itkWeightedSumFeatureAggregator.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    itkWeightedSumFeatureAggregator.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef itkWeightedSumFeatureAggregator_h
#define itkWeightedSumFeatureAggregator_h

#include "itkFeatureAggregator.h"

namespace itk
{

template <unsigned int NDimension>
class ITK_TEMPLATE_EXPORT WeightedSumFeatureAggregator : public FeatureAggregator<NDimension>
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(WeightedSumFeatureAggregator);

  using Self = WeightedSumFeatureAggregator;
  using Superclass = FeatureAggregator<NDimension>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkTypeMacro(WeightedSumFeatureAggregator, FeatureAggregator);

  static constexpr unsigned int Dimension = NDimension;

  void virtual AddWeight( double weight );

  using OutputPixelType = typename Superclass::OutputPixelType;
  using OutputImageType = typename Superclass::OutputImageType;
  using OutputImageSpatialObjectType = typename Superclass::OutputImageSpatialObjectType;

protected:
  WeightedSumFeatureAggregator();
  ~WeightedSumFeatureAggregator() override;
  void PrintSelf(std::ostream& os, Indent indent) const override;

private:
  void ConsolidateFeatures() override;

  using WeightsArrayType = std::vector< double >;

  WeightsArrayType                  m_Weights;

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
# include "itkWeightedSumFeatureAggregator.hxx"
#endif

#endif