vtkAMRUtilities.h

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/*=========================================================================
 
 Program:   Visualization Toolkit
 Module:    vtkAMRUtilities.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 vtkAMRUtilities_h
#define vtkAMRUtilities_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
#include <vector> // For C++ vector
 
// Forward declarations
class vtkDataArray;
class vtkFieldData;
class vtkOverlappingAMR;
class vtkUniformGrid;
class vtkUnsignedCharArray;
 
class VTKCOMMONDATAMODEL_EXPORT vtkAMRUtilities : public vtkObject
{
public:
  // Standard Routines
  vtkTypeMacro(vtkAMRUtilities, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static void StripGhostLayers(
    vtkOverlappingAMR* ghostedAMRData, vtkOverlappingAMR* strippedAMRData);
 
  static bool HasPartiallyOverlappingGhostCells(vtkOverlappingAMR* amr);
 
  static void BlankCells(vtkOverlappingAMR* amr);
 
protected:
  vtkAMRUtilities() = default;
  ~vtkAMRUtilities() override = default;
 
  static void CopyFieldsWithinRealExtent(
    int realExtent[6], vtkUniformGrid* ghostedGrid, vtkUniformGrid* strippedGrid);
 
  static void CopyFieldData(
    vtkFieldData* target, vtkIdType targetIdx, vtkFieldData* source, vtkIdType sourceIdx);
 
  static vtkUniformGrid* StripGhostLayersFromGrid(vtkUniformGrid* grid, int ghost[6]);
 
  static void BlankGridsAtLevel(vtkOverlappingAMR* amr, int levelIdx,
    std::vector<std::vector<unsigned int>>& children, const std::vector<int>& processMap);
 
private:
  vtkAMRUtilities(const vtkAMRUtilities&) = delete;
  void operator=(const vtkAMRUtilities&) = delete;
 
  static void MergeGhostArrays(vtkDataArray* existingArray, vtkUnsignedCharArray* ghosts);
};
 
#endif /* vtkAMRUtilities_h */