This topic describes the ST_BoundingDiagonal function. This function returns the diagonal of an object.
Syntax
geometry ST_BoundingDiagonal(meshgeom geom, boolean fits default false);
geometry ST_BoundingDiagonal(sfmesh sfmeshObject, boolean fits default false);Parameters
| Parameter | Description |
|---|---|
| geom | The meshgeom object. |
| sfmeshObject | The sfmesh object. |
| fits | Specifies whether accurate calculation is required. |
Description
This function returns the diagonal of an object. The returned diagonal is of the geometry type.
Examples
select ST_AsText(ST_BoundingDiagonal('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1), INDEX((0,1,2),(1,2,3)))))'::meshgeom));
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LINESTRING Z (0 0 1,10 10 3)