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Imaging/vtkImageGaussianSmooth.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImageGaussianSmooth.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 =========================================================================*/
00039 #ifndef __vtkImageGaussianSmooth_h
00040 #define __vtkImageGaussianSmooth_h
00041 
00042 
00043 #include "vtkImageToImageFilter.h"
00044 
00045 class VTK_IMAGING_EXPORT vtkImageGaussianSmooth : public vtkImageToImageFilter
00046 {
00047 public:
00048   vtkTypeRevisionMacro(vtkImageGaussianSmooth,vtkImageToImageFilter);
00049   void PrintSelf(ostream& os, vtkIndent indent);
00050 
00054   static vtkImageGaussianSmooth *New();
00055   
00056   
00058 
00059   vtkSetVector3Macro(StandardDeviations, float);
00060   void SetStandardDeviation(float std)
00061         {this->SetStandardDeviations(std,std,std);}
00062   void SetStandardDeviations(float a,float b)
00063         {this->SetStandardDeviations(a,b,0.0);}
00064   vtkGetVector3Macro(StandardDeviations, float);
00066 
00068 
00070   void SetStandardDeviation(float a,float b)
00071         {this->SetStandardDeviations(a,b,0.0);}
00072   void SetStandardDeviation(float a,float b,float c) 
00073         {this->SetStandardDeviations(a,b,c);}
00075 
00077 
00080   vtkSetVector3Macro(RadiusFactors, float);
00081   void SetRadiusFactors(float f, float f2) {this->SetRadiusFactors(f,f2,1.5);}
00082   void SetRadiusFactor(float f) {this->SetRadiusFactors(f, f, f);}
00083   vtkGetVector3Macro(RadiusFactors, float);
00085 
00087 
00089   vtkSetMacro(Dimensionality, int);
00090   vtkGetMacro(Dimensionality, int);
00092 
00093 protected:
00094   vtkImageGaussianSmooth();
00095   ~vtkImageGaussianSmooth();
00096 
00097   int Dimensionality;
00098   float StandardDeviations[3];
00099   float RadiusFactors[3];
00100   
00101   void ComputeKernel(double *kernel, int min, int max, double std);
00102   void ComputeInputUpdateExtent(int inExt[6], int outExt[6]);
00103   void ExecuteAxis(int axis, vtkImageData *inData, int inExt[6],
00104                    vtkImageData *outData, int outExt[6],
00105                    int *pcycle, int target, int *pcount, int total);
00106   void ThreadedExecute(vtkImageData *inData, 
00107                        vtkImageData *outData, int outExt[6], int id);
00108   
00109 private:
00110   vtkImageGaussianSmooth(const vtkImageGaussianSmooth&);  // Not implemented.
00111   void operator=(const vtkImageGaussianSmooth&);  // Not implemented.
00112 };
00113 
00114 #endif
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