# No BEM surfaces found **URL:** \ **Category:** Mailing List Archive (read-only)\ **Tags:** list-archive\ **Created:** [May 16, 2014, 10:55pm UTC](https://mne.discourse.group/t/no-bem-surfaces-found/728 "2014-05-16T22:55:54Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [May 16, 2014, 10:55pm UTC](https://mne.discourse.group/t/no-bem-surfaces-found/728/1 "2014-05-16T22:55:54Z")
Hello, I?m trying to run mne\_do\_forward\_model on the SPM dataset. I get the following error aleggitt at cerebrum:~$ mne\_do\_forward\_solution --meas /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif --mri /data/users/alanData/SPM-face/subjects/SPM/mri/T1-neuromag/sets/COR.fif --bem /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem.fif mne\_forward\_solution version 2.9 compiled at Jan 6 2011 02:25:30 Source space : /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-7-src.fif MRI -\> head transform source : /data/users/alanData/SPM-face/subjects/SPM/mri/T1-neuromag/sets/COR.fif Measurement data : /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif BEM model : /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem.fif Accurate field computations Do computations in head coordinates. Free source orientations Destination for the solution : /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D-7-fwd.fif Reading /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-7-src.fif... Read 2 source spaces a total of 6382 active source locations Coordinate transformation: MRI (surface RAS) -\> head      1.000000 0.000000 0.000000 -0.00 mm      0.000000 1.000000 0.000000 -0.00 mm      0.000000 0.000000 1.000000 -0.00 mm      0.000000 0.000000 0.000000 1.00 Read 274 MEG channels from /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Read 29 MEG compensation channels from /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Coordinate transformation: MEG device -\> head      0.997940 -0.049681 -0.040594 -1.35 mm      0.054745 0.989330 0.135013 -0.41 mm      0.033453 -0.136957 0.990012 65.80 mm      0.000000 0.000000 0.000000 1.0057 coil definitions read5 compensation data sets in /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Head coordinate coil definitions created. Source spaces are now in head coordinates. Setting up the BEM model using /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem-sol.fif... Loading surfaces... No BEM surfaces found in /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem-sol.fif Forward computation failed (see above) Prior to running this, I?ve successfully run the following commands mne\_setup\_mri mne\_watershed\_bem mne\_setup\_foward\_model --surf mne\_setup\_source\_space Am I missing a step or do I need to modify my options for mne\_do\_forward\_model? Thanks, Alan -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20140516/4e61e5af/attachment.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20140516/4e61e5af/attachment.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [May 17, 2014, 1:53am UTC](https://mne.discourse.group/t/no-bem-surfaces-found/728/2 "2014-05-17T01:53:12Z")
Hi Alan, There is an example about how to process the face data using mne\_python. Please see the link, [https://martinos.org/mne/stable/auto\_examples/datasets/plot\_spm\_faces\_dataset.html](https://martinos.org/mne/stable/auto_examples/datasets/plot_spm_faces_dataset.html) for your reference. I do not try it. Junpeng Zhang 2014-05-17 junpeng.zhang ???Alan \ ???2014-05-17 06:55 ???[Mne\_analysis] No BEM surfaces found ???"mne\_analysis at nmr.mgh.harvard.edu"\ ??? Hello, I?m trying to run mne\_do\_forward\_model on the SPM dataset. I get the following error aleggitt at cerebrum:~$ mne\_do\_forward\_solution --meas /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif --mri /data/users/alanData/SPM-face/subjects/SPM/mri/T1-neuromag/sets/COR.fif --bem /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem.fif mne\_forward\_solution version 2.9 compiled at Jan 6 2011 02:25:30 Source space : /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-7-src.fif MRI -\> head transform source : /data/users/alanData/SPM-face/subjects/SPM/mri/T1-neuromag/sets/COR.fif Measurement data : /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif BEM model : /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem.fif Accurate field computations Do computations in head coordinates. Free source orientations Destination for the solution : /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D-7-fwd.fif Reading /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-7-src.fif... Read 2 source spaces a total of 6382 active source locations Coordinate transformation: MRI (surface RAS) -\> head      1.000000 0.000000 0.000000 -0.00 mm      0.000000 1.000000 0.000000 -0.00 mm      0.000000 0.000000 1.000000 -0.00 mm      0.000000 0.000000 0.000000 1.00 Read 274 MEG channels from /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Read 29 MEG compensation channels from /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Coordinate transformation: MEG device -\> head      0.997940 -0.049681 -0.040594 -1.35 mm      0.054745 0.989330 0.135013 -0.41 mm      0.033453 -0.136957 0.990012 65.80 mm      0.000000 0.000000 0.000000 1.00 57 coil definitions read 5 compensation data sets in /data/users/alanData/SPM-face/MEG/SPM\_CTF\_MEG\_example\_faces1\_3D.fif Head coordinate coil definitions created. Source spaces are now in head coordinates. Setting up the BEM model using /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem-sol.fif... Loading surfaces... No BEM surfaces found in /data/users/alanData/SPM-face/subjects/SPM/bem/SPM-20480-20480-20480-bem-sol.fif Forward computation failed (see above) Prior to running this, I?ve successfully run the following commands mne\_setup\_mri mne\_watershed\_bem mne\_setup\_foward\_model --surf mne\_setup\_source\_space Am I missing a step or do I need to modify my options for mne\_do\_forward\_model? Thanks, Alan -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20140517/6ae9f3d0/attachment.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20140517/6ae9f3d0/attachment.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [May 18, 2014, 8:07am UTC](https://mne.discourse.group/t/no-bem-surfaces-found/728/3 "2014-05-18T08:07:20Z")
hi, and the shell script used for the anatomical pipeline is there: [https://github.com/mne-tools/mne-scripts/tree/master/spm\_face](https://github.com/mne-tools/mne-scripts/tree/master/spm_face) HTH, Alex