vtkUniformGrid.h

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

  Program:   Visualization Toolkit
  Module:    vtkUniformGrid.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 vtkUniformGrid_h
#define vtkUniformGrid_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkImageData.h"

class vtkEmptyCell;
class vtkStructuredVisibilityConstraint;
class vtkUnsignedCharArray;
class vtkAMRBox;

class VTKCOMMONDATAMODEL_EXPORT vtkUniformGrid : public vtkImageData
{
public:

  static vtkUniformGrid *New();
  vtkTypeMacro(vtkUniformGrid,vtkImageData);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void CopyStructure(vtkDataSet *ds) override;

  int GetDataObjectType() override {return VTK_UNIFORM_GRID;};


  vtkCell *GetCell(int i, int j, int k) override;
  vtkCell *GetCell(vtkIdType cellId) override;
  void GetCell(vtkIdType cellId, vtkGenericCell *cell) 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->GetDataDescription(),
                                      this->GetDimensions());}
  void GetPointCells(vtkIdType ptId, vtkIdList *cellIds) override
    {vtkStructuredData::GetPointCells(ptId,cellIds,this->GetDimensions());}
  void Initialize() override;
  int GetMaxCellSize() override {return 8;}; //voxel is the largest

  int GetGridDescription();

  int Initialize(const vtkAMRBox *def, double* origin, double* spacing);
  int Initialize(const vtkAMRBox *def, double* origin, double* spacing, int nGhosts);

  int Initialize(const vtkAMRBox *def, double* origin, double* spacing, const int nGhosts[3]);
  int Initialize(const vtkAMRBox *def, double* origin, double* spacing, int nGhostsI,int nGhostsJ,int nGhostsK);


  virtual void BlankPoint(vtkIdType ptId);
  virtual void UnBlankPoint(vtkIdType ptId);
  virtual void BlankPoint( const int i, const int j, const int k );
  virtual void UnBlankPoint( const int i, const int j, const int k );


  virtual void BlankCell(vtkIdType ptId);
  virtual void UnBlankCell(vtkIdType ptId);
  virtual void BlankCell( const int i, const int j, const int k );
  virtual void UnBlankCell( const int i, const int j, const int k );

  bool HasAnyBlankCells() override;
  bool HasAnyBlankPoints() override;

  virtual unsigned char IsPointVisible(vtkIdType ptId);

  virtual unsigned char IsCellVisible(vtkIdType cellId);

  virtual vtkImageData* NewImageDataCopy();


  static vtkUniformGrid* GetData(vtkInformation* info);
  static vtkUniformGrid* GetData(vtkInformationVector* v, int i=0);

protected:
  vtkUniformGrid();
  ~vtkUniformGrid() override;

  void GetCellDims( int cellDims[3] );

  void ComputeScalarRange() override;

  vtkEmptyCell* GetEmptyCell();

private:
  vtkUniformGrid(const vtkUniformGrid&) = delete;
  void operator=(const vtkUniformGrid&) = delete;

  vtkEmptyCell *EmptyCell;

  static unsigned char MASKED_CELL_VALUE;
};


#endif