/usr/include/vtk-7.1/vtkPointSetCellIterator.h is in libvtk7-dev 7.1.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkPointSetCellIterator.h
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
/**
 * @class   vtkPointSetCellIterator
 * @brief   Implementation of vtkCellIterator using
 * vtkPointSet API.
*/
#ifndef vtkPointSetCellIterator_h
#define vtkPointSetCellIterator_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkCellIterator.h"
#include "vtkSmartPointer.h" // For vtkSmartPointer
class vtkPoints;
class vtkPointSet;
class VTKCOMMONDATAMODEL_EXPORT vtkPointSetCellIterator: public vtkCellIterator
{
public:
  static vtkPointSetCellIterator *New();
  vtkTypeMacro(vtkPointSetCellIterator, vtkCellIterator)
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
  bool IsDoneWithTraversal() VTK_OVERRIDE;
  vtkIdType GetCellId() VTK_OVERRIDE;
protected:
  vtkPointSetCellIterator();
  ~vtkPointSetCellIterator() VTK_OVERRIDE;
  void ResetToFirstCell() VTK_OVERRIDE;
  void IncrementToNextCell() VTK_OVERRIDE;
  void FetchCellType() VTK_OVERRIDE;
  void FetchPointIds() VTK_OVERRIDE;
  void FetchPoints() VTK_OVERRIDE;
  friend class vtkPointSet;
  void SetPointSet(vtkPointSet *ds);
  vtkSmartPointer<vtkPointSet> PointSet;
  vtkSmartPointer<vtkPoints> PointSetPoints;
  vtkIdType CellId;
private:
  vtkPointSetCellIterator(const vtkPointSetCellIterator &) VTK_DELETE_FUNCTION;
  void operator=(const vtkPointSetCellIterator &) VTK_DELETE_FUNCTION;
};
#endif //vtkPointSetCellIterator_h
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