/usr/include/dolfin/mesh/DynamicMeshEditor.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// 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: 2008-09-22
// Last changed: 2008-11-13
#ifndef __DYNAMIC_MESH_EDITOR_H
#define __DYNAMIC_MESH_EDITOR_H
#include "CellType.h"
namespace dolfin
{
class Mesh;
class Point;
class Vector;
/// This class provides an interface for dynamic editing of meshes,
/// that is, when the number of vertices and cells are not known
/// a priori. If the number of vertices and cells are known a priori,
/// it is more efficient to use the default editor MeshEditor.
class DynamicMeshEditor
{
public:
/// Constructor
DynamicMeshEditor();
/// Destructor
~DynamicMeshEditor();
/// Open mesh of given cell type, topological and geometrical dimension
void open(Mesh& mesh, CellType::Type type, std::size_t tdim,
std::size_t gdim, std::size_t num_global_vertices,
std::size_t num_global_cells);
/// Open mesh of given cell type, topological and geometrical dimension
void open(Mesh& mesh, std::string type, std::size_t tdim, std::size_t gdim,
std::size_t num_global_vertices, std::size_t num_global_cells);
/// Add vertex v at given point p
void add_vertex(std::size_t v, const Point& p);
/// Add vertex v at given coordinate x
void add_vertex(std::size_t v, double x);
/// Add vertex v at given coordinate (x, y)
void add_vertex(std::size_t v, double x, double y);
/// Add vertex v at given coordinate (x, y, z)
void add_vertex(std::size_t v, double x, double y, double z);
/// Add cell with given vertices
void add_cell(std::size_t c, const std::vector<std::size_t>& v);
/// Add cell (interval) with given vertices
void add_cell(std::size_t c, std::size_t v0, std::size_t v1);
/// Add cell (triangle) with given vertices
void add_cell(std::size_t c, std::size_t v0, std::size_t v1,
std::size_t v2);
/// Add cell (tetrahedron) with given vertices
void add_cell(std::size_t c, std::size_t v0, std::size_t v1,
std::size_t v2, std::size_t v3);
/// Close mesh, finish editing, and order entities locally
void close(bool order=false);
private:
// Clear data
void clear();
// The mesh
Mesh* _mesh;
// Topological dimension
std::size_t _tdim;
// Geometrical (Euclidean) dimension
std::size_t _gdim;
// Cell type
CellType* _cell_type;
// Number of global vertices and cells
std::size_t _num_global_vertices, _num_global_cells;
// Dynamic storage for vertex coordinates
std::vector<double> vertex_coordinates;
// Dynamic storage for cells
std::vector<std::size_t> cell_vertices;
};
}
#endif
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