itkNormalVectorFunctionBase.h

Go to the documentation of this file.

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNormalVectorFunctionBase.h,v $
  Language:  C++
  Date:      $Date: 2008-10-16 19:33:45 $
  Version:   $Revision: 1.6 $

  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 __itkNormalVectorFunctionBase_h
#define __itkNormalVectorFunctionBase_h

#include "itkFiniteDifferenceSparseImageFunction.h"

namespace itk {

template <class TSparseImageType>
class ITK_EXPORT NormalVectorFunctionBase
  :public FiniteDifferenceSparseImageFunction<TSparseImageType>
{
public:
  typedef NormalVectorFunctionBase                              Self;
  typedef FiniteDifferenceSparseImageFunction<TSparseImageType> Superclass;
  typedef SmartPointer<Self>                                    Pointer;
  typedef SmartPointer<const Self>                              ConstPointer;

  itkTypeMacro( NormalVectorFunctionBase, FiniteDifferenceSparseImageFunction );

  itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);

  typedef typename Superclass::TimeStepType     TimeStepType;
  typedef typename Superclass::RadiusType       RadiusType;
  typedef typename Superclass::NeighborhoodType NeighborhoodType;
  typedef typename Superclass::FloatOffsetType  FloatOffsetType;
  typedef typename Superclass::IndexType        IndexType;
  typedef typename Superclass::SparseImageType  SparseImageType;

  typedef typename SparseImageType::NodeType NodeType;

  typedef typename NodeType::NodeValueType NodeValueType;

  typedef typename NodeType::NodeDataType NormalVectorType;

  virtual void *GetGlobalDataPointer() const {return 0;}
  virtual void ReleaseGlobalDataPointer( void* ) const {};

  virtual TimeStepType ComputeGlobalTimeStep( void* ) const
  { return m_TimeStep; }

  void SetTimeStep( const TimeStepType &ts )
    { m_TimeStep = ts; }

  TimeStepType GetTimeStep() const
    { return m_TimeStep; } 

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

private:
  TimeStepType m_TimeStep;

  NormalVectorFunctionBase(const Self&); //purposely not implemented
  void operator=(const Self&);           //purposely not implemented
};

} // end namespace itk

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

#endif