QGIS/resources/function_help/json/num_geometries
2020-07-02 15:03:16 +10:00

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{
"name": "num_geometries",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns the number of geometries in a geometry collection, or null if the input geometry is not a collection.",
"arguments": [ {"arg":"geometry","description":"geometry collection"} ],
"examples": [ { "expression":"num_geometries(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'))", "returns":"4"}]
}