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itk::ImageIOBase Class Reference
[Input and Output Filters]

Abstract superclass defines image IO interface. More...

#include <itkImageIOBase.h>

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List of all members.

Public Types

typedef ImageIOBase Self
typedef LightProcessObject Superclass
typedef SmartPointer< SelfPointer
enum  IODataType {
  UNKNOWN, UCHAR, CHAR, USHORT,
  SHORT, UINT, INT, ULONG,
  LONG, FLOAT, DOUBLE, RGB,
  RGBA, OFFSET, VECTOR, POINT,
  COVARIANTVECTOR
}
enum  FileType { ASCII, Binary, TypeNotApplicable }
enum  ByteOrder { BigEndian, LittleEndian, OrderNotApplicable }

Public Methods

virtual const char * GetClassName () const
virtual bool SetPixelType (const std::type_info &ptype)
std::string ReturnTypeAsString (IODataType) const
virtual unsigned int GetPixelStride () const
unsigned int GetImageSizeInPixels () const
unsigned int GetImageSizeInBytes () const
unsigned int GetImageSizeInComponents () const
virtual bool CanReadFile (const char *)=0
virtual void ReadImageInformation ()=0
virtual void Read (void *buffer)=0
virtual bool CanWriteFile (const char *)=0
virtual void WriteImageInformation ()=0
virtual void Write (const void *buffer)=0
virtual void SetFileName (const char *_arg)
virtual const char * GetFileName () const
virtual void SetFilePrefix (const char *_arg)
virtual const char * GetFilePrefix () const
void SetNumberOfDimensions (unsigned int)
virtual unsigned int GetNumberOfDimensions ()
virtual void SetDimensions (unsigned int i, unsigned int dim)
virtual unsigned int GetDimensions (unsigned int i) const
virtual void SetOrigin (unsigned int i, double origin)
virtual double GetOrigin (unsigned int i) const
virtual void SetSpacing (unsigned int i, double spacing)
virtual double GetSpacing (unsigned int i) const
virtual void SetIORegion (ImageIORegion _arg)
virtual ImageIORegion GetIORegion ()
virtual const std::type_info & GetPixelType () const
virtual void SetPixelType (const IODataType ctype)
virtual void SetComponentType (IODataType _arg)
virtual IODataType GetComponentType ()
virtual void SetNumberOfComponents (unsigned int _arg)
virtual unsigned int GetNumberOfComponents ()
virtual void SetFileType (FileType _arg)
virtual FileType GetFileType () const
void SetFileTypeToASCII ()
void SetFileTypeToBinary ()
virtual void SetByteOrder (ByteOrder _arg)
virtual ByteOrder GetByteOrder () const
void SetByteOrderToBigEndian ()
void SetByteOrderToLittleEndian ()

Protected Methods

 ImageIOBase ()
 ~ImageIOBase ()
void PrintSelf (std::ostream &os, Indent indent) const
virtual void Reset (const bool freeDynamic=true)
void Resize (const unsigned int numDimensions, const unsigned int *dimensions)
void ComputeStrides ()
virtual unsigned int GetPixelSize () const
virtual unsigned int GetComponentSize () const
unsigned int GetComponentStride () const
unsigned int GetRowStride () const
unsigned int GetSliceStride () const
void WriteBufferAsASCII (std::ostream &os, const void *buffer, IODataType ctype, unsigned int numComp)
void ReadBufferAsASCII (std::istream &os, void *buffer, IODataType ctype, unsigned int numComp)
const std::type_info & ConvertToTypeInfo (IODataType) const
unsigned int GetSizeOfType (IODataType) const

Protected Attributes

IODataType m_PixelType
IODataType m_ComponentType
unsigned int m_NumberOfDimensions
ByteOrder m_ByteOrder
FileType m_FileType
bool m_Initialized
std::string m_FileName
std::string m_FilePrefix
unsigned int m_NumberOfComponents
ImageIORegion m_IORegion
std::vector< unsigned int > m_Dimensions
std::vector< double > m_Spacing
std::vector< double > m_Origin
std::vector< unsigned int > m_Strides

Detailed Description

Abstract superclass defines image IO interface.

An itk::ImageIOClass is a class that reads and/or writes image data of a particular format. The ImageIOClass encapsulates both the reading and writing of a particular form of data, such as PNG or raw binary. The ImageIOClass is typically used by the ImageFileReader class (to read data) and the ImageFileWriter (to write data).

