3.11.0

2021-10-08

• Python 3.6 support removed (#208)
• Conversion of cf.Domain to a non-abstract that may be read from and written to a netCDF dataset (#220)
• New method: cf.Domain.creation_commands
• New method: cf.Domain.climatological_time_axes
• New method: cf.AuxiliaryCoordinate.del_climatology
• New method: cf.AuxiliaryCoordinate.get_climatology
• New method: cf.AuxiliaryCoordinate.is_climatology
• New method: cf.AuxiliaryCoordinate.set_climatology
• New method: cf.DimensionCoordinate.del_climatology
• New method: cf.DimensionCoordinate.get_climatology
• New method: cf.DimensionCoordinate.is_climatology
• New method: cf.DimensionCoordinate.set_climatology
• New function: cf.unique_constructs
• New function: cf.example_fields (#220)
• New keyword parameter to cf.read: cdl_string (#171)
• Improved verbose information output from cf.aggregate (#228)
• Fix bug that causes a failure in cf.aggregate when otherwise aggregatable fields have non-valid units (#229)
• Fix for cf.aggregate failures when a datum or coordinate conversion parameter has an array value (#230)
• Allow for regridding using a destination field featuring size 1 dimension(s) (#250)
• Fix bug that sometimes caused cf.Field.autocyclic to fail when setting a construct that is cyclic and has a defined period (#237)
• Changed dependency: 1.9.0.0<=cfdm<1.9.1.0

3.10.0

2021-06-10

• Improve performance by allowing a saved RegridOperator instance to define the regrid operator in cf.Field.regridc and cf.Field.regrids (#222)
• Fix for incorrectly formatted logging.info statement sometimes causing a hang in cf.Field.collapse (#217)

3.9.0

2021-05-25

• Construct access API changes (#201, #202, #203, #204)
• Performance enhancements (#201, #202)
• New write mode mode='a' for appending to, rather than over-writing, a netCDF file on disk (#30)
• Temporarily removed the experimental ability to parallelize the collapse operation with MPI (#207)
• Improved docstrings
• Fix for unlimited dimensions read from a netCDF4 sub-group having zero size (NCAS-CMS/cfdm#113)
• Fixes for changes in behaviour in cftime==1.4.0 (#184)
• Better error message in the case of a numpy.ma.core.MaskError occurring upon reading of CDL files with only header or coordinate information (#197)
• Changed dependency: 1.8.9.0<=cfdm<1.8.10.0
• Changed dependency: cftime>=1.5.0
• Changed dependency: cfunits>=3.3.3
• Changed dependency: netCDF4>=1.5.4

3.8.0

2020-12-18

• The setting of global constants can now be controlled by a context manager (#154)
• Changed the behaviour of binary operations for constructs that have bounds (#146)
• Changed the behaviour of unary operations for constructs that have bounds (#147)
• New function: cf.bounds_combination_mode (#146)
• New method: cf.Field.compute_vertical_coordinates (#142)
• Fixed bug that prevented the verbosity from changing to any value specified as a verbose keyword parameter to cf.aggregate (only).
• Fixed bug that caused a failure when writing a dataset that contains a scalar domain ancillary construct (#152)
• Fixed bug that prevented aggregation of fields with external cell measures (#150 (comment))
• Fixed bug that caused rows full of zeros to appear in WGDOS packed UM data that contain masked points (#161)
• Changed dependency: 1.8.8.0<=cfdm<1.8.9.0
• Changed dependency: cftime>=1.3.0
• Changed dependency: cfunits>=3.3.1