[Mne_analysis] problem about plotting raw date

[Alexandre Gramfort]

        External Email - Use Caution        

hi,

can you ask your question at https://secure-web.cisco.com/1tGdhYrI-CAeNcXk2uF2Bs6H1fG_ErhhYV2b54IwY83WDMzoS-4JIzA2mBdjXOiYsXAkggAg0gX2Lq-eTWj8EN3-ZjE3KYAHMmNrvmoCoKG_m1cs9DiY8kiiIfl09p6hajoP-fk2GQf1Cs-C1rxK9LuPcpF-06jpyUq-l1sax3m_XEoyv67LKjjf-Wr6AGeyjdIQ4n2dxCUumtY4p3ujVjkJzNHx4Czw7e1g5wyDqUJ8VVNEkGIT9qMVgcXo5iWsD5QWEY4IFEmEDTgyk6uL1Og/https%3A%2F%2Fmne.discourse.group%2F

can share the file and a full script to replicate the issue?

thanks
Alex


On Sun, Feb 7, 2021 at 4:47 PM 谭 淦升 <aegean0045 at outlook.com> wrote:

>         External Email - Use Caution
>
> Dear MNE community,
>
>
>
> I would like to plot de rawEEGLAB data (<RawEEGLAB  |  iVC_s01.set, n_channels x n_times : 32 x 105219 (210.4 sec), ~25.8 MB, data loaded> using raw_eeg.plot(). Then I get this: *ValueError*: The number of FixedLocator locations (20), usually from a call to set_ticks, does not match the number of ticklabels (1).
>
>
>
> The complete error message is:
>
> *---> 72* raw_eeg*.*plot*()*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\mne\io\base.py* in plot*(self, events, duration, start, n_channels, bgcolor, color, bad_color, event_color, scalings, remove_dc, order, show_options, title, show, block, highpass, lowpass, filtorder, clipping, show_first_samp, proj, group_by, butterfly, decim, noise_cov, event_id, show_scrollbars, verbose)*
>
>    1566                         group_by*,* butterfly*,* decim*,* noise_cov*=*noise_cov*,*
>
>    1567                         event_id*=*event_id*,* show_scrollbars*=*show_scrollbars*,*
>
> *-> 1568**                         verbose=verbose)*
>
>    1569
>
>    1570     *@*verbose
>
>
>
> *<C:\Users\aegea\Anaconda3\envs\p3.7\lib\site-packages\mne\externals\decorator.py:decorator-gen-132>* in plot_raw*(raw, events, duration, start, n_channels, bgcolor, color, bad_color, event_color, scalings, remove_dc, order, show_options, title, show, block, highpass, lowpass, filtorder, clipping, show_first_samp, proj, group_by, butterfly, decim, noise_cov, event_id, show_scrollbars, verbose)*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\mne\utils\_logging.py* in wrapper*(*args, **kwargs)*
>
>      88             *with* use_log_level*(*verbose_level*):*
>
>      89                 *return* function*(**args*,* ****kwargs*)*
>
> *---> 90*         *return* function*(**args*,* ****kwargs*)*
>
>      91     return FunctionMaker.create(
>
>      92         function*,* *'return decfunc(%(signature)s)'**,*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\mne\viz\raw.py* in plot_raw*(raw, events, duration, start, n_channels, bgcolor, color, bad_color, event_color, scalings, remove_dc, order, show_options, title, show, block, highpass, lowpass, filtorder, clipping, show_first_samp, proj, group_by, butterfly, decim, noise_cov, event_id, show_scrollbars, verbose)*
>
>     409
>
>     410     _prepare_mne_browse_raw(params, title, bgcolor, color, bad_color, inds,
>
> *--> 411**                             n_channels)*
>
>     412
>
>     413     *# plot event_line first so it's in the back*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\mne\viz\raw.py* in _prepare_mne_browse_raw*(params, title, bgcolor, color, bad_color, inds, n_channels)*
>
>     717     params['lines'] = [ax.plot([np.nan], antialiased=True, linewidth=0.5)[0]
>
>     718                        for _ in range(n_ch)]
>
> *--> 719*     ax*.*set_yticklabels*([**'X'* *** max*([*len*(*ch*)* *for* ch *in* info*[**'ch_names'**]])])*
>
>     720     params*[**'fig_annotation'**]* *=* *None*
>
>     721     params*[**'fig_help'**]* *=* *None*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\matplotlib\axes\_base.py* in wrapper*(self, *args, **kwargs)*
>
>      61
>
>      62         *def* wrapper*(*self*,* ***args*,* ****kwargs*):*
>
> *---> 63*             *return* get_method*(*self*)(**args*,* ****kwargs*)*
>
>      64
>
>      65         wrapper*.*__module__ *=* owner*.*__module__
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\matplotlib\cbook\deprecation.py* in wrapper*(*args, **kwargs)*
>
>     449                 *"parameter will become keyword-only %(removal)s."**,*
>
>     450                 name=name, obj_type=f"parameter of {func.__name__}()")
>
> *--> 451*         *return* func*(**args*,* ****kwargs*)*
>
>     452
>
>     453     *return* wrapper
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\matplotlib\axis.py* in _set_ticklabels*(self, labels, fontdict, minor, **kwargs)*
>
>    1791         *if* fontdict *is* *not* *None**:*
>
>    1792             kwargs*.*update*(*fontdict*)*
>
> *-> 1793*         *return* self*.*set_ticklabels*(*labels*,* minor*=*minor*,* ****kwargs*)*
>
>    1794
>
>    1795     *@*cbook*.*_make_keyword_only*(**"3.2"**,* *"minor"**)*
>
>
>
> *~\Anaconda3\envs\p3.7\lib\site-packages\matplotlib\axis.py* in set_ticklabels*(self, ticklabels, minor, **kwargs)*
>
>    1713             *if* len*(*locator*.*locs*)* *!=* len*(*ticklabels*)* *and* len*(*ticklabels*)* *!=* *0**:*
>
>    1714                 raise ValueError(
>
> *-> 1715*                     *"The number of FixedLocator locations"*
>
>    1716                     *f" ({len(locator.locs)}), usually from a call to"*
>
>    1717                     *" set_ticks, does not match"*
>
>
>
> *ValueError*: The number of FixedLocator locations (20), usually from a call to set_ticks, does not match the number of ticklabels (1).
>
>
>
> I am not sure where is the problem. Plotting raw data in another computer
> works just fine. Could you help me with this?
>
>
>
> Thanks,
>
> Gansheng
>
>
>
>
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