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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkDataSetGradientPrecompute
*
*
* Computes a geometry based vector field that the DataSetGradient filter uses to accelerate
* gradient computation. This vector field is added to FieldData since it has a different
* value for each vertex of each cell (a vertex shared by two cell has two different values).
*
* @par Thanks:
* This file is part of the generalized Youngs material interface reconstruction algorithm
* contributed by CEA/DIF - Commissariat a l'Energie Atomique, Centre DAM Ile-De-France <br> BP12,
* F-91297 Arpajon, France. <br> Implementation by Thierry Carrard (CEA)
*/
#ifndef vtkDataSetGradientPrecompute_h
#define vtkDataSetGradientPrecompute_h
#include "vtkDataSetAlgorithm.h"
#include "vtkFiltersGeneralModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSGENERAL_EXPORT vtkDataSetGradientPrecompute : public vtkDataSetAlgorithm
{
public:
static vtkDataSetGradientPrecompute* New();
vtkTypeMacro(vtkDataSetGradientPrecompute, vtkDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
static int GradientPrecompute(vtkDataSet* ds, vtkDataSetAlgorithm* self = nullptr);
protected:
vtkDataSetGradientPrecompute();
~vtkDataSetGradientPrecompute() override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
private:
vtkDataSetGradientPrecompute(const vtkDataSetGradientPrecompute&) = delete;
void operator=(const vtkDataSetGradientPrecompute&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif /* VTK_DATA_SET_GRADIENT_PRECOMPUTE_H */
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