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104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkXMLPStructuredDataReader.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 vtkXMLPStructuredDataReader
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* @brief Superclass for parallel structured data XML readers.
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*
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* vtkXMLPStructuredDataReader provides functionality common to all
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* parallel structured data format readers.
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*
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* @sa
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* vtkXMLPImageDataReader vtkXMLPStructuredGridReader
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* vtkXMLPRectilinearGridReader
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*/
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#ifndef vtkXMLPStructuredDataReader_h
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#define vtkXMLPStructuredDataReader_h
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#include "vtkIOXMLModule.h" // For export macro
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#include "vtkXMLPDataReader.h"
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class vtkExtentSplitter;
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class vtkXMLStructuredDataReader;
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class VTKIOXML_EXPORT vtkXMLPStructuredDataReader : public vtkXMLPDataReader
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{
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public:
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vtkTypeMacro(vtkXMLPStructuredDataReader, 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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vtkXMLPStructuredDataReader();
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~vtkXMLPStructuredDataReader() override;
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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 CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray) override;
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virtual void SetOutputExtent(int* extent) = 0;
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virtual void GetPieceInputExtent(int index, int* extent) = 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 SetupOutputData() override;
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void SetupPieces(int numPieces) override;
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void DestroyPieces() override;
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int ReadPiece(vtkXMLDataElement* ePiece) override;
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int ReadPieceData() override;
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void CopySubExtent(int* inExtent, int* inDimensions, vtkIdType* inIncrements, int* outExtent,
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int* outDimensions, vtkIdType* outIncrements, int* subExtent, int* subDimensions,
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vtkDataArray* inArray, vtkDataArray* outArray);
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int ComputePieceSubExtents();
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vtkExtentSplitter* ExtentSplitter;
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// The extent to be updated in the output.
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int UpdateExtent[6];
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int PointDimensions[3];
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vtkIdType PointIncrements[3];
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int CellDimensions[3];
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vtkIdType CellIncrements[3];
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// The extent currently being read from a piece.
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int SubExtent[6];
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int SubPointDimensions[3];
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int SubCellDimensions[3];
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int SubPieceExtent[6];
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int SubPiecePointDimensions[3];
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vtkIdType SubPiecePointIncrements[3];
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int SubPieceCellDimensions[3];
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vtkIdType SubPieceCellIncrements[3];
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// Information per-piece.
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int* PieceExtents;
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int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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private:
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vtkXMLPStructuredDataReader(const vtkXMLPStructuredDataReader&) = delete;
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void operator=(const vtkXMLPStructuredDataReader&) = delete;
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};
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#endif
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