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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkGenerateProcessIds
* @brief Sets ProcessIds attribute for PointData and/or CellData.
*
*
* vtkGenerateProcessIds is meant to fill in the ProcessIds attribute array,
* to know which processor owns which cells and points. It can generate it
* for both PointData and CellData. The ProcessIds array's name will be
* "PointProcessIds" for PointData, and "CellProcessIds" for CellData.
*/
#ifndef vtkGenerateProcessIds_h
#define vtkGenerateProcessIds_h
#include "vtkDataSetAlgorithm.h"
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkSmartPointer.h" // For vtkSmartPointer
#include "vtkWeakPointer.h" // For vtkWeakPointer
VTK_ABI_NAMESPACE_BEGIN
class vtkMultiProcessController;
template <typename T>
class vtkImplicitArray;
template <typename T>
struct vtkConstantImplicitBackend;
template <typename Type>
using vtkConstantArray = vtkImplicitArray<vtkConstantImplicitBackend<Type>>;
class VTKFILTERSPARALLEL_EXPORT vtkGenerateProcessIds : public vtkDataSetAlgorithm
{
public:
static vtkGenerateProcessIds* New();
vtkTypeMacro(vtkGenerateProcessIds, vtkDataSetAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Set/Get whether to generate process ids for PointData.
* Default is true.
*/
vtkSetMacro(GeneratePointData, bool);
vtkGetMacro(GeneratePointData, bool);
vtkBooleanMacro(GeneratePointData, bool);
///@}
///@{
/**
* Set/Get whether to generate process ids for CellData.
* Default is false.
*/
vtkSetMacro(GenerateCellData, bool);
vtkGetMacro(GenerateCellData, bool);
vtkBooleanMacro(GenerateCellData, bool);
///@}
///@{
/**
* By default this filter uses the global controller,
* but this method can be used to set another instead.
*/
virtual void SetController(vtkMultiProcessController*);
vtkMultiProcessController* GetController();
///@}
protected:
vtkGenerateProcessIds();
~vtkGenerateProcessIds() override;
// Append the pieces.
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
private:
vtkGenerateProcessIds(const vtkGenerateProcessIds&) = delete;
void operator=(const vtkGenerateProcessIds&) = delete;
/**
* Generate a vtkIdTypeArray filled with piece id.
*/
vtkSmartPointer<vtkConstantArray<vtkIdType>> GenerateProcessIds(
vtkIdType piece, vtkIdType numberOfTuples);
bool GeneratePointData = true;
bool GenerateCellData = false;
vtkWeakPointer<vtkMultiProcessController> Controller;
};
VTK_ABI_NAMESPACE_END
#endif
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