/usr/include/paraview/vtkImageThreshold.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 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkImageThreshold.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 vtkImageThreshold -  Flexible threshold
// .SECTION Description
// vtkImageThreshold can do binary or continuous thresholding for lower, upper
// or a range of data.  The output data type may be different than the
// output, but defaults to the same type.
#ifndef vtkImageThreshold_h
#define vtkImageThreshold_h
#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
class VTKIMAGINGCORE_EXPORT vtkImageThreshold : public vtkThreadedImageAlgorithm
{
public:
  static vtkImageThreshold *New();
  vtkTypeMacro(vtkImageThreshold,vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // The values greater than or equal to the value match.
  void ThresholdByUpper(double thresh);
  // Description:
  // The values less than or equal to the value match.
  void ThresholdByLower(double thresh);
  // Description:
  // The values in a range (inclusive) match
  void ThresholdBetween(double lower, double upper);
  // Description:
  // Determines whether to replace the pixel in range with InValue
  vtkSetMacro(ReplaceIn, int);
  vtkGetMacro(ReplaceIn, int);
  vtkBooleanMacro(ReplaceIn, int);
  // Description:
  // Replace the in range pixels with this value.
  void SetInValue(double val);
  vtkGetMacro(InValue, double);
  // Description:
  // Determines whether to replace the pixel out of range with OutValue
  vtkSetMacro(ReplaceOut, int);
  vtkGetMacro(ReplaceOut, int);
  vtkBooleanMacro(ReplaceOut, int);
  // Description:
  // Replace the in range pixels with this value.
  void SetOutValue(double val);
  vtkGetMacro(OutValue, double);
  // Description:
  // Get the Upper and Lower thresholds.
  vtkGetMacro(UpperThreshold, double);
  vtkGetMacro(LowerThreshold, double);
  // Description:
  // Set the desired output scalar type to cast to
  vtkSetMacro(OutputScalarType, int);
  vtkGetMacro(OutputScalarType, int);
  void SetOutputScalarTypeToDouble()
    {this->SetOutputScalarType(VTK_DOUBLE);}
  void SetOutputScalarTypeToFloat()
    {this->SetOutputScalarType(VTK_FLOAT);}
  void SetOutputScalarTypeToLong()
    {this->SetOutputScalarType(VTK_LONG);}
  void SetOutputScalarTypeToUnsignedLong()
    {this->SetOutputScalarType(VTK_UNSIGNED_LONG);};
  void SetOutputScalarTypeToInt()
    {this->SetOutputScalarType(VTK_INT);}
  void SetOutputScalarTypeToUnsignedInt()
    {this->SetOutputScalarType(VTK_UNSIGNED_INT);}
  void SetOutputScalarTypeToShort()
    {this->SetOutputScalarType(VTK_SHORT);}
  void SetOutputScalarTypeToUnsignedShort()
    {this->SetOutputScalarType(VTK_UNSIGNED_SHORT);}
  void SetOutputScalarTypeToChar()
    {this->SetOutputScalarType(VTK_CHAR);}
  void SetOutputScalarTypeToSignedChar()
    {this->SetOutputScalarType(VTK_SIGNED_CHAR);}
  void SetOutputScalarTypeToUnsignedChar()
    {this->SetOutputScalarType(VTK_UNSIGNED_CHAR);}
protected:
  vtkImageThreshold();
  ~vtkImageThreshold() {}
  double UpperThreshold;
  double LowerThreshold;
  int ReplaceIn;
  double InValue;
  int ReplaceOut;
  double OutValue;
  int OutputScalarType;
  virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  void ThreadedRequestData(vtkInformation *request,
                           vtkInformationVector **inputVector,
                           vtkInformationVector *outputVector,
                           vtkImageData ***inData, vtkImageData **outData,
                           int extent[6], int id);
private:
  vtkImageThreshold(const vtkImageThreshold&);  // Not implemented.
  void operator=(const vtkImageThreshold&);  // Not implemented.
};
#endif
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