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252 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2006 Sandia National Laboratories. Developed at the
University of Wisconsin--Madison under SNL contract number
624796. The U.S. Government and the University of Wisconsin
retain certain rights to 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
(2006) [email protected]
***************************************************************** */
/** \file TargetWriter.cpp
* \brief
* \author Jason Kraftcheck
*/
#include "Mesquite.hpp"
#include "TargetWriter.hpp"
#include "TargetCalculator.hpp"
#include "WeightCalculator.hpp"
#include "MeshInterface.hpp"
#include "MsqMatrix.hpp"
#include "PatchData.hpp"
#include "PatchSet.hpp"
#include "MsqError.hpp"
#include "ElementPatches.hpp"
#include "ElemSampleQM.hpp"
#include <sstream>
namespace MBMesquite
{
TargetWriter::TargetWriter( TargetCalculator* tc,
WeightCalculator* wc,
std::string target_base_name,<--- Function parameter 'target_base_name' should be passed by const reference. [+]Parameter 'target_base_name' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++.
std::string weight_base_name )<--- Function parameter 'weight_base_name' should be passed by const reference. [+]Parameter 'weight_base_name' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++.
: targetCalc( tc ), weightCalc( wc ), targetName( target_base_name ), weightName( weight_base_name )
{
}
TargetWriter::~TargetWriter() {}
std::string TargetWriter::get_name() const
{
return "TargetWriter";
}
double TargetWriter::loop_over_mesh( MeshDomainAssoc* mesh_and_domain, const Settings* settings, MsqError& err )
{
Mesh* mesh = mesh_and_domain->get_mesh();
MeshDomain* domain = mesh_and_domain->get_domain();
PatchData patch;
patch.set_mesh( mesh );
patch.set_domain( domain );
if( settings ) patch.attach_settings( settings );
ElementPatches patch_set;
patch_set.set_mesh( mesh );
std::vector< PatchSet::PatchHandle > patches;
std::vector< PatchSet::PatchHandle >::iterator p;
std::vector< Mesh::VertexHandle > patch_verts;
std::vector< Mesh::ElementHandle > patch_elems;
patch_set.get_patch_handles( patches, err );
MSQ_ERRZERO( err );
std::vector< MsqMatrix< 3, 3 > > targets3d;
std::vector< MsqMatrix< 3, 2 > > targets2dorient;
std::vector< MsqMatrix< 2, 2 > > targets2d;
std::vector< double > weights;
std::vector< Sample > samples;
for( p = patches.begin(); p != patches.end(); ++p )
{
patch_verts.clear();
patch_elems.clear();
patch_set.get_patch( *p, patch_elems, patch_verts, err );
MSQ_ERRZERO( err );
patch.set_mesh_entities( patch_elems, patch_verts, err );
MSQ_ERRZERO( err );
assert( patch.num_elements() == 1 );
MsqMeshEntity& elem = patch.element_by_index( 0 );
EntityTopology type = elem.get_element_type();
patch.get_samples( 0, samples, err );
MSQ_ERRZERO( err );
if( samples.empty() ) continue;
if( targetCalc )
{
const unsigned dim = TopologyInfo::dimension( type );
if( dim == 3 )
{
targets3d.resize( samples.size() );
for( unsigned i = 0; i < samples.size(); ++i )
{
targetCalc->get_3D_target( patch, 0, samples[i], targets3d[i], err );
MSQ_ERRZERO( err );
if( DBL_EPSILON > det( targets3d[i] ) )
{
MSQ_SETERR( err )( "Inverted 3D target", MsqError::INVALID_ARG );
return 0.0;
}
}
TagHandle tag = get_target_tag( 3, samples.size(), mesh, err );
MSQ_ERRZERO( err );
mesh->tag_set_element_data( tag, 1, patch.get_element_handles_array(), arrptr( targets3d ), err );
