VTK
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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkThresholdPoints.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00029 #ifndef __vtkThresholdPoints_h 00030 #define __vtkThresholdPoints_h 00031 00032 #include "vtkPolyDataAlgorithm.h" 00033 00034 class VTK_GRAPHICS_EXPORT vtkThresholdPoints : public vtkPolyDataAlgorithm 00035 { 00036 public: 00037 static vtkThresholdPoints *New(); 00038 vtkTypeRevisionMacro(vtkThresholdPoints,vtkPolyDataAlgorithm); 00039 void PrintSelf(ostream& os, vtkIndent indent); 00040 00043 void ThresholdByLower(double lower); 00044 00047 void ThresholdByUpper(double upper); 00048 00051 void ThresholdBetween(double lower, double upper); 00052 00054 00055 vtkSetMacro(UpperThreshold,double); 00056 vtkGetMacro(UpperThreshold,double); 00058 00060 00061 vtkSetMacro(LowerThreshold,double); 00062 vtkGetMacro(LowerThreshold,double); 00064 00065 protected: 00066 vtkThresholdPoints(); 00067 ~vtkThresholdPoints() {}; 00068 00069 // Usual data generation method 00070 virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *); 00071 00072 virtual int FillInputPortInformation(int port, vtkInformation *info); 00073 00074 double LowerThreshold; 00075 double UpperThreshold; 00076 00077 //BTX 00078 int (vtkThresholdPoints::*ThresholdFunction)(double s); 00079 //ETX 00080 00081 int Lower(double s) {return ( s <= this->LowerThreshold ? 1 : 0 );}; 00082 int Upper(double s) {return ( s >= this->UpperThreshold ? 1 : 0 );}; 00083 int Between(double s) {return ( s >= this->LowerThreshold ? 00084 ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );}; 00085 private: 00086 vtkThresholdPoints(const vtkThresholdPoints&); // Not implemented. 00087 void operator=(const vtkThresholdPoints&); // Not implemented. 00088 }; 00089 00090 #endif