itk::ImageRandomConstIteratorWithIndex< TImage > Class Template Reference

A multi-dimensional image iterator that visits a random set of pixels within an image region. More...

#include <itkImageRandomConstIteratorWithIndex.h>

Inheritance diagram for itk::ImageRandomConstIteratorWithIndex< TImage >:

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Collaboration diagram for itk::ImageRandomConstIteratorWithIndex< TImage >:

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List of all members.

Public Types
typedef TImage::AccessorFunctorType	AccessorFunctorType
typedef TImage::AccessorType	AccessorType
typedef TImage	ImageType
typedef TImage::IndexType	IndexType
typedef IndexType::IndexValueType	IndexValueType
typedef TImage::InternalPixelType	InternalPixelType
typedef TImage::OffsetType	OffsetType
typedef OffsetType::OffsetValueType	OffsetValueType
typedef TImage::PixelContainer	PixelContainer
typedef PixelContainer::Pointer	PixelContainerPointer
typedef TImage::PixelType	PixelType
typedef TImage::RegionType	RegionType
typedef ImageRandomConstIteratorWithIndex	Self
typedef TImage::SizeType	SizeType
typedef SizeType::SizeValueType	SizeValueType
typedef ImageConstIteratorWithIndex < TImage >	Superclass
Public Member Functions
Self	Begin (void) const
Self	End (void) const
PixelType	Get (void) const
const IndexType &	GetIndex () const
const RegionType &	GetRegion () const
void	GoToReverseBegin (void)
	ImageRandomConstIteratorWithIndex (const ImageConstIteratorWithIndex< TImage > &it)
	ImageRandomConstIteratorWithIndex (const ImageType *ptr, const RegionType &region)
bool	IsAtBegin (void) const
bool	IsAtEnd (void) const
bool	IsAtReverseEnd (void) const
	itkStaticConstMacro (ImageDimension, unsigned int, TImage::ImageDimension)
bool	operator!= (const Self &it) const
bool	operator< (const Self &it) const
bool	operator<= (const Self &it) const
bool	operator== (const Self &it) const
bool	operator> (const Self &it) const
bool	operator>= (const Self &it) const
bool	Remaining ()
const PixelType &	Value (void) const
unsigned long	GetNumberOfSamples (void) const
void	SetNumberOfSamples (unsigned long number)
void	GoToBegin (void)
void	GoToEnd (void)
	ImageRandomConstIteratorWithIndex ()
	~ImageRandomConstIteratorWithIndex ()
Self &	operator++ ()
Self &	operator-- ()
void	ReinitializeSeed (int)
void	ReinitializeSeed ()
void	SetIndex (const IndexType &ind)
Static Public Member Functions
static unsigned int	GetImageDimension ()
Protected Attributes
const InternalPixelType *	m_Begin
IndexType	m_BeginIndex
const InternalPixelType *	m_End
IndexType	m_EndIndex
TImage::ConstWeakPointer	m_Image
unsigned long	m_OffsetTable [ImageDimension+1]
AccessorType	m_PixelAccessor
AccessorFunctorType	m_PixelAccessorFunctor
const InternalPixelType *	m_Position
IndexType	m_PositionIndex
RegionType	m_Region
bool	m_Remaining

---

Detailed Description

template<typename TImage>
class itk::ImageRandomConstIteratorWithIndex< TImage >

A multi-dimensional image iterator that visits a random set of pixels within an image region.

ImageRandomConstIteratorWithIndex is a multi-dimensional iterator class that is templated over image type. ImageRandomConstIteratorWithIndex is constrained to walk only within the specified region. It samples random pixel positions at each increment or decrement.

ImageRandomConstIteratorWithIndex assumes a particular layout of the image data. The is arranged in a 1D array as if it were [][][][slice][row][col] with Index[0] = col, Index[1] = row, Index[2] = slice, etc.

The operator++ method provides a simple syntax for walking around a region of a multidimensional image. operator++ performs a jump to a random position within the specified image region. This is designed to facilitate the extraction of random samples from the image.

