/usr/include/paraview/vtkIVWriter.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 70 71 72  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkIVWriter.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 vtkIVWriter - export polydata into OpenInventor 2.0 format.
// .SECTION Description
// vtkIVWriter is a concrete subclass of vtkWriter that writes OpenInventor 2.0
// files.
//
// .SECTION See Also
// vtkPolyDataWriter
#ifndef vtkIVWriter_h
#define vtkIVWriter_h
#include "vtkIOGeometryModule.h" // For export macro
#include "vtkWriter.h"
class vtkPolyData;
class VTKIOGEOMETRY_EXPORT vtkIVWriter : public vtkWriter
{
public:
  static vtkIVWriter *New();
  vtkTypeMacro(vtkIVWriter,vtkWriter);
  virtual void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // Get the input to this writer.
  vtkPolyData* GetInput();
  vtkPolyData* GetInput(int port);
  // Description:
  // Specify file name of vtk polygon data file to write.
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);
protected:
  vtkIVWriter()
    {
    this->FileName = NULL;
    }
  ~vtkIVWriter()
    {
    delete[] this->FileName;
    }
  void WriteData();
  void WritePolyData(vtkPolyData *polyData, FILE *fp);
  char *FileName;
  virtual int FillInputPortInformation(int port, vtkInformation *info);
private:
  vtkIVWriter(const vtkIVWriter&);  // Not implemented.
  void operator=(const vtkIVWriter&);  // Not implemented.
};
#endif
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