This topic describes the ST_AsGeometry function, which obtains the geometry-represented range of a grid.
Syntax
geometry ST_AsGeometry(geomgrid grid);
geometry[] ST_AsGeometry(geomgrid[] grid);
Parameters
Parameter | Description |
---|---|
grid | The grid whose range you want to obtain. |
Examples
select st_astext(
st_asgeometry(st_gridfromtext('G0013103220310313')));
st_astext
--------------------------------------------------------------------------------
POLYGON((116.458888888889 39.3088888888889,116.458888888889 39.3166666666667,11
6.466666666667 39.3166666666667,116.466666666667 39.3088888888889,116.4588888888
89 39.3088888888889))