VArray (Virtual Array) – with attributes (incl. units)
Abstracts Data Storage
(Entity can be in file(s) or multi-D Array on memory; can also be a mapped subset of another VArray or aggregation of VArrays)
GPhys (Gridded Physical quantity)
a GPhys
has 1
array data (VArray)
grid (Grid)
has 1
axis(Axis)
has rank
coord.var.(VArray)1D
others (VArray)1D
has 1
has 0..
AssocCoords (GPhys) Multi-D
has 0..
(new) trans-
formed grid etc