Hi Erik, MOAB is probably the best place to start; our full unstructured mesh support is currently in an open pull request. Depending on how the zones overlap, or don't overlap, this may be possible right now. Non-overlapping is probably much more feasible at this time. On Sat, Nov 14, 2015 at 2:38 PM, Erik Schnetter <schnetter@gmail.com> wrote:

Cactus multi-block data are topologically Cartesian, but each grid point's coordinate is arbitrary.

- How would this best be handled? Should I create a UnstructuredIndex? Would "moab" be a good example to follow?

- Is it possible to combine this with AMR?

-erik

-- Erik Schnetter <schnetter@gmail.com> http://www.perimeterinstitute.ca/personal/eschnetter/

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