[Mne_analysis] mne.gui.coregistration()

[Alexandre Gramfort]

hi,

I don't know this ident number by heart but I guess yes there is
something to fix.

Please open an issue and we'll look into it.

thanks
Alex

On Mon, Jan 16, 2017 at 9:38 PM,  <pascarel at dima.unige.it> wrote:
> Dear MNE users,
>
> I come back with the problem of using mne.gui.coregistration()
> with CTF data.
>
> If I read the sample dataset SPM_CTF_MEG_example_faces1_3D_raw.fif'
> I find the following dig points:
>
> {'coord_frame': 4,
>    'ident': 3,
>    'kind': 2,
>    'r': array([  4.30736691e-09,   9.82968360e-02,   0.00000000e+00],
> dtype=float32)},
>   {'coord_frame': 4,
>    'ident': 1,
>    'kind': 2,
>    'r': array([ -7.32455477e-02,  -3.20142135e-09,   0.00000000e+00],
> dtype=float32)},
>   {'coord_frame': 4,
>    'ident': 2,
>    'kind': 2,
>    'r': array([  7.07898811e-02,   2.96859071e-09,   0.00000000e+00],
> dtype=float32)}
>
> With this setting I don't see the points in the mne.gui.coregistration()
> To use this gui I have to do this
>
>   raw.info['dig'][0]['kind'] = 1
>   raw.info['dig'][1]['kind'] = 1
>   raw.info['dig'][2]['kind'] = 1
>   raw.info['dig'][0]['ident'] = 2
>   raw.info['dig'][1]['ident'] = 1
>   raw.info['dig'][2]['ident'] = 3
>
> With this change I'm able to perform the coregistration by the gui
>
> Now...
>
> The weird thing is that I have to change the ident
> value, since their setting seems wrong. ident=2 has to be
> the noise while it seems to assigned to rpa
>
>
> what to u think?
>
> Thks!
> best
> Annalisa
>
>
>
>
> --
> Dott. Annalisa Pascarella
> Istituto per le Applicazioni del Calcolo "M. Picone"
> Consiglio Nazionale delle Ricerche
> Via dei Taurini 19, 00185 Roma (Italy)
> Ph.:+39-0649270946; Fax:+39-064404306
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