This is the typical use of this iterator in a loop:

 ImageRandomConstIteratorWithIndex<ImageType> it( image, image->GetRequestedRegion() );
 
 it.SetNumberOfSamples(200);
 it.GoToBegin();
 while( !it.IsAtEnd() )
 {
   it.Get();
   ++it;  // here it jumps to another random position inside the region
  } 

or

 ImageRandomConstIteratorWithIndex<ImageType> it( image, image->GetRequestedRegion() );
 
 it.SetNumberOfSamples(200);
 it.GoToEnd();
 while( !it.IsAtBegin() )
 {
   it.Get();
   --it;  // here it jumps to another random position inside the region
  } 

Warning:

Incrementing the iterator (++it) followed by a decrement (--it) or vice versa does not in general return the iterator to the same position.

Definition at line 113 of file itkImageRandomConstIteratorWithIndex.h.

---

Member Typedef Documentation

typedef TImage ::AccessorFunctorType itk::ImageConstIteratorWithIndex< TImage >::AccessorFunctorType [inherited]

Definition at line 132 of file itkImageConstIteratorWithIndex.h.

typedef TImage ::AccessorType itk::ImageConstIteratorWithIndex< TImage >::AccessorType [inherited]

Accessor type that convert data between internal and external representations.

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, and itk::ImageSliceIteratorWithIndex< TImage >.

Definition at line 131 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

typedef TImage itk::ImageRandomConstIteratorWithIndex< TImage >::ImageType

Image typedef support. While this was already typdef'ed in the superclass it needs to be redone here for this subclass to compile properly with gcc. Note that we have to rescope Index back to itk::Index to that is it not confused with ImageIterator::Index.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 136 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

typedef TImage::IndexType itk::ImageRandomConstIteratorWithIndex< TImage >::IndexType

Index typedef support. While this was already typdef'ed in the superclass it needs to be redone here for this subclass to compile properly with gcc. Note that we have to rescope Index back to itk::Index to that is it not confused with ImageIterator::Index.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 124 of file itkImageRandomConstIteratorWithIndex.h.

typedef IndexType::IndexValueType itk::ImageConstIteratorWithIndex< TImage >::IndexValueType [inherited]

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, and itk::ImageSliceIteratorWithIndex< TImage >.

Definition at line 105 of file itkImageConstIteratorWithIndex.h.

typedef TImage ::InternalPixelType itk::ImageConstIteratorWithIndex< TImage >::InternalPixelType [inherited]

Internal Pixel Type

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, and itk::ImageSliceIteratorWithIndex< TImage >.

Definition at line 124 of file itkImageConstIteratorWithIndex.h.

typedef TImage ::OffsetType itk::ImageConstIteratorWithIndex< TImage >::OffsetType [inherited]

Type of the Offset taken from the image

Reimplemented in itk::ReflectiveImageRegionConstIterator< TImage >, itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, itk::ImageSliceIteratorWithIndex< TImage >, and itk::ReflectiveImageRegionConstIterator< TImage >.

Definition at line 135 of file itkImageConstIteratorWithIndex.h.

typedef OffsetType::OffsetValueType itk::ImageConstIteratorWithIndex< TImage >::OffsetValueType [inherited]

Reimplemented in itk::ReflectiveImageRegionConstIterator< TImage >, itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, itk::ImageSliceIteratorWithIndex< TImage >, and itk::ReflectiveImageRegionConstIterator< TImage >.

Definition at line 136 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

typedef TImage::PixelContainer itk::ImageRandomConstIteratorWithIndex< TImage >::PixelContainer

PixelContainer typedef support. Used to refer to the container for the pixel data. While this was already typdef'ed in the superclass it needs to be redone here for this subclass to compile properly with gcc.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 141 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

typedef PixelContainer::Pointer itk::ImageRandomConstIteratorWithIndex< TImage >::PixelContainerPointer

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 142 of file itkImageRandomConstIteratorWithIndex.h.

typedef TImage ::PixelType itk::ImageConstIteratorWithIndex< TImage >::PixelType [inherited]

External Pixel Type

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, and itk::ImageSliceIteratorWithIndex< TImage >.

