[Mne_analysis] Intracranial SEEG montage and layout

[Andrea Brovelli]

Dear all,

I am trying to import intracranial SEEG data into MNE.

Can anyone point me to tutorials and examples on how to import 
subject-specific SEEG electrode positions (3D) and to produce a 3D or 2D 
layout for plotting?

For what I read, the function to be used is mne.channels.DigMontage

However, I cannot understand how to import channel position and names 
(and in which format they have to be)

Thanks a lot

Andrea