[Mne_analysis] source space vertices locations

[dgw]

Hi Keith,

The xyz coordinate for each vertex is in the source space. you can
just calculate anterior vs. posterior using the locations there.

hth
d

On Tue, Mar 29, 2016 at 9:13 AM, Keith Doelling <kd889 at nyu.edu> wrote:
>
> I have been working off of that example that you linked in. The
> mne.stc_to_label is very useful and gets me part of the way there but I
> still can't say which is anterior and which is posterior until I plot them.
> Which is fine with two labels but could get complicated with more (or to
> iterate across many subjects). If I can avoid the manual option, that'd be
> great.
>
> Really all I'm looking for is access to the spatial location of each vertex
> in some kind of xyz coordinate space. With that, the rest is, as you
> mentioned, a bit of simple self-written code but I haven't been able to find
> any documentation on how the vertices are sorted or structured.
>
> Thanks!
>
> Keith
>
> ----------------------------------
> Keith Doelling
> Dept of Psychology
> Center for Neural Science
> NYU
>
> science.keithdoelling.com
>
> On Tue, Mar 29, 2016 at 8:20 AM, dgw <dgwakeman at gmail.com> wrote:
>>
>> You can do this in mne_analyze by simply drawing around the ROI, and
>> selecting (the procedure is described in the manual). You can also do
>> this programmatically in the mne-python code (this is a good starting
>> point:
>> http://martinos.org/mne/stable/auto_examples/inverse/plot_label_from_stc.html?highlight=label
>> ). or with a simple bit of self-written matlab/python code depending
>> on your needs.
>>
>> hth
>> d
>>
>> On Tue, Mar 29, 2016 at 7:59 AM, Keith Doelling <kd889 at nyu.edu> wrote:
>> > Hi all,
>> >
>> > I'm curious about how to select vertices based on their overall
>> > location.
>> > For example, say I have found two peaks in my source estimates. I want
>> > to
>> > build two functional labels for each. One blob is in the anterior half
>> > and
>> > the other is in the posterior half of the left hemisphere. Are the
>> > vertices
>> > organized in such away that I can select each blob on the basis of its
>> > overall location in the brain?
>> >
>> > Thanks in advance!
>> > ----------------------------------
>> > Keith Doelling
>> > Dept of Psychology
>> > Center for Neural Science
>> > NYU
>> >
>> > science.keithdoelling.com
>> >
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