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122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGenericDataObjectReader.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 vtkGenericDataObjectReader
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* @brief class to read any type of vtk data object
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*
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* vtkGenericDataObjectReader is a class that provides instance variables and methods
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* to read any type of data object in Visualization Toolkit (vtk) format. The
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* output type of this class will vary depending upon the type of data
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* file. Convenience methods are provided to return the data as a particular
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* type. (See text for format description details).
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* The superclass of this class, vtkDataReader, provides many methods for
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* controlling the reading of the data file, see vtkDataReader for more
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* information.
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* @warning
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* Binary files written on one system may not be readable on other systems.
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* @sa
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* vtkDataReader vtkGraphReader vtkPolyDataReader vtkRectilinearGridReader
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* vtkStructuredPointsReader vtkStructuredGridReader vtkTableReader
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* vtkTreeReader vtkUnstructuredGridReader
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*/
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#ifndef vtkGenericDataObjectReader_h
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#define vtkGenericDataObjectReader_h
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#include "vtkIOLegacyModule.h" // For export macro
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#include "vtkDataReader.h"
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class vtkDataObject;
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class vtkGraph;
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class vtkMolecule;
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class vtkPolyData;
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class vtkRectilinearGrid;
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class vtkStructuredGrid;
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class vtkStructuredPoints;
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class vtkTable;
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class vtkTree;
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class vtkUnstructuredGrid;
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class VTKIOLEGACY_EXPORT vtkGenericDataObjectReader : public vtkDataReader
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{
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public:
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static vtkGenericDataObjectReader *New();
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vtkTypeMacro(vtkGenericDataObjectReader,vtkDataReader);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Get the output of this filter
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*/
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vtkDataObject *GetOutput();
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vtkDataObject *GetOutput(int idx);
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//@}
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//@{
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/**
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* Get the output as various concrete types. This method is typically used
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* when you know exactly what type of data is being read. Otherwise, use
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* the general GetOutput() method. If the wrong type is used NULL is
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* returned. (You must also set the filename of the object prior to
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* getting the output.)
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*/
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vtkGraph *GetGraphOutput();
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vtkMolecule *GetMoleculeOutput();
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vtkPolyData *GetPolyDataOutput();
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vtkRectilinearGrid *GetRectilinearGridOutput();
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vtkStructuredGrid *GetStructuredGridOutput();
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vtkStructuredPoints *GetStructuredPointsOutput();
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vtkTable *GetTableOutput();
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vtkTree *GetTreeOutput();
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vtkUnstructuredGrid *GetUnstructuredGridOutput();
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//@}
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/**
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* This method can be used to find out the type of output expected without
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* needing to read the whole file.
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*/
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virtual int ReadOutputType();
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/**
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* See vtkAlgorithm for information.
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*/
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virtual int ProcessRequest(vtkInformation *, vtkInformationVector **,
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vtkInformationVector *);
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protected:
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vtkGenericDataObjectReader();
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~vtkGenericDataObjectReader();
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virtual int RequestData(vtkInformation *, vtkInformationVector **,
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vtkInformationVector *);
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virtual int RequestDataObject(vtkInformation *, vtkInformationVector **,
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vtkInformationVector *);
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virtual int FillOutputPortInformation(int, vtkInformation *);
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virtual int RequestInformation(vtkInformation *, vtkInformationVector **,
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vtkInformationVector *);
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private:
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vtkGenericDataObjectReader(const vtkGenericDataObjectReader&) VTK_DELETE_FUNCTION;
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void operator=(const vtkGenericDataObjectReader&) VTK_DELETE_FUNCTION;
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template<typename ReaderT, typename DataT>
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void ReadData(const char* dataClass, vtkDataObject* output);
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vtkSetStringMacro(Header);
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};
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#endif
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