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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDirectedGraph.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
// .NAME vtkDirectedGraph - A directed graph.
//
// .SECTION Description
// vtkDirectedGraph is a collection of vertices along with a collection of
// directed edges (edges that have a source and target). ShallowCopy()
// and DeepCopy() (and CheckedShallowCopy(), CheckedDeepCopy())
// accept instances of vtkTree and vtkMutableDirectedGraph.
//
// vtkDirectedGraph is read-only. To create an undirected graph,
// use an instance of vtkMutableDirectedGraph, then you may set the
// structure to a vtkDirectedGraph using ShallowCopy().
//
// .SECTION See Also
// vtkGraph vtkMutableDirectedGraph
#ifndef vtkDirectedGraph_h
#define vtkDirectedGraph_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkGraph.h"
class VTKCOMMONDATAMODEL_EXPORT vtkDirectedGraph : public vtkGraph
{
public:
static vtkDirectedGraph *New();
vtkTypeMacro(vtkDirectedGraph, vtkGraph);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Return what type of dataset this is.
virtual int GetDataObjectType() {return VTK_DIRECTED_GRAPH;}
// Description:
// Retrieve a graph from an information vector.
static vtkDirectedGraph *GetData(vtkInformation *info);
static vtkDirectedGraph *GetData(vtkInformationVector *v, int i=0);
// Description:
// Check the storage, and accept it if it is a valid
// undirected graph. This is public to allow
// the ToDirected/UndirectedGraph to work.
virtual bool IsStructureValid(vtkGraph *g);
protected:
vtkDirectedGraph();
~vtkDirectedGraph();
private:
vtkDirectedGraph(const vtkDirectedGraph&); // Not implemented.
void operator=(const vtkDirectedGraph&); // Not implemented.
};
#endif
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