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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @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"
VTK_ABI_NAMESPACE_BEGIN
class vtkAbstractArray;
class vtkExtentSplitter;
class vtkXMLStructuredDataReader;
class VTKIOXML_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader
{
public:
vtkTypeMacro(vtkXMLPStructuredDataReader, vtkXMLPDataReader);
void PrintSelf(ostream& os, vtkIndent indent) override;
// For the specified port, copy the information this reader sets up in
// SetupOutputInformation to outInfo
void CopyOutputInformation(vtkInformation* outInfo, int port) override;
protected:
vtkXMLPStructuredDataReader();
~vtkXMLPStructuredDataReader() override;
vtkIdType GetNumberOfPoints() override;
vtkIdType GetNumberOfCells() override;
void CopyArrayForPoints(vtkAbstractArray* inArray, vtkAbstractArray* outArray) override;
void CopyArrayForCells(vtkAbstractArray* inArray, vtkAbstractArray* outArray) override;
virtual void SetOutputExtent(int* extent) = 0;
virtual void GetPieceInputExtent(int index, int* extent) = 0;
// Pipeline execute data driver. Called by vtkXMLReader.
void ReadXMLData() override;
int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
void SetupOutputData() override;
void SetupPieces(int numPieces) override;
void DestroyPieces() override;
int ReadPiece(vtkXMLDataElement* ePiece) override;
int ReadPieceData() override;
void CopySubExtent(int* inExtent, int* inDimensions, vtkIdType* inIncrements, int* outExtent,
int* outDimensions, vtkIdType* outIncrements, int* subExtent, int* subDimensions,
vtkAbstractArray* inArray, vtkAbstractArray* 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) override;
private:
vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&) = delete;
void operator=(const vtkXMLPStructuredDataReader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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