Definition at line 127 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

typedef TImage::RegionType itk::ImageRandomConstIteratorWithIndex< TImage >::RegionType

Region typedef support. While this was already typdef'ed in the superclass it needs to be redone here for this subclass to compile properly with gcc. Note that we have to rescope Region back to itk::ImageRegion so that is it not confused with ImageIterator::Index.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 130 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

typedef ImageRandomConstIteratorWithIndex itk::ImageRandomConstIteratorWithIndex< TImage >::Self

Standard class typedefs.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 117 of file itkImageRandomConstIteratorWithIndex.h.

typedef TImage ::SizeType itk::ImageConstIteratorWithIndex< TImage >::SizeType [inherited]

Size typedef support.

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionConstIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, itk::ImageSliceIteratorWithIndex< TImage >, and itk::ImageRegionExclusionConstIteratorWithIndex< TImage >.

Definition at line 108 of file itkImageConstIteratorWithIndex.h.

typedef SizeType::SizeValueType itk::ImageConstIteratorWithIndex< TImage >::SizeValueType [inherited]

Reimplemented in itk::ReflectiveImageRegionIterator< TImage >, itk::ImageIteratorWithIndex< TImage >, itk::ImageLinearIteratorWithIndex< TImage >, itk::ImageRandomIteratorWithIndex< TImage >, itk::ImageRandomNonRepeatingIteratorWithIndex< TImage >, itk::ImageRegionExclusionIteratorWithIndex< TImage >, itk::ImageRegionIteratorWithIndex< TImage >, and itk::ImageSliceIteratorWithIndex< TImage >.

Definition at line 109 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

typedef ImageConstIteratorWithIndex<TImage> itk::ImageRandomConstIteratorWithIndex< TImage >::Superclass

Reimplemented in itk::ImageRandomIteratorWithIndex< TImage >.

Definition at line 118 of file itkImageRandomConstIteratorWithIndex.h.

---

Constructor & Destructor Documentation

template<typename TImage>

itk::ImageRandomConstIteratorWithIndex< TImage >::ImageRandomConstIteratorWithIndex

(

)

Default constructor. Needed since we provide a cast constructor.

template<typename TImage>

itk::ImageRandomConstIteratorWithIndex< TImage >::~ImageRandomConstIteratorWithIndex

(

)

[inline]

Default constructor. Needed since we provide a cast constructor.

Definition at line 146 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

itk::ImageRandomConstIteratorWithIndex< TImage >::ImageRandomConstIteratorWithIndex	(	const ImageType *	ptr,
		const RegionType &	region
	)

Constructor establishes an iterator to walk a particular image and a particular region of that image.

template<typename TImage>

itk::ImageRandomConstIteratorWithIndex< TImage >::ImageRandomConstIteratorWithIndex

(

const ImageConstIteratorWithIndex< TImage > &

it

)

[inline]

Constructor that can be used to cast from an ImageIterator to an ImageRandomConstIteratorWithIndex. Many routines return an ImageIterator but for a particular task, you may want an ImageRandomConstIteratorWithIndex. Rather than provide overloaded APIs that return different types of Iterators, itk returns ImageIterators and uses constructors to cast from an ImageIterator to a ImageRandomConstIteratorWithIndex.

Definition at line 159 of file itkImageRandomConstIteratorWithIndex.h.

---

Member Function Documentation

Self itk::ImageConstIteratorWithIndex< TImage >::Begin

(

void

)

const [inherited]

Move an iterator to the beginning of the region.

Deprecated:

Use GoToBegin() instead

Self itk::ImageConstIteratorWithIndex< TImage >::End

(

void

)

const [inherited]

Move an iterator to the End of the region.

