ST_DWithinCC (Python)

Assign a connected component id to each geometry based on the ST_DWithin predicate. Two geometries are in the same component if they are connected through any chain of geometries that are within the given distance of each other. SQL reference: ST_DWithinCC

Signature

from sedona.spark.sql.st_functions import ST_DWithinCC

ST_DWithinCC(
    geometry: ColumnOrName,
    distance: Union[ColumnOrName, float],
    use_spheroid: Optional[Union[ColumnOrName, bool]] = None,
    partition_by: Optional[ColumnOrName] = None,
) -> Column

Parameters

ColumnOrName

required

Geometry column or name.

Union[ColumnOrName, float]

required

The distance threshold.

Optional[Union[ColumnOrName, bool]]

default:"None"

Whether to use spheroid for distance calculation.

Optional[ColumnOrName]

default:"None"

Optional column to partition by before computing components.

Returns

Column

A long indicating the connected component id.

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Signature

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