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reader_restart.cc
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Thu, Nov 14, 03:10

reader_restart.cc
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/**
* @file reader_restart.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date creation: Thu Mar 11 2010
* @date last modification: Thu Nov 01 2012
*
* @brief implementation for the restart reader
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* IOHelper 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 3 of the License, or (at your option) any
* later version.
*
* IOHelper 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
* along with IOHelper. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <iomanip>
#include "reader_restart.hh"
#include "file_manager.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_IOHELPER__
void ReaderRestart::Read(){
stringstream temp;
File file;
string line;
stringstream buffer;
UInt tmp;
/* node coordinates */
temp << prefix << "/" << base_name << "-coordinates-" << std::setfill('0') << std::setw(4) << dump_step << ".restart";
// file.open(temp.str(),std::ios_base::in | std::ios_base::binary,flag_compressed);
file >> tmp;
position->setNbDof(tmp);
file >> tmp;
position->setDim(tmp);
position->AllocateData();
double * ptr_pos = position->getData();
file.read((char*)ptr_pos,position->getNbDof()*position->getDim()*sizeof(double));
file.close();
/* nodal data */
{
std::map<std::string,Field<double> *>::iterator it = per_node_data.begin();
std::map<std::string,Field<double> *>::iterator end = per_node_data.end();
while (it != end){
temp.str(std::string());
temp << prefix << "/" << base_name << "-" << (*it).second->getName() << "-" << std::setfill('0') << std::setw(4) << dump_step << ".restart";
// file.open(temp.str(),fstream::in | fstream::binary ,flag_compressed);
Field<double> * ptr_field = (*it).second;
file >> tmp;
ptr_field->setNbDof(tmp);
file >> tmp;
ptr_field->setDim(tmp);
if (ptr_field->getNbDof() != position->getNbDof())
DUMP("number of degree of freedom of " << ptr_field->name
<< " does not match that one of positions field");
ptr_field->AllocateData();
double * ptr = ptr_field->getData();
file.read((char*)ptr,ptr_field->getNbDof()*ptr_field->getDim()*sizeof(double));
file.close();
++it;
}
}
/* if only collection of points do not dump any element data */
if (elem_type == POINT_SET) return;
/* connectivity */
temp.str(std::string());
temp << prefix << "/" << base_name << "-connectivity-" << std::setfill('0') << std::setw(4) << dump_step << ".restart";
// file.open(temp.str(),fstream::in | fstream::binary,flag_compressed);
unsigned int offset;
offset = nb_node_per_elem[elem_type];
file >> tmp;
connec->setNbDof(tmp);
file >> tmp;
connec->setDim(tmp);
if (offset != connec->getDim())
FATAL("It appears that you are trying to reload a different kind of element !");
connec->AllocateData();
file.read((char*)connec->getData(),connec->getNbDof()*connec->getDim()*sizeof(int));
file.close();
/* element data */
{
std::map<std::string,Field<double> *>::iterator it = per_element_data.begin();
std::map<std::string,Field<double> *>::iterator end = per_element_data.end();
while (it != end){
temp.str(std::string());
temp << prefix << "/" << base_name << "-" << (*it).second->getName() << "-" << std::setfill('0') << std::setw(4) << dump_step << ".restart";
// file.open(temp.str(),fstream::in | fstream::binary,flag_compressed);
Field<double> * ptr_field = (*it).second;
file >> tmp;
ptr_field->setNbDof(tmp);
file >> tmp;
ptr_field->setDim(tmp);
if (ptr_field->getNbDof() != position->getNbDof())
DUMP("number of degree of freedom of " << ptr_field->name
<< " does not match that one of connectivity field");
ptr_field->AllocateData();
double * ptr = ptr_field->getData();
file.read((char*)ptr,ptr_field->getNbDof()*ptr_field->getDim()*sizeof(double));
file.close();
++it;
}
}
++dump_step;
}
__END_IOHELPER__

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