MSQ_ERRZERO( err );
}
else if( targetCalc->have_surface_orient() )
{
targets2dorient.resize( samples.size() );
for( unsigned i = 0; i < samples.size(); ++i )
{
targetCalc->get_surface_target( patch, 0, samples[i], targets2dorient[i], err );
MSQ_ERRZERO( err );
MsqMatrix< 3, 1 > cross = targets2dorient[i].column( 0 ) * targets2dorient[i].column( 1 );
if( DBL_EPSILON > ( cross % cross ) )
{
MSQ_SETERR( err )( "Degenerate 2D target", MsqError::INVALID_ARG );
return 0.0;
}
}
TagHandle tag = get_target_tag( 2, samples.size(), mesh, err );
MSQ_ERRZERO( err );
mesh->tag_set_element_data( tag, 1, patch.get_element_handles_array(), arrptr( targets2dorient ), err );
MSQ_ERRZERO( err );
}
else
{
targets2d.resize( samples.size() );
for( unsigned i = 0; i < samples.size(); ++i )
{
targetCalc->get_2D_target( patch, 0, samples[i], targets2d[i], err );
MSQ_ERRZERO( err );
if( DBL_EPSILON > det( targets2d[i] ) )
{
MSQ_SETERR( err )( "Degenerate/Inverted 2D target", MsqError::INVALID_ARG );
return 0.0;
}
}
TagHandle tag = get_target_tag( 2, samples.size(), mesh, err );
MSQ_ERRZERO( err );
mesh->tag_set_element_data( tag, 1, patch.get_element_handles_array(), arrptr( targets2d ), err );
MSQ_ERRZERO( err );
}
}
if( weightCalc )
{
weights.resize( samples.size() );
for( unsigned i = 0; i < samples.size(); ++i )
{
weights[i] = weightCalc->get_weight( patch, 0, samples[i], err );
MSQ_ERRZERO( err );
}
TagHandle tag = get_weight_tag( samples.size(), mesh, err );
MSQ_ERRZERO( err );
mesh->tag_set_element_data( tag, 1, patch.get_element_handles_array(), arrptr( weights ), err );
MSQ_ERRZERO( err );
}
}
return 0.0;
}
TagHandle TargetWriter::get_target_tag( unsigned dim, unsigned count, Mesh* mesh, MsqError& err )
{
if( dim == 2 && !targetCalc->have_surface_orient() )
count *= 4;
else
count *= 3 * dim; // num doubles
if( targetTags.size() <= count ) targetTags.resize( count + 1, 0 );
if( !targetTags[count] )
{
targetTags[count] = get_tag_handle( targetName, count, mesh, err );
if( MSQ_CHKERR( err ) )
{
targetTags[count] = 0;
return 0;
}
}
return targetTags[count];
}
TagHandle TargetWriter::get_weight_tag( unsigned count, Mesh* mesh, MsqError& err )
{
if( weightTags.size() <= count ) weightTags.resize( count + 1, 0 );
if( !weightTags[count] )
{
weightTags[count] = get_tag_handle( weightName, count, mesh, err );
if( MSQ_CHKERR( err ) )
{
weightTags[count] = 0;
return 0;
}
}
return weightTags[count];
}
TagHandle TargetWriter::get_tag_handle( const std::string& base_name, unsigned num_dbl, Mesh* mesh, MsqError& err )
{
std::ostringstream sstr;
sstr << base_name << num_dbl;
TagHandle handle = mesh->tag_get( sstr.str().c_str(), err );
if( !MSQ_CHKERR( err ) )
{
std::string temp_name;
Mesh::TagType temp_type;
unsigned temp_length;
mesh->tag_properties( handle, temp_name, temp_type, temp_length, err );
MSQ_ERRZERO( err );
if( temp_type != Mesh::DOUBLE || temp_length != num_dbl )
{
MSQ_SETERR( err )
( MsqError::TAG_ALREADY_EXISTS, "Mismatched type or length for existing tag \"%s\"", sstr.str().c_str() );
}
}
else if( err.error_code() == MsqError::TAG_NOT_FOUND )
{
err.clear();
handle = mesh->tag_create( sstr.str().c_str(), Mesh::DOUBLE, num_dbl, 0, err );
MSQ_ERRZERO( err );
}
return handle;
}
void TargetWriter::initialize_queue( MeshDomainAssoc*, const Settings*, MsqError& ) {}
} // namespace MBMesquite
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