VTK
vtkThresholdPoints.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkThresholdPoints.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
28 #ifndef vtkThresholdPoints_h
29 #define vtkThresholdPoints_h
30 
31 #include "vtkFiltersCoreModule.h" // For export macro
32 #include "vtkPolyDataAlgorithm.h"
33 
34 class VTKFILTERSCORE_EXPORT vtkThresholdPoints : public vtkPolyDataAlgorithm
35 {
36 public:
37  static vtkThresholdPoints *New();
39  void PrintSelf(ostream& os, vtkIndent indent) override;
40 
44  void ThresholdByLower(double lower);
45 
49  void ThresholdByUpper(double upper);
50 
55  void ThresholdBetween(double lower, double upper);
56 
58 
61  vtkSetMacro(UpperThreshold,double);
62  vtkGetMacro(UpperThreshold,double);
64 
66 
69  vtkSetMacro(LowerThreshold,double);
70  vtkGetMacro(LowerThreshold,double);
72 
74 
79  vtkSetMacro(OutputPointsPrecision,int);
80  vtkGetMacro(OutputPointsPrecision,int);
82 
83 protected:
85  ~vtkThresholdPoints() override {}
86 
87  // Usual data generation method
89 
91 
95 
96  int (vtkThresholdPoints::*ThresholdFunction)(double s);
97 
98  int Lower(double s) {return ( s <= this->LowerThreshold ? 1 : 0 );};
99  int Upper(double s) {return ( s >= this->UpperThreshold ? 1 : 0 );};
100  int Between(double s) {return ( s >= this->LowerThreshold ?
101  ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );};
102 private:
103  vtkThresholdPoints(const vtkThresholdPoints&) = delete;
104  void operator=(const vtkThresholdPoints&) = delete;
105 };
106 
107 #endif
Store vtkAlgorithm input/output information.
virtual int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector)
This is called by the superclass.
static vtkPolyDataAlgorithm * New()
Superclass for algorithms that produce only polydata as output.
a simple class to control print indentation
Definition: vtkIndent.h:33
extracts points whose scalar value satisfies threshold criterion
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
Store zero or more vtkInformation instances.
~vtkThresholdPoints() override
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.