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If we only allow triangles and quads we get convex polygons, but they are less regular:
TempestRemap
We not that the TempestRemap package (github link) understands both SE and FV grids and can produce map files dirctly from the CAM-SE Native grid. These mapping files are usually more accurate since they take advantage of the SE discretization. If ACME adopts TempestRemap mapping files, we will not need to use the SE dual grid shown above.
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