src/tetmesh/entity.h

Go to the documentation of this file.

/***************************************************************************
                          entity.h  -  description
                             -------------------
    begin                : Fri Dec 19 2003
    copyright            : (C) 2003 by Roman Geus
    email                : roman.geus@psi.ch
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef ENTITY_H
#define ENTITY_H

namespace mesh {

typedef unsigned int id_t;
const id_t ID_NONE = static_cast<id_t>(-1);

class Entity {
public: 
    Entity(id_t id) : id_(id), bc_info_(0)
    {}
    id_t get_id() const
    { return id_; }
    bool on_boundary()
    { return bc_info_ & 1 == 1; }
    unsigned char on_symmetry_planes() { 
        return bc_info_ >> 1; 
    }
    void set_boundary(bool on_boundary) {
        if (on_boundary)
            bc_info_ |= 1U;
        else
            bc_info_ &= ~1U;
    }
    void set_symmetry_plane(int plane_id) {
        unsigned char mask = 2 << plane_id;
        bc_info_ |= mask;
    }
private: // private members
    id_t id_;
    unsigned char bc_info_;
};

} // namespace mesh

#endif

---