/usr/include/dolfin/mesh/MeshDomains.h is in libdolfin1.0-dev 1.0.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | // Copyright (C) 2011 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN 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.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2011-08-29
// Last changed: 2011-09-27
#ifndef __MESH_DOMAINS_H
#define __MESH_DOMAINS_H
#include <vector>
#include <boost/shared_ptr.hpp>
#include <dolfin/common/types.h>
namespace dolfin
{
// Forward declarations
class Mesh;
template <typename T> class MeshFunction;
template <typename T> class MeshValueCollection;
/// The class _MeshDomains_ stores the division of a _Mesh_ into
/// subdomains. For each topological dimension 0 <= d <= D, where D
/// is the topological dimension of the _Mesh_, a set of integer
/// markers are stored for a subset of the entities of dimension d,
/// indicating for each entity in the subset the number of the
/// subdomain. It should be noted that the subset does not need to
/// contain all entities of any given dimension; entities not
/// contained in the subset are "unmarked".
class MeshDomains
{
public:
/// Create empty mesh domains
MeshDomains();
/// Destructor
~MeshDomains();
/// Return maximal topological dimension of stored markers
uint dim() const;
/// Return number of marked entities of given dimension
uint num_marked(uint dim) const;
/// Check whether domain data is empty
bool is_empty() const;
/// Get subdomain markers for given dimension
MeshValueCollection<unsigned int>& markers(uint dim);
/// Get subdomain markers for given dimension (const version)
const MeshValueCollection<unsigned int>& markers(uint dim) const;
/// Get subdomain markers for given dimension (shared pointer version)
boost::shared_ptr<MeshValueCollection<unsigned int> >
markers_shared_ptr(uint dim);
/// Get subdomain markers for given dimension (const shared pointer version)
boost::shared_ptr<const MeshValueCollection<unsigned int> >
markers_shared_ptr(uint dim) const;
/// Get cell domains. This function computes the mesh function
/// corresponding to markers of dimension D. The mesh function is
/// cached for later access and will be computed on the first call
/// to this function.
boost::shared_ptr<const MeshFunction<unsigned int> >
cell_domains(const Mesh& mesh) const;
/// Get facet domains. This function computes the mesh function
/// corresponding to markers of dimension D-1. The mesh function
/// is cached for later access and will be computed on the first
/// call to this function.
boost::shared_ptr<const MeshFunction<unsigned int> >
facet_domains(const Mesh& mesh) const;
/// Initialize mesh domains for given topological dimension
void init(uint dim);
/// Clear all data
void clear();
private:
// Initialize mesh function corresponding to markers
void init_domains(MeshFunction<uint>& mesh_function) const;
// Subdomain markers
std::vector<boost::shared_ptr<MeshValueCollection<uint> > > _markers;
// Mesh function for cell domains
mutable boost::shared_ptr<MeshFunction<uint> > _cell_domains;
// Mesh function for facet domains (exterior or interior)
mutable boost::shared_ptr<MeshFunction<uint> > _facet_domains;
};
}
#endif
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