ITK  5.2.0
Insight Toolkit
itkCommandIterationUpdate.h
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1 /*=========================================================================
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3  * Copyright NumFOCUS
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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7  * You may obtain a copy of the License at
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14  * See the License for the specific language governing permissions and
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17  *=========================================================================*/
18 #ifndef itkCommandIterationUpdate_h
19 #define itkCommandIterationUpdate_h
20 
21 #include "itkCommand.h"
22 #include "itkWeakPointer.h"
23 
24 namespace itk
25 {
26 
32 template <typename TOptimizer>
34 {
35 public:
36 
41 
42 
47 
48 
53 
58 
62  void
63  Execute(itk::Object * caller, const itk::EventObject & event) override
64  {
65  Execute((const itk::Object *)caller, event);
66  }
67 
68  void
69  Execute(const itk::Object *, const itk::EventObject & event) override
70  {
71  if (typeid(event) == typeid(itk::StartEvent))
72  {
73  std::cout << std::endl << "Position Value";
74  std::cout << std::endl << std::endl;
75  }
76  else if (typeid(event) == typeid(itk::IterationEvent))
77  {
78  std::cout << m_Optimizer->GetCurrentIteration() << " = ";
79  std::cout << m_Optimizer->GetValue() << " : ";
80  std::cout << m_Optimizer->GetCurrentPosition() << std::endl;
81  }
82  else if (typeid(event) == typeid(itk::EndEvent))
83  {
84  std::cout << std::endl << std::endl;
85  std::cout << "After " << m_Optimizer->GetCurrentIteration();
86  std::cout << " iterations " << std::endl;
87  std::cout << "Solution is = " << m_Optimizer->GetCurrentPosition();
88  std::cout << std::endl;
89  std::cout << "With value = " << m_Optimizer->GetValue();
90  std::cout << std::endl;
91  std::cout << "Stop condition = " << m_Optimizer->GetStopCondition();
92  std::cout << std::endl;
93  }
94  }
95 
96 
100  itkTypeMacro(CommandIterationUpdate, ::itk::Command);
101 
102 
106  itkNewMacro(Self);
107 
108 
112  using OptimizerType = TOptimizer;
113 
114 
118  void
120  {
121  m_Optimizer = optimizer;
122  m_Optimizer->AddObserver(itk::IterationEvent(), this);
123  }
125 
126 protected:
130  CommandIterationUpdate() = default;
131 
132 private:
137 };
138 
139 } // end namespace itk
140 
141 #endif
itk::CommandIterationUpdate::m_Optimizer
WeakPointer< OptimizerType > m_Optimizer
Definition: itkCommandIterationUpdate.h:136
itkWeakPointer.h
itk::CommandIterationUpdate::Execute
void Execute(itk::Object *caller, const itk::EventObject &event) override
Definition: itkCommandIterationUpdate.h:63
itk::SmartPointer< Self >
itk::CommandIterationUpdate::CommandIterationUpdate
CommandIterationUpdate()=default
itk::Command
Superclass for callback/observer methods.
Definition: itkCommand.h:44
itk::Command
class ITK_FORWARD_EXPORT Command
Definition: itkObject.h:41
itk::CommandIterationUpdate
Definition: itkCommandIterationUpdate.h:33
itk::WeakPointer< OptimizerType >
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::Object
Base class for most ITK classes.
Definition: itkObject.h:60
itk::EventObject
Abstraction of the Events used to communicating among filters and with GUIs.
Definition: itkEventObject.h:57
itk::CommandIterationUpdate::Execute
void Execute(const itk::Object *, const itk::EventObject &event) override
Definition: itkCommandIterationUpdate.h:69
itk::CommandIterationUpdate::Self
CommandIterationUpdate Self
Definition: itkCommandIterationUpdate.h:40
itkCommand.h
itk::CommandIterationUpdate::OptimizerType
TOptimizer OptimizerType
Definition: itkCommandIterationUpdate.h:112
itk::CommandIterationUpdate::SetOptimizer
void SetOptimizer(OptimizerType *optimizer)
Definition: itkCommandIterationUpdate.h:119