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Imaging/vtkImageDifference.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageDifference.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00055 #ifndef __vtkImageDifference_h
00056 #define __vtkImageDifference_h
00057 
00058 #include "vtkImageTwoInputFilter.h"
00059 
00060 class VTK_IMAGING_EXPORT vtkImageDifference : public vtkImageTwoInputFilter
00061 {
00062 public:
00063   static vtkImageDifference *New();
00064   vtkTypeMacro(vtkImageDifference,vtkImageTwoInputFilter);
00065   void PrintSelf(ostream& os, vtkIndent indent);
00066 
00068 
00069   void SetImage(vtkImageData *image) {this->SetInput2(image);}
00070   vtkImageData *GetImage() {return this->GetInput2();}
00072 
00074 
00075   void SetInput(vtkImageData *input) {this->SetInput1(input);}
00076   void SetInput(int num, vtkImageData *input)
00077     { this->vtkImageMultipleInputFilter::SetInput(num, input); };
00079   
00081 
00082   float GetError(void);
00083   void GetError(float *e) { *e = this->GetError(); };
00085   
00087 
00090   float GetThresholdedError(void);
00091   void GetThresholdedError(float *e) { *e = this->GetThresholdedError(); };
00093 
00094 
00096 
00097   vtkSetMacro(Threshold,int);
00098   vtkGetMacro(Threshold,int);
00100 
00102 
00107   vtkSetMacro(AllowShift,int);
00108   vtkGetMacro(AllowShift,int);
00109   vtkBooleanMacro(AllowShift,int);
00111 
00113 
00116   vtkSetMacro(Averaging,int);
00117   vtkGetMacro(Averaging,int);
00118   vtkBooleanMacro(Averaging,int);
00120 
00121 protected:
00122   vtkImageDifference();
00123   ~vtkImageDifference() {};
00124 
00125   float ErrorPerThread[VTK_MAX_THREADS];
00126   float ThresholdedErrorPerThread[VTK_MAX_THREADS];
00127   int AllowShift;
00128   int Threshold;
00129   int Averaging;
00130   
00131   void ExecuteInformation(vtkImageData **inputs, vtkImageData *output); 
00132   void ComputeInputUpdateExtent(int inExt[6], int outExt[6],
00133                                 int whichInput);
00134   void ExecuteInformation(){this->vtkImageTwoInputFilter::ExecuteInformation();};
00135   void ThreadedExecute(vtkImageData **inDatas, vtkImageData *outData,
00136                        int extent[6], int id);  
00137   
00138 private:
00139   vtkImageDifference(const vtkImageDifference&);  // Not implemented.
00140   void operator=(const vtkImageDifference&);  // Not implemented.
00141 };
00142 
00143 #endif
00144 
00145 

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