otbLabelMapToSampleListFilter.h

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/*
 * Copyright (C) 2005-2022 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 otbLabelMapToSampleListFilter_h
#define otbLabelMapToSampleListFilter_h
 
#include <algorithm>
 
#include "itkProcessObject.h"
#include "otbAttributesMapLabelObject.h"
 
namespace otb
{
template <class TInputLabelMap, class TOutputSampleList,
          class TMeasurementFunctor =
              Functor::AttributesMapMeasurementFunctor<typename TInputLabelMap::LabelObjectType, typename TOutputSampleList::MeasurementVectorType>>
class ITK_EXPORT LabelMapToSampleListFilter : public itk::ProcessObject
{
public:
  typedef LabelMapToSampleListFilter    Self;
  typedef itk::ProcessObject            Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(LabelMapToSampleListFilter, ProcessObject);
 
  typedef TInputLabelMap                              InputLabelMapType;
  typedef typename InputLabelMapType::ConstPointer    InputLabelMapConstPointerType;
  typedef typename InputLabelMapType::LabelObjectType LabelObjectType;
 
  typedef typename InputLabelMapType::ConstIterator ConstIteratorType;
 
  typedef TOutputSampleList                                    OutputSampleListType;
  typedef typename OutputSampleListType::Pointer               OutputSampleListPointerType;
  typedef typename OutputSampleListType::MeasurementVectorType MeasurementVectorType;
 
  typedef TMeasurementFunctor MeasurementFunctorType;
 
  typedef typename Superclass::DataObjectPointer             DataObjectPointerType;
  typedef itk::ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
 
  void SetInputLabelMap(const InputLabelMapType* inputLabelMap);
  const InputLabelMapType* GetInputLabelMap() const;
 
  const OutputSampleListType* GetOutputSampleList();
 
  void SetMeasurementFunctor(const MeasurementFunctorType& functor)
  {
    m_MeasurementFunctor = functor;
  }
 
  MeasurementFunctorType& GetMeasurementFunctor()
  {
    return m_MeasurementFunctor;
  }
 
protected:
  LabelMapToSampleListFilter();
  ~LabelMapToSampleListFilter() override;
 
  void GenerateData() override;
 
  DataObjectPointerType MakeOutput(DataObjectPointerArraySizeType idx) override;
  using Superclass::MakeOutput;
 
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
 
private:
  LabelMapToSampleListFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  MeasurementFunctorType m_MeasurementFunctor;
};
 
} // end namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbLabelMapToSampleListFilter.hxx"
#endif
 
#endif