eng
discrete global grid <DGGS>
set of cells at the same refinement level that uniquely and completely cover a globe
Note 1 to entry: The set of cell zonal identifiers comprising a discrete global grid form a single Zone Class with its associated refinement level.
Note 2 to entry: The configuration of the set of cells comprising a discrete global grid satisfy at least one grid constraint in the DGG_GridConstraint codelist.
[SOURCE: ISO 19170-1:2021, 3.12]