This function returns the bounding box of a pcpatch object as a geometry object.
Syntax
geometry ST_envelopeGeometry(pcpatch pc);Parameters
Parameter | Description |
pc | The pcpatch object. |
Description
A bounding box is a 2D geometry object of GanosBase Geometry.
Examples
SELECT ST_AsText(ST_EnvelopeGeometry(pa)) FROM patches LIMIT 1;
st_astext
-------------------------------------------------------------------------------------------------------------------
POLYGON((-126.60000000000001 45.4,-126.60000000000001 45.49,-126.51 45.49,-126.51 45.4,-126.60000000000001 45.4))
(1 row)
CREATE INDEX ON patches USING GIST(ST_EnvelopeGeometry(pa));