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itk::ImageGridSampler< TInputImage > Class Template Reference

#include <itkImageGridSampler.h>

Inheritance diagram for itk::ImageGridSampler< TInputImage >:
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Collaboration diagram for itk::ImageGridSampler< TInputImage >:
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Public Types

typedef SmartPointer< const SelfConstPointer
typedef
Superclass::DataObjectPointer 
DataObjectPointer
typedef
Superclass::ImageSampleContainerType 
ImageSampleContainerType
typedef Superclass::ImageSampleType ImageSampleType
typedef
Superclass::InputImageConstPointer 
InputImageConstPointer
typedef InputImageType::IndexType InputImageIndexType
typedef
Superclass::InputImagePixelType 
InputImagePixelType
typedef
Superclass::InputImagePointer 
InputImagePointer
typedef InputImageType::PointType InputImagePointType
typedef
Superclass::InputImageRegionType 
InputImageRegionType
typedef InputImageType::SizeType InputImageSizeType
typedef Superclass::InputImageType InputImageType
typedef Superclass::MaskType MaskType
typedef
Superclass::OutputVectorContainerPointer 
OutputVectorContainerPointer
typedef
Superclass::OutputVectorContainerType 
OutputVectorContainerType
typedef SmartPointer< SelfPointer
typedef InputImageIndexType SampleGridIndexType
typedef InputImageType::SizeType SampleGridSizeType
typedef InputImageType::OffsetType SampleGridSpacingType
typedef
SampleGridSpacingType::OffsetValueType 
SampleGridSpacingValueType
typedef ImageGridSampler Self
typedef ImageSamplerBase
< TInputImage > 
Superclass
- Public Types inherited from itk::ImageSamplerBase< TInputImage >
typedef SmartPointer< const SelfConstPointer
typedef
Superclass::DataObjectPointer 
DataObjectPointer
typedef VectorDataContainer
< unsigned long,
ImageSampleType
ImageSampleContainerType
typedef ImageSample
< InputImageType
ImageSampleType
typedef ImageSampleType::RealType ImageSampleValueType
typedef
Superclass::InputImageConstPointer 
InputImageConstPointer
typedef InputImageType::IndexType InputImageIndexType
typedef
Superclass::InputImagePixelType 
InputImagePixelType
typedef
Superclass::InputImagePointer 
InputImagePointer
typedef InputImageType::PointType InputImagePointType
typedef
InputImagePointType::ValueType 
InputImagePointValueType
typedef
Superclass::InputImageRegionType 
InputImageRegionType
typedef std::vector
< InputImageRegionType
InputImageRegionVectorType
typedef InputImageType::SizeType InputImageSizeType
typedef Superclass::InputImageType InputImageType
typedef MaskType::ConstPointer MaskConstPointer
typedef MaskType::Pointer MaskPointer
typedef SpatialObject
< itkGetStaticConstMacro(InputImageDimension) > 
MaskType
typedef std::vector
< MaskConstPointer
MaskVectorType
typedef
Superclass::OutputVectorContainerPointer 
OutputVectorContainerPointer
typedef
Superclass::OutputVectorContainerType 
OutputVectorContainerType
typedef SmartPointer< SelfPointer
typedef ImageSamplerBase Self
typedef
ImageToVectorContainerFilter
< TInputImage,
VectorDataContainer< unsigned
long, ImageSample< TInputImage > > > 
Superclass
- Public Types inherited from itk::ImageToVectorContainerFilter< TInputImage, VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
typedef SmartPointer< const SelfConstPointer
typedef
Superclass::DataObjectPointer 
DataObjectPointer
typedef
InputImageType::ConstPointer 
InputImageConstPointer
typedef InputImageType::PixelType InputImagePixelType
typedef InputImageType::Pointer InputImagePointer
typedef InputImageType::RegionType InputImageRegionType
typedef TInputImage InputImageType
typedef
Superclass::OutputVectorContainerPointer 
OutputVectorContainerPointer
typedef
Superclass::OutputVectorContainerType 
OutputVectorContainerType
typedef SmartPointer< SelfPointer
typedef
ImageToVectorContainerFilter 
Self
typedef VectorContainerSource
< VectorDataContainer
< unsigned long, ImageSample
< TInputImage > > > 
Superclass
- Public Types inherited from itk::VectorContainerSource< VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
typedef SmartPointer< const SelfConstPointer
typedef
Superclass::DataObjectPointer 
DataObjectPointer
typedef
OutputVectorContainerType::Pointer 
OutputVectorContainerPointer
typedef VectorDataContainer
< unsigned long, ImageSample
< TInputImage > > 
OutputVectorContainerType
typedef SmartPointer< SelfPointer
typedef VectorContainerSource Self
typedef ProcessObject Superclass

