covering.md
In a5R: 'A5' Discrete Global Grid System

format shows resolution, cells and stored cells

Code
  print(disks)
Output
  <a5_covering[3]>
  [1] res 8: 33 cells (18 stored) res 8: 33 cells (21 stored)
  [3] res 8: 33 cells (15 stored)

coverings work as tibble columns

Code
  print(df)
Output
  # A tibble: 3 x 2
    cell             disk                       
    <a5_cell>        <a5_covering>              
  1 63bb980000000000 res 8: 33 cells (18 stored)
  2 4f0a280000000000 res 8: 33 cells (21 stored)
  3 872fb80000000000 res 8: 33 cells (15 stored)