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94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkXMLUnstructuredGridReader.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 vtkXMLUnstructuredGridReader
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* @brief Read VTK XML UnstructuredGrid files.
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*
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* vtkXMLUnstructuredGridReader reads the VTK XML UnstructuredGrid
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* file format. One unstructured grid file can be read to produce one
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* output. Streaming is supported. The standard extension for this
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* reader's file format is "vtu". This reader is also used to read a
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* single piece of the parallel file format.
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*
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* @sa
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* vtkXMLPUnstructuredGridReader
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*/
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#ifndef vtkXMLUnstructuredGridReader_h
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#define vtkXMLUnstructuredGridReader_h
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#include "vtkIOXMLModule.h" // For export macro
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#include "vtkXMLUnstructuredDataReader.h"
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class vtkUnstructuredGrid;
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class vtkIdTypeArray;
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class VTKIOXML_EXPORT vtkXMLUnstructuredGridReader : public vtkXMLUnstructuredDataReader
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{
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public:
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vtkTypeMacro(vtkXMLUnstructuredGridReader, vtkXMLUnstructuredDataReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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static vtkXMLUnstructuredGridReader* New();
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//@{
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/**
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* Get the reader's output.
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*/
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vtkUnstructuredGrid* GetOutput();
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vtkUnstructuredGrid* GetOutput(int idx);
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//@}
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protected:
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vtkXMLUnstructuredGridReader();
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~vtkXMLUnstructuredGridReader() override;
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const char* GetDataSetName() override;
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void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel) override;
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void SetupOutputTotals() override;
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void SetupPieces(int numPieces) override;
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void DestroyPieces() override;
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void SetupOutputData() override;
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int ReadPiece(vtkXMLDataElement* ePiece) override;
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void SetupNextPiece() override;
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int ReadPieceData() override;
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// Read a data array whose tuples correspond to cells.
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int ReadArrayForCells(vtkXMLDataElement* da, vtkAbstractArray* outArray) override;
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// Get the number of cells in the given piece. Valid after
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// UpdateInformation.
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vtkIdType GetNumberOfCellsInPiece(int piece) override;
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int FillOutputPortInformation(int, vtkInformation*) override;
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// The index of the cell in the output where the current piece
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// begins.
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vtkIdType StartCell;
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// The Cells element for each piece.
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vtkXMLDataElement** CellElements;
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vtkIdType* NumberOfCells;
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int CellsTimeStep;
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unsigned long CellsOffset;
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private:
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vtkXMLUnstructuredGridReader(const vtkXMLUnstructuredGridReader&) = delete;
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void operator=(const vtkXMLUnstructuredGridReader&) = delete;
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};
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#endif
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