Comment (by Roland Haas):

How to read Cactus output is indeed not trivial and while we do list a set of tools to read and analyze data on https://docs.einsteintoolkit.org/et-docs/Analysis_and_post-processing there has been a desire for more detailed instructions and an officially “blessed” framework.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2280/visualization-notebook