sel: read selected range
ds = xr.open_dataset(fn) # fn is netcdf file name, containing monthly zg (geopotential height)
z500prj=ds['zg'].sel(plev=50000, \
time=slice('1955-01-01','2005-12-31'), \
lon=slice(120, 280), lat=slice(20, 70))
以下のように,3次元データのうち任意領域だけのを読み込むことができる.与えられた範囲の内側にあるデータ点が読みだされる.
You can read selected rage as follows.
ds = xr.open_dataset(fn) # fn is netcdf file name, containing monthly zg (geopotential height)
z500prj=ds['zg'].sel(plev=50000, \
time=slice('1955-01-01','2005-12-31'), \z
lon=slice(120, 280), lat=slice(20, 70))