Constructs a meshgeom object from its Well-Known Text (WKT) representation.
Syntax
meshgeom ST_MeshGeomFromWKT(text wkt);
meshgeom ST_MeshGeomFromWKT(text wkt, int4 srid);Parameters
| Parameter | Description |
|---|---|
wkt | The WKT representation of the meshgeom object. |
srid | The spatial reference identifier (SRID). |
Description
ST_MeshGeomFromWKT parses a WKT string and returns a meshgeom object.
Example
The following example constructs a meshgeom object from a WKT string with SRID 4326, then retrieves its EWKT representation using ST_AsEWKT.
SELECT ST_AsEWKT(
ST_MeshGeomFromWKT(
'MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1), INDEX((0,1,2),(1,2,3)))))',
4326
)
);Output:
SRID=4326;MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))