itk::PathConstIterator< TImage, TPath > Class Template Reference
[Path Representation Objects, Image Iterators]

PathConstIterator iterates (traces) over a path through an image. More...

#include <itkPathConstIterator.h>

Inheritance diagram for itk::PathConstIterator< TImage, TPath >:

Public Types
typedef TImage::AccessorType	AccessorType
typedef TImage	ImageType
typedef TImage::IndexType	IndexType
typedef TImage::IndexValueType	IndexValueType
typedef TImage::InternalPixelType	InternalPixelType
typedef TImage::OffsetType	OffsetType
typedef TImage::OffsetValueType	OffsetValueType
typedef PathType::InputType	PathInputType
typedef PathType::OutputType	PathOutputType
typedef TPath	PathType
typedef TImage::PixelContainer	PixelContainer
typedef PixelContainer::Pointer	PixelContainerPointer
typedef TImage::PixelType	PixelType
typedef TImage::PointType	PointType
typedef TImage::RegionType	RegionType
typedef PathConstIterator	Self
typedef TImage::SizeType	SizeType
typedef TImage::SizeValueType	SizeValueType
typedef TImage::SpacingType	SpacingType
Public Member Functions
const PixelType &	Get (void) const
const IndexType	GetIndex ()
virtual const char *	GetNameOfClass () const
const PathInputType	GetPathPosition ()
void	GoToBegin ()
bool	IsAtEnd ()
void	operator++ ()
Self &	operator= (const Self &it)
	PathConstIterator (const ImageType imagePtr, const PathType pathPtr)
virtual void	VisitStartIndexAsLastIndexIfClosed (bool flag)
virtual	~PathConstIterator ()
Static Public Member Functions
static unsigned int	GetImageIteratorDimension ()
Static Public Attributes
static const unsigned int	ImageIteratorDimension = TImage::ImageDimension
Protected Attributes
IndexType	m_CurrentImageIndex
PathInputType	m_CurrentPathPosition
ImageType::ConstWeakPointer	m_Image
PointType	m_ImageOrigin
const SizeValueType *	m_ImageSize
SpacingType	m_ImageSpacing
bool	m_IsAtEnd
PathType::ConstPointer	m_Path
RegionType	m_Region
bool	m_VisitStartIndexAsLastIndexIfClosed
OffsetType	m_ZeroOffset

Detailed Description

template<class TImage, class TPath>
class itk::PathConstIterator< TImage, TPath >

PathConstIterator iterates (traces) over a path through an image.

This iterator visits only those indices of the image that are overlapped by a specified 1D path. All indicies are visited in path order. If a path crosses itself at an index, that index of the image will be visited twice. An exception to this rule is that if the path is closed, i.e. its starting and ending indicies are coincident. When starting and ending indicies are coincident, GoToBegin() will go to the second index, since the "first" index will be visited later as the "last" index. This is so that paths (especially parametric paths) can be properly closed, without double-visiting the starting/ending point. This behavior can be overridden by calling VisitStartIndexAsLastIndexIfClosed(false) before calling GoToBegin(). This class is the const version of the PathIterator, and for this reason it doesn't support the Set() method.

MORE INFORMATION: For a complete description of the ITK Image Iterators and their API, please see the Iterators chapter in the ITK Software Guide. The ITK Software Guide is available in print and as a free .pdf download from http://www.itk.org.

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See also:: ImageConstIterator; ConditionalConstIterator; ConstNeighborhoodIterator; ConstShapedNeighborhoodIterator; ConstSliceIterator; CorrespondenceDataStructureIterator; FloodFilledFunctionConditionalConstIterator; FloodFilledImageFunctionConditionalConstIterator; FloodFilledImageFunctionConditionalIterator; FloodFilledSpatialFunctionConditionalConstIterator; FloodFilledSpatialFunctionConditionalIterator; ImageConstIterator; ImageConstIteratorWithIndex; ImageIterator; ImageIteratorWithIndex; ImageLinearConstIteratorWithIndex; ImageLinearIteratorWithIndex; ImageRandomConstIteratorWithIndex; ImageRandomIteratorWithIndex; ImageRegionConstIterator; ImageRegionConstIteratorWithIndex; ImageRegionExclusionConstIteratorWithIndex; ImageRegionExclusionIteratorWithIndex; ImageRegionIterator; ImageRegionIteratorWithIndex; ImageRegionReverseConstIterator; ImageRegionReverseIterator; ImageReverseConstIterator; ImageReverseIterator; ImageSliceConstIteratorWithIndex; ImageSliceIteratorWithIndex; NeighborhoodIterator; PathIterator; ShapedNeighborhoodIterator; SliceIterator; ImageConstIteratorWithIndex

Definition at line 73 of file itkPathConstIterator.h.