Interface for planar subgraph algorithms. More...

#include <ogdf/planarity/PlanarSubgraphModule.h>

Inheritance diagram for ogdf::PlanarSubgraphModule< TCost >:

Public Member Functions
	PlanarSubgraphModule ()
	Initializes a planar subgraph module (default constructor).

ReturnType	call (const Graph &G, const EdgeArray< TCost > &cost, const List< edge > &preferredEdges, List< edge > &delEdges, bool preferredImplyPlanar=false)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

ReturnType	call (const Graph &G, const EdgeArray< TCost > &cost, List< edge > &delEdges)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

ReturnType	call (const Graph &G, const List< edge > &preferredEdges, List< edge > &delEdges, bool preferredImplyPlanar=false)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

ReturnType	call (const Graph &G, List< edge > &delEdges)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

ReturnType	callAndDelete (GraphCopy &GC, const List< edge > &preferredEdges, List< edge > &delOrigEdges, bool preferredImplyPlanar=false)
	Makes `GC` planar by deleting edges.

ReturnType	callAndDelete (GraphCopy &GC, List< edge > &delOrigEdges)
	Makes `G` planar by deleting edges.

virtual PlanarSubgraphModule *	clone () const =0
	Returns a new instance of the planar subgraph module with the same option settings.

unsigned int	maxThreads () const
	Returns the maximal number of used threads.

void	maxThreads (unsigned int n)
	Sets the maximal number of used threads to `n`.

ReturnType	operator() (const Graph &G, const List< edge > &preferredEdges, List< edge > &delEdges, bool preferredImplyPlanar=false)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

ReturnType	operator() (const Graph &G, List< edge > &delEdges)
	Returns the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

Public Member Functions inherited from ogdf::Module
	Module ()
	Initializes a module.

virtual	~Module ()

Public Member Functions inherited from ogdf::Timeouter
	Timeouter ()
	timeout is turned of by default

	Timeouter (bool t)
	timeout is turned off (false) or on (true) (with 0 second)

	Timeouter (const Timeouter &t)

	Timeouter (double t)
	timeout is set to the given value (seconds)

	~Timeouter ()

bool	isTimeLimit () const
	returns whether any time limit is set or not

Timeouter &	operator= (const Timeouter &t)

double	timeLimit () const
	returns the current time limit for the call

void	timeLimit (bool t)
	shorthand to turn timelimit off or on (with 0 seconds)

void	timeLimit (double t)
	sets the time limit for the call (in seconds); <0 means no limit.

Protected Member Functions
virtual ReturnType	doCall (const Graph &G, const List< edge > &preferredEdges, List< edge > &delEdges, const EdgeArray< TCost > *pCost=nullptr, bool preferredImplyPlanar=false)=0
	Computes the set of edges `delEdges` which have to be deleted to obtain the planar subgraph.

Private Attributes
unsigned int	m_maxThreads
	The maximal number of used threads.

Additional Inherited Members
Public Types inherited from ogdf::Module
enum class	ReturnType { Feasible , Optimal , NoFeasibleSolution , TimeoutFeasible , TimeoutInfeasible , Error }
	The return type of a module. More...

Static Public Member Functions inherited from ogdf::Module
static bool	isSolution (ReturnType ret)
	Returns true iff `ret` indicates that the module returned a feasible solution.

Protected Attributes inherited from ogdf::Timeouter
double	m_timeLimit
	Time limit for module calls (< 0 means no limit).

Detailed Description

template<typename TCost>
class ogdf::PlanarSubgraphModule< TCost >

Interface for planar subgraph algorithms.

See also: PlanarizationLayout, PlanarizationGridLayout

Definition at line 48 of file PlanarSubgraphModule.h.

Constructor & Destructor Documentation

◆ PlanarSubgraphModule()

template<typename TCost >

ogdf::PlanarSubgraphModule< TCost >::PlanarSubgraphModule ( )

inline

Initializes a planar subgraph module (default constructor).

Definition at line 53 of file PlanarSubgraphModule.h.

Member Function Documentation

◆ call() [1/4]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::call	(	const Graph &	G,
		const EdgeArray< TCost > &	cost,
		const List< edge > &	preferredEdges,
		List< edge > &	delEdges,
		bool	preferredImplyPlanar = `false`
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Parameters

G	is the input graph.
cost	are the costs of edges.
preferredEdges	are edges that should be contained in the planar subgraph.
delEdges	is the set of edges that need to be deleted to obtain the planar subgraph.
preferredImplyPlanar	indicates that the edges `preferredEdges` induce a planar graph.

Definition at line 69 of file PlanarSubgraphModule.h.

◆ call() [2/4]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::call	(	const Graph &	G,
		const EdgeArray< TCost > &	cost,
		List< edge > &	delEdges
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Parameters

G	is the input graph.
cost	are the costs of edges.
delEdges	is the set of edges that need to be deleted to obtain the planar subgraph.

Definition at line 92 of file PlanarSubgraphModule.h.

◆ call() [3/4]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::call	(	const Graph &	G,
		const List< edge > &	preferredEdges,
		List< edge > &	delEdges,
		bool	preferredImplyPlanar = `false`
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Parameters

G	is the input graph.
preferredEdges	are edges that should be contained in the planar subgraph.
delEdges	is the set of edges that need to be deleted to obtain the planar subgraph.
preferredImplyPlanar	indicates that the edges `preferredEdges` induce a planar graph.

Definition at line 81 of file PlanarSubgraphModule.h.

◆ call() [4/4]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::call	(	const Graph &	G,
		List< edge > &	delEdges
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Parameters

G	is the input graph.
delEdges	is the set of edges that need to be deleted to obtain the planar subgraph.

