otbFlexibleDistanceWithMissingValue.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 * Copyright (C) 2007-2012 Institut Mines Telecom / Telecom Bretagne
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 * 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 otbFlexibleDistanceWithMissingValue_h
#define otbFlexibleDistanceWithMissingValue_h
 
#include "otbEuclideanDistanceMetricWithMissingValuePow2.h"
 
namespace otb
{
 
namespace Statistics
{
 
template <class TVector>
class ITK_EXPORT FlexibleDistanceWithMissingValue : public otb::Statistics::EuclideanDistanceMetricWithMissingValuePow2<TVector>
{
public:
  typedef FlexibleDistanceWithMissingValue                                      Self;
  typedef otb::Statistics::EuclideanDistanceMetricWithMissingValuePow2<TVector> Superclass;
  typedef itk::SmartPointer<Self>                                               Pointer;
  typedef itk::SmartPointer<const Self>                                         ConstPointer;
 
  typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;
 
  itkTypeMacro(FlexibleDistanceWithMissingValue, EuclideanDistanceMetricWithMissingValuePow2);
 
  itkNewMacro(Self);
 
  typedef typename TVector::ValueType ValueType;
 
  double Evaluate(const TVector& x) const override;
 
  double Evaluate(const TVector& x1, const TVector& x2) const override;
 
  double Evaluate(const ValueType& a, const ValueType& b) const;
 
  bool IsWithinRange(const TVector& x, const double radius) const
  {
    return Superclass::IsWithinRange(x, radius);
  }
 
  static double Alpha;
  static double Beta;
  static void SetAlphaBeta(double a, double b);
 
  static bool IsEuclidean();
 
protected:
  FlexibleDistanceWithMissingValue()
  {
  }
  ~FlexibleDistanceWithMissingValue() override
  {
  }
}; // end of class
 
template <class TVector>
double FlexibleDistanceWithMissingValue<TVector>::Alpha = 1.0;
 
template <class TVector>
double FlexibleDistanceWithMissingValue<TVector>::Beta = 2.0;
 
} // end namespace statistics
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbFlexibleDistanceWithMissingValue.hxx"
#endif
 
#endif