A Pluggable factory pattern is used this allows different kinds of readers to be registered (even at run time) without having to modify the code in this class.

See also:
ImageFileWriter , ImageFileReader

Definition at line 47 of file itkImageIOBase.h.


Member Typedef Documentation

typedef SmartPointer<Self> itk::ImageIOBase::Pointer
 

Reimplemented from itk::LightProcessObject.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

Definition at line 53 of file itkImageIOBase.h.

typedef ImageIOBase itk::ImageIOBase::Self
 

Standard class typedefs.

Reimplemented from itk::LightProcessObject.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

Definition at line 51 of file itkImageIOBase.h.

typedef LightProcessObject itk::ImageIOBase::Superclass
 

Reimplemented from itk::LightProcessObject.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

Definition at line 52 of file itkImageIOBase.h.


Member Enumeration Documentation

enum itk::ImageIOBase::ByteOrder
 

Enums used to specify byte order; whether Big Endian or Little Endian. Some subclasses use this, some ignore it.

Enumeration values:
BigEndian 
LittleEndian 
OrderNotApplicable 

Definition at line 151 of file itkImageIOBase.h.

enum itk::ImageIOBase::FileType
 

Enums used to specify write style: whether binary or ASCII. Some subclasses use this, some ignore it.

Enumeration values:
ASCII 
Binary 
TypeNotApplicable 

Definition at line 147 of file itkImageIOBase.h.

enum itk::ImageIOBase::IODataType
 

Enums used to manipulate the pixel and component type. (Typically a pixel is assumed to be made up of one or more components.)

Enumeration values:
UNKNOWN 
UCHAR 
CHAR 
USHORT 
SHORT 
UINT 
INT 
ULONG 
LONG 
FLOAT 
DOUBLE 
RGB 
RGBA 
OFFSET 
VECTOR 
POINT 
COVARIANTVECTOR 

Definition at line 63 of file itkImageIOBase.h.


Constructor & Destructor Documentation

itk::ImageIOBase::ImageIOBase   [protected]
 

itk::ImageIOBase::~ImageIOBase   [protected]
 


Member Function Documentation

virtual bool itk::ImageIOBase::CanReadFile const char *    [pure virtual]
 

Determine the file type. Returns true if this ImageIO can read the file specified.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

virtual bool itk::ImageIOBase::CanWriteFile const char *    [pure virtual]
 

Determine the file type. Returns true if this ImageIO can read the file specified.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

void itk::ImageIOBase::ComputeStrides   [protected]
 

Calculates the different strides (distance from one thing to the next). Upon return, strides[0] = bytes to get to the next component of a pixel, strides[1] = bytes to get to the next pixel in x direction, strides[2] = bytes to get to the next row in y direction, strides[3] = bytes to get to the next slice in z direction, etc.

const std::type_info& itk::ImageIOBase::ConvertToTypeInfo IODataType    const [protected]
 

Utility methods for working with IODataType.

virtual ByteOrder itk::ImageIOBase::GetByteOrder   const [virtual]
 

These methods indicate the byte ordering of the file you are trying to read in. These methods will then either swap or not swap the bytes depending on the byte ordering of the machine it is being run on. For example, reading in a BigEndian file on a BigEndian machine will result in no swapping. Trying to read the same file on a LittleEndian machine will result in swapping. Note: most UNIX machines are BigEndian while PC's and VAX's are LittleEndian. So if the file you are reading in was generated on a VAX or PC, SetByteOrderToLittleEndian() otherwise SetByteOrderToBigEndian(). Some ImageIOBase subclasses ignore these methods.

virtual const char* itk::ImageIOBase::GetClassName   const [virtual]
 

Run-time type information (and related methods).

Reimplemented from itk::LightProcessObject.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

virtual unsigned int itk::ImageIOBase::GetComponentSize   const [protected, virtual]
 

Compute the size (in bytes) of the components of a pixel. For example, and RGB pixel of unsigned char would have a component size of 1 byte. This method can be invoked only after the component type is set.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::GiplImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, and itk::VOLImageIO.

unsigned int itk::ImageIOBase::GetComponentStride   const [protected]
 

Convenient method for accessing number of bytes to get to the next pixel component. Returns m_Strides[0].

virtual IODataType itk::ImageIOBase::GetComponentType   [virtual]
 

Set/Get the component type of the image. The readering and writing process typically only supports the native types, with special case support like RGBPixel.

virtual unsigned int itk::ImageIOBase::GetDimensions unsigned int    i const [inline, virtual]
 

Set/Get the image dimensions in the x, y, z, etc. directions. GetDimensions() is typically used after reading the data; the SetDimensions() is used prior to writing the data.

