3 Functionality not offered anymore

• SCRIPR/BICUBIC and SCRIPR/CONSERV/SECOND remappings

  As in OASIS3.3, the SCRIP library can be used to generate the remapping/interpolation weights and addresses and write them to a mapping file. All previous SCRIPR remapping schemes available in OASIS3.3 are still supported in OASIS3-MCT_1.0 besides BICUBIC and CONSERV/SECOND because these remapping involve at each source grid point the value of the field but also the value of the gradients of the field (which are not known or calculated). (Note: these remapping schemes, not available in OASIS3-MCT_1.0 were reactivated in OASIS3-MCT_2.0, see B.4.)

• Vector field remapping

  Vector field remapping is not and will not be supported (see “Support of vector fields with the SCRIPR remappings” in section 4.3).

• Automatic calculation of grid mesh corners in SCRIPR/CONSERV

  For SCRIPR/CONSERV remapping, grid mesh corners will not be compute automatically if they are needed but not provided.

• Other transformations not supported
  • The following transformations are not available in OASIS3.3 and will most probably not be implemented as it should be not too difficult to implement the equivalent operations in the component models themselves: CORRECT, FILLING, SUBGRID, MASKP

  • LOCTRANS/ONCE is not explicitely offered as it is equivalent to defining a coupling period equal to the total runtime.

  • The following transformations are not available as they were already deprecated in OASIS3.3 : REDGLO, INVERT, REVERSE, GLORED

  • MASK and EXTRAP are not available but the corresponding linear extrapolation can be replaced by the more efficient option using the nearest non-masked source neighbour for target points having their original neighbours all masked. This is now the default option for SCRIPR/DISTWGT, GAUSWGT and BILINEAR interpolations. It is also included in
    SCRIPR/CONSERV if FRACNNEI normalization option is chosen (see section 4.3).

  • INTERP interpolations are not available; SCRIPR should be used instead.

  • MOZAIC is not available as MAPPING should be used instead.

  • NOINTERP does not need to be specified anymore if no interpolation is required.

  • Field combination with BLASOLD and BLASNEW; these transformations only support multiplication and addition terms to the fields (see section 4.2).

• Using the coupler in interpolator-only mode

  This is not possible anymore as OASIS3-MCT is now only a coupling library. However, it is planned, in a further release, to provide a toy coupled model that could be use to check the quality of the remapping for any specific couple of grids. (Note: this was done in OASIS3-MCT_2.0.)

• Coupling field CF standard names

  The file cf_name_table.txt is not needed or used anymore. The CF standard names of the coupling fields are not written to the debug files.

• Binary auxiliay files

  All auxiliary files, besides the namcouple must be NetCDF; binary files are not supported anymore.