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Imaging/vtkImageDifference.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageDifference.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 =========================================================================*/
00027 #ifndef __vtkImageDifference_h
00028 #define __vtkImageDifference_h
00029 
00030 #include "vtkImageTwoInputFilter.h"
00031 
00032 class VTK_IMAGING_EXPORT vtkImageDifference : public vtkImageTwoInputFilter
00033 {
00034 public:
00035   static vtkImageDifference *New();
00036   vtkTypeRevisionMacro(vtkImageDifference,vtkImageTwoInputFilter);
00037   void PrintSelf(ostream& os, vtkIndent indent);
00038 
00040 
00041   void SetImage(vtkImageData *image) {this->SetInput2(image);}
00042   vtkImageData *GetImage() {return this->GetInput2();}
00044 
00046 
00047   void SetInput(vtkImageData *input) {this->SetInput1(input);}
00048   void SetInput(int num, vtkImageData *input)
00049     { this->vtkImageMultipleInputFilter::SetInput(num, input); };
00051   
00053 
00054   double GetError(void);
00055   void GetError(double *e) { *e = this->GetError(); };
00057   
00059 
00062   double GetThresholdedError(void);
00063   void GetThresholdedError(double *e) { *e = this->GetThresholdedError(); };
00065 
00066 
00068 
00069   vtkSetMacro(Threshold,int);
00070   vtkGetMacro(Threshold,int);
00072 
00074 
00079   vtkSetMacro(AllowShift,int);
00080   vtkGetMacro(AllowShift,int);
00081   vtkBooleanMacro(AllowShift,int);
00083 
00085 
00088   vtkSetMacro(Averaging,int);
00089   vtkGetMacro(Averaging,int);
00090   vtkBooleanMacro(Averaging,int);
00092 
00093 protected:
00094   vtkImageDifference();
00095   ~vtkImageDifference() {};
00096 
00097   double ErrorPerThread[VTK_MAX_THREADS];
00098   double ThresholdedErrorPerThread[VTK_MAX_THREADS];
00099   int AllowShift;
00100   int Threshold;
00101   int Averaging;
00102   
00103   void ExecuteInformation(vtkImageData **inputs, vtkImageData *output); 
00104   void ComputeInputUpdateExtent(int inExt[6], int outExt[6],
00105                                 int whichInput);
00106   void ExecuteInformation(){this->vtkImageTwoInputFilter::ExecuteInformation();};
00107   void ThreadedExecute(vtkImageData **inDatas, vtkImageData *outData,
00108                        int extent[6], int id);  
00109   
00110 private:
00111   vtkImageDifference(const vtkImageDifference&);  // Not implemented.
00112   void operator=(const vtkImageDifference&);  // Not implemented.
00113 };
00114 
00115 #endif
00116 
00117