Definition at line 87 of file itkImageIOBase.h.

virtual const char* itk::ImageIOBase::GetFileName   const [virtual]
 

Set/Get the file name. Subclasses may ignore this and use FilePrefix.

virtual const char* itk::ImageIOBase::GetFilePrefix   const [virtual]
 

Set/Get the file prefix. Subclasses may ignore this and use FileName.

virtual FileType itk::ImageIOBase::GetFileType   const [virtual]
 

These methods control whether the file is written binary or ASCII. Many file formats (i.e., subclasses) ignore this flag.

unsigned int itk::ImageIOBase::GetImageSizeInBytes   const
 

Return the number of bytes in the image.

unsigned int itk::ImageIOBase::GetImageSizeInComponents   const
 

Return the number of pixels times the number of components in the image.

unsigned int itk::ImageIOBase::GetImageSizeInPixels   const
 

Return the number of pixels in the image.

virtual ImageIORegion itk::ImageIOBase::GetIORegion   [virtual]
 

Specify the region of the image data to either read or write. The IORegion specifies the part of the image to read or write. Regions are defined with an index and a size vector. These vectors define the start (lower-left corner) and length of the region within the image. Make sure that the IORegion lies within the image.

virtual unsigned int itk::ImageIOBase::GetNumberOfComponents   [virtual]
 

Set/Get the number of components per pixel in the image. This may be set by the reading process.

virtual unsigned int itk::ImageIOBase::GetNumberOfDimensions   [virtual]
 

Set/Get the number of independent variables (dimensions) in the image being read.

virtual double itk::ImageIOBase::GetOrigin unsigned int    i const [inline, virtual]
 

Set/Get the image origin on a axis-by-axis basis. The SetOrigin() method is required when writing the image.

Definition at line 94 of file itkImageIOBase.h.

virtual unsigned int itk::ImageIOBase::GetPixelSize   const [protected, virtual]
 

Compute the size (in bytes) of the pixel. For example, and RGB pixel of unsigned char would have size 3 bytes.

virtual unsigned int itk::ImageIOBase::GetPixelStride   const [virtual]
 

Convenient method for accessing the number of bytes to get to the next pixel. Returns m_Strides[1];

virtual const std::type_info& itk::ImageIOBase::GetPixelType   const [virtual]
 

Set/Get the type of the pixel. The pixel type and component type may be different. By default, they are assumed to be the same. The pixel type may be determined by the reader (from the file) or from the writer (the writer's input type).

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::GiplImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, and itk::VOLImageIO.

unsigned int itk::ImageIOBase::GetRowStride   const [protected]
 

Convenient method for accessing the number of bytes to get to the next row. Returns m_Strides[2].

unsigned int itk::ImageIOBase::GetSizeOfType IODataType    const [protected]
 

Utility methods for working with IODataType.

unsigned int itk::ImageIOBase::GetSliceStride   const [protected]
 

Convenient method for accessing the number of bytes to get to the next slice. Returns m_Strides[3].

virtual double itk::ImageIOBase::GetSpacing unsigned int    i const [inline, virtual]
 

Set/Get the image spacing on an axis-by-axis basis. The SetSpacing() method is required when writing the image.

Definition at line 101 of file itkImageIOBase.h.

void itk::ImageIOBase::PrintSelf std::ostream &    os,
Indent    indent
const [protected, virtual]
 

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::LightProcessObject.

Reimplemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

virtual void itk::ImageIOBase::Read void *    buffer [pure virtual]
 

Reads the data from disk into the memory buffer provided.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

void itk::ImageIOBase::ReadBufferAsASCII std::istream &    os,
void *    buffer,
IODataType    ctype,
unsigned int    numComp
[protected]
 

Convenient method to read a buffer as ASCII text.

virtual void itk::ImageIOBase::ReadImageInformation   [pure virtual]
 

Read the spacing and dimentions of the image. Assumes SetFileName has been called with a valid file name.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

virtual void itk::ImageIOBase::Reset const bool    freeDynamic = true [protected, virtual]
 

Return the object to an initialized state, ready to be used

void itk::ImageIOBase::Resize const unsigned int    numDimensions,
const unsigned int *    dimensions
[protected]
 

Resize the ImageIOBase object to new dimensions.

std::string itk::ImageIOBase::ReturnTypeAsString IODataType    const
 

Convenience method returns the IODataType as a string. This can be used for writing output files.

