858 B
858 B
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
orcartesian_shape
. Ifnull
, the function returnsnull
.
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) |