[Mne_analysis] Problem using mne_analyze
Alexandre Gramfort
gramfort at nmr.mgh.harvard.edu
Thu Sep 22 09:05:36 EDT 2011
Hello Peter,
> I am new to MNE (and linux) and I am running through the sample data set for
> practice. Everything seemed to be working fine until I had to use
> mne_analze. I loaded the digitizer data from the sample_audvis_raw.fif file,
> and got a message saying that 146 digitizer points had been loaded from the
> file. But nothing was brought up in the gui besides this message, so I'm not
> sure this step worked completely.
yes so far so good.
> When I went to load the inflated surface,
> a message appears in the gui saying "No data loaded" and the following
> appears in the terminal window:
>
> Loading surface
> /home/pglynn/Desktop/SampleData/subjects/sample/surf/lh.inflated ...
> Quad file : nvert = 154409 nquad = 154430
> Warning : zero size triangle # 40062
> Triangle and vertex normals and neighboring triangles...[done]
> Vertex neighbors...[done]
> Distances between neighboring vertices...[926574 distances done]
> Warning: 6 vertices had incorrect number of distinct neighbors
> (fixed).
> Loading surface
> /home/pglynn/Desktop/SampleData/subjects/sample/surf/rh.inflated ...
> Quad file : nvert = 150548 nquad = 150574
> Triangle and vertex normals and neighboring triangles...[done]
> Vertex neighbors...[done]
> Distances between neighboring vertices...[903438 distances done]
> Warning: 6 vertices had incorrect number of distinct neighbors
> (fixed).
> Warning : /home/pglynn/Desktop/SampleData/subjects/sample/mri/T1.mgz does
> not exist or is not readable
are you sure that this mri volume is at this location on your hard disk?
For the next you need to go in View > Show viewer
then options and click on digitizer data.
> Any ideas as to what the problem is? When would the T1.mgz file have been
> generated/modified? Was my download incomplete from the beginning? Any help
> would be much appreciated! Thanks!
hope this helps
if you want the new sample dataset preprocessed that will be coming
with the new release of MNE:
ftp://surfer.nmr.mgh.harvard.edu/pub/data/MNE-sample-data-processed.tar.gz
Alex
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