QGIS/resources/function_help/json/nodes_to_points
2018-10-25 18:20:23 +10:00

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{
"name": "nodes_to_points",
"type": "function",
"description": "Returns a multipoint geometry consisting of every node in the input geometry.",
"arguments": [
{"arg":"geometry","description":"geometry object"},
{"arg":"ignore_closing_nodes", "optional": true, "default": "false", "description":"optional argument specifying whether to include duplicate nodes which close lines or polygons rings. Defaults to false, set to true to avoid including these duplicate nodes in the output collection."}
],
"examples": [
{ "expression":"geom_to_wkt(nodes_to_points(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))", "returns":"'MultiPoint ((0 0),(1 1),(2 2))'"},
{ "expression":"geom_to_wkt(nodes_to_points(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'),true))", "returns":"'MultiPoint ((-1 -1),(4 0),(4 2),(0 2))'"}
]
}