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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDataSetReader.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 vtkDataSetReader
* @brief class to read any type of vtk dataset
*
* vtkDataSetReader is a class that provides instance variables and methods
* to read any type of dataset in Visualization Toolkit (vtk) format. The
* output type of this class will vary depending upon the type of data
* file. Convenience methods are provided to keep the data as a particular
* type. (See text for format description details).
* The superclass of this class, vtkDataReader, provides many methods for
* controlling the reading of the data file, see vtkDataReader for more
* information.
* @warning
* Binary files written on one system may not be readable on other systems.
* @sa
* vtkDataReader vtkPolyDataReader vtkRectilinearGridReader
* vtkStructuredPointsReader vtkStructuredGridReader vtkUnstructuredGridReader
*/
#ifndef vtkDataSetReader_h
#define vtkDataSetReader_h
#include "vtkIOLegacyModule.h" // For export macro
#include "vtkDataReader.h"
class vtkDataSet;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkStructuredPoints;
class vtkUnstructuredGrid;
class VTKIOLEGACY_EXPORT vtkDataSetReader : public vtkDataReader
{
public:
static vtkDataSetReader *New();
vtkTypeMacro(vtkDataSetReader,vtkDataReader);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* Get the output of this filter
*/
vtkDataSet *GetOutput();
vtkDataSet *GetOutput(int idx);
//@}
//@{
/**
* Get the output as various concrete types. This method is typically used
* when you know exactly what type of data is being read. Otherwise, use
* the general GetOutput() method. If the wrong type is used NULL is
* returned. (You must also set the filename of the object prior to
* getting the output.)
*/
vtkPolyData *GetPolyDataOutput();
vtkStructuredPoints *GetStructuredPointsOutput();
vtkStructuredGrid *GetStructuredGridOutput();
vtkUnstructuredGrid *GetUnstructuredGridOutput();
vtkRectilinearGrid *GetRectilinearGridOutput();
//@}
/**
* This method can be used to find out the type of output expected without
* needing to read the whole file.
*/
virtual int ReadOutputType();
protected:
vtkDataSetReader();
~vtkDataSetReader();
virtual int ProcessRequest(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
virtual int RequestData(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
virtual int RequestDataObject(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
virtual int FillOutputPortInformation(int, vtkInformation *);
virtual int RequestInformation(vtkInformation *, vtkInformationVector **,
vtkInformationVector *);
private:
vtkDataSetReader(const vtkDataSetReader&) VTK_DELETE_FUNCTION;
void operator=(const vtkDataSetReader&) VTK_DELETE_FUNCTION;
};
#endif
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