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100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPDataSetReader.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 vtkPDataSetReader
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* @brief Manages reading pieces of a data set.
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*
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* vtkPDataSetReader will read a piece of a file, it takes as input
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* a metadata file that lists all of the files in a data set.
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*/
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#ifndef vtkPDataSetReader_h
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#define vtkPDataSetReader_h
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#include "vtkDataSetAlgorithm.h"
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#include "vtkIOParallelModule.h" // For export macro
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class vtkDataSet;
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class VTKIOPARALLEL_EXPORT vtkPDataSetReader : public vtkDataSetAlgorithm
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{
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public:
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void PrintSelf(ostream& os, vtkIndent indent) override;
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vtkTypeMacro(vtkPDataSetReader, vtkDataSetAlgorithm);
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static vtkPDataSetReader* New();
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//@{
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/**
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* This file to open and read.
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*/
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vtkSetStringMacro(FileName);
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vtkGetStringMacro(FileName);
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//@}
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//@{
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/**
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* This is set when UpdateInformation is called.
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* It shows the type of the output.
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*/
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vtkGetMacro(DataType, int);
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//@}
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/**
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* Called to determine if the file can be read by the reader.
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*/
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int CanReadFile(const char* filename);
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protected:
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vtkPDataSetReader();
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~vtkPDataSetReader() override;
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int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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void ReadPVTKFileInformation(istream* fp, vtkInformation* request,
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vtkInformationVector** inputVector, vtkInformationVector* outputVector);
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void ReadVTKFileInformation(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int PolyDataExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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int UnstructuredGridExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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int ImageDataExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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int StructuredGridExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
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void CoverExtent(int ext[6], int* pieceMask);
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vtkDataSet* CheckOutput();
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void SetNumberOfPieces(int num);
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istream* OpenFile(const char*);
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int ReadXML(istream* file, char** block, char** param, char** value);
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int VTKFileFlag;
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int StructuredFlag;
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char* FileName;
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int DataType;
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int NumberOfPieces;
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char** PieceFileNames;
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int** PieceExtents;
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private:
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vtkPDataSetReader(const vtkPDataSetReader&) = delete;
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void operator=(const vtkPDataSetReader&) = delete;
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};
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#endif
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