otbLabelMapToVectorDataFilter.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 otbLabelMapToVectorDataFilter_h
#define otbLabelMapToVectorDataFilter_h
 
#include "otbVectorDataSource.h"
#include "itkLabelMap.h"
#include "otbLabelObjectFieldsFunctor.h"
#include "otbLabelObjectToPolygonFunctor.h"
#include "otbCorrectPolygonFunctor.h"
#include "otbDataNode.h"
 
#include <string>
#include <sstream>
 
namespace otb
{
 
template <class TLabelMap, class TVectorData, class TFieldsFunctor = Functor::LabelObjectFieldsFunctor<typename TLabelMap::LabelObjectType>>
class ITK_EXPORT LabelMapToVectorDataFilter : public VectorDataSource<TVectorData>
{
public:
  typedef LabelMapToVectorDataFilter    Self;
  typedef VectorDataSource<TVectorData> Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  typedef TLabelMap      InputLabelMapType;
  typedef TVectorData    OutputVectorDataType;
  typedef TFieldsFunctor FieldsFunctorType;
 
  typedef typename OutputVectorDataType::Pointer      OutputVectorDataPointer;
  typedef typename OutputVectorDataType::ConstPointer OutputVectorDataConstPointer;
 
  typedef typename InputLabelMapType::LabelObjectType LabelObjectType;
 
  typedef typename InputLabelMapType::ConstIterator   ConstIteratorType;
  typedef typename OutputVectorDataType::DataNodeType DataNodeType;
  typedef typename DataNodeType::Pointer              DataNodePointerType;
  typedef typename DataNodeType::PolygonType          PolygonType;
  typedef typename PolygonType::Pointer               PolygonPointerType;
 
  typedef otb::Functor::LabelObjectToPolygonFunctor<LabelObjectType, PolygonType> FunctorType;
  typedef otb::CorrectPolygonFunctor<PolygonType> CorrectFunctorType;
 
  itkNewMacro(Self);
 
  itkTypeMacro(LabelMapToVectorDataFilter, VectorDataSource);
 
  using Superclass::SetInput;
  virtual void SetInput(const InputLabelMapType* input);
  virtual void SetInput(unsigned int idx, const InputLabelMapType* input);
  const InputLabelMapType* GetInput(void);
  const InputLabelMapType* GetInput(unsigned int idx);
 
  /* Set the functor used to provide additional OGR fields */
  void SetFieldsFunctor(const FieldsFunctorType& functor)
  {
    m_FieldsFunctor = functor;
    this->Modified();
  }
 
  /* Get the functor used to provide additional OGR fields */
  FieldsFunctorType& GetFieldsFunctor()
  {
    return m_FieldsFunctor;
  }
 
protected:
  LabelMapToVectorDataFilter();
  ~LabelMapToVectorDataFilter() override
  {
  }
  void PrintSelf(std::ostream& os, itk::Indent indent) const override;
  void GenerateData() override;
 
private:
  LabelMapToVectorDataFilter(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  FieldsFunctorType m_FieldsFunctor;
}; // end of class
 
} // end namespace itk
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbLabelMapToVectorDataFilter.hxx"
#endif
 
#endif