DynamicMeshEditor.h

// Copyright (C) 2008 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:  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;


  class DynamicMeshEditor
  {
  public:

    DynamicMeshEditor();

    ~DynamicMeshEditor();

    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);

    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);

    void add_vertex(std::size_t v, const Point& p);

    void add_vertex(std::size_t v, double x);

    void add_vertex(std::size_t v, double x, double y);

    void add_vertex(std::size_t v, double x, double y, double z);

    void add_cell(std::size_t c, const std::vector<std::size_t>& v);

    void add_cell(std::size_t c, std::size_t v0, std::size_t v1);

    void add_cell(std::size_t c,  std::size_t v0, std::size_t v1,
                  std::size_t v2);

    void add_cell(std::size_t c, std::size_t v0, std::size_t v1,
                  std::size_t v2, std::size_t v3);

    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