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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkImageToParametricSpaceFilter.h,v $
Language: C++
Date: $Date: 2006-07-22 23:37:31 $
Version: $Revision: 1.13 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkImageToParametricSpaceFilter_h
#define __itkImageToParametricSpaceFilter_h
#include "itkImageToMeshFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkImageRegionConstIteratorWithIndex.h"
namespace itk
{
/** \class ImageToParametricSpaceFilter
* \brief Generate a mesh of parametric space from input images.
*
* ImageToParametricSpaceFilter takes a three Images of equal dimension and
* size and generates from them a Mesh.
*
* The mesh contains one point for every pixel on the images. The
* coordinate of the point being equal to the gray level of the
* associated input pixels.
*
* This class is intended to produce the population of points that
* represent samples in a parametric space. In this particular case
* the parameters are the gray levels of the input images
*
* The dimension of the mesh points should be equal to the number
* of input images to this filter.
*
* \ingroup ImageFilters
*/
template <class TInputImage, class TOutputMesh>
class ITK_EXPORT ImageToParametricSpaceFilter :
public ImageToMeshFilter<TInputImage,TOutputMesh>
{
public:
/** Standard class typedefs. */
typedef ImageToParametricSpaceFilter Self;
typedef ImageToMeshFilter<TInputImage,TOutputMesh> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(ImageToParametricSpaceFilter, ImageToMeshFilter);
/** Some typedefs associated with the input images. */
typedef TInputImage InputImageType;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef ImageRegionConstIteratorWithIndex<InputImageType>
InputImageIterator;
/** Some typedefs associated with the output mesh. */
typedef TOutputMesh OutputMeshType;
typedef typename OutputMeshType::PointType PointType;
typedef typename OutputMeshType::Pointer OutputMeshPointer;
typedef typename OutputMeshType::PointsContainer PointsContainer;
typedef typename OutputMeshType::PointIdentifier PointIdentifier;
typedef typename PointsContainer::Pointer PointsContainerPointer;
typedef typename PointsContainer::Iterator PointsContainerIterator;
typedef typename OutputMeshType::PointDataContainer PointDataContainer;
typedef typename PointDataContainer::Pointer PointDataContainerPointer;
typedef typename PointDataContainer::Iterator PointDataContainerIterator;
/** The dimension of the output mesh. */
itkStaticConstMacro(PointDimension, unsigned int,
TOutputMesh::PointDimension);
/** Some typedefs associated with the output mesh. */
void GenerateData(void);
/** Prepare the output. */
void GenerateOutputInformation(void);
/** Select if the indices of input image pixels will be
* stored as data at each one of the mesh points.
* That assumes that the type of PointData in the output
* mesh is capable of accepting an itk::Index through
* an operator=(). Default value = true */
itkSetMacro( ComputeIndices, bool );
protected:
ImageToParametricSpaceFilter();
~ImageToParametricSpaceFilter();
void PrintSelf(std::ostream& os, Indent indent) const;
private:
ImageToParametricSpaceFilter(const ImageToParametricSpaceFilter&); //purposely not implemented
void operator=(const ImageToParametricSpaceFilter&); //purposely not implemented
/** This variable defines if the indices of input image pixels
* will be stored as Data at each one of the mesh points. */
bool m_ComputeIndices;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageToParametricSpaceFilter.txx"
#endif
#endif
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