vtkPUnstructuredGridGhostCellsGenerator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPUnstructuredGridGhostCellsGenerator.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
 
#ifndef vtkPUnstructuredGridGhostCellsGenerator_h
#define vtkPUnstructuredGridGhostCellsGenerator_h
 
#include "vtkFiltersParallelGeometryModule.h" // For export macro
#include "vtkUnstructuredGridGhostCellsGenerator.h"
#include <vector> // For passing data between methods
 
class vtkMultiProcessController;
 
class VTKFILTERSPARALLELGEOMETRY_EXPORT vtkPUnstructuredGridGhostCellsGenerator
  : public vtkUnstructuredGridGhostCellsGenerator
{
  vtkTypeMacro(vtkPUnstructuredGridGhostCellsGenerator, vtkUnstructuredGridGhostCellsGenerator);
 
public:
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkPUnstructuredGridGhostCellsGenerator* New();
 
 
  void SetController(vtkMultiProcessController* c);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);
 
protected:
  vtkPUnstructuredGridGhostCellsGenerator();
  ~vtkPUnstructuredGridGhostCellsGenerator() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  void GetFirstGhostLayer(int, vtkUnstructuredGrid*);
 
  void ExchangeBoundsAndDetermineNeighbors(std::vector<double>&);
  void ExtractAndReduceSurfacePointsShareData(std::vector<double>&);
  void ComputeSharedPoints();
 
  void ExtractAndSendGhostCells(vtkUnstructuredGridBase*);
 
  void ReceiveAndMergeGhostCells(int, int, vtkUnstructuredGridBase*, vtkUnstructuredGrid*);
 
  void AddGhostLayer(int ghostLevel, int maxGhostLevel);
 
  void FindGhostCells();
 
  void AddGlobalCellIds();
 
  void RemoveGlobalCellIds();
 
  vtkMultiProcessController* Controller;
 
private:
  struct vtkInternals;
  vtkInternals* Internals;
 
  vtkPUnstructuredGridGhostCellsGenerator(const vtkPUnstructuredGridGhostCellsGenerator&) = delete;
  void operator=(const vtkPUnstructuredGridGhostCellsGenerator&) = delete;
};
 
#endif