{ "name": "make_ellipse", "type": "function", "groups": ["GeometryGroup"], "description": "Creates an elliptical polygon.", "arguments": [ {"arg":"center", "description": "center point of the ellipse"}, {"arg":"semi_major_axis", "description": "semi-major axis of the ellipse"}, {"arg":"semi_minor_axis", "description": "semi-minor axis of the ellipse"}, {"arg":"azimuth", "description": "orientation of the ellipse"}, {"arg":"segments", "optional": true, "default": "36", "description": "optional argument for polygon segmentation. By default this value is 36"} ], "examples": [ { "expression":"geom_to_wkt(make_ellipse(make_point(10,10), 5, 2, 90, 4))", "returns":"'Polygon ((15 10, 10 8, 5 10, 10 12, 15 10))'"}, { "expression":"geom_to_wkt(make_ellipse(make_point(10,10,5), 5, 2, 90, 4))", "returns":"'PolygonZ ((15 10 5, 10 8 5, 5 10 5, 10 12 5, 15 10 5))'"}, { "expression":"geom_to_wkt(make_ellipse(make_point(10,10,5,30), 5, 2, 90, 4))", "returns":"'PolygonZM ((15 10 5 30, 10 8 5 30, 5 10 5 30, 10 12 5 30, 15 10 5 30))'"} ] }