QGIS/resources/function_help/json/sym_difference
2020-08-31 11:19:06 +10:00

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{
"name": "sym_difference",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns a geometry that represents the portions of two geometries that do not intersect.",
"arguments": [ {"arg":"geometry1","description":"a geometry"},
{"arg":"geometry2","description":"a geometry"}],
"examples": [ { "expression":"geom_to_wkt( sym_difference( geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ), geom_from_wkt( 'LINESTRING(3 3, 8 8)' ) ) )", "returns":"'LINESTRING(5 5, 8 8)'"} ]
}