text: /*
   * Copyright (C) 2005-2019 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 otbPointSetExtractROI_h
  #define otbPointSetExtractROI_h
  
  #include "otbPointSetToPointSetFilter.h"
  #include "itkTransform.h"
  
  namespace otb
  {
  
  /** \class PointSetExtractROI
   * \brief Extract a part of the points specified by a region
   *
   * PointSetExtractROI extract all the points of a PointSet that are
   * in a given region.
   *
   * The additional content of the PointSet is passed untouched.
   *
   *
   * \ingroup PointSetFilters
   *
   * \ingroup OTBPointSet
   */
  template <class TInputPointSet, class TOutputPointSet>
  class ITK_EXPORT PointSetExtractROI :
    public PointSetToPointSetFilter<TInputPointSet, TOutputPointSet>
  {
  public:
    /** Standard class typedefs. */
    typedef PointSetExtractROI                                        Self;
    typedef PointSetToPointSetFilter<TInputPointSet, TOutputPointSet> Superclass;
    typedef itk::SmartPointer<Self>                                   Pointer;
    typedef itk::SmartPointer<const Self>                             ConstPointer;
  
    typedef TInputPointSet                       InputPointSetType;
    typedef TOutputPointSet                      OutputPointSetType;
    typedef typename InputPointSetType::Pointer  InputPointSetPointer;
    typedef typename OutputPointSetType::Pointer OutputPointSetPointer;
  
    /** Type for representing coordinates. */
    typedef typename TInputPointSet::CoordRepType CoordRepType;
  
    /** Method for creation through the object factory. */
    itkNewMacro(Self);
  
    /** Run-time type information (and related methods). */
    itkTypeMacro(PointSetExtractROI, PointSetToPointSetFilter);
  
    /** Set/Get Start methods */
    itkGetMacro(StartX, unsigned long);
    itkGetMacro(StartY, unsigned long);
    itkSetMacro(StartX, unsigned long);
    itkSetMacro(StartY, unsigned long);
    /** Set/Get Size methods */
    itkGetMacro(SizeX, unsigned long);
    itkGetMacro(SizeY, unsigned long);
    itkSetMacro(SizeX, unsigned long);
    itkSetMacro(SizeY, unsigned long);
  
  protected:
    PointSetExtractROI();
    ~PointSetExtractROI() override {}
    void PrintSelf(std::ostream& os, itk::Indent indent) const override;
  
    /** Generate Requested Data */
    void GenerateData(void) override;
  
  private:
    PointSetExtractROI(const PointSetExtractROI &) = delete;
    void operator =(const PointSetExtractROI&) = delete;
  
    /** X/Y coordinates of the first point of the region to extract. */
    unsigned long m_StartX;
    unsigned long m_StartY;
    /** Size in X/Y of the region to extract. */
    unsigned long m_SizeX;
    unsigned long m_SizeY;
  };
  
  } // end namespace otb
  
  #ifndef OTB_MANUAL_INSTANTIATION
  #include "otbPointSetExtractROI.hxx"
  #endif
  
  #endif
  