MOAB: Mesh Oriented datABase  (version 5.2.1)
LaplacianSmoother.hpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2004 Sandia Corporation and Argonne National
00005     Laboratory.  Under the terms of Contract DE-AC04-94AL85000
00006     with Sandia Corporation, the U.S. Government retains certain
00007     rights in this software.
00008 
00009     This library is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU Lesser General Public
00011     License as published by the Free Software Foundation; either
00012     version 2.1 of the License, or (at your option) any later version.
00013 
00014     This library is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017     Lesser General Public License for more details.
00018 
00019     You should have received a copy of the GNU Lesser General Public License
00020     (lgpl.txt) along with this library; if not, write to the Free Software
00021     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 
00023     diachin2@llnl.gov, djmelan@sandia.gov, mbrewer@sandia.gov,
00024     pknupp@sandia.gov, tleurent@mcs.anl.gov, tmunson@mcs.anl.gov
00025 
00026   ***************************************************************** */
00027 /*!
00028   \file   LaplacianSmoother.hpp
00029   \brief
00030 
00031   The LaplacianSmoother Class implements the Laplacian smoothing
00032   for a patch with one free vertex.
00033 
00034   \author Thomas Leurent
00035   \date   2002-01-17
00036 */
00037 
00038 #ifndef Mesquite_LaplacianSmoother_hpp
00039 #define Mesquite_LaplacianSmoother_hpp
00040 
00041 #include "Mesquite.hpp"
00042 #include "RelaxationSmoother.hpp"
00043 
00044 namespace MBMesquite
00045 {
00046 
00047 /*! \class LaplacianSmoother
00048   Moves free center vertex to the average of the neighboring vertices.
00049  */
00050 class LaplacianSmoother : public RelaxationSmoother
00051 {
00052   public:
00053     /**
00054      *\param OF ObjectiveFunction used by some termination criteria
00055      */
00056     MESQUITE_EXPORT LaplacianSmoother( ObjectiveFunction* OF = NULL ) : RelaxationSmoother( OF ) {}
00057 
00058     MESQUITE_EXPORT virtual ~LaplacianSmoother();
00059     MESQUITE_EXPORT virtual std::string get_name() const;
00060 
00061   protected:
00062     MESQUITE_EXPORT virtual void optimize_vertex_positions( PatchData& pd, MsqError& err );
00063 
00064   private:
00065     std::vector< size_t > adjVtxList;
00066 };
00067 }  // namespace MBMesquite
00068 
00069 #endif
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