[Mne_analysis] Problem with BEm construction

Edoardo Pinzuti edoardo.pinzuti at gmail.com
Tue May 26 04:35:37 EDT 2020
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It works thanks !

Il giorno mar 26 mag 2020 alle ore 09:06 Alexandre Gramfort <
alexandre.gramfort at inria.fr> ha scritto:

>         External Email - Use Caution
>
> hi Edoardo,
>
> I suspect your triangles are oriented inwards or outwards with the opposite
> convention as MNE. You can fix this if you have the triangles
>
> triangles = triangles[:, ::-1]
>
> or the fliplr function in matlab.
>
> HTH
> Alex
>
>
> On Mon, May 25, 2020 at 12:38 PM Edoardo Pinzuti <
> edoardo.pinzuti at gmail.com> wrote:
>
>>         External Email - Use Caution
>>
>> Dear MNE team,
>>
>> I many of my subjects the watershed algorithm gives poor results. So  I
>> decided to  create BEM based on the inner skull boundary from fiedltrip. I
>> saved the output from fieldtrip as surface format but when I pass
>> inner_skull.surf to the function  make_bem function I get :
>> Creating the BEM geometry...
>> inner skull CM is   1.05  -0.61  59.80 mm
>> RuntimeError: Surface inner skull is not complete (sum of solid angles
>> yielded -1, should be 1.)
>> When I visualize the surface  does not seems to have any problem
>>
>> Do you know what could cause the error?
>>
>> Thanks
>>
>>
>>
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