Cf Python Versions Save

A CF-compliant Earth Science data analysis library

v3.16.2

1 month ago

2024-04-26

Improve the performance of reading and accessing the data of PP and UM fields files (https://github.com/NCAS-CMS/cf-python/issues/746)
Improve cf.Field.collapse performance by lazily computing reduced axis coordinates (https://github.com/NCAS-CMS/cf-python/issues/741)
Improve cf.Field.__getitem__ performance by not re-calculating axis cyclicity (https://github.com/NCAS-CMS/cf-python/issues/744)
Reduce output CFA netCDF file size by setting the HDF5 chunksizes of CFA variables to be no larger than required (https://github.com/NCAS-CMS/cf-python/issues/739)
Allow a halo to be added by cf.Field.indices and cf.Field.subspace (https://github.com/NCAS-CMS/cf-python/issues/759)
Added spherical regridding to discrete sampling geometry destination grids (https://github.com/NCAS-CMS/cf-python/issues/716)
Added 3-d spherical regridding to cf.Field.regrids, and the option to regrid the vertical axis in logarithmic coordinates to cf.Field.regrids and cf.Field.regridc (https://github.com/NCAS-CMS/cf-python/issues/715)
New keyword parameter to cf.Field.regrids and cf.Field.regridc: return_esmpy_regrid_operator (https://github.com/NCAS-CMS/cf-python/issues/766)
New keyword parameters to cf.wi: open_lower and open_upper (https://github.com/NCAS-CMS/cf-python/issues/740)
Fix misleading error message when it is not possible to create area weights requested from cf.Field.collapse (https://github.com/NCAS-CMS/cf-python/issues/731)
Fix bug in cf.read when reading UM files that caused LBPROC value 131072 (Mean over an ensemble of parallel runs) to be ignored (https://github.com/NCAS-CMS/cf-python/issues/737)
Fix bug in cf.aggregate that sometimes put a null transpose operation into the Dask graph when one was not needed (https://github.com/NCAS-CMS/cf-python/issues/754)
Fix bug in cf.aggregate that caused a failure when property values were numpy arrays with two or more elements (https://github.com/NCAS-CMS/cf-python/issues/764)
Fix bug in cf.aggregate that didn't correctly handle the "actual_range" CF attribute (https://github.com/NCAS-CMS/cf-python/issues/764)
Fix bug whereby Field.cyclic is not updated after a Field.del_construct operation (https://github.com/NCAS-CMS/cf-python/issues/758)
Fix bug that meant cyclic() always returned an empty set for domains produced by cf.Field.domain (https://github.com/NCAS-CMS/cf-python/issues/762)
Changed dependency: cfunits>=3.3.7
Changed dependency: netCDF4>=1.6.5

v3.16.1

2 months ago

2024-03-01

Allow DSG trajectories with identical trajectory_id values to be aggregated (https://github.com/NCAS-CMS/cf-python/issues/723)
New methods: cf.Field.pad_missing and cf.Data.pad_missing (https://github.com/NCAS-CMS/cf-python/issues/717)
Fix occasional bug when calculating UGRID cell areas when non-spatial coordinates span the discrete axis (https://github.com/NCAS-CMS/cf-python/issues/721)
New keyword parameter to cf.Field.insert_dimension: constructs (https://github.com/NCAS-CMS/cf-python/issues/719)
Added the cell_measures and coordinates keyword arguments to cf.Field.weights (https://github.com/NCAS-CMS/cf-python/issues/709)
Added the cell_measures, coordinates, return_cell_measure, and methods keyword arguments to cf.Field.cell_area (https://github.com/NCAS-CMS/cf-python/issues/709)
Allow cf.Data to be initialised with xarray.DataAarray (https://github.com/NCAS-CMS/cf-python/issues/706)
Fix bug that caused cf.Field.del_file_location to fail when updating its metadata constructs (https://github.com/NCAS-CMS/cf-python/issues/707)
Fix bug that caused incorrect data arrays in some cyclic subspaces created by cf.Field.subspace and cf.Field.__getitem__ (https://github.com/NCAS-CMS/cf-python/issues/713)
Changed dependency: 1.11.1.0<=cfdm<1.11.2.0

