groops polygon version=20200123
          1
         14
# longitude [deg]           latitude [deg]          
# ==================================================
  4.650000000000000000e+01  4.450000000000000000e+01
  4.750000000000000000e+01  4.450000000000000000e+01
  4.950000000000000000e+01  4.750000000000000000e+01
  5.350000000000000000e+01  4.750000000000000000e+01
  5.350000000000000000e+01  4.550000000000000000e+01
  5.150000000000000000e+01  4.450000000000000000e+01
  5.150000000000000000e+01  4.350000000000000000e+01
  5.450000000000000000e+01  4.150000000000000000e+01
  5.350000000000000000e+01  4.050000000000000000e+01
  5.350000000000000000e+01  3.950000000000000000e+01
  5.450000000000000000e+01  3.850000000000000000e+01
  5.450000000000000000e+01  3.650000000000000000e+01
  5.050000000000000000e+01  3.650000000000000000e+01
  4.850000000000000000e+01  3.850000000000000000e+01