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dox/Graphics/vtkThresholdPoints.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkThresholdPoints.h,v $ 00005 Language: C++ 00006 00007 Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 00008 All rights reserved. 00009 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00010 00011 This software is distributed WITHOUT ANY WARRANTY; without even 00012 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00013 PURPOSE. See the above copyright notice for more information. 00014 00015 =========================================================================*/ 00036 #ifndef __vtkThresholdPoints_h 00037 #define __vtkThresholdPoints_h 00038 00039 #include "vtkDataSetToPolyDataFilter.h" 00040 00041 class VTK_GRAPHICS_EXPORT vtkThresholdPoints : public vtkDataSetToPolyDataFilter 00042 { 00043 public: 00044 static vtkThresholdPoints *New(); 00045 vtkTypeRevisionMacro(vtkThresholdPoints,vtkDataSetToPolyDataFilter); 00046 void PrintSelf(ostream& os, vtkIndent indent); 00047 00049 void ThresholdByLower(float lower); 00050 00052 void ThresholdByUpper(float upper); 00053 00056 void ThresholdBetween(float lower, float upper); 00057 00059 00060 vtkGetMacro(UpperThreshold,float); 00061 vtkGetMacro(LowerThreshold,float); 00063 00064 protected: 00065 vtkThresholdPoints(); 00066 ~vtkThresholdPoints() {}; 00067 00068 // Usual data generation method 00069 void Execute(); 00070 00071 float LowerThreshold; 00072 float UpperThreshold; 00073 00074 //BTX 00075 int (vtkThresholdPoints::*ThresholdFunction)(float s); 00076 //ETX 00077 00078 int Lower(float s) {return ( s <= this->LowerThreshold ? 1 : 0 );}; 00079 int Upper(float s) {return ( s >= this->UpperThreshold ? 1 : 0 );}; 00080 int Between(float s) {return ( s >= this->LowerThreshold ? 00081 ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );}; 00082 private: 00083 vtkThresholdPoints(const vtkThresholdPoints&); // Not implemented. 00084 void operator=(const vtkThresholdPoints&); // Not implemented. 00085 }; 00086 00087 #endif