[Mne_analysis] mne.viz.plot_source_estimates generates a blank window

Tue Apr 26 13:54:56 EDT 2016

Is this on Windows? That looks like a Unix directory structure to me.

In any case, it looks like a bug with Anaconda to me. It will probably be
tough to debug. If you can make an mne-python issue, we can try to isolate
it to some minimal example that only uses Mayavi. Then the Anaconda folks
can fix it hopefully.

In the meantime, do you know if your packages are up to date? You can
normally do e.g. `conda update mayavi` but it looks like you're on a site
install, so you'll have to ask your IT folks (and maybe see if they can
replicate it, too).

Eric

On Tue, Apr 26, 2016 at 1:35 PM, Denis-Alexander Engemann <
denis.engemann at gmail.com> wrote:

> Oh, this does not look nice. Does anybody have experience with Mayavi on
> Windows? Eric?
>
>
> On Tue, Apr 26, 2016 at 7:30 PM Gladia Hotan <gladiach at gmail.com> wrote:
>
>> Hi, I ran mne.viz.plot_source_estimates(stc,subject=<subject_name>,...)
>> but I got a blank window and this error:
>>
>> (<unknown>:39799): Gtk-WARNING **: gtk_disable_setlocale() must be called
>> before gtk_init()
>> Traceback (most recent call last):
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/IPython/core/interactiveshell.py",
>> line 3035, in run_code
>>     exec(code_obj, self.user_global_ns, self.user_ns)
>>   File "<ipython-input-1-16aa827441a7>", line 1, in <module>
>>
>> mne.viz.plot_source_estimates(stc,subject='eeganes03',surface='inflated',hemi='lh',colormap='auto',time_label='time=%0.2fms',smoothing_steps=10,transparent=None,alpha=1.0,time_viewer=False,config_opts=None,subjects_dir=None,figure=None,views='lat',colorbar=True,clim='auto')
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mne/viz/_3d.py",
>> line 593, in plot_source_estimates
>>     brain = Brain(subject, hemi, surface, **kwargs)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/surfer/viz.py",
>> line 395, in __init__
>>     self._scene_size, offscreen)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/surfer/viz.py",
>> line 212, in _make_viewer
>>     figure = mlab.figure(title, size=(w, h))
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mayavi/tools/figure.py",
>> line 86, in figure
>>     engine.new_scene(name=name, size=size)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/apptools/scripting/recordable.py",
>> line 45, in _wrapper
>>     result = func(*args, **kw)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mayavi/core/engine.py",
>> line 434, in new_scene
>>     viewer = self.scene_factory(**factory_kwargs)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mayavi/core/ui/mayavi_scene.py",
>> line 89, in viewer_factory
>>     viewer.open()
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/pyface/i_window.py",
>> line 145, in open
>>     self._create()
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/pyface/ui/wx/application_window.py",
>> line 151, in _create
>>     contents = self._create_contents(body)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/tools/ivtk.py",
>> line 392, in _create_contents
>>     self.scene = self._scene_factory(parent)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mayavi/core/ui/mayavi_scene.py",
>> line 68, in mayavi_scene_factory
>>     s = MayaviScene(parent, stereo=p['stereo'])
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/wx/decorated_scene.py",
>> line 69, in __init__
>>     super(DecoratedScene, self).__init__(parent, **traits)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/wx/scene.py",
>> line 302, in __init__
>>     super(Scene, self).__init__(parent, **traits)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/tvtk_scene.py",
>> line 201, in __init__
>>     self.control = self._create_control(parent)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/wx/decorated_scene.py",
>> line 103, in _create_control
>>     self._panel)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/wx/scene.py",
>> line 575, in _create_control
>>     stereo=self.stereo)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/tvtk/pyface/ui/wx/wxVTKRenderWindowInteractor.py",
>> line 186, in __init__
>>     attribList=attribList)
>>   File
>> "/usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/wx-3.0-gtk2/wx/glcanvas.py",
>> line 106, in __init__
>>     _glcanvas.GLCanvas_swiginit(self,_glcanvas.new_GLCanvas(*args,
>> **kwargs))
>> TypeError: Argument given by name ('attribList') and position (3)
>>
>> I get the same error whether or not I set the 'SUBJECT' environment
>> variable (using os.environ['SUBJECT']=<subject_name>. Could anyone tell me
>> how to get around this?
>>
>> Best,
>> Gladia
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