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hdf5_mesh.cpp
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Sun, Jan 26, 10:43

hdf5_mesh.cpp
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/*------------------------------------------------------------------------------
Copyright (c)2015 F. Georget <fabieng@princeton.edu>, Princeton University
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
------------------------------------------------------------------------------*/
#include "hdf5_mesh.hpp"
#include "../meshes/mesh1d.hpp"
#include <H5Cpp.h>
#include "../../utils/io/specmicp_hdf5.hpp"
#include "../../utils/io/hdf5_eigen.hpp"
#define COORDINATES_DSET "coordinates"
namespace specmicp {
namespace io {
namespace internal {
//! \brief Implementation of mesh saver in HDF5 format
//!
//! \internal
class SPECMICP_DLL_PUBLIC MeshHDF5Saver
{
public:
MeshHDF5Saver(mesh::Mesh1DPtr the_mesh):
m_mesh(the_mesh)
{}
void save_mesh_coordinates(
HDF5File& file,
const std::string& name,
const std::string& section
);
private:
mesh::Mesh1DPtr m_mesh;
};
} //end namespace internal
void save_mesh_coordinates(
HDF5File& file,
const std::string& name,
const std::string& section,
mesh::Mesh1DPtr the_mesh
)
{
internal::MeshHDF5Saver saver(the_mesh);
saver.save_mesh_coordinates(file, name, section);
}
// Implementation
// ==============
namespace internal {
void MeshHDF5Saver::save_mesh_coordinates(
HDF5File& file,
const std::string& name,
const std::string& section)
{
auto group_name = file.complete_name(name, section);
auto group = file.create_group(group_name);
hsize_t dims[] = {static_cast<hsize_t>(m_mesh->nb_nodes())};
auto fspace = H5::DataSpace(1, dims);
auto plist = H5::DSetCreatPropList();
auto dataset = file.create_dataset(COORDINATES_DSET, group_name,
H5::PredType::NATIVE_DOUBLE,
fspace, plist);
//! \brief Try without creation of temporary ?
std::vector<scalar_t> coords(m_mesh->nb_nodes());
for (auto node: m_mesh->range_nodes())
{
coords[node] = m_mesh->get_position(node);
}
dataset->write(coords.data(), H5::PredType::NATIVE_DOUBLE, fspace);
}
} //end namespace internal
} //end namespace io
} //end namespace specmicp

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