{ "name": "minimal_circle", "type": "function", "groups": ["GeometryGroup"], "description": "Returns the minimal enclosing circle of a geometry. It represents the minimum circle that encloses all geometries within the set.", "arguments": [ {"arg":"geometry","description":"a geometry"}, {"arg":"segment", "optional": true, "default": "36", "description": "optional argument for polygon segmentation. By default this value is 36"}], "examples": [ { "expression":"geom_to_wkt( minimal_circle( geom_from_wkt( 'LINESTRING(0 5, 0 -5, 2 1)' ), 4 ) )", "returns":"Polygon ((0 5, 5 -0, -0 -5, -5 0, 0 5))"}, { "expression":"geom_to_wkt( minimal_circle( geom_from_wkt( 'MULTIPOINT(1 2, 3 4, 3 2)' ), 4 ) )", "returns":"Polygon ((3 4, 3 2, 1 2, 1 4, 3 4))"} ] }