laplacian.cpp

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/* *****************************************************************
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2004 Sandia Corporation and Argonne National
    Laboratory.  Under the terms of Contract DE-AC04-94AL85000
    with Sandia Corporation, the U.S. Government retains certain
    rights in this software.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    (lgpl.txt) along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    diachin2@llnl.gov, djmelan@sandia.gov, mbrewer@sandia.gov,
    pknupp@sandia.gov, tleurent@mcs.anl.gov, tmunson@mcs.anl.gov

  ***************************************************************** */
// -*- Mode : c++; tab-width: 3; c-tab-always-indent: t; indent-tabs-mode: nil; c-basic-offset: 3
// -*-
//
//   SUMMARY:
//     USAGE:
//
// ORIG-DATE: 19-Feb-02 at 10:57:52
//  LAST-MOD: 14-Nov-02 at 17:33:19 by Thomas Leurent
//
//
// DESCRIPTION:
// ============
/*! \file main.cpp

describe main.cpp here

 */
// DESCRIP-END.
//

#include "TestUtil.hpp"

#include "Mesquite.hpp"
#include "MeshImpl.hpp"
#include "MsqError.hpp"
#include "PlanarDomain.hpp"
// algorythms
#include "LaplaceWrapper.hpp"

#include <iostream>
using std::cout;
using std::endl;
#include <cstdlib>

using namespace MBMesquite;

int main()
{
    MBMesquite::MeshImpl mesh;
    MsqPrintError err( cout );
    std::string file_name = TestDir + "unittest/mesquite/2D/vtk/quads/untangled/square_quad_2.vtk";
    mesh.read_vtk( file_name.c_str(), err );
    if( err ) return 1;

    // create geometry: plane z=0, normal (0,0,1)
    Vector3D pnt( 0, 0, 5 );
    Vector3D s_norm( 0, 0, 1 );
    MBMesquite::PlanarDomain msq_geom( s_norm, pnt );

    // creates an intruction queue
    LaplaceWrapper laplacian_smoother;

    mesh.write_vtk( "original_mesh.vtk", err );
    if( err ) return 1;

    // launches optimization on mesh_set1
    MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
    laplacian_smoother.run_instructions( &mesh_and_domain, err );
    if( err ) return 1;

    mesh.write_vtk( "smoothed_mesh.vtk", err );
    if( err ) return 1;
}