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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPDataSetReader.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 vtkPDataSetReader
* @brief Manages reading pieces of a data set.
*
* vtkPDataSetReader will read a piece of a file, it takes as input
* a metadata file that lists all of the files in a data set.
*/
#ifndef vtkPDataSetReader_h
#define vtkPDataSetReader_h
#include "vtkIOParallelModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"
class vtkDataSet;
class VTKIOPARALLEL_EXPORT vtkPDataSetReader : public vtkDataSetAlgorithm
{
public:
void PrintSelf(ostream& os, vtkIndent indent);
vtkTypeMacro(vtkPDataSetReader,vtkDataSetAlgorithm);
static vtkPDataSetReader *New();
//@{
/**
* This file to open and read.
*/
vtkSetStringMacro(FileName);
vtkGetStringMacro(FileName);
//@}
//@{
/**
* This is set when UpdateInformation is called.
* It shows the type of the output.
*/
vtkGetMacro(DataType, int);
//@}
/**
* Called to determine if the file can be read by the reader.
*/
int CanReadFile(const char* filename);
protected:
vtkPDataSetReader();
~vtkPDataSetReader();
virtual int RequestDataObject(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
void ReadPVTKFileInformation(ifstream *fp,
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
void ReadVTKFileInformation(ifstream *fp,
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestInformation(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int RequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
int PolyDataExecute(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
int UnstructuredGridExecute(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
int ImageDataExecute(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
int StructuredGridExecute(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
void CoverExtent(int ext[6], int *pieceMask);
vtkDataSet *CheckOutput();
void SetNumberOfPieces(int num);
ifstream *OpenFile(const char *);
int ReadXML(ifstream *file, char **block, char **param, char **value);
void SkipFieldData(ifstream *file);
int VTKFileFlag;
int StructuredFlag;
char *FileName;
int DataType;
int NumberOfPieces;
char **PieceFileNames;
int **PieceExtents;
private:
vtkPDataSetReader(const vtkPDataSetReader&) VTK_DELETE_FUNCTION;
void operator=(const vtkPDataSetReader&) VTK_DELETE_FUNCTION;
};
#endif
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