MOAB: Mesh Oriented datABase  (version 5.3.1)
RefMeshTargetCalculator.cpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2006 Sandia National Laboratories.  Developed at the
00005     University of Wisconsin--Madison under SNL contract number
00006     624796.  The U.S. Government and the University of Wisconsin
00007     retain certain rights to 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     (2006) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file RefMeshTargetCalculator.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "RefMeshTargetCalculator.hpp"
00034 #include "PatchData.hpp"
00035 #include "MsqError.hpp"
00036 #include "ReferenceMesh.hpp"
00037 #include "ElemSampleQM.hpp"
00038 
00039 namespace MBMesquite
00040 {
00041 
00042 RefMeshTargetCalculator::~RefMeshTargetCalculator() {}
00043 
00044 bool RefMeshTargetCalculator::get_3D_target( PatchData& pd, size_t element, Sample sample, MsqMatrix< 3, 3 >& W_out,
00045                                              MsqError& err )
00046 {
00047     get_refmesh_Jacobian_3D( refMesh, pd, element, sample, W_out, err );
00048     return !MSQ_CHKERR( err );
00049 }
00050 
00051 bool RefMeshTargetCalculator::get_surface_target( PatchData& pd, size_t element, Sample sample,
00052                                                   MsqMatrix< 3, 2 >& W_out, MsqError& err )
00053 {
00054     get_refmesh_Jacobian_2D( refMesh, pd, element, sample, W_out, err );
00055     return !MSQ_CHKERR( err );
00056 }
00057 
00058 bool RefMeshTargetCalculator::get_2D_target( PatchData& pd, size_t element, Sample sample, MsqMatrix< 2, 2 >& W_out,
00059                                              MsqError& err )
00060 {
00061     MsqMatrix< 3, 2 > W_orient;
00062     bool valid = get_surface_target( pd, element, sample, W_orient, err );
00063     if( MSQ_CHKERR( err ) || !valid ) return false;
00064 
00065     MsqMatrix< 3, 2 > V;
00066     MsqMatrix< 2, 2 > Q, delta;
00067     double lambda;
00068     valid = factor_surface( W_orient, lambda, V, Q, delta, err );
00069     W_out = lambda * Q * delta;
00070     return !MSQ_CHKERR( err ) && valid;
00071 }
00072 
00073 }  // namespace MBMesquite
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