Detailed Description

template<typename TTreeType>
class itk::LevelOrderTreeIterator< TTreeType >

Iterate over a tree in level order.

Examples:: DataRepresentation/Containers/TreeContainer.cxx, and SpatialObjects/SpatialObjectTreeContainer.cxx.

Definition at line 34 of file itkLevelOrderTreeIterator.h.

Public Types
typedef Superclass::NodeType	NodeType

typedef LevelOrderTreeIterator	Self

typedef TreeIteratorBase < TTreeType >	Superclass

typedef Superclass::TreeNodeType	TreeNodeType

typedef TTreeType	TreeType

typedef TTreeType::ValueType	ValueType

Public Types inherited from itk::TreeIteratorBase< TTreeType >
typedef TreeNodeType::ChildIdentifier	ChildIdentifier

enum	NodeType { UNDEFIND = 0, PREORDER = 1, INORDER = 2, POSTORDER = 3, LEVELORDER = 4, CHILD = 5, ROOT = 6, LEAF = 7 }

typedef TreeIteratorBase	Self

typedef TTreeType::TreeNodeType	TreeNodeType

typedef TTreeType::ValueType	ValueType

Public Member Functions
TreeIteratorBase< TTreeType > *	Clone ()

int	GetEndLevel () const

int	GetLevel () const

int	GetStartLevel () const

NodeType	GetType () const

	LevelOrderTreeIterator (TreeType tree, int endLevel=INT_MAX, const TreeNodeType start=NULL)

	LevelOrderTreeIterator (TreeType tree, int startLevel, int endLevel, const TreeNodeType start=NULL)

virtual	~LevelOrderTreeIterator ()


const Self &	operator= (const Self &iterator)

Public Member Functions inherited from itk::TreeIteratorBase< TTreeType >
virtual bool	Add (ValueType element)

virtual bool	Add (int position, ValueType element)

virtual bool	Add (TTreeType &subTree)

virtual int	ChildPosition (ValueType element) const

virtual TreeIteratorBase < TTreeType > *	Children ()

virtual int	Count ()

virtual int	CountChildren () const

virtual bool	Disconnect ()

virtual const ValueType &	Get () const

virtual TreeIteratorBase < TTreeType > *	GetChild (int number) const

virtual TreeNodeType *	GetNode ()

virtual const TreeNodeType *	GetNode () const

const TreeNodeType *	GetParent () const

TreeNodeType *	GetRoot ()

const TreeNodeType *	GetRoot () const

virtual TTreeType *	GetSubTree () const

TTreeType *	GetTree () const

void	GoToBegin ()

virtual bool	GoToChild (ChildIdentifier number=0)

void	GoToEnd ()

virtual bool	GoToParent ()

virtual bool	HasChild (int number=0) const

virtual bool	HasParent () const

bool	IsAtBegin (void) const

bool	IsAtEnd (void) const

virtual bool	IsLeaf () const

virtual bool	IsRoot () const

virtual TreeIteratorBase < TTreeType > *	Parents ()

bool	Remove ()

virtual bool	RemoveChild (int number)

void	Set (ValueType element)

virtual	~TreeIteratorBase ()

Self &	operator++ ()

void	operator++ (int)

Self &	operator= (const Self &iterator)

Protected Member Functions
bool	HasNext () const

const ValueType &	Next ()

Protected Member Functions inherited from itk::TreeIteratorBase< TTreeType >
	TreeIteratorBase (TTreeType tree, const TreeNodeType start)

	TreeIteratorBase (const TTreeType tree, const TreeNodeType start)

Private Member Functions
const TreeNodeType *	FindNextNode () const

const TreeNodeType *	FindNextNodeHelp () const

int	GetLevel (const TreeNodeType *node) const

Private Attributes
int	m_EndLevel

std::queue< const TreeNodeType * >	m_Queue

int	m_StartLevel

Additional Inherited Members
Protected Attributes inherited from itk::TreeIteratorBase< TTreeType >
TreeNodeType *	m_Begin

TreeNodeType *	m_End

TreeNodeType *	m_Position

const TreeNodeType *	m_Root

TTreeType *	m_Tree