vtkStructuredGrid.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkStructuredGrid.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 vtkStructuredGrid_h
#define vtkStructuredGrid_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkPointSet.h"
 
#include "vtkStructuredData.h" // Needed for inline methods
 
class vtkEmptyCell;
class vtkHexahedron;
class vtkLine;
class vtkQuad;
class vtkUnsignedCharArray;
class vtkVertex;
 
class VTKCOMMONDATAMODEL_EXPORT vtkStructuredGrid : public vtkPointSet
{
public:
  static vtkStructuredGrid* New();
  static vtkStructuredGrid* ExtendedNew();
 
  vtkTypeMacro(vtkStructuredGrid, vtkPointSet);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  int GetDataObjectType() override { return VTK_STRUCTURED_GRID; }
 
  void CopyStructure(vtkDataSet* ds) override;
 
 
  vtkIdType GetNumberOfPoints() override { return vtkPointSet::GetNumberOfPoints(); }
  double* GetPoint(vtkIdType ptId) VTK_SIZEHINT(3) override
  {
    return this->vtkPointSet::GetPoint(ptId);
  }
  void GetPoint(vtkIdType ptId, double p[3]) override { this->vtkPointSet::GetPoint(ptId, p); }
  vtkCell* GetCell(vtkIdType cellId) override;
  vtkCell* GetCell(int i, int j, int k) override;
  void GetCell(vtkIdType cellId, vtkGenericCell* cell) override;
  void GetCellBounds(vtkIdType cellId, double bounds[6]) override;
  int GetCellType(vtkIdType cellId) override;
  vtkIdType GetNumberOfCells() override;
  void GetCellPoints(vtkIdType cellId, vtkIdList* ptIds) override;
  void GetPointCells(vtkIdType ptId, vtkIdList* cellIds) override
  {
    vtkStructuredData::GetPointCells(ptId, cellIds, this->GetDimensions());
  }
  void Initialize() override;
  int GetMaxCellSize() override { return 8; } // hexahedron is the largest
  void GetCellNeighbors(vtkIdType cellId, vtkIdList* ptIds, vtkIdList* cellIds) override;
  void GetCellNeighbors(vtkIdType cellId, vtkIdList* ptIds, vtkIdList* cellIds, int* seedLoc);
 
 
  void SetDimensions(int i, int j, int k);
  void SetDimensions(const int dim[3]);
 
 
  virtual int* GetDimensions() VTK_SIZEHINT(3);
  virtual void GetDimensions(int dim[3]);
 
  int GetDataDimension();
 
 
  void SetExtent(int extent[6]);
  void SetExtent(int xMin, int xMax, int yMin, int yMax, int zMin, int zMax);
  vtkGetVector6Macro(Extent, int);
 
  unsigned long GetActualMemorySize() override;
 
 
  void ShallowCopy(vtkDataObject* src) override;
  void DeepCopy(vtkDataObject* src) override;
 
  int GetExtentType() override { return VTK_3D_EXTENT; }
 
 
  void BlankPoint(vtkIdType ptId);
  void UnBlankPoint(vtkIdType ptId);
 
 
  void BlankCell(vtkIdType ptId);
  void UnBlankCell(vtkIdType ptId);
 
  unsigned char IsPointVisible(vtkIdType ptId);
 
  unsigned char IsCellVisible(vtkIdType cellId);
 
  bool HasAnyBlankPoints() override;
  bool HasAnyBlankCells() override;
 
  void GetCellDims(int cellDims[3]);
 
  void Crop(const int* updateExtent) override;
 
 
  static vtkStructuredGrid* GetData(vtkInformation* info);
  static vtkStructuredGrid* GetData(vtkInformationVector* v, int i = 0);
 
  void GetPoint(int i, int j, int k, double p[3], bool adjustForExtent = true);
 
protected:
  vtkStructuredGrid();
  ~vtkStructuredGrid() override;
 
  // for the GetCell method
  vtkVertex* Vertex;
  vtkLine* Line;
  vtkQuad* Quad;
  vtkHexahedron* Hexahedron;
  vtkEmptyCell* EmptyCell;
 
  int Dimensions[3];
  int DataDescription;
 
  int Extent[6];
 
  void ComputeScalarRange() override;
 
private:
  void GetCellNeighbors(vtkIdType cellId, vtkIdList& ptIds, vtkIdList& cellIds)
  {
    this->GetCellNeighbors(cellId, &ptIds, &cellIds);
  }
 
  // Internal method used by DeepCopy and ShallowCopy.
  void InternalStructuredGridCopy(vtkStructuredGrid* src);
 
private:
  vtkStructuredGrid(const vtkStructuredGrid&) = delete;
  void operator=(const vtkStructuredGrid&) = delete;
};
 
inline vtkIdType vtkStructuredGrid::GetNumberOfCells()
{
  vtkIdType nCells = 1;
  int dims[3];
  int i;
 
  this->GetDimensions(dims);
  for (i = 0; i < 3; i++)
  {
    if (dims[i] <= 0)
    {
      return 0;
    }
    if (dims[i] > 1)
    {
      nCells *= (dims[i] - 1);
    }
  }
 
  return nCells;
}
 
inline int vtkStructuredGrid::GetDataDimension()
{
  return vtkStructuredData::GetDataDimension(this->DataDescription);
}
 
#endif