Usage: gdaltransform [--help] [--help-general] [-i] [-s_srs ] [-t_srs ] [-to >NAME>=]... [-s_coord_epoch ] [-t_coord_epoch ] [-ct ] [-order ] [-tps] [-rpc] [-geoloc] [-gcp [elevation]]... [-output_xy] [-E] [-field_sep ] [-ignore_extra_input] [ []]