Public Member Functions

virtual const char * GetClassName () const
virtual SampleGridSpacingType GetSampleGridSpacing () const
 itkStaticConstMacro (InputImageDimension, unsigned int, Superclass::InputImageDimension)
virtual bool SelectingNewSamplesOnUpdateSupported (void) const
virtual bool SelectNewSamplesOnUpdate (void)
virtual void SetNumberOfSamples (unsigned long nrofsamples)
void SetSampleGridSpacing (SampleGridSpacingType arg)
- Public Member Functions inherited from itk::ImageSamplerBase< TInputImage >
virtual const
InputImageRegionType
GetCroppedInputImageRegion ()
virtual const
InputImageRegionType
GetInputImageRegion (unsigned int pos) const
virtual const
InputImageRegionType
GetInputImageRegion (void) const
virtual const MaskTypeGetMask (unsigned int pos) const
virtual const MaskTypeGetMask (void) const
virtual unsigned int GetNumberOfInputImageRegions () const
virtual unsigned int GetNumberOfMasks () const
 itkStaticConstMacro (InputImageDimension, unsigned int, InputImageType::ImageDimension)
virtual void SetInputImageRegion (const InputImageRegionType _arg, unsigned int pos)
virtual void SetInputImageRegion (const InputImageRegionType _arg)
virtual void SetMask (const MaskType *_arg, unsigned int pos)
virtual void SetMask (const MaskType *_arg)
virtual void SetNumberOfInputImageRegions (const unsigned int _arg)
virtual void SetNumberOfMasks (const unsigned int _arg)
- Public Member Functions inherited from itk::ImageToVectorContainerFilter< TInputImage, VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
const InputImageTypeGetInput (void)
const InputImageTypeGetInput (unsigned int idx)
OutputVectorContainerTypeGetOutput (void)
DataObject::Pointer MakeOutput (unsigned int idx)
void SetInput (unsigned int idx, const InputImageType *input)
void SetInput (const InputImageType *input)
- Public Member Functions inherited from itk::VectorContainerSource< VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
OutputVectorContainerTypeGetOutput (unsigned int idx)
virtual void GraftNthOutput (unsigned int idx, DataObject *output)
virtual void GraftOutput (DataObject *output)

Static Public Member Functions

static Pointer New ()

Protected Member Functions

virtual void GenerateData (void)
 ImageGridSampler ()
void PrintSelf (std::ostream &os, Indent indent) const
virtual ~ImageGridSampler ()
- Protected Member Functions inherited from itk::ImageSamplerBase< TInputImage >
virtual bool CheckInputImageRegions (void)
void CropInputImageRegion (void)
virtual void GenerateInputRequestedRegion (void)
 ImageSamplerBase ()
virtual bool IsInsideAllMasks (const InputImagePointType &point) const
virtual void UpdateAllMasks (void)
virtual ~ImageSamplerBase ()
- Protected Member Functions inherited from itk::ImageToVectorContainerFilter< TInputImage, VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
 ImageToVectorContainerFilter ()
virtual ~ImageToVectorContainerFilter ()
- Protected Member Functions inherited from itk::VectorContainerSource< VectorDataContainer< unsigned long, ImageSample< TInputImage > > >
 VectorContainerSource ()
virtual ~VectorContainerSource ()

Protected Attributes

unsigned long m_RequestedNumberOfSamples
SampleGridSpacingType m_SampleGridSpacing

Private Member Functions

 ImageGridSampler (const Self &)
void operator= (const Self &)

Detailed Description

template<class TInputImage>
class itk::ImageGridSampler< TInputImage >

Samples image voxels on a regular grid.

