vtkThresholdPoints.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkThresholdPoints.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.
 
=========================================================================*/
#ifndef vtkThresholdPoints_h
#define vtkThresholdPoints_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class VTKFILTERSCORE_EXPORT vtkThresholdPoints : public vtkPolyDataAlgorithm
{
public:
  static vtkThresholdPoints *New();
  vtkTypeMacro(vtkThresholdPoints,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void ThresholdByLower(double lower);
 
  void ThresholdByUpper(double upper);
 
  void ThresholdBetween(double lower, double upper);
 
 
  vtkSetMacro(UpperThreshold,double);
  vtkGetMacro(UpperThreshold,double);
 
 
  vtkSetMacro(LowerThreshold,double);
  vtkGetMacro(LowerThreshold,double);
 
 
  vtkSetMacro(OutputPointsPrecision,int);
  vtkGetMacro(OutputPointsPrecision,int);
 
protected:
  vtkThresholdPoints();
  ~vtkThresholdPoints() {}
 
  // Usual data generation method
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
  virtual int FillInputPortInformation(int port, vtkInformation *info);
 
  double LowerThreshold;
  double UpperThreshold;
  int OutputPointsPrecision;
 
  //BTX
  int (vtkThresholdPoints::*ThresholdFunction)(double s);
  //ETX
 
  int Lower(double s) {return ( s <= this->LowerThreshold ? 1 : 0 );};
  int Upper(double s) {return ( s >= this->UpperThreshold ? 1 : 0 );};
  int Between(double s) {return ( s >= this->LowerThreshold ?
                               ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );};
private:
  vtkThresholdPoints(const vtkThresholdPoints&);  // Not implemented.
  void operator=(const vtkThresholdPoints&);  // Not implemented.
};
 
#endif