Added documentation to member variables

    ControlMeasure backProject(Cube cube);

  private:

    double m_range;

    double m_sigmaRange;

    iTime m_time;

    double m_range;       //!< The range

    double m_sigmaRange;  //!< The sigma range

    iTime m_time;         //!< The time the lidar point was taken

  };

}