[Mne_analysis] plot_read_foward.py and plot_make_forward.py error

[junpeng.zhang]

Hi Alex, 

Thank you for your quick response. 
I will try your suggetions. 

May I ask you 
what is the matter with my first question: 
" ImportError: No module named surfer ". 
When I run the example code plot_read_forward.py, 
such error raised. 

Best wishes, 
Junpeng 


2014-10-30



junpeng.zhang



发件人：Alexandre Gramfort <alexandre.gramfort at telecom-paristech.fr>
发送时间：2014-10-30 14:54
主题：Re: [Mne_analysis] plot_read_foward.py and plot_make_forward.py error
收件人："Discussion and support forum for the users of MNE Software"<mne_analysis at nmr.mgh.harvard.edu>
抄送：

hi Junpeng, 

I assume you work on a windows machine. To allow parallel computing 
you need to start the functions using "if __name__ == '__main__'". 

Your script should look something like this: 

if __name__ == '__main__': 
    import mne 
    mne. ... 


HTH 
Alex 

On Thu, Oct 30, 2014 at 3:17 AM, junpeng.zhang <junpeng.zhang at gmail.com> wrote: 
> Hi MNERs, 
> When I run the code, plot_read_forward.py, 
> fig1 fig2 can be plotted correctly. However,  an error raised, 
> ************************************************************************************* 
> /root/Enthought/Canopy_32bit/User/lib/python2.7/site-packages/mne-0.8.6-py2.7.egg/mne/viz/_3d.pyc 
> in plot_source_estimates(stc, subject, surface, hemi, colormap, time_label, 
> smoothing_steps, fmin, fmid, fmax, transparent, alpha, time_viewer, 
> config_opts, subjects_dir, figure, views, colorbar) 
>     401         A instance of surfer.viz.Brain from PySurfer. 
>     402     """ 
> --> 403     import surfer 
>     404     from surfer import Brain, TimeViewer 
>     405 
> 
> ImportError: No module named surfer 
> ********************************************************************************* 
> 
> Ｑ2. When I run plot_make_forward.py, 
> the error as, 
> ************************************************************************************** 
> /root/Enthought/Canopy_32bit/User/lib/python2.7/site-packages/sklearn/externals/joblib/parallel.pyc 
> in __call__(self, iterable) 
>     475                 already_forked = 
> int(os.environ.get('__JOBLIB_SPAWNED_PARALLEL__', 0)) 
>     476                 if already_forked: 
> --> 477                     raise ImportError('[joblib] Attempting to do 
> parallel computing' 
>     478                             'without protecting your import on a 
> system that does ' 
>     479                             'not support forking. To use 
> parallel-computing in a ' 
> 
> ImportError: [joblib] Attempting to do parallel computingwithout protecting 
> your import on a system that does not support forking. To use 
> parallel-computing in a script, you must protect you main loop using "if 
> __name__ == '__main__'". Please see the joblib documentation on Parallel for 
> more information 
> 
> **********************************************************************************8*** 
> Sorry for sending such simple questions, and any responses are appreciated. 
> 
> Best regards, 
> Junpeng 
> 
> 
> 
> 
> 
> 
> 
> 
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