This offers a true 2d domain. It’s very similar to the regular Cartesian (3d) domain, but can handle grids that are only a single point wide in the 3rd direction. This is useful for axisymmetric simulations that don’t need Cartoon.

https://bitbucket.org/llamacode/llama/pull-requests/6/coordinates-add-cartesian-planar-2d-domain

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2447/llama-coordinates-add-cartesian-planar-2d