vtkImageGaussianSmooth.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageGaussianSmooth.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkImageGaussianSmooth_h
#define vtkImageGaussianSmooth_h
 
#include "vtkImagingGeneralModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
 
class VTKIMAGINGGENERAL_EXPORT vtkImageGaussianSmooth : public vtkThreadedImageAlgorithm
{
public:
  vtkTypeMacro(vtkImageGaussianSmooth, vtkThreadedImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkImageGaussianSmooth* New();
 
 
  vtkSetVector3Macro(StandardDeviations, double);
  void SetStandardDeviation(double std) { this->SetStandardDeviations(std, std, std); }
  void SetStandardDeviations(double a, double b) { this->SetStandardDeviations(a, b, 0.0); }
  vtkGetVector3Macro(StandardDeviations, double);
 
  void SetStandardDeviation(double a, double b) { this->SetStandardDeviations(a, b, 0.0); }
  void SetStandardDeviation(double a, double b, double c) { this->SetStandardDeviations(a, b, c); }
 
 
  vtkSetVector3Macro(RadiusFactors, double);
  void SetRadiusFactors(double f, double f2) { this->SetRadiusFactors(f, f2, 1.5); }
  void SetRadiusFactor(double f) { this->SetRadiusFactors(f, f, f); }
  vtkGetVector3Macro(RadiusFactors, double);
 
 
  vtkSetMacro(Dimensionality, int);
  vtkGetMacro(Dimensionality, int);
 
protected:
  vtkImageGaussianSmooth();
  ~vtkImageGaussianSmooth() override;
 
  int Dimensionality;
  double StandardDeviations[3];
  double RadiusFactors[3];
 
  void ComputeKernel(double* kernel, int min, int max, double std);
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  void InternalRequestUpdateExtent(int*, int*);
  void ExecuteAxis(int axis, vtkImageData* inData, int inExt[6], vtkImageData* outData,
    int outExt[6], int* pcycle, int target, int* pcount, int total, vtkInformation* inInfo);
  void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData,
    int outExt[6], int id) override;
 
private:
  vtkImageGaussianSmooth(const vtkImageGaussianSmooth&) = delete;
  void operator=(const vtkImageGaussianSmooth&) = delete;
};
 
#endif