ITK  6.0.0
Insight Toolkit
itkCommandVnlIterationUpdate.h
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1/*=========================================================================
2 *
3 * Copyright NumFOCUS
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0.txt
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *=========================================================================*/
18#ifndef itkCommandVnlIterationUpdate_h
19#define itkCommandVnlIterationUpdate_h
20
21#include "itkCommand.h"
22#include "itkWeakPointer.h"
23
24namespace itk
25{
26
32template <typename TOptimizer>
34{
35public:
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 * itkNotUsed(caller), const itk::EventObject & event) override
70 {
71 if (typeid(event) == typeid(itk::StartEvent))
72 {
73 std::cout << std::endl << "Position Value" << std::endl << std::endl;
74 }
75 else if (itk::IterationEvent().CheckEvent(&event))
76 {
77 std::cout << m_Optimizer->GetCurrentIteration() << " = " << m_Optimizer->GetCurrentPosition() << std::endl;
78 }
79 else if (typeid(event) == typeid(itk::EndEvent))
80 {
81 std::cout << std::endl
82 << std::endl
83 << "After " << m_Optimizer->GetCurrentIteration() << " iterations " << std::endl
84 << "Solution is = " << m_Optimizer->GetCurrentPosition() << std::endl
85 << "vnl report = " << std::endl;
86 m_Optimizer->GetOptimizer()->diagnose_outcome(std::cout);
87 }
88 }
89
90
94 itkOverrideGetNameOfClassMacro(CommandVnlIterationUpdate);
95
96
100 itkNewMacro(Self);
101
102
106 using OptimizerType = TOptimizer;
107
108
112 void
114 {
115 m_Optimizer = optimizer;
116 m_Optimizer->AddObserver(itk::IterationEvent(), this);
117 }
120protected:
125
126private:
131};
132
133
134} // end namespace itk
135
136
137#endif
WeakPointer< OptimizerType > m_Optimizer
void Execute(itk::Object *caller, const itk::EventObject &event) override
void Execute(const itk::Object *, const itk::EventObject &event) override
void SetOptimizer(OptimizerType *optimizer)
Superclass for callback/observer methods.
Definition: itkCommand.h:46
Abstraction of the Events used to communicating among filters and with GUIs.
Base class for most ITK classes.
Definition: itkObject.h:62
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
class ITK_FORWARD_EXPORT Command
Definition: itkObject.h:42