bug using planarcombine and with planar 4d/bti data

[Mark Drakesmith]

Hi.

thanks for letting me know. I had updsated my fieldtrip quite recently
but i think this file didnt get updated for some reason. I've done
another update and the issue is now resolved for good.

Thanks
Mark


> Dear Mark,
>
> Thanks for the suggestion. I was wondering whether you are using an
> up-to-date version of fieldtrip, because I looked up the log of
> senstype and as far as I can see this issue has been resolved a while
> ago. I must confess that I have not recently encountered your reported
> issue on my own bti-data.
>
> Best
>
> Jan-Mathijs
>
>
> On Mar 3, 2010, at 3:17 PM, Mark Drakesmith wrote:
>
>> Hi
>>
>> There seems to be a small bug with using using planarcombine with
>> 4D/BTI data after using megplanar. It reports the gradiometer type to
>> be 'bti248' instead of 'bti248_planar' which it should be. The
>> problem is with senstype function, where it puills the definitions
>> from .hdr.grad substructure first instead of .grad substrutre (line
>> 109) which is the one that  has the planar-transofrmed definitions.
>>
>> I just swapped the order inwhich the function looks for gradiometer
>> definitions so that it looks in .grad first instead of .hdr.grad. It
>> now correctly reports the gadiometer type as 'bti248_planar'.
>>
>> Many thanks
>>
>>
>> Mark
>>
>> Mark Drakesmith
>> PhD Student
>>
>> Neuroscience and Aphasia Research Unit (NARU)
>> University of Manchester
>>
>> ----------------------------------
>> The aim of this list is to facilitate the discussion between users of
>> the FieldTrip  toolbox, to share experiences and to discuss new ideas
>> for MEG and EEG analysis. See also
>> http://listserv.surfnet.nl/archives/fieldtrip.html and
>> http://www.ru.nl/neuroimaging/fieldtrip.
>
> ----------------------------------
> The aim of this list is to facilitate the discussion between users of
> the FieldTrip  toolbox, to share experiences and to discuss new ideas
> for MEG and EEG analysis. See also
> http://listserv.surfnet.nl/archives/fieldtrip.html and
> http://www.ru.nl/neuroimaging/fieldtrip.


--

Mark Drakesmith
PhD Student

Neuroscience and Aphasia Research Unit (NARU)
University of Manchester

----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/neuroimaging/fieldtrip.