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rAKA/src/mesh/element_group.cc
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element_group.cc
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/**
* @file element_group.cc
*
* @author Dana Christen <dana.christen@gmail.com>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri May 03 2013
* @date last modification: Fri Sep 05 2014
*
* @brief Stores information relevent to the notion of domain boundary and surfaces.
*
* @section LICENSE
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <sstream>
#include <algorithm>
#include <iterator>
#include "mesh.hh"
#include "group_manager_inline_impl.cc"
#include "dumpable_inline_impl.hh"
#include "aka_csr.hh"
#include "mesh_utils.hh"
#include "element_group.hh"
#if defined(AKANTU_USE_IOHELPER)
# include "dumper_paraview.hh"
#endif
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
ElementGroup::ElementGroup(const std::string & group_name,
const Mesh & mesh,
NodeGroup & node_group,
UInt dimension,
const std::string & id,
const MemoryID & mem_id) :
Memory(id, mem_id),
mesh(mesh),
name(group_name),
elements("elements", id, mem_id),
node_group(node_group),
dimension(dimension) {
AKANTU_DEBUG_IN();
#if defined(AKANTU_USE_IOHELPER)
this->registerDumper<DumperParaview>("paraview_" + group_name, group_name, true);
this->addDumpFilteredMesh(mesh, elements, node_group.getNodes(), dimension);
#endif
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void ElementGroup::empty() {
elements.free();
}
/* -------------------------------------------------------------------------- */
void ElementGroup::append(const ElementGroup & other_group) {
AKANTU_DEBUG_IN();
node_group.append(other_group.node_group);
/// loop on all element types in all dimensions
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
type_iterator it = other_group.firstType(_all_dimensions,
ghost_type,
_ek_not_defined);
type_iterator last = other_group.lastType(_all_dimensions,
ghost_type,
_ek_not_defined);
for (; it != last; ++it) {
ElementType type = *it;
const Array<UInt> & other_elem_list = other_group.elements(type, ghost_type);
UInt nb_other_elem = other_elem_list.getSize();
Array<UInt> * elem_list;
UInt nb_elem = 0;
/// create current type if doesn't exists, otherwise get information
if (elements.exists(type, ghost_type)) {
elem_list = &elements(type, ghost_type);
nb_elem = elem_list->getSize();
}
else {
elem_list = &(elements.alloc(0, 1, type, ghost_type));
}
/// append new elements to current list
elem_list->resize(nb_elem + nb_other_elem);
std::copy(other_elem_list.begin(),
other_elem_list.end(),
elem_list->begin() + nb_elem);
/// remove duplicates
std::sort(elem_list->begin(), elem_list->end());
Array<UInt>::iterator<> end = std::unique(elem_list->begin(), elem_list->end());
elem_list->resize(end - elem_list->begin());
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void ElementGroup::printself(std::ostream & stream, int indent) const {
std::string space;
for(Int i = 0; i < indent; i++, space += AKANTU_INDENT);
stream << space << "ElementGroup [" << std::endl;
stream << space << " + name: " << name << std::endl;
stream << space << " + dimension: " << dimension << std::endl;
elements.printself(stream, indent + 1);
node_group.printself(stream, indent + 1);
stream << "]" << std::endl;
}
/* -------------------------------------------------------------------------- */
void ElementGroup::optimize() {
// increasing the locality of data when iterating on the element of a group
for (ghost_type_t::iterator gt = ghost_type_t::begin(); gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
ElementList::type_iterator it = elements.firstType(_all_dimensions, ghost_type);
ElementList::type_iterator last = elements.lastType(_all_dimensions, ghost_type);
for (; it != last; ++it) {
Array<UInt> & els = elements(*it, ghost_type);
std::sort(els.begin(), els.end());
Array<UInt>::iterator<> end = std::unique(els.begin(), els.end());
els.resize(end - els.begin());
}
}
node_group.optimize();
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
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