[FieldTrip] Error in NM306mag.lay

[Gianpaolo Demarchi]

Hi Bianca,
(Cit.) “it’s a feature, not a bug!”
 
It has been there for a while now, see here:

http://www.fieldtriptoolbox.org/template/layout#neuromag_array

Best,
-g

> Il giorno 21 set 2018, alle ore 16:02, Bianca Trovò <bianca.trovo at alumni.unitn.it> ha scritto:
> 
> Dear community,
> 
> I discovered an error in the magnetometer layout file for the Elekta Neuromag system (/fieldtrip-20180910/template/layout/NM306mag.lay) present in several Fieldtrip versions (2017 and 2018 at least). Each sensor name should be preceded by the character 'MEG' but instead only the numbers are there. This produces an error in some Fieldtrip functions that try to use the layout (example ft_databrowser).
> To correct just paste the characters 'MEG' in front of every sensor number (or use another layout). Example:
> 
> Before
> 1 -0.408393 0.273197 0.064507 0.071200 0111
> 2 -0.328194 0.305701 0.064507 0.071200 0121
> 3 -0.377055 0.178745 0.064507 0.071200 0131
> 4 -0.450000 0.110941 0.064507 0.071200 0141
> 5 -0.310736 0.168122 0.064507 0.071200 0211
> 6 -0.241095 0.171484 0.064507 0.071200 0221
> 7 -0.257448 0.057674 0.064507 0.071200 0231
> 8 -0.326327 0.041365 0.064507 0.071200 0241
> 
> After
> 1 -0.408393 0.273197 0.064507 0.071200 MEG0111
> 2 -0.328194 0.305701 0.064507 0.071200 MEG0121
> 3 -0.377055 0.178745 0.064507 0.071200 MEG0131
> 4 -0.450000 0.110941 0.064507 0.071200 MEG0141
> 5 -0.310736 0.168122 0.064507 0.071200 MEG0211
> 6 -0.241095 0.171484 0.064507 0.071200 MEG0221
> 7 -0.257448 0.057674 0.064507 0.071200 MEG0231
> 8 -0.326327 0.041365 0.064507 0.071200 MEG0241
> 
> 
> Thanks,
> -- 
> Bianca Trovò
> 
> PhD student, Sorbonne Université
> Cognitive Neuroimaging unit, INSERM U992
> Neurospin center, CEA/SAC/DSV/I2BM
> Bât 145,Point Courier 156, 91191 Gif-sur-Yvette Cedex, FRANCE
> Phone (office): +33169089319
> Email (office): bianca.trovo at cea.fr
> Unicog Lab Schurger's Team 
> 
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> https://doi.org/10.1371/journal.pcbi.1002202
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