itkBloxBoundaryPointToCoreAtomImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBloxBoundaryPointToCoreAtomImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:45 $
  Version:   $Revision: 1.9 $

  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 __itkBloxBoundaryPointToCoreAtomImageFilter_h
#define __itkBloxBoundaryPointToCoreAtomImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkPoint.h"
#include "itkVector.h"
#include "itkCovariantVector.h"
#include "itkBloxBoundaryPointItem.h"
#include "itkBloxBoundaryPointPixel.h"
#include "itkBloxBoundaryPointImage.h"
#include "itkBloxCoreAtomItem.h"
#include "itkBloxCoreAtomPixel.h"
#include "itkBloxCoreAtomImage.h"

namespace itk
{

template<unsigned int dim>
class ITK_EXPORT BloxBoundaryPointToCoreAtomImageFilter :
    public ImageToImageFilter< BloxBoundaryPointImage<dim>,
                               BloxCoreAtomImage<dim> >
{
public:
  typedef BloxBoundaryPointToCoreAtomImageFilter Self;
  typedef ImageToImageFilter<BloxBoundaryPointImage<dim>,
                             BloxCoreAtomImage<dim> > Superclass;
  typedef SmartPointer<Self>        Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro( BloxBoundaryPointToCoreAtomImageFilter, ImageToImageFilter );

  itkStaticConstMacro(NDimensions, unsigned int, dim);

  typedef BloxBoundaryPointImage<dim>             TInputImage;
  typedef BloxBoundaryPointImage<dim>             InputImageType;
  typedef BloxCoreAtomImage<dim>                  TOutputImage;
  typedef BloxCoreAtomImage<dim>                  OutputImageType;
  typedef typename OutputImageType::Pointer       OutputImagePointer;
  typedef typename InputImageType::Pointer        InputImagePointer;
  typedef typename InputImageType::ConstPointer   InputImageConstPointer;

  typedef Size<dim> SizeType;

  typedef typename TOutputImage::IndexType IndexType;

  typedef typename TOutputImage::PixelType PixelType;

  typedef typename TOutputImage::RegionType OutputImageRegionType;

  typedef Point<double, dim> PositionType;

  typedef typename PositionType::VectorType VectorType;

  typedef CovariantVector<double, dim> GradientType;

  void FindCoreAtoms();

  void FindCoreAtomsAtBoundaryPoint(BloxBoundaryPointItem<dim>* pItem);

  itkSetMacro(DistanceMin, double);
  itkSetMacro(DistanceMax, double);
  itkSetMacro(Epsilon, double);
  itkSetMacro(Polarity, bool);

  void GenerateInputRequestedRegion();

protected:
  BloxBoundaryPointToCoreAtomImageFilter();
  virtual ~BloxBoundaryPointToCoreAtomImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  void GenerateData();

private:
  BloxBoundaryPointToCoreAtomImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  InputImageConstPointer  m_InputPtr;
  OutputImagePointer      m_OutputPtr;
  
  double m_DistanceMin;
  double m_DistanceMax;
  double m_Epsilon;
  bool m_Polarity;

  float m_InverseNumberOfBoundaryPoints;
  unsigned long m_CurrentBoundaryPoint;
  unsigned long m_BoundaryPointsPerUpdate;
  unsigned long m_BoundaryPointsBeforeUpdate;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBloxBoundaryPointToCoreAtomImageFilter.txx"
#endif

#endif

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