Returns the box3d-type spatial range of a 3D geographic grid object. Use the array overload to process multiple grid cells in a single call.
Syntax
box ST_AsBox3D(geomgrid grid);
box[] ST_AsBox3D(geomgrid[] grid);Parameters
| Parameter | Description |
|---|---|
grid | The geographic grid object to convert. |
Description
This function returns the box3d-type spatial range of a 3D geographic grid.
Examples
Example 1: Single grid cell from a point
SELECT ST_AsBox3D(unnest(ST_As3DGrid(
'srid=4490;POINT(116.31522216796875 39.910277777777778 1001.8)'::geometry, 20)));Output:
st_asbox3d
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BOX3D(116.315 39.91 970.027683307417,116.315555555556 39.9105555555556 1023.92243561707)Example 2: Array of grid cells from a line
SELECT ST_AsBox3D(ST_As3DGrid(
'srid=4490;LINESTRING Z (116 39 2000,116.012 39.009 3000)'::geometry, 10));Output:
{"BOX3D(115.533333333333 38.5333333333333 0,116 39 55418.9804682462)","BOX3D(115.533333333333 39 0,116 39.5333333333333 55418.9804682462)",
"BOX3D(116 38.5333333333333 0,116.533333333333 39 55418.9804682462)","BOX3D(116 39 0,116.533333333333 39.5333333333333 55418.9804682462)"}