This ImageSampler samples voxels that lie on a regular grid. The grid can be specified by an integer downsampling factor for each dimension.

Parameters:
SampleGridSpacing: This parameter controls the spacing of the uniform grid in all dimensions. This should be given in index coordinates.
example: (SampleGridSpacing 4 4 4)
Default is 2 in each dimension.

Definition at line 42 of file itkImageGridSampler.h.

Member Typedef Documentation

template<class TInputImage>
typedef SmartPointer<const Self> itk::ImageGridSampler< TInputImage >::ConstPointer

Definition at line 51 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::DataObjectPointer itk::ImageGridSampler< TInputImage >::DataObjectPointer

Typedefs inherited from the superclass.

Definition at line 57 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::ImageSampleContainerType itk::ImageGridSampler< TInputImage >::ImageSampleContainerType

Definition at line 69 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::ImageSampleType itk::ImageGridSampler< TInputImage >::ImageSampleType

Definition at line 68 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::InputImageConstPointer itk::ImageGridSampler< TInputImage >::InputImageConstPointer

Definition at line 65 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageType::IndexType itk::ImageGridSampler< TInputImage >::InputImageIndexType

Other typdefs.

Definition at line 77 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::InputImagePixelType itk::ImageGridSampler< TInputImage >::InputImagePixelType

Definition at line 67 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::InputImagePointer itk::ImageGridSampler< TInputImage >::InputImagePointer

Definition at line 64 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageType::PointType itk::ImageGridSampler< TInputImage >::InputImagePointType

Definition at line 78 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::InputImageRegionType itk::ImageGridSampler< TInputImage >::InputImageRegionType

Definition at line 66 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageType::SizeType itk::ImageGridSampler< TInputImage >::InputImageSizeType

Definition at line 85 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::InputImageType itk::ImageGridSampler< TInputImage >::InputImageType

Definition at line 63 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::MaskType itk::ImageGridSampler< TInputImage >::MaskType

Definition at line 70 of file itkImageGridSampler.h.

Definition at line 62 of file itkImageGridSampler.h.

template<class TInputImage>
typedef Superclass::OutputVectorContainerType itk::ImageGridSampler< TInputImage >::OutputVectorContainerType

Definition at line 61 of file itkImageGridSampler.h.

template<class TInputImage>
typedef SmartPointer<Self> itk::ImageGridSampler< TInputImage >::Pointer

Definition at line 50 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageIndexType itk::ImageGridSampler< TInputImage >::SampleGridIndexType

Definition at line 84 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageType::SizeType itk::ImageGridSampler< TInputImage >::SampleGridSizeType

Definition at line 83 of file itkImageGridSampler.h.

template<class TInputImage>
typedef InputImageType::OffsetType itk::ImageGridSampler< TInputImage >::SampleGridSpacingType

Typedefs for support of user defined grid spacing for the spatial samples.

Definition at line 81 of file itkImageGridSampler.h.

template<class TInputImage>
typedef SampleGridSpacingType::OffsetValueType itk::ImageGridSampler< TInputImage >::SampleGridSpacingValueType

Definition at line 82 of file itkImageGridSampler.h.

template<class TInputImage>
typedef ImageGridSampler itk::ImageGridSampler< TInputImage >::Self

Standard ITK-stuff.

Definition at line 48 of file itkImageGridSampler.h.

template<class TInputImage>
typedef ImageSamplerBase< TInputImage > itk::ImageGridSampler< TInputImage >::Superclass

Definition at line 49 of file itkImageGridSampler.h.

Constructor & Destructor Documentation

template<class TInputImage>
itk::ImageGridSampler< TInputImage >::ImageGridSampler ( )
inlineprotected

The constructor.

Definition at line 137 of file itkImageGridSampler.h.

template<class TInputImage>
virtual itk::ImageGridSampler< TInputImage >::~ImageGridSampler ( )
inlineprotectedvirtual

The destructor.

