PostGIS

ST_Hexagon
Prev	8.3. Geometry Constructors	Next

ST_Hexagon

8.3. Geometry Constructors

Name

ST_Hexagon — Returns a single hexagon, using the provided edge size and cell coordinate within the hexagon grid space.

Synopsis

+geometry +ST_Hexagon(+`float8 `+size, integer cell_i, integer cell_j, geometry origin`)`;

Description

Uses the same hexagon tiling concept as ST_HexagonGrid, but generates just one hexagon at the desired cell coordinate. Optionally, can adjust origin coordinate of the tiling, the default origin is at 0,0.

Hexagons are generated with no SRID set, so use ST_SetSRID to set the SRID to the one you expect.

Availability: 3.1.0

Example: Creating a hexagon at the origin

SELECT ST_AsText(ST_SetSRID(ST_Hexagon(1.0, 0, 0), 3857));

POLYGON((-1 0,-0.5
         -0.866025403784439,0.5
         -0.866025403784439,1
         0,0.5
         0.866025403784439,-0.5
         0.866025403784439,-1 0))

PostGIS

Name

Synopsis

Description

Example: Creating a hexagon at the origin

See Also