xdmf_mesh.h

// Copyright (C) 2012-2018 Chris N. Richardson and Garth N. Wells
//
// This file is part of DOLFINx (https://www.fenicsproject.org)
//
// SPDX-License-Identifier:    LGPL-3.0-or-later
 
#pragma once
 
#include <hdf5.h>
#include <mpi.h>
#include <string>
#include <xtensor/xtensor.hpp>
#include <xtl/xspan.hpp>
 
namespace pugi
{
class xml_node;
} // namespace pugi
 
namespace dolfinx
{
 
namespace mesh
{
class Geometry;
class Mesh;
class Topology;
} // namespace mesh
 
namespace io::xdmf_mesh
{
 
void add_mesh(MPI_Comm comm, pugi::xml_node& xml_node, const hid_t h5_id,
              const mesh::Mesh& mesh, const std::string path_prefix);
 
void add_topology_data(MPI_Comm comm, pugi::xml_node& xml_node,
                       const hid_t h5_id, const std::string path_prefix,
                       const mesh::Topology& topology,
                       const mesh::Geometry& geometry, int cell_dim,
                       const xtl::span<const std::int32_t>& entities);
 
void add_geometry_data(MPI_Comm comm, pugi::xml_node& xml_node,
                       const hid_t h5_id, const std::string path_prefix,
                       const mesh::Geometry& geometry);
 
xt::xtensor<double, 2> read_geometry_data(MPI_Comm comm, const hid_t h5_id,
                                          const pugi::xml_node& node);
 
xt::xtensor<std::int64_t, 2> read_topology_data(MPI_Comm comm,
                                                const hid_t h5_id,
                                                const pugi::xml_node& node);
 
} // namespace io::xdmf_mesh
} // namespace dolfinx