/usr/include/paraview/vtkPolyDataReader.h is in paraview-dev 5.0.1+dfsg1-4.
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 64 65 66 67 68 69  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkPolyDataReader.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.
=========================================================================*/
// .NAME vtkPolyDataReader - read vtk polygonal data file
// .SECTION Description
// vtkPolyDataReader is a source object that reads ASCII or binary
// polygonal data files in vtk format (see text for format details).
// The output of this reader is a single vtkPolyData data object.
// The superclass of this class, vtkDataReader, provides many methods for
// controlling the reading of the data file, see vtkDataReader for more
// information.
// .SECTION Caveats
// Binary files written on one system may not be readable on other systems.
// .SECTION See Also
// vtkPolyData vtkDataReader
#ifndef vtkPolyDataReader_h
#define vtkPolyDataReader_h
#include "vtkIOLegacyModule.h" // For export macro
#include "vtkDataReader.h"
class vtkPolyData;
class VTKIOLEGACY_EXPORT vtkPolyDataReader : public vtkDataReader
{
public:
  static vtkPolyDataReader *New();
  vtkTypeMacro(vtkPolyDataReader,vtkDataReader);
  void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // Get the output of this reader.
  vtkPolyData *GetOutput();
  vtkPolyData *GetOutput(int idx);
  void SetOutput(vtkPolyData *output);
protected:
  vtkPolyDataReader();
  ~vtkPolyDataReader();
  int RequestData(vtkInformation *, vtkInformationVector **,
                  vtkInformationVector *);
  // Update extent of PolyData is specified in pieces.
  // Since all DataObjects should be able to set UpdateExent as pieces,
  // just copy output->UpdateExtent  all Inputs.
  int RequestUpdateExtent(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *);
  int FillOutputPortInformation(int, vtkInformation*);
private:
  vtkPolyDataReader(const vtkPolyDataReader&);  // Not implemented.
  void operator=(const vtkPolyDataReader&);  // Not implemented.
};
#endif
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