MOAB: Mesh Oriented datABase  (version 5.2.1)
laplacian.cpp
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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 // -*- Mode : c++; tab-width: 3; c-tab-always-indent: t; indent-tabs-mode: nil; c-basic-offset: 3
00028 // -*-
00029 //
00030 //   SUMMARY:
00031 //     USAGE:
00032 //
00033 // ORIG-DATE: 19-Feb-02 at 10:57:52
00034 //  LAST-MOD: 14-Nov-02 at 17:33:19 by Thomas Leurent
00035 //
00036 //
00037 // DESCRIPTION:
00038 // ============
00039 /*! \file main.cpp
00040 
00041 describe main.cpp here
00042 
00043  */
00044 // DESCRIP-END.
00045 //
00046 
00047 #include "TestUtil.hpp"
00048 
00049 #include "Mesquite.hpp"
00050 #include "MeshImpl.hpp"
00051 #include "MsqError.hpp"
00052 #include "PlanarDomain.hpp"
00053 // algorythms
00054 #include "LaplaceWrapper.hpp"
00055 
00056 #include <iostream>
00057 using std::cout;
00058 using std::endl;
00059 #include <cstdlib>
00060 
00061 using namespace MBMesquite;
00062 
00063 int main()
00064 {
00065     MBMesquite::MeshImpl mesh;
00066     MsqPrintError err( cout );
00067     std::string file_name = TestDir + "/2D/vtk/quads/untangled/square_quad_2.vtk";
00068     mesh.read_vtk( file_name.c_str(), err );
00069     if( err ) return 1;
00070 
00071     // create geometry: plane z=0, normal (0,0,1)
00072     Vector3D pnt( 0, 0, 5 );
00073     Vector3D s_norm( 0, 0, 1 );
00074     MBMesquite::PlanarDomain msq_geom( s_norm, pnt );
00075 
00076     // creates an intruction queue
00077     LaplaceWrapper laplacian_smoother;
00078 
00079     mesh.write_vtk( "original_mesh.vtk", err );
00080     if( err ) return 1;
00081 
00082     // launches optimization on mesh_set1
00083     MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
00084     laplacian_smoother.run_instructions( &mesh_and_domain, err );
00085     if( err ) return 1;
00086 
00087     mesh.write_vtk( "smoothed_mesh.vtk", err );
00088     if( err ) return 1;
00089 }
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