cf.Field.section

Field.section(axes=None, stop=None, **kwargs)[source]

Return a FieldList of m dimensional sections of a Field of n dimensions, where M <= N.

Parameters
axes: optional

A query for the m axes that define the sections of the Field as accepted by the Field object’s axes method. The keyword arguments are also passed to this method. See TODO cf.Field.axes for details. If an axis is returned that is not a data axis it is ignored, since it is assumed to be a dimension coordinate of size 1.

stop: int, optional

Stop after taking this number of sections and return. If stop is None all sections are taken.

Returns
FieldList

The sections of the field construct.

Examples

Section a field into 2-d longitude/time slices, checking the units:

>>> f.section({None: 'longitude', units: 'radians'},
...           {None: 'time',
...            'units': 'days since 2006-01-01 00:00:00'})

Section a field into 2-d longitude/latitude slices, requiring exact names:

>>> f.section(['latitude', 'longitude'], exact=True)

Section a field into 2-d longitude/latitude slices, showing the results:

>>> f
<CF Field: eastward_wind(model_level_number(6), latitude(145), longitude(192)) m s-1>
>>> f.section(('X', 'Y'))
[<CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>,
 <CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>,
 <CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>,
 <CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>,
 <CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>,
 <CF Field: eastward_wind(model_level_number(1), latitude(145), longitude(192)) m s-1>]