vtkGaussianKernel.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGaussianKernel.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 vtkGaussianKernel_h
#define vtkGaussianKernel_h
 
#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkGeneralizedKernel.h"
 
class vtkIdList;
class vtkDoubleArray;
 
class VTKFILTERSPOINTS_EXPORT vtkGaussianKernel : public vtkGeneralizedKernel
{
public:
 
  static vtkGaussianKernel* New();
  vtkTypeMacro(vtkGaussianKernel, vtkGeneralizedKernel);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize(vtkAbstractPointLocator* loc, vtkDataSet* ds, vtkPointData* pd) override;
 
  // Re-use any superclass signatures that we don't override.
  using vtkGeneralizedKernel::ComputeWeights;
 
  vtkIdType ComputeWeights(
    double x[3], vtkIdList* pIds, vtkDoubleArray* prob, vtkDoubleArray* weights) override;
 
 
  vtkSetClampMacro(Sharpness, double, 1, VTK_FLOAT_MAX);
  vtkGetMacro(Sharpness, double);
 
protected:
  vtkGaussianKernel();
  ~vtkGaussianKernel() override;
 
  double Sharpness;
 
  // Internal structure to reduce computation
  double F2;
 
private:
  vtkGaussianKernel(const vtkGaussianKernel&) = delete;
  void operator=(const vtkGaussianKernel&) = delete;
};
 
#endif