otbGeographicalDistance.h

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/*
 * Copyright (C) 2005-2024 Centre National d'Etudes Spatiales (CNES)
 *
 * 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 otbGeographicalDistance_h
#define otbGeographicalDistance_h
 
#include "itkNumericTraits.h"
#include "itkDistanceMetric.h"
 
namespace otb
{
template <class TVector>
class ITK_EXPORT GeographicalDistance : public itk::Statistics::DistanceMetric<TVector>
{
public:
 
  typedef GeographicalDistance                     Self;
  typedef itk::Statistics::DistanceMetric<TVector> Superclass;
  typedef itk::SmartPointer<Self>                  Pointer;
  typedef itk::SmartPointer<const Self>            ConstPointer;
 
  itkTypeMacro(GeographicalDistance, itk::Statistics::DistanceMetric);
 
  itkNewMacro(Self);
 
  typedef TVector VectorType;
 
  double Evaluate(const VectorType& x) const override;
 
  /* Gets the distance between x and y points */
  double Evaluate(const VectorType& x, const VectorType& y) const override;
 
  itkSetMacro(EarthRadius, double);
 
  itkGetMacro(EarthRadius, double);
 
protected:
  GeographicalDistance();
 
  ~GeographicalDistance() override
  {
  }
 
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
private:
  GeographicalDistance(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  double m_EarthRadius;
};
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbGeographicalDistance.hxx"
#endif
 
#endif