Deprecated:

Use GoToReverseBegin() instead

PixelType itk::ImageConstIteratorWithIndex< TImage >::Get

(

void

)

const [inline, inherited]

Get the pixel value

Definition at line 237 of file itkImageConstIteratorWithIndex.h.

static unsigned int itk::ImageConstIteratorWithIndex< TImage >::GetImageDimension

(

)

[inline, static, inherited]

Get the dimension (size) of the index.

Definition at line 156 of file itkImageConstIteratorWithIndex.h.

const IndexType& itk::ImageConstIteratorWithIndex< TImage >::GetIndex

(

void

)

const [inline, inherited]

Get the index. This provides a read only reference to the index.

See also:

SetIndex

Definition at line 219 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

unsigned long itk::ImageRandomConstIteratorWithIndex< TImage >::GetNumberOfSamples

(

void

)

const

Set/Get number of random samples to get from the image region

const RegionType& itk::ImageConstIteratorWithIndex< TImage >::GetRegion

(

)

const [inline, inherited]

Get the region that this iterator walks. ImageIterators know the beginning and the end of the region of the image to iterate over.

Definition at line 224 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

void itk::ImageRandomConstIteratorWithIndex< TImage >::GoToBegin

(

void

)

[inline]

Move an iterator to the beginning of the region.

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Definition at line 163 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

void itk::ImageRandomConstIteratorWithIndex< TImage >::GoToEnd

(

void

)

[inline]

Move an iterator to one position past the End of the region.

Definition at line 171 of file itkImageRandomConstIteratorWithIndex.h.

void itk::ImageConstIteratorWithIndex< TImage >::GoToReverseBegin

(

void

)

[inherited]

Move an iterator to the End of the region.

template<typename TImage>

bool itk::ImageRandomConstIteratorWithIndex< TImage >::IsAtBegin

(

void

)

const [inline]

Is the iterator at the beginning of the region?

Definition at line 179 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

bool itk::ImageRandomConstIteratorWithIndex< TImage >::IsAtEnd

(

void

)

const [inline]

Is the iterator at the end of the region?

Reimplemented from itk::ImageConstIteratorWithIndex< TImage >.

Definition at line 183 of file itkImageRandomConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::IsAtReverseEnd

(

void

)

const [inline, inherited]

Is the iterator at the beginning of the region?

Definition at line 261 of file itkImageConstIteratorWithIndex.h.

itk::ImageConstIteratorWithIndex< TImage >::itkStaticConstMacro	(	ImageDimension	,
		unsigned	int,
		TImage ::ImageDimension
	)			[inherited]

Dimension of the image the iterator walks. This constant is needed so functions that are templated over image iterator type (as opposed to being templated over pixel type and dimension) can have compile time access to the dimension of the image that the iterator walks.

bool itk::ImageConstIteratorWithIndex< TImage >::operator!=

(

const Self &

it

)

const [inline, inherited]

Comparison operator. Two iterators are the same if they "point to" the same memory location

Definition at line 162 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

Self& itk::ImageRandomConstIteratorWithIndex< TImage >::operator++

(

)

[inline]

Increment (prefix) the selected dimension. No bounds checking is performed.

See also:

GetIndex

operator--

Definition at line 188 of file itkImageRandomConstIteratorWithIndex.h.

template<typename TImage>

Self& itk::ImageRandomConstIteratorWithIndex< TImage >::operator--

(

)

[inline]

Decrement (prefix) the selected dimension. No bounds checking is performed.

See also:

GetIndex

operator++

Definition at line 198 of file itkImageRandomConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::operator<

(

const Self &

it

)

const [inline, inherited]

Comparison operator. An iterator is "less than" another if it "points to" a lower memory location.

Definition at line 190 of file itkImageConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::operator<=

(

const Self &

it

)

const [inline, inherited]

Comparison operator. An iterator is "less than" another if it "points to" a lower memory location.

Definition at line 180 of file itkImageConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::operator==

(

const Self &

it

)

const [inline, inherited]

Comparison operator. Two iterators are the same if they "point to" the same memory location

Definition at line 171 of file itkImageConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::operator>

(

const Self &

it

)

const [inline, inherited]

Comparison operator. An iterator is "greater than" another if it "points to" a higher location.

