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vtkImageDifference.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageDifference.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 =========================================================================*/
00031 #ifndef __vtkImageDifference_h
00032 #define __vtkImageDifference_h
00033 
00034 #include "vtkImageTwoInputFilter.h"
00035 
00036 class VTK_IMAGING_EXPORT vtkImageDifference : public vtkImageTwoInputFilter
00037 {
00038 public:
00039   static vtkImageDifference *New();
00040   vtkTypeRevisionMacro(vtkImageDifference,vtkImageTwoInputFilter);
00041   void PrintSelf(ostream& os, vtkIndent indent);
00042 
00044 
00045   void SetImage(vtkImageData *image) {this->SetInput2(image);}
00046   vtkImageData *GetImage() {return this->GetInput2();}
00048 
00050 
00051   void SetInput(vtkImageData *input) {this->SetInput1(input);}
00052   void SetInput(int num, vtkImageData *input)
00053     { this->vtkImageMultipleInputFilter::SetInput(num, input); };
00055   
00057 
00058   float GetError(void);
00059   void GetError(float *e) { *e = this->GetError(); };
00061   
00063 
00066   float GetThresholdedError(void);
00067   void GetThresholdedError(float *e) { *e = this->GetThresholdedError(); };
00069 
00070 
00072 
00073   vtkSetMacro(Threshold,int);
00074   vtkGetMacro(Threshold,int);
00076 
00078 
00083   vtkSetMacro(AllowShift,int);
00084   vtkGetMacro(AllowShift,int);
00085   vtkBooleanMacro(AllowShift,int);
00087 
00089 
00092   vtkSetMacro(Averaging,int);
00093   vtkGetMacro(Averaging,int);
00094   vtkBooleanMacro(Averaging,int);
00096 
00097 protected:
00098   vtkImageDifference();
00099   ~vtkImageDifference() {};
00100 
00101   float ErrorPerThread[VTK_MAX_THREADS];
00102   float ThresholdedErrorPerThread[VTK_MAX_THREADS];
00103   int AllowShift;
00104   int Threshold;
00105   int Averaging;
00106   
00107   void ExecuteInformation(vtkImageData **inputs, vtkImageData *output); 
00108   void ComputeInputUpdateExtent(int inExt[6], int outExt[6],
00109                                 int whichInput);
00110   void ExecuteInformation(){this->vtkImageTwoInputFilter::ExecuteInformation();};
00111   void ThreadedExecute(vtkImageData **inDatas, vtkImageData *outData,
00112                        int extent[6], int id);  
00113   
00114 private:
00115   vtkImageDifference(const vtkImageDifference&);  // Not implemented.
00116   void operator=(const vtkImageDifference&);  // Not implemented.
00117 };
00118 
00119 #endif
00120 
00121