vtkRectilinearGrid.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkRectilinearGrid.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 vtkRectilinearGrid_h
#define vtkRectilinearGrid_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkDataSet.h"
#include "vtkStructuredData.h" // For inline methods
 
class vtkVertex;
class vtkLine;
class vtkPixel;
class vtkVoxel;
class vtkDataArray;
class vtkPoints;
 
class VTKCOMMONDATAMODEL_EXPORT vtkRectilinearGrid : public vtkDataSet
{
public:
  static vtkRectilinearGrid* New();
  static vtkRectilinearGrid* ExtendedNew();
 
  vtkTypeMacro(vtkRectilinearGrid, vtkDataSet);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  int GetDataObjectType() override { return VTK_RECTILINEAR_GRID; }
 
  void CopyStructure(vtkDataSet* ds) override;
 
  void Initialize() override;
 
 
  vtkIdType GetNumberOfCells() override;
  vtkIdType GetNumberOfPoints() override;
  double* GetPoint(vtkIdType ptId) VTK_SIZEHINT(3) override;
  void GetPoint(vtkIdType id, double x[3]) override;
  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;
  vtkIdType FindPoint(double x, double y, double z) { return this->vtkDataSet::FindPoint(x, y, z); }
  vtkIdType FindPoint(double x[3]) override;
  vtkIdType FindCell(double x[3], vtkCell* cell, vtkIdType cellId, double tol2, int& subId,
    double pcoords[3], double* weights) override;
  vtkIdType FindCell(double x[3], vtkCell* cell, vtkGenericCell* gencell, vtkIdType cellId,
    double tol2, int& subId, double pcoords[3], double* weights) override;
  vtkCell* FindAndGetCell(double x[3], vtkCell* cell, vtkIdType cellId, double tol2, int& subId,
    double pcoords[3], double* weights) override;
  int GetCellType(vtkIdType cellId) override;
  void GetCellPoints(vtkIdType cellId, vtkIdList* ptIds) override
  {
    vtkStructuredData::GetCellPoints(cellId, ptIds, this->DataDescription, this->Dimensions);
  }
  void GetPointCells(vtkIdType ptId, vtkIdList* cellIds) override
  {
    vtkStructuredData::GetPointCells(ptId, cellIds, this->Dimensions);
  }
  void ComputeBounds() override;
  int GetMaxCellSize() override { return 8; } // voxel is the largest
  void GetCellNeighbors(vtkIdType cellId, vtkIdList* ptIds, vtkIdList* cellIds) override;
  void GetCellNeighbors(vtkIdType cellId, vtkIdList* ptIds, vtkIdList* cellIds, int* seedLoc);
 
  unsigned char IsPointVisible(vtkIdType ptId);
 
  unsigned char IsCellVisible(vtkIdType cellId);
 
  bool HasAnyBlankPoints() override;
  bool HasAnyBlankCells() override;
 
  void GetCellDims(int cellDims[3]);
 
  void GetPoints(vtkPoints* pnts);
 
 
  void SetDimensions(int i, int j, int k);
  void SetDimensions(const int dim[3]);
 
 
  vtkGetVectorMacro(Dimensions, int, 3);
 
  int GetDataDimension();
 
  int ComputeStructuredCoordinates(double x[3], int ijk[3], double pcoords[3]);
 
  vtkIdType ComputePointId(int ijk[3]);
 
  vtkIdType ComputeCellId(int ijk[3]);
 
  void GetPoint(const int i, const int j, const int k, double p[3]);
 
 
  virtual void SetXCoordinates(vtkDataArray*);
  vtkGetObjectMacro(XCoordinates, vtkDataArray);
 
 
  virtual void SetYCoordinates(vtkDataArray*);
  vtkGetObjectMacro(YCoordinates, vtkDataArray);
 
 
  virtual void SetZCoordinates(vtkDataArray*);
  vtkGetObjectMacro(ZCoordinates, vtkDataArray);
 
 
  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 Crop(const int* updateExtent) override;
 
 
  static vtkRectilinearGrid* GetData(vtkInformation* info);
  static vtkRectilinearGrid* GetData(vtkInformationVector* v, int i = 0);
 
 
  static void SetScalarType(int, vtkInformation* meta_data);
  static int GetScalarType(vtkInformation* meta_data);
  static bool HasScalarType(vtkInformation* meta_data);
  int GetScalarType();
  const char* GetScalarTypeAsString() { return vtkImageScalarTypeNameMacro(this->GetScalarType()); }
 
 
  static void SetNumberOfScalarComponents(int n, vtkInformation* meta_data);
  static int GetNumberOfScalarComponents(vtkInformation* meta_data);
  static bool HasNumberOfScalarComponents(vtkInformation* meta_data);
  int GetNumberOfScalarComponents();
 
protected:
  vtkRectilinearGrid();
  ~vtkRectilinearGrid() override;
 
  // for the GetCell method
  vtkVertex* Vertex;
  vtkLine* Line;
  vtkPixel* Pixel;
  vtkVoxel* Voxel;
 
  int Dimensions[3];
  int DataDescription;
 
  int Extent[6];
 
  vtkDataArray* XCoordinates;
  vtkDataArray* YCoordinates;
  vtkDataArray* ZCoordinates;
 
  // Hang on to some space for returning points when GetPoint(id) is called.
  double PointReturn[3];
 
private:
  void Cleanup();
 
private:
  vtkRectilinearGrid(const vtkRectilinearGrid&) = delete;
  void operator=(const vtkRectilinearGrid&) = delete;
};
 
//----------------------------------------------------------------------------
inline vtkIdType vtkRectilinearGrid::GetNumberOfCells()
{
  vtkIdType nCells = 1;
  int i;
 
  for (i = 0; i < 3; i++)
  {
    if (this->Dimensions[i] <= 0)
    {
      return 0;
    }
    if (this->Dimensions[i] > 1)
    {
      nCells *= (this->Dimensions[i] - 1);
    }
  }
 
  return nCells;
}
 
//----------------------------------------------------------------------------
inline vtkIdType vtkRectilinearGrid::GetNumberOfPoints()
{
  return static_cast<vtkIdType>(this->Dimensions[0]) * this->Dimensions[1] * this->Dimensions[2];
}
 
//----------------------------------------------------------------------------
inline int vtkRectilinearGrid::GetDataDimension()
{
  return vtkStructuredData::GetDataDimension(this->DataDescription);
}
 
//----------------------------------------------------------------------------
inline vtkIdType vtkRectilinearGrid::ComputePointId(int ijk[3])
{
  return vtkStructuredData::ComputePointId(this->Dimensions, ijk);
}
 
//----------------------------------------------------------------------------
inline vtkIdType vtkRectilinearGrid::ComputeCellId(int ijk[3])
{
  return vtkStructuredData::ComputeCellId(this->Dimensions, ijk);
}
 
#endif