vtkGenericDataSet.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkGenericDataSet.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 __vtkGenericDataSet_h
#define __vtkGenericDataSet_h

#include "vtkDataObject.h"

class vtkCellTypes;
class vtkGenericCellIterator;
class vtkGenericAttributeCollection;
class vtkGenericCellTessellator;
class vtkGenericPointIterator;
class vtkRenderer;

class VTK_FILTERING_EXPORT vtkGenericDataSet : public vtkDataObject
{
public:

  vtkTypeRevisionMacro(vtkGenericDataSet,vtkDataObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual vtkIdType GetNumberOfPoints() = 0;

  virtual vtkIdType GetNumberOfCells(int dim=-1) = 0;

  virtual int GetCellDimension() = 0;
  
  virtual void GetCellTypes(vtkCellTypes *types);

  virtual vtkGenericCellIterator *NewCellIterator(int dim=-1) = 0;
  

  virtual vtkGenericCellIterator *NewBoundaryIterator(int dim=-1,
                                                      int exteriorOnly=0) = 0;
  
  virtual vtkGenericPointIterator *NewPointIterator()=0;
  

  virtual vtkIdType FindCell(double x[3],
                             vtkGenericCellIterator* &cell,
                             double tol2,
                             int &subId,
                             double pcoords[3]) = 0;
  

  virtual void FindPoint(double x[3],
                         vtkGenericPointIterator *p)=0;
  
  virtual unsigned long int GetMTime();
  
  virtual void ComputeBounds()=0;
  
  virtual double *GetBounds();

  virtual void GetBounds(double bounds[6]);
  
  virtual double *GetCenter();

  virtual void GetCenter(double center[3]);

  virtual double GetLength();
  

  vtkGetObjectMacro(Attributes, vtkGenericAttributeCollection);
  

  virtual void SetTessellator(vtkGenericCellTessellator *tessellator);
  vtkGetObjectMacro(Tessellator,vtkGenericCellTessellator);


  void SetUpdateExtent(int piece, int numPieces, int ghostLevel);
  virtual void SetUpdateExtent( int ext[6] )
    {
    this->Superclass::SetUpdateExtent(ext);
    }
  void SetUpdateExtent( int x1, int x2, int y1, int y2, int z1, int z2 )
    {
    this->Superclass::SetUpdateExtent(x1, x2, y1, y2, z1, z2);
    }

  virtual unsigned long GetActualMemorySize();
  
  int GetDataObjectType();
  
  virtual vtkIdType GetEstimatedSize() = 0;
  
protected:
  vtkGenericDataSet();
  
  virtual ~vtkGenericDataSet();

  vtkGenericAttributeCollection *Attributes;

  //Main helper class to tesselate a higher order cell into linear ones.
  vtkGenericCellTessellator *Tessellator;

  double Bounds[6];  // (xmin,xmax, ymin,ymax, zmin,zmax) geometric bounds
  double Center[3]; // Center of the geometric bounding box
  vtkTimeStamp ComputeTime; // Time at which bounds, center, etc. computed
  
private:
  vtkGenericDataSet(const vtkGenericDataSet&);  // Not implemented.
  void operator=(const vtkGenericDataSet&);    // Not implemented.
};

#endif

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