vtkGaussianKernel.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkGaussianKernel_h
#define vtkGaussianKernel_h
 
#include "vtkFiltersPointsModule.h" // For export macro
#include "vtkGeneralizedKernel.h"
 
VTK_ABI_NAMESPACE_BEGIN
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;
};
 
VTK_ABI_NAMESPACE_END
#endif