[Mne_analysis] mne_process_raw

Matti Hamalainen msh at nmr.mgh.harvard.edu
Fri Sep 21 16:56:31 EDT 2012
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Hi Reid,

Did you save the file in megacq's local data area? If so, the file should be on /space/megraid/96/MEG now. The error you received usually means that the file was broken in the copying process, most frequently because you ran out on the destination volume and did not notice it. If you can point me to the original, I can have a look. 

- Matti 

On Sep 21, 2012, at 4:48 PM, Vancelette, Reid Vincent wrote:

> Hi group,
>  
> My group went into the MEG lab yesterday to define and save our scanning settings onto the new MEG console per Matti’s instructions. We performed a practice round in which we were successfully able to record one of our blocks. Today, when I attempted to extract the events from the raw fif file I received an error: “could not read tag directory!” Here is where the problem occurred:
>  
> mne_process_raw version 2.35 compiled at Sep 21 2012 04:22:13
> 64-bit architecture. Using 600.00 Mbytes for ring buffers
> 
> --- Setting up the filter ---
> 
> Using a 4096-point FFT in filtering of raw data with 2048-sample tapers
> bandpass =    0.0 (   0.0) ...   40.0 (   5.0) Hz
> filter is on
> 
> --- Opening /autofs/space/…/TestForMEG_B5_raw.fif ---
> 
> Could not read tag directory!
>  
> And this is what appeared in our history log:
>  
> meg_extractevents    TestForMEG    ssStart    0.528    mne_process_raw --raw /autofs/space/…/TestForMEG_B5_raw.fif --eventsout /autofs/space/…/TestForMEG_B5.eve –projon
>  
> Does anyone know what the “could not read tag directory!” error means and how to fix this problem?
>  
> Thanks in advance!
>  
> -Reid
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---------

Matti Hamalainen, Ph.D.
Athinoula A. Martinos Center for Biomedical Imaging
Massachusetts General Hospital

msh at nmr.mgh.harvard.edu
mhamalainen at partners.org






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