itkWeightedCentroidKdTreeGenerator.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 __itkWeightedCentroidKdTreeGenerator_h
#define __itkWeightedCentroidKdTreeGenerator_h

#include <vector>

#include "itkSubsample.h"
#include "itkKdTreeGenerator.h"

namespace itk
{
namespace Statistics
{
template< typename TSample >
class WeightedCentroidKdTreeGenerator:
  public KdTreeGenerator< TSample >
{
public:
  typedef WeightedCentroidKdTreeGenerator Self;
  typedef KdTreeGenerator< TSample >      Superclass;
  typedef SmartPointer< Self >            Pointer;
  typedef SmartPointer< const Self >      ConstPointer;

  itkTypeMacro(WeightedCentroidKdTreeGenerator, KdTreeGenerator);

  itkNewMacro(Self);

  typedef typename Superclass::MeasurementVectorType MeasurementVectorType;
  typedef typename Superclass::MeasurementType       MeasurementType;
  typedef typename Superclass::SubsampleType         SubsampleType;
  typedef typename Superclass::SubsamplePointer      SubsamplePointer;
  typedef typename Superclass::KdTreeType            KdTreeType;
  typedef typename Superclass::KdTreeNodeType        KdTreeNodeType;

protected:
  WeightedCentroidKdTreeGenerator();

  virtual ~WeightedCentroidKdTreeGenerator() {}

  void PrintSelf(std::ostream & os, Indent indent) const;

  virtual KdTreeNodeType * GenerateNonterminalNode(unsigned int beginIndex,
                                                   unsigned int endIndex,
                                                   MeasurementVectorType
                                                   & lowerBound,
                                                   MeasurementVectorType
                                                   & upperBound,
                                                   unsigned int level);

private:
  WeightedCentroidKdTreeGenerator(const Self &); //purposely not implemented
  void operator=(const Self &);                  //purposely not implemented

  MeasurementVectorType m_TempLowerBound;
  MeasurementVectorType m_TempUpperBound;
  MeasurementVectorType m_TempMean;
};  // end of class
} // end of namespace Statistics
} // end of namespace itk

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

#endif