dox/Filters/Geometry/vtkStructuredAMRNeighbor.h

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

 Program:   Visualization Toolkit
 Module:    vtkStructuredAMRNeighbor.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 VTKSTRUCTUREDAMRNEIGHBOR_H_
#define VTKSTRUCTUREDAMRNEIGHBOR_H_

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

class VTKFILTERSGEOMETRY_EXPORT vtkStructuredAMRNeighbor :
  public vtkStructuredNeighbor
{
public:

  // An enum that defines the neighbor relationship between the 2 grids.
  enum NeighborRelationship
    {
    PARENT,                       // Neighbor fully contains this grid
    PARTIALLY_OVERLAPPING_PARENT, // Neighbor partially contains this grid
    CHILD,                        // This grid fully contains the neighbor
    PARTIALLY_OVERLAPPING_CHILD,  // This grid partially contains the neighbor
    SAME_LEVEL_SIBLING,           // Grids are adjacent at the same level
    COARSE_TO_FINE_SIBLING,       // Grid is adjacent with a finer neighbor
    FINE_TO_COARSE_SIBLING,       // Grid is adjacent with a coarser neighbor
    UNDEFINED
    };

  // NOTE: The OverlapExtent stores the overlap w.r.t. the neighboring grid
  // Consequently, GridOverlapExtent stores the overlap extent w.r.t. this grid.
  int GridOverlapExtent[6]; // The overlap extent w.r.t. this grid
  int GridLevel;      // The level of the grid that has this neighbor
  int NeighborLevel;  // The level of the neighboring grid
  int RelationShip;   // The relationship of the grid with this neighbor

  vtkStructuredAMRNeighbor();


  vtkStructuredAMRNeighbor(
     const int gridLevel,
     const int neiID, const int neighborLevel,
     int gridOverlap[6], int neiOverlap[6],
     int orient[3],
     const int relationShip);


  vtkStructuredAMRNeighbor(const vtkStructuredAMRNeighbor &N) :
    vtkStructuredNeighbor(N) { *this = N; }

  ~vtkStructuredAMRNeighbor() {}

  vtkStructuredAMRNeighbor& operator=(const vtkStructuredAMRNeighbor &N);

  void GetReceiveExtentOnGrid(const int ng,int gridExtent[6],int ext[6]);

  std::string GetRelationShipString();


  virtual void ComputeSendAndReceiveExtent(
      int gridRealExtent[6], int gridGhostedExtent[6], int neiRealExtent[6],
      int WholeExtent[6], const int N);
};

#endif /* VTKSTRUCTUREDAMRNEIGHBOR_H_ */
// VTK-HeaderTest-Exclude: vtkStructuredAMRNeighbor.h