itkAmoebaOptimizerv4.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkAmoebaOptimizerv4_h
#define itkAmoebaOptimizerv4_h

#include "itkSingleValuedNonLinearVnlOptimizerv4.h"
#include "vnl/algo/vnl_amoeba.h"
#include "ITKOptimizersv4Export.h"

namespace itk
{
class ITKOptimizersv4_EXPORT AmoebaOptimizerv4:
  public SingleValuedNonLinearVnlOptimizerv4
{
public:
  typedef AmoebaOptimizerv4                   Self;
  typedef SingleValuedNonLinearVnlOptimizerv4 Superclass;
  typedef SmartPointer< Self >                Pointer;
  typedef SmartPointer< const Self >          ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(AmoebaOptimizerv4, SingleValuedNonLinearVnlOptimizerv4);

  typedef Superclass::ParametersType ParametersType;

  typedef   vnl_vector< double > InternalParametersType;

  virtual void StartOptimization(bool doOnlyInitialization = false) ITK_OVERRIDE;

  virtual void SetMetric(MetricType *metric) ITK_OVERRIDE;

  itkSetMacro(AutomaticInitialSimplex, bool);
  itkBooleanMacro(AutomaticInitialSimplex);
  itkGetConstMacro(AutomaticInitialSimplex, bool);

  itkSetMacro(OptimizeWithRestarts, bool);
  itkBooleanMacro(OptimizeWithRestarts);
  itkGetConstMacro(OptimizeWithRestarts, bool);

  void SetInitialSimplexDelta(ParametersType initialSimplexDelta,
                              bool automaticInitialSimplex = false);
  itkGetConstMacro(InitialSimplexDelta, ParametersType);

  itkSetMacro(ParametersConvergenceTolerance, double);
  itkGetConstMacro(ParametersConvergenceTolerance, double);

  itkSetMacro(FunctionConvergenceTolerance, double);
  itkGetConstMacro(FunctionConvergenceTolerance, double);

  virtual const std::string GetStopConditionDescription() const ITK_OVERRIDE;

  vnl_amoeba * GetOptimizer() const;

protected:
  AmoebaOptimizerv4();
  virtual ~AmoebaOptimizerv4();
  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  typedef Superclass::CostFunctionAdaptorType CostFunctionAdaptorType;

private:
  AmoebaOptimizerv4(const Self &) ITK_DELETE_FUNCTION;
  void operator=(const Self &) ITK_DELETE_FUNCTION;

  void ValidateSettings();

  ParametersType::ValueType       m_ParametersConvergenceTolerance;
  MeasureType                     m_FunctionConvergenceTolerance;
  bool                            m_AutomaticInitialSimplex;
  ParametersType                  m_InitialSimplexDelta;
  bool                            m_OptimizeWithRestarts;
  vnl_amoeba *                    m_VnlOptimizer;

  std::ostringstream              m_StopConditionDescription;
};
} // end namespace itk

#endif