def __init__(self, file, grid=None, time=None, monthbegin=False):
"""Open the file and try to understand it.
Parameters
----------
file: path to the netcdf file
grid: a Grid object. This will override the normal behavior of
GeoNetcdf, which is to try to understand the grid automatically.
time: a time array. This will override the normal behavior of
GeoNetcdf, which is to try to understand the time automatically.
monthbegin: set to true if you are sure that your data is monthly
and that the data provider decided to tag the date as the center of
the month (stupid)
"""
self._nc = netCDF4.Dataset(file)
self.variables = self._nc.variables
if grid is None:
grid = sio.grid_from_dataset(self._nc)
if time is None:
time = sio.netcdf_time(self._nc, monthbegin=monthbegin)
dn = self._nc.dimensions.keys()
self.x_dim = utils.str_in_list(dn, utils.valid_names['x_dim'])[0]
self.y_dim = utils.str_in_list(dn, utils.valid_names['y_dim'])[0]
dim = utils.str_in_list(dn, utils.valid_names['t_dim'])
self.t_dim = dim[0] if dim else None
dim = utils.str_in_list(dn, utils.valid_names['z_dim'])
self.z_dim = dim[0] if dim else None
GeoDataset.__init__(self, grid, time=time)
def test_notimevar(self):
import xarray as xr
da = xr.DataArray(np.arange(12).reshape(3, 4), dims=['lat', 'lon'])
ds = da.to_dataset(name='var')
t = sio.netcdf_time(ds)
assert t is None
def test_notimevar(self):
import xarray as xr
da = xr.DataArray(np.arange(12).reshape(3, 4), dims=["lat", "lon"])
ds = da.to_dataset(name="var")
t = sio.netcdf_time(ds)
assert t is None
