vtkXMLPUnstructuredGridReader.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkXMLPUnstructuredGridReader.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 __vtkXMLPUnstructuredGridReader_h
#define __vtkXMLPUnstructuredGridReader_h

#include "vtkXMLPUnstructuredDataReader.h"

class vtkUnstructuredGrid;

class VTK_IO_EXPORT vtkXMLPUnstructuredGridReader : public vtkXMLPUnstructuredDataReader
{
public:
  vtkTypeRevisionMacro(vtkXMLPUnstructuredGridReader,vtkXMLPUnstructuredDataReader);
  void PrintSelf(ostream& os, vtkIndent indent);  
  static vtkXMLPUnstructuredGridReader *New();
  

  void SetOutput(vtkUnstructuredGrid *output);
  vtkUnstructuredGrid *GetOutput();
  vtkUnstructuredGrid *GetOutput(int idx);
  
protected:
  vtkXMLPUnstructuredGridReader();
  ~vtkXMLPUnstructuredGridReader();
  
  const char* GetDataSetName();
  void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel);
  void SetupOutputTotals();
  
  void SetupOutputData();
  void SetupNextPiece();
  int ReadPieceData();
  
  void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray);
  vtkXMLDataReader* CreatePieceReader();
  virtual int FillOutputPortInformation(int, vtkInformation*);
  
  // The index of the cell in the output where the current piece
  // begins.
  vtkIdType StartCell;  
  
private:
  vtkXMLPUnstructuredGridReader(const vtkXMLPUnstructuredGridReader&);  // Not implemented.
  void operator=(const vtkXMLPUnstructuredGridReader&);  // Not implemented.
};

#endif

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