/usr/include/vtk-6.3/vtkPStreamTracer.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 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkPStreamTracer.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 vtkPStreamTracer -  parallel streamline generators
// .SECTION Description
// This class implements parallel streamline generators.
// Note that all processes must have
// access to the WHOLE seed source, i.e. the source must be identical
// on all processes.
// .SECTION See Also
// vtkStreamTracer
#ifndef vtkPStreamTracer_h
#define vtkPStreamTracer_h
#include "vtkStreamTracer.h"
#include "vtkSmartPointer.h" // This is a leaf node. No need to use PIMPL to avoid compile time penalty.
class vtkAbstractInterpolatedVelocityField;
class vtkMultiProcessController;
class PStreamTracerPoint;
class vtkOverlappingAMR;
class AbstractPStreamTracerUtils;
#include "vtkFiltersParallelFlowPathsModule.h" // For export macro
class  VTKFILTERSPARALLELFLOWPATHS_EXPORT vtkPStreamTracer : public vtkStreamTracer
{
public:
  vtkTypeMacro(vtkPStreamTracer,vtkStreamTracer);
  virtual void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // Set/Get the controller use in compositing (set to
  // the global controller by default)
  // If not using the default, this must be called before any
  // other methods.
  virtual void SetController(vtkMultiProcessController* controller);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);
  static vtkPStreamTracer * New();
protected:
  vtkPStreamTracer();
  ~vtkPStreamTracer();
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  vtkMultiProcessController* Controller;
  vtkAbstractInterpolatedVelocityField* Interpolator;
  void SetInterpolator(vtkAbstractInterpolatedVelocityField*);
  int EmptyData;
private:
  vtkPStreamTracer(const vtkPStreamTracer&);  // Not implemented.
  void operator=(const vtkPStreamTracer&);  // Not implemented.
  void Trace( vtkDataSet *input,
              int vecType,
              const char* vecName,
              PStreamTracerPoint* pt,
              vtkSmartPointer<vtkPolyData>& output,
              vtkAbstractInterpolatedVelocityField* func,
              int maxCellSize);
  bool TraceOneStep(vtkPolyData* traceOut,  vtkAbstractInterpolatedVelocityField*, PStreamTracerPoint* pt);
  void Prepend(vtkPolyData* path, vtkPolyData* headh);
  int Rank;
  int NumProcs;
  friend class AbstractPStreamTracerUtils;
  vtkSmartPointer<AbstractPStreamTracerUtils> Utils;
};
#endif
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