[Mne_analysis] issue with inverse operator (repost)

[Eric Larson]

Assuming you are running linux (are you?), were you able to test it on
both x86_64 and i686 versions?

Eric


On Mon, Jun 6, 2011 at 12:52 PM,  <rsachdev at nmr.mgh.harvard.edu> wrote:
> Hello Eric,
>
> We tried the stable release and the nightly build.  The stable release
> inverse operator seems to work fine but than the issue with the projection
> vectors exists.  With the nightly build, it's the opposite, the inverse
> operator gives me the issue and there seems to be no problem with the EEG
> and MEG projection vectors.
>
>
>
>
>
>> I had a problem with the EEG projection vectors affecting MEG channels
>> as well. However, it only happened on my linux x86_64 install, not on
>> a linux i686 install or osx installs. As you note, this channel
>> corruption on x86_64 was fixed in a recent nightly. I assume, then,
>> that you're running the linux x86_64 nightly?
>>
>> If so, one thing you could try is generating your inverses using all
>> four combinations of 1) the last stable release and 2) the latest
>> nightly combined with 1) the x86_64 linux version and 2) the i686
>> linux version. (The i686 linux version should run just fine on 64-bit
>> linux installs.) If you can identify which of the four combinations
>> suffers from this problem, then it could help narrow down the cause of
>> the problem.
>>
>> Eric
>>
>>
>> On Fri, Jun 3, 2011 at 9:39 AM,  <rsachdev at nmr.mgh.harvard.edu> wrote:
>>> Hi all,
>>>
>>> It's been a few weeks, and I am still having trouble with this.
>>>
>>> There seems to be an issue with the inverse operator from the nightly
>>> build version of MNE.  The activation shown on the brain looks unusal.
>>>  I
>>> am using the nightly build because in the previous versions working with
>>> SSP for EEG affected the MEG channels and it was fixed in the nightly
>>> build.  Now, I seem to be running into some trouble when using an
>>> inverse
>>> operator created from both MEG and EEG data, the MEG based inverse
>>> operator works/looks fine.  Anyone have any work-arounds or solutions?
>>>
>>> Thank you
>>> -Ricky
>>>
>>>
>>>
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>>
>>
>>
>
>