Usage: gdallocationinfo [--help] [--help-general]
                        [-xml] [-lifonly] [-valonly]
                        [-b <band>]... [-overview <overview_level>]
                        [-l_srs <srs_def>] [-geoloc] [-wgs84]
                        [-oo <NAME>=<VALUE>]... <srcfile> [<x> <y>]