MOAB: Mesh Oriented datABase  (version 5.2.1)
ObjectiveFunctionTemplate.cpp
Go to the documentation of this file.
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 ObjectiveFunctionTemplate.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "ObjectiveFunctionTemplate.hpp"
00034 #include "QualityMetric.hpp"
00035 #include "MsqError.hpp"
00036 #include "MsqHessian.hpp"
00037 #include "PatchData.hpp"
00038 #include "ElementPatches.hpp"
00039 #include "VertexPatches.hpp"
00040 #include "PatchIterator.hpp"
00041 #include <memory>
00042 
00043 namespace MBMesquite
00044 {
00045 
00046 ObjectiveFunctionTemplate::~ObjectiveFunctionTemplate() {}
00047 
00048 void ObjectiveFunctionTemplate::initialize_queue( MeshDomainAssoc* mesh_and_domain, const Settings* settings,
00049                                                   MsqError& err )
00050 {
00051     qualityMetric->initialize_queue( mesh_and_domain, settings, err );MSQ_ERRRTN( err );
00052 }
00053 
00054 bool ObjectiveFunctionTemplate::initialize_block_coordinate_descent( MeshDomainAssoc* mesh_and_domain,
00055                                                                      const Settings* settings, PatchSet*,
00056                                                                      MsqError& err )
00057 {
00058     std::auto_ptr< PatchSet > patch_set;
00059     switch( get_quality_metric()->get_metric_type() )
00060     {
00061         case QualityMetric::VERTEX_BASED:
00062             patch_set = std::auto_ptr< PatchSet >( new VertexPatches( 1, false ) );
00063             break;
00064         case QualityMetric::ELEMENT_BASED:
00065             patch_set = std::auto_ptr< PatchSet >( new ElementPatches );
00066             break;
00067         default:
00068             MSQ_SETERR( err )
00069             ( "Cannot initialize for BCD for unknown metric type", MsqError::INVALID_STATE );
00070             return false;
00071     }
00072 
00073     Mesh* mesh         = mesh_and_domain->get_mesh();
00074     MeshDomain* domain = mesh_and_domain->get_domain();
00075 
00076     clear();
00077     patch_set->set_mesh( mesh );
00078     PatchIterator patches( patch_set.get() );
00079 
00080     PatchData pd;
00081     pd.set_mesh( mesh );
00082     pd.set_domain( domain );
00083     if( settings ) pd.attach_settings( settings );
00084 
00085     bool result = true;
00086     while( patches.get_next_patch( pd, err ) && !MSQ_CHKERR( err ) )
00087     {
00088         double value;
00089         bool b = evaluate( ObjectiveFunction::ACCUMULATE, pd, value, false, err );
00090         MSQ_ERRZERO( err );
00091         result = result && b;
00092     }
00093     return result;
00094 }
00095 
00096 int ObjectiveFunctionTemplate::min_patch_layers() const
00097 {
00098     if( !get_quality_metric() )
00099         return 0;
00100     else if( get_quality_metric()->get_metric_type() == QualityMetric::VERTEX_BASED )
00101         return 2;
00102     else
00103         return 1;
00104 }
00105 
00106 }  // namespace MBMesquite
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines