[Mne_analysis] Fwd: error in reading brain vision raw files

[Jaakko Leppakangas]

Hi Ying,

I checked the file, and the problem is with channels named 'photosensor'
and 'respiration'. In the code the splitting function uses multiple spaces
as the separator, so for now, adding one more space after the channel name
in the header fixes it ('photosensor 129' -> photosensor  129'). See also
https://github.com/mne-tools/mne-python/pull/4354.

Hope this helps.
-Jaakko

On Tue, Jun 27, 2017 at 1:10 AM, Ying Yang <evergreenlifeyangying at gmail.com>
wrote:

> Dear MNE developers and users,
>
> I had some problem opening brain vision files generated by Brain Vision's
> Recorder software. (files link https://www.dropbox.com/sh/
> 8b73u9hjc3ol2iw/AACQVhe_az7Mie8Qm-IQQxN_a?dl=0).  Previously, I was able
> to open other brain vision raw files.
>
>
>  mne.io.read_raw_brainvision("test_bv_files/test6.vhdr")
> Extracting parameters from test_bv_files/test6.vhdr...
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/home/ying/anaconda2/lib/python2.7/site-packages/mne/io/brainvision/brainvision.py",
> line 717, in read_raw_brainvision
>     event_id=event_id, verbose=verbose)
>   File "<string>", line 2, in __init__
>   File "/home/ying/anaconda2/lib/python2.7/site-packages/mne/utils.py",
> line 707, in verbose
>     return function(*args, **kwargs)
>   File "/home/ying/anaconda2/lib/python2.7/site-packages/mne/io/brainvision/brainvision.py",
> line 85, in __init__
>     _get_vhdr_info(vhdr_fname, eog, misc, scale, montage)
>   File "/home/ying/anaconda2/lib/python2.7/site-packages/mne/io/brainvision/brainvision.py",
> line 512, in _get_vhdr_info
>     assert ch in line_amp
> AssertionError
>
> The error seemed to indicate some format issue in the header file. I have
> manually looked at the header file, but could not find anything that might
> cause the issue.
>
> Any input is appreciated! Thanks.
>
> Best,
> Ying
>
>
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