Usage: gdal_footprint [--help] [--help-general]
       [-b <band>]... [-combine_bands union|intersection]
       [-oo <NAME>=<VALUE>]... [-ovr <index>]
       [-srcnodata "<value>[ <value>]..."]
       [-t_cs pixel|georef] [-t_srs <srs_def>] [-split_polys]
       [-convex_hull] [-densify <value>] [-simplify <value>]
       [-min_ring_area <value>] [-max_points <value>|unlimited]
       [-of <ogr_format>] [-lyr_name <dst_layername>]
       [-dsco <name>=<value>]... [-lco <name>=<value>]... [-overwrite] [-q]
       <src_filename> <dst_filename>