+Enhanced support for novel axes in MOM_io #1369
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Added support for new IO capabilities that are needed by SIS2 to use the MOM6 framework and infrastructure code, but should also be useful within MOM6 itself. These new capabilities include writing global attributes to files, using create_file named axes that are not derived from a MOM6 grid type, and new options and elements in the vardesc type to support a wider array of axes and to provide the position of the grid staggering via an integer position variable instead of the short character strings that had been used. As a part of this commit, there are the new opaques type axis_info and attribute_info, and the new routines set_axis_info, delete_axis_info, set_attribute_info and delete_attribute_info to facilitate these new capabilities, as well as the publicly visible function position_from_horgrid to translate the vardesc%hor_grid character strings into the integer position flag used elsewhere in the MOM6 and FMS codes. Within the MOM_io_infra, there is a new variant of the overloaded interface write_meta to handle writing global attributes. There are also two new optional arguments to create_file and reopen_file, and two new optional arguments to var_desc, modify_vardesc, and query_vardesc. All answers and output are bitwise identical.
marshallward
approved these changes
Apr 12, 2021
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Added support for new IO capabilities that are needed by SIS2 to use the MOM6
framework and infrastructure code, but should also be useful within MOM6
itself. These new capabilities include writing global attributes to files,
using create_file named axes that are not derived from a MOM6 grid type, and new
options and elements in the vardesc type to support a wider array of axes and to
provide the position of the grid staggering via an integer position variable
instead of the short character strings that had been used.
As a part of this commit, there are the new opaques type axis_info and
attribute_info, and the new routines set_axis_info, delete_axis_info,
set_attribute_info and delete_attribute_info to facilitate these new
capabilities, as well as the publicly visible function position_from_horgrid to
translate the vardesc%hor_grid character strings into the integer position flag
used elsewhere in the MOM6 and FMS codes. Within the MOM_io_infra, there is a
new variant of the overloaded interface write_meta to handle writing global
attributes. There are also two new optional arguments to create_file and
reopen_file, and two new optional arguments to var_desc, modify_vardesc, and
query_vardesc. All answers and output are bitwise identical.