ST_PointN (Python)

Get the n-th point (starts at 1) for a geometry. SQL reference: ST_PointN

Signature

from sedona.spark.sql.st_functions import ST_PointN

ST_PointN(geometry: ColumnOrName, n: Union[ColumnOrName, int]) -> Column

ColumnOrName

required

Geometry column to get the point from.

Union[ColumnOrName, int]

required

Index for the point to return, 1-based, negative values start from the end so -1 is the last point, values that are out of bounds return null.

Column

n-th point from the geometry as a point geometry column, or null if index is out of bounds.