vtkUniformGrid.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkUniformGrid.h,v $

  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 "vtkImageData.h"

class vtkEmptyCell;
class vtkStructuredVisibilityConstraint;
class vtkUnsignedCharArray;

class VTK_FILTERING_EXPORT vtkUniformGrid : public vtkImageData
{
public:
  static vtkUniformGrid *New();

  vtkTypeRevisionMacro(vtkUniformGrid,vtkImageData);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void CopyStructure(vtkDataSet *ds);

  virtual int GetDataObjectType() {return VTK_UNIFORM_GRID;};


  virtual vtkCell *GetCell(vtkIdType cellId);
  virtual void GetCell(vtkIdType cellId, vtkGenericCell *cell);
  virtual vtkIdType FindCell(
    double x[3], vtkCell *cell, vtkIdType cellId, double tol2, 
    int& subId, double pcoords[3], double *weights);
  virtual vtkIdType FindCell(
    double x[3], vtkCell *cell, vtkGenericCell *gencell,
    vtkIdType cellId, double tol2, int& subId, 
    double pcoords[3], double *weights);
  virtual vtkCell *FindAndGetCell(
    double x[3], vtkCell *cell, vtkIdType cellId, 
    double tol2, int& subId, double pcoords[3],
    double *weights);
  virtual int GetCellType(vtkIdType cellId);
  virtual void GetCellPoints(vtkIdType cellId, vtkIdList *ptIds)
    {vtkStructuredData::GetCellPoints(cellId,ptIds,this->DataDescription,
                                      this->GetDimensions());}
  virtual void GetPointCells(vtkIdType ptId, vtkIdList *cellIds)
    {vtkStructuredData::GetPointCells(ptId,cellIds,this->GetDimensions());}
  virtual void Initialize();
  virtual int GetMaxCellSize() {return 8;}; //voxel is the largest
  virtual void GetScalarRange(double range[2]);


  virtual void ShallowCopy(vtkDataObject *src);  
  virtual void DeepCopy(vtkDataObject *src);
  

  virtual void BlankPoint(vtkIdType ptId);
  virtual void UnBlankPoint(vtkIdType ptId);


  virtual void BlankCell(vtkIdType ptId);
  virtual void UnBlankCell(vtkIdType ptId);
  
  virtual vtkUnsignedCharArray *GetPointVisibilityArray(); 

  virtual void SetPointVisibilityArray(vtkUnsignedCharArray *pointVisibility);

  virtual vtkUnsignedCharArray *GetCellVisibilityArray(); 
  
  virtual void SetCellVisibilityArray(vtkUnsignedCharArray *pointVisibility);

  virtual unsigned char IsPointVisible(vtkIdType ptId);
  
  virtual unsigned char IsCellVisible(vtkIdType cellId);

  virtual unsigned char GetPointBlanking();

  virtual unsigned char GetCellBlanking();

  virtual vtkImageData* NewImageDataCopy();

  //BTX

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

protected:
  vtkUniformGrid();
  ~vtkUniformGrid();

  vtkStructuredVisibilityConstraint* PointVisibility;

  void SetPointVisibility(vtkStructuredVisibilityConstraint *pointVisibility);
  vtkGetObjectMacro(PointVisibility, vtkStructuredVisibilityConstraint);

  vtkStructuredVisibilityConstraint* CellVisibility;

  void SetCellVisibility(vtkStructuredVisibilityConstraint *cellVisibility);
  vtkGetObjectMacro(CellVisibility, vtkStructuredVisibilityConstraint);

  vtkEmptyCell *EmptyCell;

private:
  vtkUniformGrid(const vtkUniformGrid&);  // Not implemented.
  void operator=(const vtkUniformGrid&);  // Not implemented.
};


#endif

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