cf.Domain.items

Domain.items(items=None, role=None, axes=None, axes_all=None, axes_subset=None, axes_superset=None, ndim=None, match_and=True, exact=False, inverse=False, copy=False, strict_axes=False, _restrict_inverse=False)[source]

Return items of the domain.

See also

axes, item, remove_items

Parameters:

{+items}

{+role}

{+axes}

{+axes_all}

{+axes_subset}

{+axes_superset}

{+ndim}

{+exact}

{+match_and}

{+inverse}

{+copy}
Returns:
out
: dict

A dictionary whose keys are domain item identifiers with corresponding values of items of the domain. The dictionary may be empty.
Examples:

See cf.Field.items.

All of these examples are for the same domain, whose complete dictionary of items is shown in the first example.

>>> d.items()
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>,
 'dim1': <CF DimensionCoordinate: grid_longitude(106) degrees>,
 'dim2': <CF DimensionCoordinate: time(12) days since 1997-1-1>,
 'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106) degrees_N>,
 'aux2': <CF AuxiliaryCoordinate: forecast_reference_time(12) days since 1997-1-1>
 'msr0': <CF CellMeasure: area(111, 106) m2>,
 'ref0': <CF CoordinateReference: rotated_latitude_longitude>}}

>>> d.items(axes='grid_latitude')
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>,
 'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106)> degrees_N,
 'msr0': <CF CellMeasure: area(111, 106) m2>}}
>>> d.items(axes='grid_latitude', ndim=1)
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>}}
>>> d.items(axes='grid_latitude', strict_axes=True)
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>}}

>>> d.items(axes='time')
{{'dim2': <CF DimensionCoordinate: time(12) days since 1997-1-1>,
 'aux2': <CF AuxiliaryCoordinate: forecast_reference_time(12) days since 1997-1-1>}}
>>> d.items(axes='time', role='d')
{{'dim2': <CF DimensionCoordinate: time(12) days since 1997-1-1>}}

>>> d.items(axes='area')
{{'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106) degrees_N>,
 'msr0': <CF CellMeasure: area(111, 106) m2>}}
>>> d.items(axes=['grid_latitude', 'grid_longitude'])
{{'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106) degrees_N>,
 'msr0': <CF CellMeasure: area(111, 106) m2>}}

>>> d.items('grid')
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>,
 'dim1': <CF DimensionCoordinate: grid_longitude(106) degrees>}}
>>> d.items('grid', exact=True)
{{}}

>>> d.items({{'units': 'degrees_E'}})
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>,
 'dim1': <CF DimensionCoordinate: grid_longitude(106) degrees>,
 'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106)> degrees_N}}
>>> d.items({{'units': 'degrees_E'}}, exact=True)
{{'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>}}

>>> d.items({{'units': 'radians', 'standard_name': 'time'}})
{{}}
>>> d.items({{'units': 'radians', 'standard_name': 'time'}}, maximal_match=False)
{{'dim0': <CF DimensionCoordinate: grid_latitude(111) degrees>,
 'dim1': <CF DimensionCoordinate: grid_longitude(106) degrees>,
 'dim2': <CF DimensionCoordinate: time(12) days since 1997-1-1>,
 'aux0': <CF AuxiliaryCoordinate: longitude(111, 106) degrees_E>,
 'aux1': <CF AuxiliaryCoordinate: latitude(111, 106)> degrees_N}}
>>> d.items({{'units': 'radians', 'standard_name': 'time'}}, maximal_match=False, exact=True)
{{'dim2': <CF DimensionCoordinate: time(12) days since 1997-1-1>}}

>>> set(d.items(role='da')) == set(d.items(role='ct', inverse=True))
True