[FieldTrip] channelorder in leadfields, filter, ft_sourceanalysis

[Eelke Spaak]

Dear Marlene,

Have a look at this bug:
http://bugzilla.fcdonders.nl/show_bug.cgi?id=2639 If you don't have an
account on our bugzilla, it is easy to create one using just your
e-mail address, then you can add yourself as CC to that bug.

Best,
Eelke

On 28 August 2014 09:05, Marlene Bönstrup
<marlene.boenstrup at googlemail.com> wrote:
> Dear mailing-list,
>
> I am confused with the ordering of channels during leadfield computation and
> subsequent filter computation.
> Following the code in ft_prepare_leadfield, I am convinced that the
> channelorder of the leadfields is the same as in the input data to the
> function (second input to ft_prepare_leadfields).
> When I follow the leadfield order during ft_sourceanalysis it stays the same
> until the filter is computed based on that leadfield. The filter however is
> then applied to my data, which, during the course of ft_sourceanalysis,
> become reordered alphabetically during ft_checkdata in line 244 of
> ft_sourceanalysis (version 18.12.2013).
> So then the crssspectrum order and leadfield order would not match.
>
> Can you help me out with this paradox?
>
> I hope my question is not too confused, if so I will try to rephrase and
> exemplify, but maybe someone knows what I mean.
>
> Many thanks,
>
> Marlene
>
> _______________________________________________
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
> http://mailman.science.ru.nl/mailman/listinfo/fieldtrip