[Mne_analysis] Coordinates of dipoles in fwd['sol']['data']?

Karin Westin karin.westin85 at gmail.com
Thu May 6 06:02:26 EDT 2021
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But 16382 dipoles per hemisphere don’t add up to the 98267 dipoles of the forward matrix?

Skickat från min iPhone

> 6 maj 2021 kl. 10:58 skrev Karin Westin <karin.westin85 at gmail.com>:
> 
> 
> Thank you for your answer!
> 
> But from that I get 
>  np.shape(right_coords)  (16382, 3) and 
> np.shape(fwd['sol']['data'])  (130, 98268) 
> 
> so I still don't understand how to extract coordinates of dipole in column j of fwd['sol']['data']?
> 
> Thanks in advance,
> Karin
> 
> Den tors 6 maj 2021 kl 07:54 skrev VERRIER Clement <clement.VERRIER at univ-amu.fr>:
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>> 
>> Hello,
>> 
>> You should be able to extract the dipoles coordinates of each hemisphere using the following (works with version 0.22.1):
>> 
>> >>> left_hemi, right_hemi = fwd["src"]
>> >>> left_coords, right_coords = [hemi["rr"][hemi["vertno"]] for hemi in [left_hemi, right_hemi]]
>> 
>> If you want all coordinates (i.e. those associated with the nondecimated mesh), you just have to use remove the extra hemi["vertno"] slicing.
>> 
>> Hope it helps!
>> 
>> Best,
>> Clément
>> 
>> 
>>> On 6 May 2021, at 12:54 AM, Karin Westin <karin.westin85 at gmail.com> wrote:
>>> 
>>>         External Email - Use Caution        
>>> 
>>> 
>>> Hi all!
>>> 
>>> As I understood it, the matrix fwd['sol']['data'] represents sensors x dipoles. How can one extract the coordinates of these dipoles?
>>> 
>>> Thanks in advance,
>>> Karin
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