edu.stanford.math.plex4.metric.landmark

Class ExplicitLandmarkSelector<T>

java.lang.Object

edu.stanford.math.plex4.metric.landmark.LandmarkSelector<T>

edu.stanford.math.plex4.metric.landmark.ExplicitLandmarkSelector<T>

All Implemented Interfaces:

AbstractIntMetricSpace, AbstractObjectMetric<T>, AbstractObjectMetricSpace<T>, AbstractSearchableMetricSpace<T>

public class ExplicitLandmarkSelector<T>
extends LandmarkSelector<T>

Field Summary

Fields inherited from class edu.stanford.math.plex4.metric.landmark.LandmarkSelector

indexMapping, landmarkSetSize, metricSpace

Constructor Summary

Constructors

Constructor and Description
ExplicitLandmarkSelector(AbstractSearchableMetricSpace<T> metricSpace, int[] indices)

Method Summary

Methods

Modifier and Type	Method and Description
protected int[]	computeLandmarkSet() This function constructs the set of landmark points.

Methods inherited from class edu.stanford.math.plex4.metric.landmark.LandmarkSelector

distance, distance, getClosedNeighborhood, getKNearestNeighbors, getLandmarkIndex, getLandmarkPoints, getMaxDistanceFromPointsToLandmarks, getNearestPointIndex, getOpenNeighborhood, getPoint, getPoints, getUnderlyingMetricSpace, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExplicitLandmarkSelector

public ExplicitLandmarkSelector(AbstractSearchableMetricSpace<T> metricSpace,
                        int[] indices)

Method Detail

computeLandmarkSet

protected int[] computeLandmarkSet()

Description copied from class: LandmarkSelector

This function constructs the set of landmark points. It must return an array of size landmarkSetSize, which contains the indices of the landmark points within the metric space.

Specified by:

computeLandmarkSet in class LandmarkSelector<T>

Returns:

an array of indices corresponding to the landmark points in the metric space