mne_do_inverse_operator

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1

Hi Dan,

I have 368 GB available, so I imagine that's not the problem.

Maybe this is a clue: When I try to open the corresponding *ave.fif file in mne_analyze, I can view it just fine. But if I also pick the *inv.fif that was generated from it (using the command I pasted previously), I get this error:

Desired tag (unknown [3522]) not found

Any ideas?

Thanks,
Will

2

hi Will,

can you run mne_show_fiff on all the input fif files to see if one is corrupted?

you could also try to compute the forward with Python to see if it passes.
At least the error message should be more informative. Cf.

http://martinos.org/mne/dev/auto_examples/plot_make_forward.html

HTH
Alex

3

Hi Alex,

Thanks for the reply. I ran "mne_show_fiff" on all the inputs (ave fiff
files), and it nicely returned lots of fields and didn't complain. Since
this only happened for one dataset but not the other 19, I tried
specifically looking for tag 3522 that the error message complained about.
When passing "--tag 3522" to mne_show_fiff, it just gave a blank line, in
both the dataset with the error and one that had no error. So I guess next
I'll try your Python suggestion.

Thanks,
Will

4

hi Will,

hope python will help.

ideally if matti has a bit of time you should share the files
so the bug can be reproduced and investigated.

Alex