vtkExpandSelectedGraph.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkExpandSelectedGraph.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.
-------------------------------------------------------------------------*/

#ifndef __vtkExpandSelectedGraph_h
#define __vtkExpandSelectedGraph_h

#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkSelectionAlgorithm.h"

class vtkGraph;
class vtkIdTypeArray;

class VTKINFOVISCORE_EXPORT vtkExpandSelectedGraph : public vtkSelectionAlgorithm
{
public:
  static vtkExpandSelectedGraph* New();
  vtkTypeMacro(vtkExpandSelectedGraph,vtkSelectionAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  void SetGraphConnection(vtkAlgorithmOutput* in);

  int FillInputPortInformation(int port, vtkInformation* info);


  vtkSetMacro(BFSDistance, int);
  vtkGetMacro(BFSDistance, int);


  vtkSetMacro(IncludeShortestPaths, bool);
  vtkGetMacro(IncludeShortestPaths, bool);
  vtkBooleanMacro(IncludeShortestPaths, bool);


  vtkSetStringMacro(Domain);
  vtkGetStringMacro(Domain);


  vtkSetMacro(UseDomain, bool);
  vtkGetMacro(UseDomain, bool);
  vtkBooleanMacro(UseDomain, bool);

protected:
  vtkExpandSelectedGraph();
  ~vtkExpandSelectedGraph();

  int RequestData(
    vtkInformation*,
    vtkInformationVector**,
    vtkInformationVector*);

  void Expand(vtkIdTypeArray*,vtkGraph*);

  int BFSDistance;
  bool IncludeShortestPaths;
  char* Domain;
  bool UseDomain;

private:
  vtkExpandSelectedGraph(const vtkExpandSelectedGraph&); // Not implemented
  void operator=(const vtkExpandSelectedGraph&);   // Not implemented

  void BFSExpandSelection(vtkIdTypeArray *selection,
                          vtkGraph *graph);
};

#endif