itkWeightedCentroidKdTreeGenerator.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkWeightedCentroidKdTreeGenerator_h
#define itkWeightedCentroidKdTreeGenerator_h
 
#include <vector>
 
#include "itkSubsample.h"
#include "itkKdTreeGenerator.h"
 
namespace itk::Statistics
{
 
template <typename TSample>
class ITK_TEMPLATE_EXPORT WeightedCentroidKdTreeGenerator : public KdTreeGenerator<TSample>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(WeightedCentroidKdTreeGenerator);

  using Self = WeightedCentroidKdTreeGenerator;
  using Superclass = KdTreeGenerator<TSample>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(WeightedCentroidKdTreeGenerator);

  itkNewMacro(Self);

  using typename Superclass::MeasurementVectorType;
  using typename Superclass::MeasurementType;
  using typename Superclass::SubsampleType;
  using typename Superclass::SubsamplePointer;
  using typename Superclass::KdTreeType;
  using typename Superclass::KdTreeNodeType;
 
protected:
  WeightedCentroidKdTreeGenerator() = default;

  ~WeightedCentroidKdTreeGenerator() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;

  KdTreeNodeType *
  GenerateNonterminalNode(unsigned int            beginIndex,
                          unsigned int            endIndex,
                          MeasurementVectorType & lowerBound,
                          MeasurementVectorType & upperBound,
                          unsigned int            level) override;
 
private:
  MeasurementVectorType m_TempLowerBound{};
  MeasurementVectorType m_TempUpperBound{};
  MeasurementVectorType m_TempMean{};
}; // end of class
} // namespace itk::Statistics
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkWeightedCentroidKdTreeGenerator.hxx"
#endif
 
#endif