vtkPointCloudFilter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkPointCloudFilter.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See LICENSE file for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkPointCloudFilter_h
#define vtkPointCloudFilter_h

#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkPointSet;
class vtkPolyData;

class VTKFILTERSPOINTS_EXPORT vtkPointCloudFilter : public vtkPolyDataAlgorithm
{
public:

  vtkTypeMacro(vtkPointCloudFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  const vtkIdType* GetPointMap();

  vtkIdType GetNumberOfPointsRemoved();


  vtkSetMacro(GenerateOutliers,bool);
  vtkGetMacro(GenerateOutliers,bool);
  vtkBooleanMacro(GenerateOutliers,bool);


  vtkSetMacro(GenerateVertices,bool);
  vtkGetMacro(GenerateVertices,bool);
  vtkBooleanMacro(GenerateVertices,bool);

protected:
  vtkPointCloudFilter();
  ~vtkPointCloudFilter() override;

  // All derived classes must implement this method. Note that a side effect of
  // the class is to populate the PointMap. Zero is returned on error.
  virtual int FilterPoints(vtkPointSet *input) = 0;

  // Keep track of which points are removed through the point map
  vtkIdType *PointMap;
  vtkIdType NumberOfPointsRemoved;

  // Does a second output need to be created?
  bool GenerateOutliers;

  // Should output vertex cells be created?
  bool GenerateVertices;

  int RequestData(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *) override;
  int FillInputPortInformation(int port, vtkInformation *info) override;

  void GenerateVerticesIfRequested(vtkPolyData *output);

private:
  vtkPointCloudFilter(const vtkPointCloudFilter&) = delete;
  void operator=(const vtkPointCloudFilter&) = delete;

};

#endif