Can one output file have multiple slices? about athena

[c-white]

Slicing is hard-coded to be just one slice, and this is done at a rather deep level in the code. Extending this to selecting subregions for output without entirely reducing a dimension is possible, but difficult.

It sounds like you are using vtk and/or tab outputs. The vtk and tab files are separated by block, but hdf5 outputs a single file containing all blocks. If the issue is having an unreasonable number of files, at least this can be reduced from 30*num_blocks to 30 by specifying 30 hdf5 outputs.

[msbc]

Does the hdf5 output support outputting slices? I was under the impression that the hdf5 output only supported outputting the whole mesh.

[c-white]

It should output slices just fine, and the Python reader can read in the sliced data as well.