ogdf::Clusterer Class Reference

Clustering is determined based on the threshold values (connectivity thresholds determine edges to be deleted) and stopped if average clustering index drops below m_stopIndex. More...

#include <ogdf/graphalg/Clusterer.h>

Inheritance diagram for ogdf::Clusterer:

Public Member Functions
	Clusterer ()
	Default constructor allowing to cluster multiple graphs with the same instance of the Clusterer graphs.
	Clusterer (const Graph &G)
	Constructor taking a graph G to be clustered.
virtual	~Clusterer ()
virtual double	computeCIndex (const Graph &G, node v) override
	compute a clustering index for each vertex
virtual double	computeCIndex (node v) override
	compute a clustering index for each vertex
virtual void	computeClustering (SList< SimpleCluster * > &sl) override
	compute some kind of clustering on the graph m_pGraph
void	computeEdgeStrengths (const Graph &G, EdgeArray< double > &strength)
void	computeEdgeStrengths (EdgeArray< double > &strength)
virtual void	createClusterGraph (ClusterGraph &C) override
	translate computed clustering into cluster hierarchy in cluster graph C
void	setAutomaticThresholds (int numValues)
void	setClusteringThresholds (const List< double > &threshs)
void	setRecursive (bool b)
void	setStopIndex (double stop)
Public Member Functions inherited from ogdf::ClustererModule
	ClustererModule ()
	Default constructor, initializes a clustering module.
	ClustererModule (const Graph &G)
virtual double	averageCIndex ()
	compute the average clustering index for the given graph
virtual double	averageCIndex (const Graph &G)
const Graph &	getGraph () const
	Returns the graph to be clustered.
void	setGraph (const Graph &G)
	Sets the graph to be clustered.

Protected Attributes
int	m_autoThreshNum
List< double >	m_autoThresholds
List< double >	m_defaultThresholds
EdgeArray< double >	m_edgeValue
bool	m_recursive
double	m_stopIndex
List< double >	m_thresholds
NodeArray< double >	m_vertexValue
Protected Attributes inherited from ogdf::ClustererModule
const Graph *	m_pGraph

Detailed Description

Clustering is determined based on the threshold values (connectivity thresholds determine edges to be deleted) and stopped if average clustering index drops below m_stopIndex.

Precondition

Input graph has to be connected

Definition at line 58 of file Clusterer.h.

Constructor & Destructor Documentation

Clusterer() [1/2]

ogdf::Clusterer::Clusterer ( const Graph &  G )

explicit

Constructor taking a graph G to be clustered.

Clusterer() [2/2]

ogdf::Clusterer::Clusterer

(

)

Default constructor allowing to cluster multiple graphs with the same instance of the Clusterer graphs.

~Clusterer()

virtual ogdf::Clusterer::~Clusterer ( )

inlinevirtual

Definition at line 68 of file Clusterer.h.

Member Function Documentation

computeCIndex() [1/2]

virtual double ogdf::Clusterer::computeCIndex ( const Graph &  G, node  v  )

inlineoverridevirtual

compute a clustering index for each vertex

Implements ogdf::ClustererModule.

Definition at line 101 of file Clusterer.h.

computeCIndex() [2/2]

virtual double ogdf::Clusterer::computeCIndex ( node  v )

inlineoverridevirtual

compute a clustering index for each vertex

Implements ogdf::ClustererModule.

Definition at line 99 of file Clusterer.h.

computeClustering()

virtual void ogdf::Clusterer::computeClustering ( SList< SimpleCluster * > &  sl )

overridevirtual

compute some kind of clustering on the graph m_pGraph

This is the algorithm call that has to be implemented by derived classes

Parameters

sl	is the resulting list of clusters

Implements ogdf::ClustererModule.

computeEdgeStrengths() [1/2]

void ogdf::Clusterer::computeEdgeStrengths	(	const Graph &	G,
		EdgeArray< double > &	strength
	)

computeEdgeStrengths() [2/2]

void ogdf::Clusterer::computeEdgeStrengths

(

EdgeArray< double > &

strength

)

createClusterGraph()

virtual void ogdf::Clusterer::createClusterGraph ( ClusterGraph &  C )

overridevirtual

translate computed clustering into cluster hierarchy in cluster graph C

Implements ogdf::ClustererModule.

setAutomaticThresholds()

void ogdf::Clusterer::setAutomaticThresholds ( int  numValues )

inline

Definition at line 84 of file Clusterer.h.

setClusteringThresholds()

void ogdf::Clusterer::setClusteringThresholds

(

const List< double > &

threshs

)

setRecursive()

void ogdf::Clusterer::setRecursive ( bool  b )

inline

Definition at line 87 of file Clusterer.h.

setStopIndex()

void ogdf::Clusterer::setStopIndex ( double  stop )

inline

Definition at line 95 of file Clusterer.h.

Member Data Documentation

m_autoThreshNum

int ogdf::Clusterer::m_autoThreshNum

protected

Definition at line 135 of file Clusterer.h.

m_autoThresholds

List<double> ogdf::Clusterer::m_autoThresholds

protected

Definition at line 127 of file Clusterer.h.

m_defaultThresholds

List<double> ogdf::Clusterer::m_defaultThresholds

protected

Definition at line 128 of file Clusterer.h.

m_edgeValue

EdgeArray<double> ogdf::Clusterer::m_edgeValue

protected

Definition at line 124 of file Clusterer.h.

m_recursive

bool ogdf::Clusterer::m_recursive

protected

Definition at line 131 of file Clusterer.h.

m_stopIndex

double ogdf::Clusterer::m_stopIndex

protected

Definition at line 129 of file Clusterer.h.

m_thresholds

List<double> ogdf::Clusterer::m_thresholds

protected

Definition at line 126 of file Clusterer.h.

m_vertexValue

NodeArray<double> ogdf::Clusterer::m_vertexValue

protected

Definition at line 125 of file Clusterer.h.

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The documentation for this class was generated from the following file:

• include/ogdf/graphalg/Clusterer.h