QGIS/resources/function_help/json/straight_distance_2d

19 lines
702 B
Plaintext

{
"name": "straight_distance_2d",
"type": "function",
"groups": ["GeometryGroup"],
"description": "Returns the direct/euclidean distance between the first and last vertex of a geometry. The geometry must be a curve (circularstring, linestring).",
"arguments": [{
"arg": "geometry",
"description": "The geometry."
}],
"examples": [{
"expression": "straight_distance_2d(geom_from_wkt('LINESTRING(1 0, 1 1)'))",
"returns": "1"
}, {
"expression": "round(straight_distance_2d(geom_from_wkt('LINESTRING(1 4, 3 5, 5 0)')), 3)",
"returns": "5.657"
}],
"tags": ["distance", "curve", "circularstring", "first", "last", "direct", "euclidean", "linestring", "vertex"]
}