edu.uci.ics.jung.algorithms.connectivity
Class KNeighborhoodExtractor

java.lang.Object
  edu.uci.ics.jung.algorithms.connectivity.KNeighborhoodExtractor

public class KNeighborhoodExtractor
extends Object

Extracts the subgraph (neighborhood) from a graph whose nodes are no more than distance k away from at least one of the root nodes (starting vertices).

Author:

Scott White and Danyel Fisher

Constructor Summary

KNeighborhoodExtractor()

Method Summary

static Graph	extractInDirectedNeighborhood(DirectedGraph graph, Set rootNodes, int radiusK) Extracts the subgraph comprised of all vertices within distance K (in-directed) from any node in rootNodes.
static Graph	extractNeighborhood(Graph graph, Set rootNodes, int radiusK) Extracts the subgraph comprised of all vertices within distance K (undirected) from any node in rootNodes.
static Graph	extractOutDirectedNeighborhood(DirectedGraph graph, Set rootNodes, int radiusK) Extracts the subgraph comprised of all vertices within distance K (out-directed) from any node in rootNodes.

Methods inherited from class java.lang.Object

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

Constructor Detail

KNeighborhoodExtractor

public KNeighborhoodExtractor()

Method Detail

extractNeighborhood

public static Graph extractNeighborhood(Graph graph,
                                        Set rootNodes,
                                        int radiusK)

Extracts the subgraph comprised of all vertices within distance K (undirected) from any node in rootNodes.

Parameters:

graph - the graph whose subgraph is to be extracted

rootNodes - the set of root nodes (starting vertices) in the graph

radiusK - the radius of the subgraph to be extracted

extractOutDirectedNeighborhood

public static Graph extractOutDirectedNeighborhood(DirectedGraph graph,
                                                   Set rootNodes,
                                                   int radiusK)

Extracts the subgraph comprised of all vertices within distance K (out-directed) from any node in rootNodes.

Parameters:

graph - the graph whose subgraph is to be extracted

rootNodes - the set of root nodes (starting vertices) in the graph

radiusK - the radius of the subgraph to be extracted

extractInDirectedNeighborhood

public static Graph extractInDirectedNeighborhood(DirectedGraph graph,
                                                  Set rootNodes,
                                                  int radiusK)

Extracts the subgraph comprised of all vertices within distance K (in-directed) from any node in rootNodes.

Parameters:

graph - the graph whose subgraph is to be extracted

rootNodes - the set of root nodes (starting vertices) in the graph

radiusK - the radius of the subgraph to be extracted