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108 lines
3.8 KiB
108 lines
3.8 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageGaussianSmooth.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkImageGaussianSmooth - Performs a gaussian convolution.
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// .SECTION Description
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// vtkImageGaussianSmooth implements a convolution of the input image
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// with a gaussian. Supports from one to three dimensional convolutions.
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#ifndef __vtkImageGaussianSmooth_h
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#define __vtkImageGaussianSmooth_h
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#include "vtkThreadedImageAlgorithm.h"
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class VTK_IMAGING_EXPORT vtkImageGaussianSmooth : public vtkThreadedImageAlgorithm
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{
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public:
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vtkTypeRevisionMacro(vtkImageGaussianSmooth,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Creates an instance of vtkImageGaussianSmooth with the following
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// defaults: Dimensionality 3, StandardDeviations( 2, 2, 2),
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// Radius Factors ( 1.5, 1.5, 1.5)
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static vtkImageGaussianSmooth *New();
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// Description:
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// Sets/Gets the Standard deviation of the gaussian in pixel units.
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vtkSetVector3Macro(StandardDeviations, double);
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void SetStandardDeviation(double std)
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{this->SetStandardDeviations(std,std,std);}
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void SetStandardDeviations(double a,double b)
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{this->SetStandardDeviations(a,b,0.0);}
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vtkGetVector3Macro(StandardDeviations, double);
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// Description:
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// Sets/Gets the Standard deviation of the gaussian in pixel units.
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// These methods are provided for compatibility with old scripts
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void SetStandardDeviation(double a,double b)
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{this->SetStandardDeviations(a,b,0.0);}
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void SetStandardDeviation(double a,double b,double c)
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{this->SetStandardDeviations(a,b,c);}
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// Description:
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// Sets/Gets the Radius Factors of the gaussian (no unit).
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// The radius factors determine how far out the gaussian kernel will
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// go before being clamped to zero.
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vtkSetVector3Macro(RadiusFactors, double);
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void SetRadiusFactors(double f, double f2) {
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this->SetRadiusFactors(f,f2,1.5);}
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void SetRadiusFactor(double f) {this->SetRadiusFactors(f, f, f);}
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vtkGetVector3Macro(RadiusFactors, double);
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// Description:
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// Set/Get the dimensionality of this filter. This determines whether
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// a one, two, or three dimensional gaussian is performed.
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vtkSetMacro(Dimensionality, int);
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vtkGetMacro(Dimensionality, int);
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protected:
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vtkImageGaussianSmooth();
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~vtkImageGaussianSmooth();
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int Dimensionality;
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double StandardDeviations[3];
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double RadiusFactors[3];
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void ComputeKernel(double *kernel, int min, int max, double std);
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virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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void InternalRequestUpdateExtent(int *, int*);
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void ExecuteAxis(int axis, vtkImageData *inData, int inExt[6],
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vtkImageData *outData, int outExt[6],
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int *pcycle, int target, int *pcount, int total,
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vtkInformation *inInfo);
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void ThreadedRequestData(vtkInformation *request,
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector,
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vtkImageData ***inData, vtkImageData **outData,
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int outExt[6], int id);
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private:
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vtkImageGaussianSmooth(const vtkImageGaussianSmooth&); // Not implemented.
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void operator=(const vtkImageGaussianSmooth&); // Not implemented.
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};
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#endif
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