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/*=========================================================================
Program: ParaView
Module: $RCSfile: vtkXMLMultiGroupDataReader.h,v $
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.
=========================================================================*/
// .NAME vtkXMLMultiGroupDataReader - Reader for multi-group datasets
// .SECTION Description
// vtkXMLMultiGroupDataReader reads the VTK XML multi-group data file
// format. XML multi-group data files are meta-files that point to a list
// of serial VTK XML files. When reading in parallel, it will distribute
// sub-blocks among processor. If the number of sub-blocks is less than
// the number of processors, some processors will not have any sub-blocks
// for that group. If the number of sub-blocks is larger than the
// number of processors, each processor will possibly have more than
// 1 sub-block.
#ifndef __vtkXMLMultiGroupDataReader_h
#define __vtkXMLMultiGroupDataReader_h
#include "vtkXMLReader.h"
class vtkMultiGroupDataSet;
//BTX
struct vtkXMLMultiGroupDataReaderInternals;
//ETX
class VTK_IO_EXPORT vtkXMLMultiGroupDataReader : public vtkXMLReader
{
public:
static vtkXMLMultiGroupDataReader* New();
vtkTypeRevisionMacro(vtkXMLMultiGroupDataReader,vtkXMLReader);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get the output data object for a port on this algorithm.
vtkMultiGroupDataSet* GetOutput();
vtkMultiGroupDataSet* GetOutput(int);
protected:
vtkXMLMultiGroupDataReader();
~vtkXMLMultiGroupDataReader();
// Get the name of the data set being read.
virtual const char* GetDataSetName();
virtual void ReadXMLData();
virtual int ReadPrimaryElement(vtkXMLDataElement* ePrimary);
// Setup the output with no data available. Used in error cases.
virtual void SetupEmptyOutput();
virtual int FillOutputPortInformation(int, vtkInformation* info);
// Create a default executive.
virtual vtkExecutive* CreateDefaultExecutive();
vtkXMLReader* GetReaderOfType(const char* type);
virtual void HandleDataSet(
vtkXMLDataElement* ds, int group, int dsId,
vtkMultiGroupDataSet* output, vtkDataSet* data);
virtual int RequestInformation(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
private:
vtkXMLMultiGroupDataReader(const vtkXMLMultiGroupDataReader&); // Not implemented.
void operator=(const vtkXMLMultiGroupDataReader&); // Not implemented.
vtkXMLMultiGroupDataReaderInternals* Internal;
};
#endif
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