MeanCurvatureEnergy.h

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

  Program:   SparseFieldLevelSetContour
  Module:    $HeadURL$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) Brigham and Women's Hospital (BWH) All Rights Reserved.

  See License.txt or http://www.slicer.org/copyright/copyright.txt for details.

==========================================================================*/
#ifndef MEANCURVATUREENERGY
#define MEANCURVATUREENERGY

#include "MeshEnergy.h"

class MeanCurvatureEnergy : public MeshEnergy
{
public:
  MeanCurvatureEnergy( MeshData* data )
  {
    meshdata = data;
  }
  virtual ~MeanCurvatureEnergy()
  {
  }

  double eval_energy( const std::vector<int>& C );

  std::valarray<double> getforce( const std::list<int>& C);

  std::valarray<double> getforce( const std::list<int>& C, const std::list<int>& L_p1, const std::list<int>& L_n1,
                                  const std::vector<double>& phi);

};

#endif