virtual void itk::ImageIOBase::SetByteOrder ByteOrder    _arg [virtual]
 

These methods indicate the byte ordering of the file you are trying to read in. These methods will then either swap or not swap the bytes depending on the byte ordering of the machine it is being run on. For example, reading in a BigEndian file on a BigEndian machine will result in no swapping. Trying to read the same file on a LittleEndian machine will result in swapping. Note: most UNIX machines are BigEndian while PC's and VAX's are LittleEndian. So if the file you are reading in was generated on a VAX or PC, SetByteOrderToLittleEndian() otherwise SetByteOrderToBigEndian(). Some ImageIOBase subclasses ignore these methods.

void itk::ImageIOBase::SetByteOrderToBigEndian   [inline]
 

These methods indicate the byte ordering of the file you are trying to read in. These methods will then either swap or not swap the bytes depending on the byte ordering of the machine it is being run on. For example, reading in a BigEndian file on a BigEndian machine will result in no swapping. Trying to read the same file on a LittleEndian machine will result in swapping. Note: most UNIX machines are BigEndian while PC's and VAX's are LittleEndian. So if the file you are reading in was generated on a VAX or PC, SetByteOrderToLittleEndian() otherwise SetByteOrderToBigEndian(). Some ImageIOBase subclasses ignore these methods.

Definition at line 176 of file itkImageIOBase.h.

void itk::ImageIOBase::SetByteOrderToLittleEndian   [inline]
 

These methods indicate the byte ordering of the file you are trying to read in. These methods will then either swap or not swap the bytes depending on the byte ordering of the machine it is being run on. For example, reading in a BigEndian file on a BigEndian machine will result in no swapping. Trying to read the same file on a LittleEndian machine will result in swapping. Note: most UNIX machines are BigEndian while PC's and VAX's are LittleEndian. So if the file you are reading in was generated on a VAX or PC, SetByteOrderToLittleEndian() otherwise SetByteOrderToBigEndian(). Some ImageIOBase subclasses ignore these methods.

Definition at line 178 of file itkImageIOBase.h.

References HardConnectedComponentImageFilter::PrintSelf().

virtual void itk::ImageIOBase::SetComponentType IODataType    _arg [virtual]
 

Set/Get the component type of the image. The readering and writing process typically only supports the native types, with special case support like RGBPixel.

virtual void itk::ImageIOBase::SetDimensions unsigned int    i,
unsigned int    dim
[virtual]
 

Set/Get the image dimensions in the x, y, z, etc. directions. GetDimensions() is typically used after reading the data; the SetDimensions() is used prior to writing the data.

virtual void itk::ImageIOBase::SetFileName const char *    _arg [virtual]
 

Set/Get the file name. Subclasses may ignore this and use FilePrefix.

virtual void itk::ImageIOBase::SetFilePrefix const char *    _arg [virtual]
 

Set/Get the file prefix. Subclasses may ignore this and use FileName.

virtual void itk::ImageIOBase::SetFileType FileType    _arg [virtual]
 

These methods control whether the file is written binary or ASCII. Many file formats (i.e., subclasses) ignore this flag.

void itk::ImageIOBase::SetFileTypeToASCII   [inline]
 

These methods control whether the file is written binary or ASCII. Many file formats (i.e., subclasses) ignore this flag.

Definition at line 157 of file itkImageIOBase.h.

void itk::ImageIOBase::SetFileTypeToBinary   [inline]
 

These methods control whether the file is written binary or ASCII. Many file formats (i.e., subclasses) ignore this flag.

Definition at line 159 of file itkImageIOBase.h.

virtual void itk::ImageIOBase::SetIORegion ImageIORegion    _arg [virtual]
 

Specify the region of the image data to either read or write. The IORegion specifies the part of the image to read or write. Regions are defined with an index and a size vector. These vectors define the start (lower-left corner) and length of the region within the image. Make sure that the IORegion lies within the image.

virtual void itk::ImageIOBase::SetNumberOfComponents unsigned int    _arg [virtual]
 

Set/Get the number of components per pixel in the image. This may be set by the reading process.

void itk::ImageIOBase::SetNumberOfDimensions unsigned    int
 

Set/Get the number of independent variables (dimensions) in the image being read.

virtual void itk::ImageIOBase::SetOrigin unsigned int    i,
double    origin
[virtual]
 

Set/Get the image origin on a axis-by-axis basis. The SetOrigin() method is required when writing the image.

