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

[Karin Westin]

        External Email - Use Caution        

Exactly!

I realized that as well!

Thanks!

Skickat från min iPhone

> 6 maj 2021 kl. 13:17 skrev Eric Larson <larson.eric.d at gmail.com>:
> 
> 
>         External Email - Use Caution        
> 
> The forward is free orientation, i.e., 3 directions per location. 16382 * 2 * 3 = 98292.
> 
> I'm guessing you actually have (98292 - 98268) / 3 = 8 fewer locations in the left hemisphere (i.e., 16374) than in the right (16382)?
> 
> Eric
> 
> 
>> On Thu, May 6, 2021 at 6:05 AM Karin Westin <karin.westin85 at gmail.com> wrote:
>>         External Email - Use Caution        
>> 
>> 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>:
>>>>         External Email - Use Caution        
>>>> 
>>>> 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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