dox/Imaging/vtkKWEImageFDKFilter.h
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00001 //============================================================================= 00002 // This file is part of VTKEdge. See vtkedge.org for more information. 00003 // 00004 // Copyright (c) 2010 Kitware, Inc. 00005 // 00006 // VTKEdge may be used under the terms of the BSD License 00007 // Please see the file Copyright.txt in the root directory of 00008 // VTKEdge for further information. 00009 // 00010 // Alternatively, you may see: 00011 // 00012 // http://www.vtkedge.org/vtkedge/project/license.html 00013 // 00014 // 00015 // For custom extensions, consulting services, or training for 00016 // this or any other Kitware supported open source project, please 00017 // contact Kitware at sales@kitware.com. 00018 // 00019 // 00020 //============================================================================= 00031 #ifndef __vtkKWEImageFDKFilter_h 00032 #define __vtkKWEImageFDKFilter_h 00033 00034 00035 #include "vtkImageAlgorithm.h" 00036 #include "VTKEdgeConfigure.h" // include configuration header 00037 00038 class vtkDoubleArray; 00039 00040 00041 class VTKEdge_IMAGING_EXPORT vtkKWEImageFDKFilter : public vtkImageAlgorithm 00042 { 00043 public: 00044 static vtkKWEImageFDKFilter *New(); 00045 vtkTypeRevisionMacro(vtkKWEImageFDKFilter,vtkImageAlgorithm); 00046 void PrintSelf(ostream& os, vtkIndent indent); 00047 00049 00051 vtkSetMacro(Radius,float); 00052 vtkGetMacro(Radius,float); 00054 00056 00057 vtkGetObjectMacro(Angles, vtkDoubleArray); 00059 00060 protected: 00061 vtkKWEImageFDKFilter(); 00062 ~vtkKWEImageFDKFilter(); 00063 00064 float Radius; // Distance from the detector to the center of rotation of the source object 00065 vtkDoubleArray * Angles; 00066 00067 00068 00069 virtual int RequestInformation (vtkInformation *vtkNotUsed(request), 00070 vtkInformationVector **inputVector, 00071 vtkInformationVector *outputVector); 00072 00073 virtual int RequestData(vtkInformation *, 00074 vtkInformationVector **, 00075 vtkInformationVector *); 00076 00077 void GenerateWeightingFunction(int projExt[6]); 00078 void ApplyWeightingFunction(int row, int slice, vtkImageData * projection, vtkImageData * output); 00079 void GenerateFilter(float * filter, int order); 00080 00081 private: 00082 vtkKWEImageFDKFilter(const vtkKWEImageFDKFilter&); // Not implemented. 00083 void operator=(const vtkKWEImageFDKFilter&); // Not implemented. 00084 00085 vtkImageData * WeightFunction; 00086 }; 00087 00088 #endif 00089 00090 00091 00092 00093 00094 00095