virtual bool itk::ImageIOBase::SetPixelType const std::type_info &    ptype [virtual]
 

This special, convenience version of SetPixelType() also sets the number of components and the component type. The function returns false if the pixel type is unsupported.

virtual void itk::ImageIOBase::SetPixelType const IODataType    ctype [virtual]
 

Set/Get the type of the pixel. The pixel type and component type may be different. By default, they are assumed to be the same. The pixel type may be determined by the reader (from the file) or from the writer (the writer's input type).

virtual void itk::ImageIOBase::SetSpacing unsigned int    i,
double    spacing
[virtual]
 

Set/Get the image spacing on an axis-by-axis basis. The SetSpacing() method is required when writing the image.

virtual void itk::ImageIOBase::Write const void *    buffer [pure virtual]
 

Writes the data to disk from the memory buffer provided. Make sure that the IORegions has been set properly.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.

void itk::ImageIOBase::WriteBufferAsASCII std::ostream &    os,
const void *    buffer,
IODataType    ctype,
unsigned int    numComp
[protected]
 

Convenient method to write a buffer as ASCII text.

virtual void itk::ImageIOBase::WriteImageInformation   [pure virtual]
 

Writes the spacing and dimentions of the image. Assumes SetFileName has been called with a valid file name.

Implemented in itk::AnalyzeImageIO, itk::DicomImageIO, itk::DICOMImageIO2, itk::GiplImageIO, itk::MetaImageIO, itk::PNGImageIO, itk::RawImageIO< TPixel, VImageDimension >, itk::VOLImageIO, and itk::VTKImageIO.


Member Data Documentation

ByteOrder itk::ImageIOBase::m_ByteOrder [protected]
 

Big or Little Endian, and the type of the file. (May be ignored.)

Definition at line 245 of file itkImageIOBase.h.

IODataType itk::ImageIOBase::m_ComponentType [protected]
 

Used internally to keep track of the type of the component. It is set when ComputeStrides() is invoked.

Definition at line 239 of file itkImageIOBase.h.

std::vector<unsigned int> itk::ImageIOBase::m_Dimensions [protected]
 

The array which stores the number of pixels in the x, y, z directions.

Definition at line 266 of file itkImageIOBase.h.

std::string itk::ImageIOBase::m_FileName [protected]
 

Filename: pathname + filename + file extension.

Definition at line 252 of file itkImageIOBase.h.

std::string itk::ImageIOBase::m_FilePrefix [protected]
 

File prefix: pathname + filename + some pattern

Definition at line 255 of file itkImageIOBase.h.

FileType itk::ImageIOBase::m_FileType [protected]
 

Definition at line 246 of file itkImageIOBase.h.

bool itk::ImageIOBase::m_Initialized [protected]
 

Does the ImageIOBase object have enough info to be of use?

Definition at line 249 of file itkImageIOBase.h.

ImageIORegion itk::ImageIOBase::m_IORegion [protected]
 

The region to read or write. The region contains information about the data within the region to read or write.

Definition at line 263 of file itkImageIOBase.h.

unsigned int itk::ImageIOBase::m_NumberOfComponents [protected]
 

Stores the number of components per pixel. This will be 1 for grayscale images, 3 for RGBPixel images, and 4 for RGBPixelA images.

Definition at line 259 of file itkImageIOBase.h.

unsigned int itk::ImageIOBase::m_NumberOfDimensions [protected]
 

The number of dimensions in the image.

Definition at line 242 of file itkImageIOBase.h.

std::vector<double> itk::ImageIOBase::m_Origin [protected]
 

The array which stores the origin of the image.

Definition at line 273 of file itkImageIOBase.h.

IODataType itk::ImageIOBase::m_PixelType [protected]
 

Used internally to keep track of the type of the pixel.

Definition at line 235 of file itkImageIOBase.h.

std::vector<double> itk::ImageIOBase::m_Spacing [protected]
 

The array which stores the spacing of pixels in the x, y, z directions.

Definition at line 270 of file itkImageIOBase.h.

std::vector<unsigned int> itk::ImageIOBase::m_Strides [protected]
 

Stores the number of bytes it takes to get to the next 'thing' e.g. component, pixel, row, slice, etc.

Definition at line 277 of file itkImageIOBase.h.


The documentation for this class was generated from the following file:
Generated at Fri May 21 01:20:14 2004 for ITK by doxygen 1.2.15 written by Dimitri van Heesch, © 1997-2000