[PP Field
   lbyr: 0
   lbmon: 0
   lbdat: 0
   lbhr: 0
   lbmin: 0
   lbsec: 0
   lbyrd: 0
   lbmond: 0
   lbdatd: 0
   lbhrd: 0
   lbmind: 0
   lbsecd: 0
   lbtim: 0
   lbft: 0
   lblrec: 46
   lbcode: 11003
   lbhem: 0
   lbrow: 4
   lbnpt: 4
   lbext: 30
   lbpack: 0
   lbrel: 3
   lbfc: 0
   lbcfc: 0
   lbproc: 0
   lbvc: 0
   lbrvc: 0
   lbexp: 0
   lbegin: 0
   lbnrec: 0
   lbproj: 0
   lbtyp: 0
   lblev: 0
   lbrsvd: (0, 0, 0, 0)
   lbsrce: 0
   lbuser: (1, -99, 0, 0, 0, 0, 0)
   brsvd: (0.0, 0.0, 0.0, 0.0)
   bdatum: 0.0
   bacc: 0.0
   blev: 0.0
   brlev: 0.0
   bhlev: 0.0
   bhrlev: 0.0
   bplat: 90.0
   bplon: 0.0
   bgor: 0.0
   bzy: 0.0
   bdy: 0.0
   bzx: 0.0
   bdx: 0.0
   bmdi: -1e+30
   bmks: 1.0
   data: [[ 0.  1.  2.  3.]
 [ 4.  5.  6.  7.]
 [ 8.  9. 10. 11.]
 [12. 13. 14. 15.]]
   x: [1. 2. 3. 4.]
   x_lower_bound: [0.9 1.9 2.9 3.9]
   x_upper_bound: [1.1 2.1 3.1 4.1]
   y: [111. 222. 333. 444.]
   y_lower_bound: [110.9 221.9 332.9 443.9]
   y_upper_bound: [111.1 222.1 333.1 444.1]
]