Graphics/vtkThresholdPoints.h
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00032 #ifndef __vtkThresholdPoints_h
00033 #define __vtkThresholdPoints_h
00034
00035 #include "vtkDataSetToPolyDataFilter.h"
00036
00037 class VTK_GRAPHICS_EXPORT vtkThresholdPoints : public vtkDataSetToPolyDataFilter
00038 {
00039 public:
00040 static vtkThresholdPoints *New();
00041 vtkTypeRevisionMacro(vtkThresholdPoints,vtkDataSetToPolyDataFilter);
00042 void PrintSelf(ostream& os, vtkIndent indent);
00043
00046 void ThresholdByLower(double lower);
00047
00050 void ThresholdByUpper(double upper);
00051
00054 void ThresholdBetween(double lower, double upper);
00055
00057
00058 vtkGetMacro(UpperThreshold,double);
00059 vtkGetMacro(LowerThreshold,double);
00061
00062 protected:
00063 vtkThresholdPoints();
00064 ~vtkThresholdPoints() {};
00065
00066
00067 void Execute();
00068
00069 double LowerThreshold;
00070 double UpperThreshold;
00071
00072
00073 int (vtkThresholdPoints::*ThresholdFunction)(double s);
00074
00075
00076 int Lower(double s) {return ( s <= this->LowerThreshold ? 1 : 0 );};
00077 int Upper(double s) {return ( s >= this->UpperThreshold ? 1 : 0 );};
00078 int Between(double s) {return ( s >= this->LowerThreshold ?
00079 ( s <= this->UpperThreshold ? 1 : 0 ) : 0 );};
00080 private:
00081 vtkThresholdPoints(const vtkThresholdPoints&);
00082 void operator=(const vtkThresholdPoints&);
00083 };
00084
00085 #endif