netkit.graph.io
Class PajekGraph

java.lang.Object
  netkit.graph.io.PajekGraph

public class PajekGraph
extends java.lang.Object

Constructor Summary

PajekGraph()

Method Summary

static Graph	readGraph(java.io.File pajekFile) Overloaded entry point for readGraph(Reader)
static Graph	readGraph(java.io.Reader pajekReader) Reads the Graph information from Pajek formatted input, constructs the data structures and instantiates all of the instance data.
static void	saveGraph(Graph graph, java.io.PrintWriter pw)
static void	saveGraph(Graph graph, java.io.PrintWriter pw, Classification truth, Estimate pred, java.lang.String labelAttribute)
static void	saveGraph(Graph graph, java.lang.String file)
static void	saveGraph(Graph graph, java.lang.String file, Classification truth, Estimate pred, java.lang.String labelAttribute) Save the given graph as a pajek graph, to the given file, using the classification and estimate and label.

Methods inherited from class java.lang.Object

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

Constructor Detail

PajekGraph

public PajekGraph()

Method Detail

readGraph

public static Graph readGraph(java.io.File pajekFile)

Overloaded entry point for readGraph(Reader)

Parameters:

pajekFile - a File containing the Pajek formatted graph data.

Returns:

the constructed Graph object.

Throws:

java.lang.RuntimeException - if any of the file format constraints are violated or the files cannot be read.

readGraph

public static Graph readGraph(java.io.Reader pajekReader)

Reads the Graph information from Pajek formatted input, constructs the data structures and instantiates all of the instance data. This method is provided for compatability with the Pajek file format.

Parameters:

pajekReader - a Reader object containing the Pajek formatted graph data.

Returns:

the constructed Graph object.

Throws:

java.lang.RuntimeException - if any of the file format constraints are violated or the files cannot be read.

saveGraph

public static void saveGraph(Graph graph,
                             java.io.PrintWriter pw,
                             Classification truth,
                             Estimate pred,
                             java.lang.String labelAttribute)

saveGraph

public static void saveGraph(Graph graph,
                             java.io.PrintWriter pw)

saveGraph

public static void saveGraph(Graph graph,
                             java.lang.String file)

saveGraph

public static void saveGraph(Graph graph,
                             java.lang.String file,
                             Classification truth,
                             Estimate pred,
                             java.lang.String labelAttribute)

Save the given graph as a pajek graph, to the given file, using the classification and estimate and label. The nodes in the Pajek graph will be colored based on the truth and pred input variables. If there is a pred object, then the inside of the pajek nodes will be colored based on the prediction and the border of the nodes will be colored based on the truth. If there is no pred object, then the inside of the pajek node will be colored based on the truth. If an attribute name is provided, then that will be used as the label of the nodes. If that attribute is not available, then the id of the node is used instead.

Parameters:

graph - The NetKit graph to save in Pajek format

file - The file to save it to

truth - The true labels of nodes (can be null, otherwise used to color the node)

pred - The predictions of labels of nodes (can be null)

labelAttribute - The name of the attribute to use as the label of the nodes (if null, then the node ID is used).