Definition at line 210 of file itkImageConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::operator>=

(

const Self &

it

)

const [inline, inherited]

Comparison operator. An iterator is "greater than" another if it "points to" a higher location.

Definition at line 200 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

void itk::ImageRandomConstIteratorWithIndex< TImage >::ReinitializeSeed

(

int

)

Reinitialize the seed of the random number generator

template<typename TImage>

void itk::ImageRandomConstIteratorWithIndex< TImage >::ReinitializeSeed

(

)

Reinitialize the seed of the random number generator

bool itk::ImageConstIteratorWithIndex< TImage >::Remaining

(

)

[inline, inherited]

Are there data remainning in the region ?

Definition at line 273 of file itkImageConstIteratorWithIndex.h.

void itk::ImageConstIteratorWithIndex< TImage >::SetIndex

(

const IndexType &

ind

)

[inline, inherited]

Set the index. No bounds checking is performed.

See also:

GetIndex

Definition at line 229 of file itkImageConstIteratorWithIndex.h.

template<typename TImage>

void itk::ImageRandomConstIteratorWithIndex< TImage >::SetNumberOfSamples

(

unsigned long

number

)

Set/Get number of random samples to get from the image region

const PixelType& itk::ImageConstIteratorWithIndex< TImage >::Value

(

void

)

const [inline, inherited]

Return a const reference to the pixel This method will provide the fastest access to pixel data, but it will NOT support ImageAdaptors.

Definition at line 243 of file itkImageConstIteratorWithIndex.h.

---

Member Data Documentation

const InternalPixelType* itk::ImageConstIteratorWithIndex< TImage >::m_Begin [protected, inherited]

Definition at line 292 of file itkImageConstIteratorWithIndex.h.

IndexType itk::ImageConstIteratorWithIndex< TImage >::m_BeginIndex [protected, inherited]

Definition at line 282 of file itkImageConstIteratorWithIndex.h.

const InternalPixelType* itk::ImageConstIteratorWithIndex< TImage >::m_End [protected, inherited]

Definition at line 293 of file itkImageConstIteratorWithIndex.h.

IndexType itk::ImageConstIteratorWithIndex< TImage >::m_EndIndex [protected, inherited]

Definition at line 283 of file itkImageConstIteratorWithIndex.h.

TImage ::ConstWeakPointer itk::ImageConstIteratorWithIndex< TImage >::m_Image [protected, inherited]

Definition at line 279 of file itkImageConstIteratorWithIndex.h.

unsigned long itk::ImageConstIteratorWithIndex< TImage >::m_OffsetTable[ImageDimension+1] [protected, inherited]

Definition at line 289 of file itkImageConstIteratorWithIndex.h.

AccessorType itk::ImageConstIteratorWithIndex< TImage >::m_PixelAccessor [protected, inherited]

Definition at line 297 of file itkImageConstIteratorWithIndex.h.

AccessorFunctorType itk::ImageConstIteratorWithIndex< TImage >::m_PixelAccessorFunctor [protected, inherited]

Definition at line 298 of file itkImageConstIteratorWithIndex.h.

const InternalPixelType* itk::ImageConstIteratorWithIndex< TImage >::m_Position [protected, inherited]

Definition at line 291 of file itkImageConstIteratorWithIndex.h.

IndexType itk::ImageConstIteratorWithIndex< TImage >::m_PositionIndex [protected, inherited]

Definition at line 281 of file itkImageConstIteratorWithIndex.h.

RegionType itk::ImageConstIteratorWithIndex< TImage >::m_Region [protected, inherited]

Definition at line 287 of file itkImageConstIteratorWithIndex.h.

bool itk::ImageConstIteratorWithIndex< TImage >::m_Remaining [protected, inherited]

Definition at line 295 of file itkImageConstIteratorWithIndex.h.

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

• itkImageRandomConstIteratorWithIndex.h