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289 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2006 Lawrence Livermore National Laboratory. Under
the terms of Contract B545069 with the University of Wisconsin --
Madison, Lawrence Livermore National Laboratory 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
(2006) [email protected]
***************************************************************** */
/** \file TargetReader.cpp
* \brief
* \author Jason Kraftcheck
*/
#include "Mesquite.hpp"
#include "TargetReader.hpp"
#include "PatchData.hpp"
#include "MsqError.hpp"
#include "MsqMatrix.hpp"
#include "ElemSampleQM.hpp"
#include <sstream>
namespace MBMesquite
{
static TagHandle get_tag( Mesh* mesh,
unsigned num_matrices,
unsigned dimension,
const char* base_name,
bool orient_surface,
MsqError& err )
{
unsigned matrix_size;
if( dimension == 2 && !orient_surface )
matrix_size = 4;
else
matrix_size = dimension * 3;
unsigned num_doubles = num_matrices * matrix_size;
std::ostringstream str;
str << base_name << num_doubles;
TagHandle handle = mesh->tag_get( str.str().c_str(), err );
MSQ_ERRZERO( err );
// check tag type
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_doubles )
{
MSQ_SETERR( err )
( MsqError::TAG_ALREADY_EXISTS, "Mismatched type or length for existing tag \"%s\"", str.str().c_str() );
}
return handle;
}
TargetReader::TargetReader( bool orient2d, std::string name ) : tagBaseName( name ), orient2D( orient2d ) {}<--- Function parameter 'name' should be passed by const reference. [+]Parameter 'name' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++.
TargetReader::~TargetReader() {}
bool TargetReader::get_3D_target( PatchData& pd,
size_t element,
Sample sample,
MsqMatrix< 3, 3 >& W_out,
MsqError& err )
{
// calculate index of sample in array
NodeSet all_samples = pd.get_samples( element );
unsigned offset = all_samples.num_before( sample );
int dim = TopologyInfo::dimension( pd.element_by_index( element ).get_element_type() );
if( dim == 2 )
{
MSQ_SETERR( err )
( "Attempt to read 3D target for surface element", MsqError::INVALID_STATE );
return false;
}
TargetReaderData& data = get_data( pd );
if( !data.targets3D.empty() && data.elementIndex == element )
{
assert( offset < data.targets3D.size() );
W_out = data.targets3D[offset];
return true;
}
const unsigned num_samples = all_samples.num_nodes();
const unsigned handle_idx = num_samples - 1;
// get the tag handle
const size_t INVALID_HANDLE = (size_t)-1;
if( data.handles3D.size() <= handle_idx ) data.handles3D.resize( handle_idx + 1, (TagHandle)INVALID_HANDLE );
TagHandle& tag_handle = data.handles3D[handle_idx];
if( tag_handle == (TagHandle)INVALID_HANDLE )
{
tag_handle = get_tag( pd.get_mesh(), num_samples, 3, tagBaseName.c_str(), orient2D, err );
MSQ_ERRZERO( err );
assert( tag_handle != (TagHandle)INVALID_HANDLE );
}
// get the tag data
data.targets3D.resize( num_samples );
pd.get_mesh()->tag_get_element_data( tag_handle, 1, pd.get_element_handles_array() + element, &data.targets3D[0],
err );
if( MSQ_CHKERR( err ) )
{
data.targets3D.clear();
return false;
}
data.elementIndex = element;
W_out = data.targets3D[offset];
return true;
}
bool TargetReader::get_2D_target( PatchData& pd,
size_t element,
Sample sample,
MsqMatrix< 2, 2 >& W_out,
MsqError& err )
{
// which type of 2D target do we actually have
if( orient2D )
{
MSQ_SETERR( err )( "Incorrect surface mesh target type", MsqError::INTERNAL_ERROR );
return false;
}
// calculate index of sample in array
NodeSet all_samples = pd.get_samples( element );
unsigned offset = all_samples.num_before( sample );
int dim = TopologyInfo::dimension( pd.element_by_index( element ).get_element_type() );
