/usr/include/vtk-6.3/vtkXMLPImageDataReader.h is in libvtk6-dev 6.3.0+dfsg1-5.
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 70 71 72 73 74 75 76 | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkXMLPImageDataReader.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 vtkXMLPImageDataReader - Read PVTK XML ImageData files.
// .SECTION Description
// vtkXMLPImageDataReader reads the PVTK XML ImageData file format.
// This reads the parallel format's summary file and then uses
// vtkXMLImageDataReader to read data from the individual ImageData
// piece files.  Streaming is supported.  The standard extension for
// this reader's file format is "pvti".
// .SECTION See Also
// vtkXMLImageDataReader
#ifndef vtkXMLPImageDataReader_h
#define vtkXMLPImageDataReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPStructuredDataReader.h"
class vtkImageData;
class VTKIOXML_EXPORT vtkXMLPImageDataReader : public vtkXMLPStructuredDataReader
{
public:
  vtkTypeMacro(vtkXMLPImageDataReader,vtkXMLPStructuredDataReader);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkXMLPImageDataReader *New();
  // Description:
  // Get the reader's output.
  vtkImageData *GetOutput();
  vtkImageData *GetOutput(int idx);
  // For the specified port, copy the information this reader sets up in
  // SetupOutputInformation to outInfo
  virtual void CopyOutputInformation(vtkInformation *outInfo, int port);
protected:
  vtkXMLPImageDataReader();
  ~vtkXMLPImageDataReader();
  double Origin[3];
  double Spacing[3];
  vtkImageData* GetPieceInput(int index);
  void SetupEmptyOutput();
  const char* GetDataSetName();
  void SetOutputExtent(int* extent);
  void GetPieceInputExtent(int index, int* extent);
  int ReadPrimaryElement(vtkXMLDataElement* ePrimary);
  // Setup the output's information.
  void SetupOutputInformation(vtkInformation *outInfo);
  vtkXMLDataReader* CreatePieceReader();
  virtual int FillOutputPortInformation(int, vtkInformation*);
private:
  vtkXMLPImageDataReader(const vtkXMLPImageDataReader&);  // Not implemented.
  void operator=(const vtkXMLPImageDataReader&);  // Not implemented.
};
#endif
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