ibis.expr.api.GeoSpatialValue.point_n¶
-
GeoSpatialValue.
point_n
(n)¶ Return the Nth point in a single linestring in the geometry. Negative values are counted backwards from the end of the LineString, so that -1 is the last point. Returns NULL if there is no linestring in the geometry
- Parameters
arg (geometry) –
n (integer) –
- Returns
PointN
- Return type
geometry scalar