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103 lines
3.4 KiB
C
103 lines
3.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkXMLPUnstructuredDataReader.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkXMLPUnstructuredDataReader
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* @brief Superclass for parallel unstructured data XML readers.
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*
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* vtkXMLPUnstructuredDataReader provides functionality common to all
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* parallel unstructured data format readers.
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*
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* @sa
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* vtkXMLPPolyDataReader vtkXMLPUnstructuredGridReader
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*/
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#ifndef vtkXMLPUnstructuredDataReader_h
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#define vtkXMLPUnstructuredDataReader_h
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#include "vtkIOXMLModule.h" // For export macro
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#include "vtkXMLPDataReader.h"
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class vtkPointSet;
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class vtkCellArray;
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class vtkXMLUnstructuredDataReader;
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class VTKIOXML_EXPORT vtkXMLPUnstructuredDataReader : public vtkXMLPDataReader
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{
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public:
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vtkTypeMacro(vtkXMLPUnstructuredDataReader, vtkXMLPDataReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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// For the specified port, copy the information this reader sets up in
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// SetupOutputInformation to outInfo
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void CopyOutputInformation(vtkInformation* outInfo, int port) override;
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protected:
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vtkXMLPUnstructuredDataReader();
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~vtkXMLPUnstructuredDataReader() override;
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int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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vtkPointSet* GetOutputAsPointSet();
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vtkPointSet* GetPieceInputAsPointSet(int piece);
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virtual void SetupOutputTotals();
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virtual void SetupNextPiece();
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vtkIdType GetNumberOfPoints() override;
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vtkIdType GetNumberOfCells() override;
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void CopyArrayForPoints(vtkDataArray* inArray, vtkDataArray* outArray) override;
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void SetupEmptyOutput() override;
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// Setup the output's information.
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void SetupOutputInformation(vtkInformation* outInfo) override;
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void SetupOutputData() override;
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virtual void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel) = 0;
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// Pipeline execute data driver. Called by vtkXMLReader.
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void ReadXMLData() override;
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int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
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void SetupUpdateExtent(int piece, int numberOfPieces, int ghostLevel);
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int ReadPieceData() override;
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void CopyCellArray(vtkIdType totalNumberOfCells, vtkCellArray* inCells, vtkCellArray* outCells);
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// Get the number of points/cells in the given piece. Valid after
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// UpdateInformation.
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virtual vtkIdType GetNumberOfPointsInPiece(int piece);
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virtual vtkIdType GetNumberOfCellsInPiece(int piece);
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// The update request.
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int UpdatePieceId;
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int UpdateNumberOfPieces;
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int UpdateGhostLevel;
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// The range of pieces from the file that will form the UpdatePiece.
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int StartPiece;
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int EndPiece;
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vtkIdType TotalNumberOfPoints;
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vtkIdType TotalNumberOfCells;
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vtkIdType StartPoint;
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// The PPoints element with point information.
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vtkXMLDataElement* PPointsElement;
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private:
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vtkXMLPUnstructuredDataReader(const vtkXMLPUnstructuredDataReader&) = delete;
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void operator=(const vtkXMLPUnstructuredDataReader&) = delete;
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};
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#endif
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