Definition at line 143 of file itkImageGridSampler.h.

template<class TInputImage>
itk::ImageGridSampler< TInputImage >::ImageGridSampler ( const Self )
private

The private constructor.

Member Function Documentation

template<class TInputImage>
virtual void itk::ImageGridSampler< TInputImage >::GenerateData ( void  )
protectedvirtual

Function that does the work.

template<class TInputImage>
virtual const char* itk::ImageGridSampler< TInputImage >::GetClassName ( ) const
virtual

Run-time type information (and related methods).

Reimplemented from itk::ImageSamplerBase< TInputImage >.

Reimplemented in elastix::GridSampler< TElastix >.

template<class TInputImage>
virtual SampleGridSpacingType itk::ImageGridSampler< TInputImage >::GetSampleGridSpacing ( ) const
virtual
template<class TInputImage>
itk::ImageGridSampler< TInputImage >::itkStaticConstMacro ( InputImageDimension  ,
unsigned  int,
Superclass::InputImageDimension   
)

The input image dimension.

template<class TInputImage>
static Pointer itk::ImageGridSampler< TInputImage >::New ( )
static

Method for creation through the object factory.

Reimplemented from itk::ImageSamplerBase< TInputImage >.

Reimplemented in elastix::GridSampler< TElastix >.

template<class TInputImage>
void itk::ImageGridSampler< TInputImage >::operator= ( const Self )
private

The private copy constructor.

template<class TInputImage>
void itk::ImageGridSampler< TInputImage >::PrintSelf ( std::ostream &  os,
Indent  indent 
) const
protected

PrintSelf.

Reimplemented from itk::ImageSamplerBase< TInputImage >.

template<class TInputImage>
virtual bool itk::ImageGridSampler< TInputImage >::SelectingNewSamplesOnUpdateSupported ( void  ) const
inlinevirtual

Returns whether the sampler supports SelectNewSamplesOnUpdate()

Reimplemented from itk::ImageSamplerBase< TInputImage >.

Definition at line 129 of file itkImageGridSampler.h.

template<class TInputImage>
virtual bool itk::ImageGridSampler< TInputImage >::SelectNewSamplesOnUpdate ( void  )
inlinevirtual

Selecting new samples makes no sense if nothing changed. The same samples would be selected anyway.

Reimplemented from itk::ImageSamplerBase< TInputImage >.

Definition at line 123 of file itkImageGridSampler.h.

template<class TInputImage>
virtual void itk::ImageGridSampler< TInputImage >::SetNumberOfSamples ( unsigned long  nrofsamples)
virtual

Define an isotropic SampleGridSpacing such that the desired number of samples is approximately realised. The following formula is used:

spacing = max[ 1, round( (availablevoxels/nrofsamples)^(1/dimension) ) ], with availablevoxels = nr of voxels in input image region.

The InputImageRegion needs to be specified beforehand. A mask is ignored, so the realised number of samples could be significantly lower than expected. However, the sample grid spacing is recomputed in the update phase, when the bounding box of the mask is known. Supplying nrofsamples=0 turns off the (re)computation of the SampleGridSpacing. Once nrofsamples=0 has been given, the last computed SampleGridSpacing is simply considered as a user parameter, which is not modified automatically anymore.

This function overrules any previous calls to SetSampleGridSpacing.

template<class TInputImage>
void itk::ImageGridSampler< TInputImage >::SetSampleGridSpacing ( SampleGridSpacingType  arg)
inline

Set/Get the sample grid spacing for each dimension (only integer factors) This function overrules previous calls to SetNumberOfSamples. Moreover, it calls SetNumberOfSamples(0) (see below), to make sure that the user-set sample grid spacing is never overruled.

Definition at line 91 of file itkImageGridSampler.h.

Field Documentation

template<class TInputImage>
unsigned long itk::ImageGridSampler< TInputImage >::m_RequestedNumberOfSamples
protected

The number of samples entered in the SetNumberOfSamples method

Definition at line 155 of file itkImageGridSampler.h.

template<class TInputImage>
SampleGridSpacingType itk::ImageGridSampler< TInputImage >::m_SampleGridSpacing
protected

An array of integer spacing factors

Definition at line 152 of file itkImageGridSampler.h.



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