vtkXMLRectilinearGridReader.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkXMLRectilinearGridReader.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 __vtkXMLRectilinearGridReader_h
#define __vtkXMLRectilinearGridReader_h

#include "vtkXMLStructuredDataReader.h"

class vtkRectilinearGrid;

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

  void SetOutput(vtkRectilinearGrid *output);
  vtkRectilinearGrid *GetOutput();
  vtkRectilinearGrid *GetOutput(int idx);
  
protected:
  vtkXMLRectilinearGridReader();
  ~vtkXMLRectilinearGridReader();  
  
  const char* GetDataSetName();
  void SetOutputExtent(int* extent);
  
  void SetupPieces(int numPieces);
  void DestroyPieces();
  void SetupOutputData();
  int ReadPiece(vtkXMLDataElement* ePiece);
  int ReadPieceData();
  int ReadSubCoordinates(int* inBounds, int* outBounds, int* subBounds,
                         vtkXMLDataElement* da, vtkDataArray* array);
  virtual int FillOutputPortInformation(int, vtkInformation*);
  
  // The elements representing the coordinate arrays for each piece.
  vtkXMLDataElement** CoordinateElements;
  
private:
  vtkXMLRectilinearGridReader(const vtkXMLRectilinearGridReader&);  // Not implemented.
  void operator=(const vtkXMLRectilinearGridReader&);  // Not implemented.
};

#endif

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