QGIS/resources/function_help/json/minimal_circle

{
  "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))"}
  ]
}