Method get_all_keyframes

src/PLPSLAM/data/map_database.cc:101–111

        }

        std::vector<keyframe *> map_database::get_all_keyframes() const
        {
            std::lock_guard<std::mutex> lock(mtx_map_access_);
            std::vector<keyframe *> keyframes;
            keyframes.reserve(keyframes_.size());
            for (const auto id_keyframe : keyframes_)
            {
                keyframes.push_back(id_keyframe.second);
            }
            return keyframes;
        }

        unsigned int map_database::get_num_keyframes() const
        {