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/*=========================================================================
Program: Visualization Toolkit
Module: vtkXMLPStructuredDataReader.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 vtkXMLPStructuredDataReader
* @brief Superclass for parallel structured data XML readers.
*
* vtkXMLPStructuredDataReader provides functionality common to all
* parallel structured data format readers.
*
* @sa
* vtkXMLPImageDataReader vtkXMLPStructuredGridReader
* vtkXMLPRectilinearGridReader
*/
#ifndef vtkXMLPStructuredDataReader_h
#define vtkXMLPStructuredDataReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPDataReader.h"
class vtkExtentSplitter;
class vtkXMLStructuredDataReader;
class VTKIOXML_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader
{
public:
vtkTypeMacro(vtkXMLPStructuredDataReader,vtkXMLPDataReader);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
// For the specified port, copy the information this reader sets up in
// SetupOutputInformation to outInfo
void CopyOutputInformation(vtkInformation *outInfo, int port) VTK_OVERRIDE;
protected:
vtkXMLPStructuredDataReader();
~vtkXMLPStructuredDataReader() VTK_OVERRIDE;
vtkIdType GetNumberOfPoints() VTK_OVERRIDE;
vtkIdType GetNumberOfCells() VTK_OVERRIDE;
void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray) VTK_OVERRIDE;
void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray) VTK_OVERRIDE;
virtual void SetOutputExtent(int* extent)=0;
virtual void GetPieceInputExtent(int index, int* extent)=0;
// Pipeline execute data driver. Called by vtkXMLReader.
void ReadXMLData() VTK_OVERRIDE;
int ReadPrimaryElement(vtkXMLDataElement* ePrimary) VTK_OVERRIDE;
void SetupOutputData() VTK_OVERRIDE;
void SetupPieces(int numPieces) VTK_OVERRIDE;
void DestroyPieces() VTK_OVERRIDE;
int ReadPiece(vtkXMLDataElement* ePiece) VTK_OVERRIDE;
int ReadPieceData() VTK_OVERRIDE;
void CopySubExtent(int* inExtent, int* inDimensions, vtkIdType* inIncrements,
int* outExtent,int* outDimensions,vtkIdType* outIncrements,
int* subExtent, int* subDimensions,
vtkDataArray* inArray, vtkDataArray* outArray);
int ComputePieceSubExtents();
vtkExtentSplitter* ExtentSplitter;
// The extent to be updated in the output.
int UpdateExtent[6];
int PointDimensions[3];
vtkIdType PointIncrements[3];
int CellDimensions[3];
vtkIdType CellIncrements[3];
// The extent currently being read from a piece.
int SubExtent[6];
int SubPointDimensions[3];
int SubCellDimensions[3];
int SubPieceExtent[6];
int SubPiecePointDimensions[3];
vtkIdType SubPiecePointIncrements[3];
int SubPieceCellDimensions[3];
vtkIdType SubPieceCellIncrements[3];
// Information per-piece.
int* PieceExtents;
int RequestInformation(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector) VTK_OVERRIDE;
private:
vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&) VTK_DELETE_FUNCTION;
void operator=(const vtkXMLPStructuredDataReader&) VTK_DELETE_FUNCTION;
};
#endif
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