ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkFiniteDifferenceSparseImageFunction.h
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3  * Copyright Insight Software Consortium
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5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
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11  * Unless required by applicable law or agreed to in writing, software
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14  * See the License for the specific language governing permissions and
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16  *
17  *=========================================================================*/
18 #ifndef __itkFiniteDifferenceSparseImageFunction_h
19 #define __itkFiniteDifferenceSparseImageFunction_h
20 
22 
23 namespace itk
24 {
46 template< class TSparseImageType >
48  public FiniteDifferenceFunction< TSparseImageType >
49 {
50 public:
51 
57 
60 
62  itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);
63 
65  typedef typename Superclass::PixelType PixelType;
66  typedef typename Superclass::TimeStepType TimeStepType;
70  typedef typename Superclass::ImageType SparseImageType;
71 
73  typedef typename SparseImageType::IndexType IndexType;
74 
76  typedef typename SparseImageType::NodeType NodeType;
77 
79  typedef typename NodeType::NodeDataType NodeDataType;
80 
85  virtual PixelType ComputeUpdate(const NeighborhoodType &,
86  void *,
87  const FloatOffsetType &)
88  {
89  return static_cast< PixelType >( 0 );
90  }
91 
94  virtual NodeDataType
95  ComputeSparseUpdate( NeighborhoodType & neighborhood,
96  void *globalData,
97  const FloatOffsetType & offset = FloatOffsetType(0.0) )
98  const = 0;
99 
109  virtual void PrecomputeSparseUpdate(NeighborhoodType &) const {}
110 protected:
113  void PrintSelf(std::ostream & os, Indent indent) const;
115 
116 private:
117  FiniteDifferenceSparseImageFunction(const Self &); //purposely not implemented
118  void operator=(const Self &); //purposely not implemented
119 };
120 } // end namespace itk
121 
122 #ifndef ITK_MANUAL_INSTANTIATION
123 #include "itkFiniteDifferenceSparseImageFunction.hxx"
124 #endif
125 
126 #endif
127