If we subset in space with a polygon, make sure we force extractions to use memory instead of slices so that things are sufficiently performant (slicing disjoint indices directly from the netCDF is horribly slow).
If we subset in space with a polygon, make sure we force extractions to use memory instead of slices so that things are sufficiently performant (slicing disjoint indices directly from the netCDF is horribly slow).

pwcazenave/PyFVCOM