def METHOD_NAME(self, parser):
    parser.add_argument('dem_path')
    parser.add_argument('--replace', action='store_true', default=False, help='Replace existing DEM if any.')
    parser.add_argument('--update-altimetry', action='store_true', default=False,
                        help='Update altimetry of all 3D geometries, /!\\ This option takes lot of time to perform')