Definition at line 102 of file PlanarSubgraphModule.h.

◆ callAndDelete() [1/2]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::callAndDelete	(	GraphCopy &	GC,
		const List< edge > &	preferredEdges,
		List< edge > &	delOrigEdges,
		bool	preferredImplyPlanar = `false`
	)

inline

Makes GC planar by deleting edges.

Parameters

GC	is a copy of the input graph.
preferredEdges	are edges in `GC` that should be contained in the planar subgraph.
delOrigEdges	is the set of original edges whose copy has been deleted in `GC`.
preferredImplyPlanar	indicates that the edges `preferredEdges` induce a planar graph.

Definition at line 123 of file PlanarSubgraphModule.h.

◆ callAndDelete() [2/2]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::callAndDelete	(	GraphCopy &	GC,
		List< edge > &	delOrigEdges
	)

inline

Makes G planar by deleting edges.

Parameters

GC	is a copy of the input graph.
delOrigEdges	is the set of original edges whose copy has been deleted in `GC`.

Definition at line 141 of file PlanarSubgraphModule.h.

◆ clone()

template<typename TCost >

virtual PlanarSubgraphModule * ogdf::PlanarSubgraphModule< TCost >::clone ( ) const

pure virtual

Returns a new instance of the planar subgraph module with the same option settings.

Implemented in ogdf::MaximalPlanarSubgraphSimple< TCost, typename std::enable_if< std::is_integral< TCost >::value >::type >, ogdf::MaximalPlanarSubgraphSimple< TCost, typename std::enable_if< std::is_floating_point< TCost >::value >::type >, ogdf::MaximumPlanarSubgraph< TCost >, ogdf::PlanarSubgraphBoyerMyrvold, ogdf::PlanarSubgraphCactus< TCost >, ogdf::PlanarSubgraphEmpty< TCost >, ogdf::PlanarSubgraphFast< TCost >, ogdf::PlanarSubgraphTree< TCost >, and ogdf::PlanarSubgraphTriangles< TCost >.

◆ doCall()

template<typename TCost >

virtual ReturnType ogdf::PlanarSubgraphModule< TCost >::doCall	(	const Graph &	G,
		const List< edge > &	preferredEdges,
		List< edge > &	delEdges,
		const EdgeArray< TCost > *	pCost = `nullptr`,
		bool	preferredImplyPlanar = `false`
	)

protectedpure virtual

Computes the set of edges delEdges which have to be deleted to obtain the planar subgraph.

This is the actual algorithm call and needs to be implemented by derived classes.

Parameters

G	is the input graph.
preferredEdges	are edges that should be contained in the planar subgraph.
delEdges	is the set of edges that need to be deleted to obtain the planar subgraph.
pCost	is apointer to an edge array containing the edge costs; this pointer can be 0 if no costs are given (all edges have cost 1).
preferredImplyPlanar	indicates that the edges `preferredEdges` induce a planar graph.

Implemented in ogdf::PlanarSubgraphFast< TCost >, ogdf::MaximumPlanarSubgraph< TCost >, ogdf::PlanarSubgraphTriangles< TCost >, ogdf::PlanarSubgraphBoyerMyrvold, ogdf::PlanarSubgraphEmpty< TCost >, ogdf::PlanarSubgraphTree< TCost >, ogdf::MaximalPlanarSubgraphSimple< TCost, typename std::enable_if< std::is_integral< TCost >::value >::type >, and ogdf::MaximalPlanarSubgraphSimple< TCost, typename std::enable_if< std::is_floating_point< TCost >::value >::type >.

◆ maxThreads() [1/2]

template<typename TCost >

unsigned int ogdf::PlanarSubgraphModule< TCost >::maxThreads ( ) const

inline

Returns the maximal number of used threads.

Definition at line 150 of file PlanarSubgraphModule.h.

◆ maxThreads() [2/2]

template<typename TCost >

void ogdf::PlanarSubgraphModule< TCost >::maxThreads ( unsigned int n )

inline

Sets the maximal number of used threads to n.

Definition at line 153 of file PlanarSubgraphModule.h.

◆ operator()() [1/2]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::operator()	(	const Graph &	G,
		const List< edge > &	preferredEdges,
		List< edge > &	delEdges,
		bool	preferredImplyPlanar = `false`
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Definition at line 108 of file PlanarSubgraphModule.h.

◆ operator()() [2/2]

template<typename TCost >

ReturnType ogdf::PlanarSubgraphModule< TCost >::operator()	(	const Graph &	G,
		List< edge > &	delEdges
	)

inline

Returns the set of edges delEdges which have to be deleted to obtain the planar subgraph.

Definition at line 114 of file PlanarSubgraphModule.h.

Member Data Documentation

◆ m_maxThreads

template<typename TCost >

unsigned int ogdf::PlanarSubgraphModule< TCost >::m_maxThreads

private

The maximal number of used threads.

Definition at line 49 of file PlanarSubgraphModule.h.

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

include/ogdf/planarity/PlanarSubgraphModule.h

OpenGraph DrawingFramework

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PlanarSubgraphModule()

Member Function Documentation

◆ call() [1/4]

◆ call() [2/4]

◆ call() [3/4]

◆ call() [4/4]

◆ callAndDelete() [1/2]

◆ callAndDelete() [2/2]

◆ clone()

◆ doCall()

◆ maxThreads() [1/2]

◆ maxThreads() [2/2]

◆ operator()() [1/2]

◆ operator()() [2/2]

Member Data Documentation

◆ m_maxThreads

Open
Graph Drawing
Framework