if( dim == 3 )
{
MSQ_SETERR( err )
( "Attempt to read surface target for region element", MsqError::INVALID_STATE );
return false;
}
TargetReaderData& data = get_data( pd );
if( !data.targets2D.empty() && data.elementIndex == element )
{
assert( offset < data.targets2D.size() );
W_out = data.targets2D[offset];
return true;
}
const unsigned num_samples = all_samples.num_nodes();
const unsigned handle_idx = num_samples - 1;
// get the tag handle
const size_t INVALID_HANDLE = (size_t)-1;
if( data.handles2D.size() <= handle_idx ) data.handles2D.resize( handle_idx + 1, (TagHandle)INVALID_HANDLE );
TagHandle& tag_handle = data.handles2D[handle_idx];
if( tag_handle == (TagHandle)INVALID_HANDLE )
{
tag_handle = get_tag( pd.get_mesh(), num_samples, 2, tagBaseName.c_str(), orient2D, err );
MSQ_ERRZERO( err );
assert( tag_handle != (TagHandle)INVALID_HANDLE );
}
// get the tag data
data.targets2D.resize( num_samples );
pd.get_mesh()->tag_get_element_data( tag_handle, 1, pd.get_element_handles_array() + element, &data.targets2D[0],
err );
if( MSQ_CHKERR( err ) )
{
data.targets2D.clear();
return false;
}
data.elementIndex = element;
W_out = data.targets2D[offset];
return true;
}
bool TargetReader::get_surface_target( PatchData& pd,
size_t element,
Sample sample,
MsqMatrix< 3, 2 >& W_out,
MsqError& err )
{
// which type of 2D target do we actually have
if( !orient2D )
{
MSQ_SETERR( err )( "Incorrect surface mesh target type", MsqError::INTERNAL_ERROR );
return false;
}
// calculate index of sample in array
NodeSet all_samples = pd.get_samples( element );
unsigned offset = all_samples.num_before( sample );
int dim = TopologyInfo::dimension( pd.element_by_index( element ).get_element_type() );
if( dim == 3 )
{
MSQ_SETERR( err )
( "Attempt to read surface target for region element", MsqError::INVALID_STATE );
return false;
}
TargetReaderData& data = get_data( pd );
if( !data.targetsSurface.empty() && data.elementIndex == element )
{
assert( offset < data.targetsSurface.size() );
W_out = data.targetsSurface[offset];
return true;
}
const unsigned num_samples = all_samples.num_nodes();
const unsigned handle_idx = num_samples - 1;
// get the tag handle
const size_t INVALID_HANDLE = (size_t)-1;
if( data.handles2D.size() <= handle_idx ) data.handles2D.resize( handle_idx + 1, (TagHandle)INVALID_HANDLE );
TagHandle& tag_handle = data.handles2D[handle_idx];
if( tag_handle == (TagHandle)INVALID_HANDLE )
{
tag_handle = get_tag( pd.get_mesh(), num_samples, 2, tagBaseName.c_str(), orient2D, err );
MSQ_ERRZERO( err );
assert( tag_handle != (TagHandle)INVALID_HANDLE );
}
// get the tag data
data.targetsSurface.resize( num_samples );
pd.get_mesh()->tag_get_element_data( tag_handle, 1, pd.get_element_handles_array() + element,
&data.targetsSurface[0], err );
if( MSQ_CHKERR( err ) )
{
data.targetsSurface.clear();
return false;
}
data.elementIndex = element;
W_out = data.targetsSurface[offset];
return true;
}
void TargetReader::notify_patch_destroyed( TargetReaderData& data )
{
data.handles2D.clear();
data.handles3D.clear();
data.targets3D.clear();
data.targets2D.clear();
data.targetsSurface.clear();
}
void TargetReader::notify_new_patch( PatchData&, TargetReaderData& data )
{
data.targets3D.clear();
data.targets2D.clear();
data.targetsSurface.clear();
}
void TargetReader::notify_sub_patch( PatchData& /*pd*/,
TargetReaderData& data,
PatchData& subpatch,
const size_t*,
const size_t*,
MsqError& /*err*/ )
{
TargetReaderData& other = get_data( subpatch );
if( other.handles2D.empty() && other.handles3D.empty() )
{
other.handles2D = data.handles2D;
other.handles3D = data.handles3D;
}
}
} // namespace MBMesquite
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