ST_MinimumClearanceLine — Returns the two-point LineString spanning a geometry's minimum clearance.
Geometry ST_MinimumClearanceLine(
geometry
g)
;
Returns the two-point LineString spanning a geometry's minimum clearance.
If the geometry does not have a minimum
clearance, LINESTRING EMPTY
is returned.
Performed by the GEOS module.
Availability: 2.3.0 - requires GEOS >= 3.6.0
SELECT ST_AsText(ST_MinimumClearanceLine('POLYGON ((0 0, 1 0, 1 1, 0.5 3.2e-4, 0 0))')); ------------------------------- LINESTRING(0.5 0.00032,0.5 0)