error when combining two z_coordinates when adding grids.
If one grid is both larger and smaller in z coordinate than another grid then z_bottom will be duplicated resulting in a non-monotonic z coordinate.
A separate condition needs to be made for this case at Line 229 in init.py
error when combining two z_coordinates when adding grids. If one grid is both larger and smaller in z coordinate than another grid then z_bottom will be duplicated resulting in a non-monotonic z coordinate.
A separate condition needs to be made for this case at Line 229 in init.py
if z_bot & z_top:
elif z_bot:
elif z_top: