As part of the efforts in the CMDV project, interfaces to integrate the MOAB unstructured mesh library with the TempestRemap remapping tool have been undertaken. This work has led to the development of a new offline remapping tool called mbtempest, which exposes the functionality to compute the supermesh or intersection mesh between two unstructured source and target component grids, in addition to using this supermesh for computing the remapping weights to project solutions between the grids. This functionality is part of the critical worflow with E3SM, where the generated remapping weights in the offline step are consumed by MCT at runtime to seamlessly transfer solution data between components (atm↔ocn, atm↔lnd, etc).
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Getting started
In order to build the MOAB-TempestRemap stack with parallel MPI launch support, we suggest the following list of commands. First define an installation prefix directory where the stack of library, includes and tools will be installed. Let us call this as the $INSTALL_PREFIX environment variable.
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