itkBloxCoreAtomPixel.h

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

Program:   Insight Segmentation & Registration Toolkit
Module:    $RCSfile: itkBloxCoreAtomPixel.h,v $
Language:  C++
Date:      $Date: 2003/09/10 14:29:02 $
Version:   $Revision: 1.21 $

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 __itkBloxCoreAtomPixel_h
#define __itkBloxCoreAtomPixel_h

#include "vnl/vnl_matrix_fixed.h"
#include "vnl/vnl_vector_fixed.h"
#include "vnl/algo/vnl_generalized_eigensystem.h"

#include "itkObject.h"
#include "itkBloxCoreAtomItem.h"
#include "itkBloxBoundaryPointItem.h"
#include "itkPoint.h"
#include "itkCovariantVector.h"
#include "itkBloxPixel.h"

namespace itk
{

template <unsigned int NDimensions>
class ITK_EXPORT BloxCoreAtomPixel : public BloxPixel< BloxCoreAtomItem<NDimensions> >
{
public:

  typedef BloxCoreAtomPixel                            Self;
  typedef BloxPixel< BloxCoreAtomItem<NDimensions> >   Superclass; 
  typedef SmartPointer<Self>                           Pointer;
  typedef SmartPointer<const Self>                     ConstPointer;

  typedef BloxCoreAtomItem<NDimensions> CoreAtomItemType;

  typedef BloxBoundaryPointItem<NDimensions> BPItemType;

  typedef Point<double, NDimensions> PositionType;

  typedef CovariantVector<double, NDimensions> GradientType;

  typedef vnl_vector_fixed<double, NDimensions> VectorType;

  typedef vnl_vector_fixed<double, NDimensions> EigenvalueType;

  typedef vnl_matrix_fixed<double, NDimensions, NDimensions> EigenvectorType;

  typedef vnl_matrix_fixed<double, NDimensions, NDimensions> MatrixType;

  double CalcMeanCoreAtomDiameter();

  bool DoCoreAtomEigenanalysis();

  void DoVotedEigenanalysis();

  double GetMeanCoreAtomDiameter() {return m_MeanCoreAtomDiameter;}
  double GetMeanCoreAtomIntensity() {return m_MeanCoreAtomIntensity;}
  EigenvalueType GetEigenvalues() {return m_Eigenvalues;}
  EigenvalueType GetVotedEigenvalues() {return m_VotedEigenvalues;}
  EigenvectorType GetEigenvectors() {return m_Eigenvectors;}
  EigenvectorType GetVotedEigenvectors() {return m_VotedEigenvectors;}
  PositionType GetLocationSums() {return m_LocationSums;}
  double GetWeightSum() {return m_WeightSum;}

  MatrixType* GetRawCMatrixPointer() {return &m_RawCMatrix;}

  void CollectVote(MatrixType* pMatrix, double strength, double count);

  void NormalizeVotedCMatrix();

  void CalcWeightedCoreAtomLocation(double weight_factor, Self * votingPixel);

  void CalcMeanCoreAtomIntensity();

  PositionType GetVotedLocation();

  BloxCoreAtomPixel();
  ~BloxCoreAtomPixel();

private:

  double m_MeanCoreAtomDiameter;

  MatrixType m_RawCMatrix;

  EigenvalueType m_Eigenvalues;

  EigenvectorType m_Eigenvectors;

  MatrixType m_VotedCMatrix;

  EigenvalueType m_VotedEigenvalues;

  EigenvectorType m_VotedEigenvectors;

  double m_ConstituencySize;

  PositionType m_LocationSums;

  PositionType m_VotedLocation;

  double m_WeightSum;

  double m_MeanCoreAtomIntensity;
};


} // end namespace itk

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

#endif

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