vtkKCoreDecomposition.h

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

  Program:   Visualization Toolkit
  Module:    vtkKCoreDecomposition.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 vtkKCoreDecomposition_h
#define vtkKCoreDecomposition_h

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

class vtkIntArray;

class VTKINFOVISCORE_EXPORT vtkKCoreDecomposition : public vtkGraphAlgorithm
{
public:
  static vtkKCoreDecomposition *New();

  vtkTypeMacro(vtkKCoreDecomposition, vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStringMacro(OutputArrayName);


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


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


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

protected:
  vtkKCoreDecomposition();
  ~vtkKCoreDecomposition() override;

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

private:

  char* OutputArrayName;

  bool UseInDegreeNeighbors;
  bool UseOutDegreeNeighbors;
  bool CheckInputGraph;

  // K-core partitioning implementation
  void Cores(vtkGraph* g,
             vtkIntArray* KCoreNumbers);

  vtkKCoreDecomposition(const vtkKCoreDecomposition&) = delete;
  void operator=(const vtkKCoreDecomposition&) = delete;
};

#endif