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/*=========================================================================
Program: Visualization Toolkit
Module: vtkXMLPDataReader.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.
=========================================================================*/
/**
* @class vtkXMLPDataReader
* @brief Superclass for PVTK XML file readers.
*
* vtkXMLPDataReader provides functionality common to all PVTK XML
* file readers. Concrete subclasses call upon this functionality
* when needed.
*
* @sa
* vtkXMLDataReader
*/
#ifndef vtkXMLPDataReader_h
#define vtkXMLPDataReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLReader.h"
class vtkDataArray;
class vtkDataSet;
class vtkXMLDataReader;
class VTKIOXML_EXPORT vtkXMLPDataReader : public vtkXMLReader
{
public:
vtkTypeMacro(vtkXMLPDataReader,vtkXMLReader);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* Get the number of pieces from the summary file being read.
*/
vtkGetMacro(NumberOfPieces, int);
//@}
// For the specified port, copy the information this reader sets up in
// SetupOutputInformation to outInfo
virtual void CopyOutputInformation(vtkInformation *outInfo, int port);
protected:
vtkXMLPDataReader();
~vtkXMLPDataReader();
// Pipeline execute information driver. Called by vtkXMLReader.
int ReadXMLInformation();
virtual void SetupOutputInformation(vtkInformation *outInfo);
int ReadPrimaryElement(vtkXMLDataElement* ePrimary);
vtkDataSet* GetPieceInputAsDataSet(int piece);
void SetupOutputData();
virtual vtkXMLDataReader* CreatePieceReader()=0;
virtual vtkIdType GetNumberOfPoints()=0;
virtual vtkIdType GetNumberOfCells()=0;
virtual void CopyArrayForPoints(vtkDataArray* inArray,
vtkDataArray* outArray)=0;
virtual void CopyArrayForCells(vtkDataArray* inArray,
vtkDataArray* outArray)=0;
virtual void SetupPieces(int numPieces);
virtual void DestroyPieces();
int ReadPiece(vtkXMLDataElement* ePiece, int index);
virtual int ReadPiece(vtkXMLDataElement* ePiece);
int ReadPieceData(int index);
virtual int ReadPieceData();
int CanReadPiece(int index);
char* CreatePieceFileName(const char* fileName);
void SplitFileName();
// Callback registered with the PieceProgressObserver.
static void PieceProgressCallbackFunction(vtkObject*, unsigned long, void*,
void*);
virtual void PieceProgressCallback();
// Pieces from the input summary file.
int NumberOfPieces;
// The ghost level available on each input piece.
int GhostLevel;
// The piece currently being read.
int Piece;
// The path to the input file without the file name.
char* PathName;
// Information per-piece.
vtkXMLDataElement** PieceElements;
vtkXMLDataReader** PieceReaders;
int* CanReadPieceFlag;
// The PPointData and PCellData element representations.
vtkXMLDataElement* PPointDataElement;
vtkXMLDataElement* PCellDataElement;
// The observer to report progress from reading serial data in each
// piece.
vtkCallbackCommand* PieceProgressObserver;
private:
vtkXMLPDataReader(const vtkXMLPDataReader&) VTK_DELETE_FUNCTION;
void operator=(const vtkXMLPDataReader&) VTK_DELETE_FUNCTION;
};
#endif
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