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itkConstantBoundaryCondition.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkConstantBoundaryCondition.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/12/12 20:38:17 $
00007   Version:   $Revision: 1.13 $
00008 
00009   Copyright (c) 2002 Insight Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkConstantBoundaryCondition_h
00018 #define __itkConstantBoundaryCondition_h
00019 #include "itkNeighborhood.h"
00020 #include "itkNumericTraits.h"
00021 #include "itkImageBoundaryCondition.h"
00022 
00023 namespace itk
00024 {
00025 
00056 template<class TImage>
00057 class ConstantBoundaryCondition
00058   : public ImageBoundaryCondition<TImage>
00059 {
00060 public:
00062   typedef ConstantBoundaryCondition Self;
00063   typedef ImageBoundaryCondition<TImage> Superclass;
00064   
00066   typedef typename Superclass::PixelType PixelType;
00067   typedef typename Superclass::PixelPointerType PixelPointerType;
00068   typedef typename Superclass::IndexType IndexType;
00069   typedef typename Superclass::OffsetType OffsetType;
00070   typedef typename Superclass::NeighborhoodType NeighborhoodType;
00071     
00073   itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);
00074 
00076   ConstantBoundaryCondition()
00077     { m_Constant = NumericTraits<PixelType>::Zero; }
00078 
00081   virtual PixelType operator()(const OffsetType&,
00082                                const OffsetType&,
00083                                const NeighborhoodType *) const
00084     { return m_Constant; }
00085 
00087   void SetConstant(const PixelType &c)
00088     {  m_Constant = c; }
00089 
00091   const PixelType &GetConstant() const
00092     {  return m_Constant;  }
00093   
00094 private:
00095   ConstantBoundaryCondition(const Self&); //purposely not implemented
00096   void operator=(const Self&); //purposely not implemented
00097 
00098   PixelType m_Constant;
00099 };
00100 
00101 } // end namespace itk
00102 
00103 #endif

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