set ::env(GLB_RT_OBS)  "li1  0    0   2920    3520,
       met1 344.0 475.5 823.78 873.0,
       met2 344.0 475.5 823.78 873.0,
       met3 344.0 475.5 823.78 873.0,
       met4 344.0 475.5 823.78 873.0"