This topic describes the ST_Transform function. This function transforms an object to a different spatial reference system.
Syntax
meshgeom ST_Transform(meshgeom geom, integer srid);
sfmesh ST_Transform(sfmesh sfmeshObject, integer srid);Parameters
| Parameter | Description |
|---|---|
| geom | The meshgeom object. |
| sfmeshObject | The sfmesh object. |
| srid | The spatial reference identifier (SRID) of the object. |
Description
This function transforms an object to a different spatial reference system.
Examples
select ST_AsEWKT(ST_Transform(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)))))'),3857));
------------------------------------------------------------------------------
SRID=3857;MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 1118889.97485796 3,1113194.90793274 1118889.97485796 1,1113194.90793274 0 1),INDEX((0,1,2),(1,2,3)))))