vtkAggregateDataSetFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#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;


  void SetNumberOfTargetProcesses(int);
  vtkGetMacro(NumberOfTargetProcesses, int);

  enum TargetProcessType
  {
    ROOT_PROCESS = 0,
    PROCESS_WITH_MOST_POINTS = 1
  };

  vtkSetClampMacro(TargetProcess, int, ROOT_PROCESS, PROCESS_WITH_MOST_POINTS);
  vtkGetMacro(TargetProcess, int);
  void SetTargetProcessToRootProcess() { this->SetTargetProcess(ROOT_PROCESS); }
  void SetTargetProcessToProcessWithMostPoints()
  {
    this->SetTargetProcess(PROCESS_WITH_MOST_POINTS);
  }


  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;

  int TargetProcess;
};

VTK_ABI_NAMESPACE_END
#endif