MOAB: Mesh Oriented datABase  (version 5.2.1)
ElementQM.cpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2006 Lawrence Livermore National Laboratory.  Under
00005     the terms of Contract B545069 with the University of Wisconsin --
00006     Madison, Lawrence Livermore National Laboratory 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     (2006) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file ElementQM.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "ElementQM.hpp"
00034 #include "PatchData.hpp"
00035 
00036 namespace MBMesquite
00037 {
00038 
00039 ElementQM::~ElementQM() {}
00040 
00041 void ElementQM::get_evaluations( PatchData& pd, std::vector< size_t >& handles, bool free_vertices_only, MsqError& err )
00042 {
00043     get_element_evaluations( pd, handles, free_vertices_only, err );
00044 }
00045 
00046 void ElementQM::get_element_evaluations( PatchData& pd, std::vector< size_t >& handles, bool free_vertices_only,
00047                                          MsqError& /*err*/ )
00048 {
00049     size_t num_elem = pd.num_elements();
00050     if( !free_vertices_only )
00051     {
00052         handles.resize( num_elem );
00053         for( size_t i = 0; i < num_elem; ++i )
00054             handles[i] = i;
00055         return;
00056     }
00057 
00058     handles.clear();
00059     for( size_t i = 0; i < num_elem; ++i )
00060     {
00061         // check if element has any free vertices
00062         MsqMeshEntity& elem = pd.element_by_index( i );
00063         unsigned num_vtx    = elem.node_count();
00064         size_t* vtx         = elem.get_vertex_index_array();
00065         unsigned j;
00066         for( j = 0; j < num_vtx && vtx[j] >= pd.num_free_vertices(); ++j )
00067             ;
00068         if( j < num_vtx ) handles.push_back( i );
00069     }
00070 }
00071 
00072 bool ElementQM::evaluate_with_indices( PatchData& pd, size_t handle, double& value, std::vector< size_t >& indices,
00073                                        MsqError& err )
00074 {
00075     const MsqMeshEntity& elem = pd.element_by_index( handle );
00076     const size_t* vtx         = elem.get_vertex_index_array();
00077     const unsigned n          = elem.vertex_count();
00078     indices.clear();
00079     for( unsigned i = 0; i < n; ++i )
00080         if( vtx[i] < pd.num_free_vertices() ) indices.push_back( vtx[i] );
00081 
00082     bool rval = evaluate( pd, handle, value, err );
00083     return !MSQ_CHKERR( err ) && rval;
00084 }
00085 
00086 }  // namespace MBMesquite
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