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libmultiscale/src/filter/compute_mesh.cc
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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 "compute_interface.hh"
#include "compute_point_set.hh"
#include "container_mesh.hh"
#include "factory_multiscale.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 "lm_communicator.hh"
/* ----------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* ----------------------------------------------------------------------- */
ComputeMesh::ComputeMesh(const std::string &name)
: LMObject(name), FilterInterface() {
this->createInput("nodes");
this->createInput("connectivity");
this->createOutput("mesh");
}
/* ----------------------------------------------------------------------- */
ComputeMesh::~ComputeMesh() {}
/* ----------------------------------------------------------------------- */
void ComputeMesh::build_noargument() {
ComputePython compute(this->getID() + ":mesh_compute");
compute.setParam("FILENAME", this->filename);
compute.init();
compute.compute();
LM_TOIMPLEMENT;
}
/* ----------------------------------------------------------------------- */
template <typename Nodes, typename Connectivity>
void ComputeMesh::build(Nodes &nodes, Connectivity &connectivity) {
constexpr UInt Dim = Nodes::Dim;
using MeshType = ContainerGenericMesh<Dim>;
auto &output = allocOutput<MeshType>("mesh", this->getID());
// copy the nodes
auto &nds = output.getContainerNodes();
nds = nodes;
auto &els = output.getContainerElems();
els.clear();
auto nodes_per_elem = connectivity.getDim();
auto size = connectivity.size();
auto nb_elem = size / nodes_per_elem;
RefGenericElem<Dim> tmp_el;
for (UInt i = 0; i < nb_elem; ++i) {
Eigen::VectorXd conn(nodes_per_elem);
for (UInt j = 0; j < nodes_per_elem; ++j) {
conn[j] = UInt(connectivity[i * nodes_per_elem + j]);
tmp_el.setConnectivity(conn);
}
els.push_back(tmp_el);
}
}
/* -------------------------------------------------------------------------- */
/* LMDESC MESH
This compute generates an independent mesh from an input
containing points and a compute which contains connectivities.
*/
/* LMEXAMPLE COMPUTE pset MESH INPUT coords INPUT conn */
void ComputeMesh::declareParams() {
FilterInterface::declareParams();
/* LMKEYWORD FILENAME
Specify the python script to use to produce the mesh
*/
this->parseKeyword("FILENAME", this->filename, "");
}
/* -------------------------------------------------------------------------- */
void ComputeMesh::compute_make_call() {
try {
this->build<dispatch>(this->getInput("nodes"),
this->getInput("connectivity"));
} catch (Component::UnconnectedInput &e) {
this->build_noargument();
}
}
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__
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