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84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGraphReader.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 vtkGraphReader
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* @brief read vtkGraph data file
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*
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* vtkGraphReader is a source object that reads ASCII or binary
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* vtkGraph data files in vtk format. (see text for format details).
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* The output of this reader is a single vtkGraph data object.
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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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* vtkGraph vtkDataReader vtkGraphWriter
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*/
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#ifndef vtkGraphReader_h
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#define vtkGraphReader_h
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#include "vtkDataReader.h"
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#include "vtkIOLegacyModule.h" // For export macro
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class vtkGraph;
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class VTKIOLEGACY_EXPORT vtkGraphReader : public vtkDataReader
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{
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public:
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static vtkGraphReader* New();
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vtkTypeMacro(vtkGraphReader, vtkDataReader);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Get the output of this reader.
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*/
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vtkGraph* GetOutput();
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vtkGraph* GetOutput(int idx);
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//@}
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/**
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* Actual reading happens here
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*/
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int ReadMeshSimple(const std::string& fname, vtkDataObject* output) override;
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protected:
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vtkGraphReader();
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~vtkGraphReader() override;
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enum GraphType
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{
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UnknownGraph,
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DirectedGraph,
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UndirectedGraph,
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Molecule
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};
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vtkDataObject* CreateOutput(vtkDataObject* currentOutput) override;
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// Read beginning of file to determine whether the graph is directed.
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virtual int ReadGraphType(const char* fname, GraphType& type);
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int FillOutputPortInformation(int, vtkInformation*) override;
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private:
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vtkGraphReader(const vtkGraphReader&) = delete;
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void operator=(const vtkGraphReader&) = delete;
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};
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#endif
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