org.apache.ignite.ml.knn.utils.indices

Interface SpatialIndex<L>

Type Parameters:

L - Label type.

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

ArraySpatialIndex, BallTreeSpatialIndex, KDTreeSpatialIndex, KNNClassificationModel, KNNModel, KNNRegressionModel

public interface SpatialIndex<L>
extends AutoCloseable

An index that works with spatial data and allows to quickly find k closest element.

Method Summary

Modifier and Type	Method and Description
default void	close()
List<LabeledVector<L>>	findKClosest(int k, Vector pnt) Finds k closest elements to the specified point.

Method Detail

findKClosest

List<LabeledVector<L>> findKClosest(int k,
                                    Vector pnt)

Finds k closest elements to the specified point.

Parameters:

k - Number of elements to be returned.

pnt - Point to be used to calculate distance to other points.

Returns:

An array of the k closest elements to the specified point.

close

default void close()

Specified by:

close in interface AutoCloseable