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{
"name": "make_valid",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns a valid geometry or an empty geometry if the geometry could not be made valid.",
"arguments": [{
"arg": "geometry",
"description": "a geometry"
}],
"examples": [{
"expression": "geom_to_wkt(make_valid(geom_from_wkt('POLYGON((3 2, 4 1, 5 8, 3 2, 4 2))')))",
"returns": "'GeometryCollection (Polygon ((5 8, 4 1, 3 2, 5 8)),LineString (3 2, 4 2))'"
}, {
"expression": "make_valid(geom_from_wkt('LINESTRING(0 0)'))",
"returns": "<empty geometry>"
}],
"tags": ["rules", "valid", "ogc", "according", "formed"]
}