This topic describes the ST_Srid function. This function returns the spatial reference identifier (SRID) of an object.
Syntax
int4 ST_Srid(meshgeom geom);
int4 ST_Srid(sfmesh sfmeshObject);Parameters
| Parameter | Description |
|---|---|
| geom | The meshgeom object. |
| sfmeshObject | The sfmesh object. |
Description
This function returns the SRID of an object.
Examples
select ST_Srid(ST_MeshGeomFromText('Srid=4490;MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))'));
---------
4490