Backward Incompatibility Feature Proposal => seek public feedback

[anntsay]

Interface Changes

• Interface changes to the ESMF C API. Inconsistencies exist in the current ESMF C API that will be addressed.

• Default change to unmapped point handling within NUOPC Connectors. The current default ignores and zeros unmapped destination points when regridding. The planned default will throw an error if unmapped destination points exist. The current behavior can be achieved by configuring the NUOPC Connector via run sequence options, COMP1 -> COMP2 :unmappedaction=ignore. An alternative behavior extrapolates mapped points to unmapped points, COMP1 -> COMP2 :extrapmethod=nearest_idavg. It is also possible to ignore unmapped destination points without zeroing their values, COMP1 -> COMP2 :unmappedaction=ignore:zeroregion=select.

• [v 9.0.0] ESMF XGridGet ( centroids ) change from 2D to 1D array to match Mesh interface. 1D array can be reshaped back to 2D using Fortran Intrinsic reshape function.

Replacement of Class

• Removal of the ESMF Attribute Class. This class has been replaced with the ESMF Info Class.

• Removal of the ESMF Config Class. This class has been replaced with the ESMF HConfig Class.