vtkUniformGridGhostDataGenerator.h

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/*=========================================================================

 Program:   Visualization Toolkit
 Module:    vtkUniformGridGhostDataGenerator.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 vtkUniformGridGhostDataGenerator_h
#define vtkUniformGridGhostDataGenerator_h

#include "vtkFiltersGeometryModule.h" // For export macro
#include "vtkDataSetGhostGenerator.h"

// Forward declarations
class vtkMultiBlockDataSet;
class vtkIndent;
class vtkStructuredGridConnectivity;

class VTKFILTERSGEOMETRY_EXPORT vtkUniformGridGhostDataGenerator :
  public vtkDataSetGhostGenerator
{
public:
  static vtkUniformGridGhostDataGenerator* New();
  vtkTypeMacro(vtkUniformGridGhostDataGenerator,vtkDataSetGhostGenerator);
  void PrintSelf(ostream& os, vtkIndent indent ) VTK_OVERRIDE;

protected:
  vtkUniformGridGhostDataGenerator();
  ~vtkUniformGridGhostDataGenerator() VTK_OVERRIDE;

  void ComputeOrigin(vtkMultiBlockDataSet *in);

  void ComputeGlobalSpacingVector(vtkMultiBlockDataSet *in);

  void RegisterGrids(vtkMultiBlockDataSet *in);

  void CreateGhostedDataSet(
      vtkMultiBlockDataSet *in,
      vtkMultiBlockDataSet *out );

  void GenerateGhostLayers(
      vtkMultiBlockDataSet *in, vtkMultiBlockDataSet *out) VTK_OVERRIDE;

  double GlobalSpacing[3];
  double GlobalOrigin[3];
  vtkStructuredGridConnectivity *GridConnectivity;

private:
  vtkUniformGridGhostDataGenerator(const vtkUniformGridGhostDataGenerator&) VTK_DELETE_FUNCTION;
  void operator=(const vtkUniformGridGhostDataGenerator&) VTK_DELETE_FUNCTION;
};

#endif /* vtkUniformGridGhostDataGenerator_h */