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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkXMLPUnstructuredDataReader
* @brief Superclass for parallel unstructured data XML readers.
*
* vtkXMLPUnstructuredDataReader provides functionality common to all
* parallel unstructured data format readers.
*
* @sa
* vtkXMLPPolyDataReader vtkXMLPUnstructuredGridReader
*/
#ifndef vtkXMLPUnstructuredDataReader_h
#define vtkXMLPUnstructuredDataReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPDataReader.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkAbstractArray;
class vtkPointSet;
class vtkCellArray;
class vtkXMLUnstructuredDataReader;
class VTKIOXML_EXPORT vtkXMLPUnstructuredDataReader : public vtkXMLPDataReader
{
public:
vtkTypeMacro(vtkXMLPUnstructuredDataReader, 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:
vtkXMLPUnstructuredDataReader();
~vtkXMLPUnstructuredDataReader() override;
int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
vtkPointSet* GetOutputAsPointSet();
vtkPointSet* GetPieceInputAsPointSet(int piece);
virtual void SetupOutputTotals();
virtual void SetupNextPiece();
vtkIdType GetNumberOfPoints() override;
vtkIdType GetNumberOfCells() override;
void CopyArrayForPoints(vtkAbstractArray* inArray, vtkAbstractArray* outArray) override;
void SetupEmptyOutput() override;
// Setup the output's information.
void SetupOutputInformation(vtkInformation* outInfo) override;
void SetupOutputData() override;
virtual void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel) = 0;
// Pipeline execute data driver. Called by vtkXMLReader.
void ReadXMLData() override;
int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
void SetupUpdateExtent(int piece, int numberOfPieces, int ghostLevel);
int ReadPieceData() override;
void CopyCellArray(vtkIdType totalNumberOfCells, vtkCellArray* inCells, vtkCellArray* outCells);
// Get the number of points/cells in the given piece. Valid after
// UpdateInformation.
virtual vtkIdType GetNumberOfPointsInPiece(int piece);
virtual vtkIdType GetNumberOfCellsInPiece(int piece);
// The update request.
int UpdatePieceId;
int UpdateNumberOfPieces;
int UpdateGhostLevel;
// The range of pieces from the file that will form the UpdatePiece.
int StartPiece;
int EndPiece;
vtkIdType TotalNumberOfPoints;
vtkIdType TotalNumberOfCells;
vtkIdType StartPoint;
// The PPoints element with point information.
vtkXMLDataElement* PPointsElement;
private:
vtkXMLPUnstructuredDataReader(const vtkXMLPUnstructuredDataReader&) = delete;
void operator=(const vtkXMLPUnstructuredDataReader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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