Hello,

I am new to sfepy and as I was going over the examples I had issues running postproc.py and the error is posted below

[arthur@arthurpc sfepy]$ ./postproc.py cylinder.vtk 

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window
sfepy: point scalars t at [-0.05 -0.02  0.  ]
sfepy: range: -2.00e+00 2.00e+00 l2 norm range: 1.06e-02 2.00e+00
No handlers could be found for logger "mayavi.core.common"

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window

(postproc.py:3360): Gdk-WARNING **: gdkdrawable-x11.c:952 drawable is not a pixmap or window
Exception occurred in traits notification handler.
Please check the log file for details.
Exception occurred in traits notification handler for object: <mayavi.tools.mlab_scene_model.MlabSceneModel object at 0x7effbfbdb3b0>, trait: activated, old value: <undefined>, new value: True
Traceback (most recent call last):
  File "/home/arthur/anaconda/lib/python2.7/site-packages/traits/trait_notifiers.py", line 520, in _dispatch_change_event
    self.dispatch( handler, *args )
  File "/home/arthur/anaconda/lib/python2.7/site-packages/traits/trait_notifiers.py", line 483, in dispatch
    handler( *args )
  File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 1217, in _post_init
    viewer.render_scene(self.scene, viewer.options)
  File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 687, in render_scene
    self.build_mlab_pipeline(**options)
  File "/home/arthur/sfepy/sfepy/postprocess/viewer.py", line 527, in build_mlab_pipeline
    active = mlab.pipeline.set_active_attribute(source)
  File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 38, in the_function
    factory = factory_class(*args, **kwargs)
  File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 163, in __init__
    self.set(**traits)
  File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 180, in set
    self._anytrait_changed(trait, value)
  File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/tools/pipe_base.py", line 198, in _anytrait_changed
    setattr(obj, components[-1], value)
  File "/home/arthur/anaconda/lib/python2.7/site-packages/mayavi/core/trait_defs.py", line 101, in set_value
    value )
TraitError: The 'point_vectors_name' trait of a SetActiveAttribute instance must be one of [], but a value of '' <type 'str'> was specified.
./src/common/module.cpp(194): assert "module->m_state == State_Initialized" failed in DoCleanUpModules(): not initialized module being cleaned up

Any ideas on how I can get it working?

Appreciate your help,

Arthur.