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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkAggregateDataSetFilter
* @brief Aggregates data sets to a reduced number of processes.
*
* This class allows polydata and unstructured grids to be aggregated
* over a smaller set of processes. The derived vtkDIYAggregateDataSetFilter
* will operate on image data, rectilinear grids and structured grids.
*/
#ifndef vtkAggregateDataSetFilter_h
#define vtkAggregateDataSetFilter_h
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class vtkMultiProcessController;
class VTKFILTERSPARALLEL_EXPORT vtkAggregateDataSetFilter : public vtkPassInputTypeAlgorithm
{
public:
static vtkAggregateDataSetFilter* New();
vtkTypeMacro(vtkAggregateDataSetFilter, vtkPassInputTypeAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@{
/**
* Number of target processes. Valid values are between 1 and the total
* number of processes. The default is 1. If a value is passed in that
* is less than 1 than NumberOfTargetProcesses is changed/kept at 1.
* If a value is passed in that is greater than the total number of
* processes then NumberOfTargetProcesses is changed/kept at the
* total number of processes. This is useful for scripting use cases
* where later on the script is run with more processes than the
* current amount.
*/
void SetNumberOfTargetProcesses(int);
vtkGetMacro(NumberOfTargetProcesses, int);
///@}
///@{
/**
* Get/Set if the filter should merge coincidental points
* Note 1: The filter will only merge points if the ghost cell array doesn't exist
* Note 2: This option is only taken into account with vtkUnstructuredGrid objects
* Defaults to On
*/
vtkSetMacro(MergePoints, bool);
vtkGetMacro(MergePoints, bool);
vtkBooleanMacro(MergePoints, bool);
///@}
protected:
vtkAggregateDataSetFilter();
~vtkAggregateDataSetFilter() override;
int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
int FillInputPortInformation(int port, vtkInformation* info) override;
int NumberOfTargetProcesses;
bool MergePoints = true;
private:
vtkAggregateDataSetFilter(const vtkAggregateDataSetFilter&) = delete;
void operator=(const vtkAggregateDataSetFilter&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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