22 lines
899 B
Plaintext

{
"name": "order_parts",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Orders the parts of a MultiGeometry by a given criteria",
"arguments": [
{"arg":"geometry","description":"a multi-type geometry"},
{"arg":"orderby","description":"an expression string defining the order criteria"},
{"arg":"ascending","optional":true,"default":"true","description":"boolean, True for ascending, False for descending"}
],
"examples": [
{
"expression":"geom_to_wkt(order_parts(geom_from_wkt('MultiPolygon (((1 1, 5 1, 5 5, 1 5, 1 1)),((1 1, 9 1, 9 9, 1 9, 1 1)))'), 'area($geometry)', False))",
"returns":"'MultiPolygon (((1 1, 9 1, 9 9, 1 9, 1 1)),((1 1, 5 1, 5 5, 1 5, 1 1)))'"
},
{
"expression":"geom_to_wkt(order_parts(geom_from_wkt('LineString(1 2, 3 2, 4 3)'), '1', True))",
"returns":"'LineString(1 2, 3 2, 4 3)'"
}
]
}