v3.16.0

5 months ago

2023-12-06

Implemented the reading and manipulation of UGRID mesh topologies (https://github.com/NCAS-CMS/cf-python/issues/696)
New methods: cf.Field.cell_connectivity, cf.Field.cell_connectivities (https://github.com/NCAS-CMS/cf-python/issues/696)
New methods: cf.Field.domain_topology, cf.Field.domain_topologies (https://github.com/NCAS-CMS/cf-python/issues/696)
New method: cf.Data.masked_values (https://github.com/NCAS-CMS/cf-python/issues/696)
New method: cf.Data.arctan2 (https://github.com/NCAS-CMS/cf-python/issues/38)
Fix bug that caused cf.Field.collapse to give incorrect results for the "sum", "sum_of_weights" and "sum_of_weights2" methods, only in the case that weights have been requested (https://github.com/NCAS-CMS/cf-python/issues/701)
Changed dependency: 1.11.0.0<=cfdm<1.11.1.0
New dependency: scipy>=1.10.0

v3.15.4

7 months ago

2023-10-10

Record dimension coordinate cell characteristics (https://github.com/NCAS-CMS/cf-python/issues/692)
New set of methods to query, set, del, and get_cell_characteristics
Fix bug in cf.Field.match_by_construct that always returned True for 1-d constructs whose axis is not in the data, even when the criterion was not matched (https://github.com/NCAS-CMS/cf-python/issues/691)
Fix bug that prevented "https://" netCDF files from being read (https://github.com/NCAS-CMS/cf-python/issues/699)

v3.15.3

8 months ago

2023-08-31

Prevent unlimited dimensions from being written to CFA-netCDF files (https://github.com/NCAS-CMS/cf-python/issues/689)

v3.15.2

10 months ago

2023-07-21

Performance improvements to cf.Field.regrids and cf.Field.regridc (https://github.com/NCAS-CMS/cf-python/issues/675)
Performance improvements to cf.read when reading datasets with compression-by-convention (https://github.com/NCAS-CMS/cf-python/pull/671)
New keyword parameter to cf.Field.regrids and cf.Field.regridc: weights_file (https://github.com/NCAS-CMS/cf-python/issues/675)
New keyword parameter to cf.aggregate: cells (https://github.com/NCAS-CMS/cf-python/issues/452)
New function: cf.isclose (https://github.com/NCAS-CMS/cf-python/issues/661)
Allow cf.Data and other objects that have data (such as cf.DimensionCoordinate) to be used as indices (https://github.com/NCAS-CMS/cf-python/issues/677)
Fix bug that caused cf.Field.regrids and cf.Field.regridc to fail when the regrid axes are chunked with more than one chunk (https://github.com/NCAS-CMS/cf-python/issues/665)
Fix bug that caused cf.read to fail for some PP data with a single vertical level (https://github.com/NCAS-CMS/cf-python/issues/667)
Changed dependency: 1.10.1.1<=cfdm<1.10.2.0

v3.15.1

11 months ago

2023-06-09

New documentation cheat sheet (https://github.com/NCAS-CMS/cf-python/issues/591)
Performance improvements to cf.aggregate (https://github.com/NCAS-CMS/cf-python/issues/640)
New methods: cf.Data.argmin, cf.Field.argmin (https://github.com/NCAS-CMS/cf-python/issues/577)
Deprecate cf.relative_vorticity in favour of cf.curl_xy (https://github.com/NCAS-CMS/cf-python/pull/643)
Fix bug when using the -d option to the cfa script (https://github.com/NCAS-CMS/cf-python/issues/649)
Fix the return tppe from cf.example_fields (https://github.com/NCAS-CMS/cf-python/pull/654)
Fix set_data when the units are invalid (https://github.com/NCAS-CMS/cf-python/pull/646)
Fix cf.Field.laplacian_xy, cf.Field.grad_xy, cf.curl_xy and cf.div_xy to work in cases when the dimension coordinates are missing standard names (https://github.com/NCAS-CMS/cf-python/pull/643)
Changed dependency: cfunits>=3.3.6
Changed dependency: cftime>=1.6.2

