WHERE abbrev == "CPH"
| EVAL envelope = ST_ENVELOPE(city_boundary)
| KEEP abbrev, airport, envelope

abbrev:keyword	airport:text	envelope:geo_shape
CPH	Copenhagen	BBOX(12.453, 12.6398, 55.7327, 55.6318)