ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkCommandVnlIterationUpdate.h
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18 #ifndef __itkCommandVnlIterationUpdate_h
19 #define __itkCommandVnlIterationUpdate_h
20 
21 #include "itkCommand.h"
22 #include "itkWeakPointer.h"
23 
24 namespace itk {
25 
31 template < class TOptimizer >
32 class ITK_EXPORT CommandVnlIterationUpdate : public Command
33 {
34 public:
35 
40 
41 
46 
47 
52 
57 
61  void Execute(itk::Object *caller, const itk::EventObject & event)
62  {
63  Execute( (const itk::Object *)caller, event);
64  }
65 
66  void Execute(const itk::Object * itkNotUsed(caller), const itk::EventObject & event)
67  {
68  if( typeid( event ) == typeid( itk::StartEvent ) )
69  {
70  std::cout << std::endl << "Position Value";
71  std::cout << std::endl << std::endl;
72  }
73  else if( itk::IterationEvent().CheckEvent( &event ) )
74  {
75  std::cout << m_Optimizer->GetCurrentIteration() << " = ";
76  std::cout << m_Optimizer->GetCurrentPosition() << std::endl;
77  }
78  else if( typeid( event ) == typeid( itk::EndEvent ) )
79  {
80  std::cout << std::endl << std::endl;
81  std::cout << "After " << m_Optimizer->GetCurrentIteration();
82  std::cout << " iterations " << std::endl;
83  std::cout << "Solution is = " << m_Optimizer->GetCurrentPosition();
84  std::cout << std::endl;
85  std::cout << "vnl report = " << std::endl;
86  m_Optimizer->GetOptimizer()->diagnose_outcome( std::cout );
87  }
88 
89  }
90 
91 
95  itkTypeMacro( CommandVnlIterationUpdate, ::itk::Command );
96 
97 
101  itkNewMacro( Self );
102 
103 
107  typedef TOptimizer OptimizerType;
108 
109 
113  void SetOptimizer( OptimizerType * optimizer )
114  {
115  m_Optimizer = optimizer;
116  m_Optimizer->AddObserver( itk::IterationEvent(), this );
117  }
119 
120 protected:
121 
126 
127 private:
128 
132  WeakPointer<OptimizerType> m_Optimizer;
133 };
134 
135 
136 } // end namespace itk
137 
138 
139 #endif
140