v3.15.0

1 year ago

2023-04-27

Re-introduction of CFA-netCDF functionality for CFA-0.6 (https://github.com/NCAS-CMS/cf-python/issues/451, https://github.com/NCAS-CMS/cf-python/issues/475, https://github.com/NCAS-CMS/cf-python/issues/637)
New function: cf.CFA
New method: cf.Data.get_cfa_write
New method: cf.Data.set_cfa_write
Fix excessive memory use arising from cf.Field.regrids and cf.Field.regridc (https://github.com/NCAS-CMS/cf-python/issues/623)
Fixed bug in cf.Field.read when reading UM/PP data that are run-length encoded (https://github.com/NCAS-CMS/cf-python/issues/621)
Fixed bug in cf.Field.compute_vertical_coordinates that retained incorrect bounds properties (https://github.com/NCAS-CMS/cf-python/issues/626)
Removed benign UserWarning from cf.Field.percentile (https://github.com/NCAS-CMS/cf-python/issues/619)
Handled the renaming of the ESMF Python interface from ESMF to esmpy at version 8.4.0. Both module names are accepted for now.
Changed dependency: 1.10.1.0<=cfdm<1.10.2.0
Changed (optional) dependency: 8.0.0<=esmpy
Changed (optional) dependency: 1.10.0<=scipy

v3.14.1

1 year ago

2023-03-10

Python 3.7 support removed (https://github.com/NCAS-CMS/cf-python/issues/611)
New method: cf.Field.del_properties (https://github.com/NCAS-CMS/cf-python/issues/598)
New keyword parameter to cf.Data.concatenate: relaxed_units (https://github.com/NCAS-CMS/cf-python/issues/602)
New keyword parameter to cf.unique_constructs: ignore_properties (https://github.com/NCAS-CMS/cf-python/issues/597)
Allow cf.aggregate and to retain external cell measures (https://github.com/NCAS-CMS/cf-python/issues/605)
Fixed bug in cf.Field.collapse that always retained invalid vertical coordinate reference systems (https://github.com/NCAS-CMS/cf-python/issues/599)
Changed dependency: 1.10.0.3<=cfdm<1.10.1.0
Changed dependency: cfunits>=3.3.5
Changed dependency: 8.0.0<=ESMPYcfdm<8.2.0

v3.14.0

1 year ago

2023-01-31

Introduction of dask for all data manipulations, replacing the old LAMA methodology (e.g. https://github.com/NCAS-CMS/cf-python/issues/295, https://github.com/NCAS-CMS/cf-python/issues/428)
Backwards incompatible API changes to facilitate the use of Dask (https://github.com/NCAS-CMS/cf-python/issues/579)
New method: cf.Field.get_original_filenames (https://github.com/NCAS-CMS/cf-python/issues/448)
New method: cf.Field.to_dask_array
Fixed bug when reading UM stash codes that imply an area mean cell method (https://github.com/NCAS-CMS/cf-python/issues/487)
New keyword parameter to cf.write: omit_data (https://github.com/NCAS-CMS/cf-python/issues/477)
New keyword parameter to cf.read: chunks (https://github.com/NCAS-CMS/cf-python/pull/522)
Extend functionality of cf.Data.roll and cf.Field.roll to allow multiple axes to be rolled simultaneously.
Fixed bug that raised an exception when using the equal or exist keyword of cf.aggregate (https://github.com/NCAS-CMS/cf-python/issues/499)
Fixed bug that created incorrect cyclic Voronoi bounds from DimensionCoordinate.create_bounds (https://github.com/NCAS-CMS/cf-python/issues/514)
Changed dependency: 1.10.0.2<=cfdm<1.10.1.0
New dependency: dask>=2022.12.1