cf.Coordinate.Z

Coordinate.Z

True if and only if the coordinates are for a CF Z axis.

CF Z axis coordinates are for a vertical axis have one or more of the following:

  • The axis property has the value 'Z'
  • Units of pressure (see cf.Units.ispressure for details), level, layer, or sigma_level
  • The positive property has the value 'up' or 'down' (case insensitive)
  • The standard_name property is one of 'atmosphere_ln_pressure_coordinate', 'atmosphere_sigma_coordinate', 'atmosphere_hybrid_sigma_pressure_coordinate', 'atmosphere_hybrid_height_coordinate', 'atmosphere_sleve_coordinate‘, 'ocean_sigma_coordinate', 'ocean_s_coordinate', 'ocean_s_coordinate_g1', 'ocean_s_coordinate_g2', 'ocean_sigma_z_coordinate' or 'ocean_double_sigma_coordinate'

See also

ctype, T, X, Y

Examples: 
>>> c.Units
<CF Units: Pa>
>>> c.Z
True

>>> c.Units.equivalent(cf.Units('K')) and c.positive == 'up'
True
>>> c.Z
True 

>>> c.axis == 'Z' and c.Z
True

>>> c.Units
<CF Units: sigma_level>
>>> c.Z
True

>>> c.standard_name
'ocean_sigma_coordinate'
>>> c.Z
True