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compute_mesh.cc
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/**
* @file compute_mesh.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jul 09 21:59:47 2014
*
* @brief This computes generate an independent mesh from points and
* connectivities provided as computes
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "communicator.hh"
#include "compute_interface.hh"
#include "compute_point_set.hh"
#include "lib_continuum.hh"
#include "lib_dd.hh"
#include "lib_dumper.hh"
#include "lib_filter.hh"
#include "lib_md.hh"
#include "lib_stimulation.hh"
#include "lm_common.hh"
#include "container_mesh.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
template <typename Cont> void ComputeMesh::build(Cont &cont) {
constexpr UInt Dim = Cont::Dim;
using MeshType = ContainerGenericMesh<Dim>;
auto & output = this->getCastedOutput<MeshType>();
// copy the nodes
auto &nds = output.getContainerNodes();
nds.clear();
RefPointData<Cont::Dim> tmp_nd;
for (UInt i = 0; i < cont.size(); ++i) {
tmp_nd = cont[i];
nds.add(tmp_nd);
}
// construct the connectivity
ComputeInterface *conn_ptr = dynamic_cast<ComputeInterface *>(
FilterManager::getManager().getObject(this->connectivity));
conn_ptr->build();
auto &els = output.getContainerElems();
els.clear();
RefGenericElem<Cont::Dim> tmp_el;
Real *_ptr = &((*conn_ptr)[0]);
for (UInt i = 0; i < conn_ptr->size() / this->nb_nodes_per_elem;
++i, _ptr += this->nb_nodes_per_elem) {
tmp_el.setConnectivity(_ptr, this->nb_nodes_per_elem);
els.add(tmp_el);
}
}
/* -------------------------------------------------------------------------- */
/* LMDESC MESH
This computes generate an independent mesh from a compute
which contains positions and a compute which contains connectivities.
*/
/* LMEXAMPLE COMPUTE pset MESH INPUT coords */
void ComputeMesh::declareParams() {
/* LMKEYWORD CONN
Specify the filter ID where the connectivity is stored
*/
this->parseKeyword("CONN", connectivity);
/* LMKEYWORD NB_NODES_PER_ELEM
Specify the number of nodes per elem
*/
this->parseKeyword("NB_NODES_PER_ELEM", nb_nodes_per_elem);
};
void ComputeMesh::compute_make_call() {
call_compute(*this, [&](auto &... args) { this->build(args...); },
this->getInput("input"));
}
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__

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