This topic describes the ST_AsWKT function. This function returns the well-known text (WKT) representation of an object of any type.
Syntax
text ST_AsWKT(meshgeom geom);
text ST_AsWKT(sfmesh sfmeshObject);Parameters
| Parameter | Description |
|---|---|
| geom | The meshgeom object. |
| sfmeshObject | The sfmesh object. |
Description
This function returns the WKT representation of an object of any type.
Examples
select ST_AsWKT(ST_MeshFromText('{"version" : 1, "root" : 0, "meshgeoms" : ["MESHGEOM(PATCH(INDEXSURFACE Z (VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"], "primitives" : [{"meshgeom" : 0}], "nodes" : [{"primitive" : 0}]}'));
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{"version" : 1, "root" : 0, "meshgeoms" : ["MESHGEOM(PATCH(INDEXSURFACE Z (VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"], "primitives" : [{"meshgeom" : 0}], "nodes" : [{"primitive" : 0}]}
select ST_AsWKT(ST_MeshGeomFromText('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))'));
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MESHGEOM(PATCH(INDEXSURFACE Z (VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))